diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md new file mode 100644 index 00000000..9d49aa41 --- /dev/null +++ b/.github/ISSUE_TEMPLATE.md @@ -0,0 +1,13 @@ +- With issues: + - Use the search tool before opening a new issue. + - Please provide source code and commit sha if you found a bug. + - Review existing issues and provide feedback or react to them. + +- go version: +- gin version (or commit ref): +- operating system: + +## Description + +## Screenshots + diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md new file mode 100644 index 00000000..8630bc35 --- /dev/null +++ b/.github/PULL_REQUEST_TEMPLATE.md @@ -0,0 +1,7 @@ +- With pull requests: + - Open your pull request against `master` + - Your pull request should have no more than two commits, if not you should squash them. + - It should pass all tests in the available continuous integrations systems such as TravisCI. + - You should add/modify tests to cover your proposed code changes. + - If your pull request contains a new feature, please document it on the README. + diff --git a/.gitignore b/.gitignore index 14dc8f20..bdd50c95 100644 --- a/.gitignore +++ b/.gitignore @@ -3,3 +3,5 @@ vendor/* coverage.out count.out test +profile.out +tmp.out diff --git a/.travis.yml b/.travis.yml index e9101568..2eeb0b3d 100644 --- a/.travis.yml +++ b/.travis.yml @@ -6,13 +6,25 @@ go: - 1.8.x - 1.9.x - 1.10.x + - 1.11.x - master +matrix: + fast_finish: true + include: + - go: 1.11.x + env: GO111MODULE=on + git: depth: 10 +before_install: + - if [[ "${GO111MODULE}" = "on" ]]; then mkdir "${HOME}/go"; export GOPATH="${HOME}/go"; fi + install: - - make install + - if [[ "${GO111MODULE}" = "on" ]]; then go mod download; else make install; fi + - if [[ "${GO111MODULE}" = "on" ]]; then export PATH="${GOPATH}/bin:${GOROOT}/bin:${PATH}"; fi + - if [[ "${GO111MODULE}" = "on" ]]; then make tools; fi go_import_path: github.com/gin-gonic/gin diff --git a/AUTHORS.md b/AUTHORS.md index 7ab7213d..dda19bcf 100644 --- a/AUTHORS.md +++ b/AUTHORS.md @@ -1,8 +1,12 @@ List of all the awesome people working to make Gin the best Web Framework in Go. +## gin 1.x series authors + +**Gin Core Team:** Bo-Yi Wu (@appleboy), 田欧 (@thinkerou), Javier Provecho (@javierprovecho) + ## gin 0.x series authors -**Maintainer:** Manu Martinez-Almeida (@manucorporat), Javier Provecho (@javierprovecho) +**Maintainers:** Manu Martinez-Almeida (@manucorporat), Javier Provecho (@javierprovecho) People and companies, who have contributed, in alphabetical order. diff --git a/CHANGELOG.md b/CHANGELOG.md index ee485ec3..e6a108ca 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,6 +1,28 @@ # CHANGELOG -### Gin 1.2 +### Gin 1.3.0 + +- [NEW] Add [`func (*Context) QueryMap`](https://godoc.org/github.com/gin-gonic/gin#Context.QueryMap), [`func (*Context) GetQueryMap`](https://godoc.org/github.com/gin-gonic/gin#Context.GetQueryMap), [`func (*Context) PostFormMap`](https://godoc.org/github.com/gin-gonic/gin#Context.PostFormMap) and [`func (*Context) GetPostFormMap`](https://godoc.org/github.com/gin-gonic/gin#Context.GetPostFormMap) to support `type map[string]string` as query string or form parameters, see [#1383](https://github.com/gin-gonic/gin/pull/1383) +- [NEW] Add [`func (*Context) AsciiJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.AsciiJSON), see [#1358](https://github.com/gin-gonic/gin/pull/1358) +- [NEW] Add `Pusher()` in [`type ResponseWriter`](https://godoc.org/github.com/gin-gonic/gin#ResponseWriter) for supporting http2 push, see [#1273](https://github.com/gin-gonic/gin/pull/1273) +- [NEW] Add [`func (*Context) DataFromReader`](https://godoc.org/github.com/gin-gonic/gin#Context.DataFromReader) for serving dynamic data, see [#1304](https://github.com/gin-gonic/gin/pull/1304) +- [NEW] Add [`func (*Context) ShouldBindBodyWith`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindBodyWith) allowing to call binding multiple times, see [#1341](https://github.com/gin-gonic/gin/pull/1341) +- [NEW] Support pointers in form binding, see [#1336](https://github.com/gin-gonic/gin/pull/1336) +- [NEW] Add [`func (*Context) JSONP`](https://godoc.org/github.com/gin-gonic/gin#Context.JSONP), see [#1333](https://github.com/gin-gonic/gin/pull/1333) +- [NEW] Support default value in form binding, see [#1138](https://github.com/gin-gonic/gin/pull/1138) +- [NEW] Expose validator engine in [`type StructValidator`](https://godoc.org/github.com/gin-gonic/gin/binding#StructValidator), see [#1277](https://github.com/gin-gonic/gin/pull/1277) +- [NEW] Add [`func (*Context) ShouldBind`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBind), [`func (*Context) ShouldBindQuery`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindQuery) and [`func (*Context) ShouldBindJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindJSON), see [#1047](https://github.com/gin-gonic/gin/pull/1047) +- [NEW] Add support for `time.Time` location in form binding, see [#1117](https://github.com/gin-gonic/gin/pull/1117) +- [NEW] Add [`func (*Context) BindQuery`](https://godoc.org/github.com/gin-gonic/gin#Context.BindQuery), see [#1029](https://github.com/gin-gonic/gin/pull/1029) +- [NEW] Make [jsonite](https://github.com/json-iterator/go) optional with build tags, see [#1026](https://github.com/gin-gonic/gin/pull/1026) +- [NEW] Show query string in logger, see [#999](https://github.com/gin-gonic/gin/pull/999) +- [NEW] Add [`func (*Context) SecureJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.SecureJSON), see [#987](https://github.com/gin-gonic/gin/pull/987) and [#993](https://github.com/gin-gonic/gin/pull/993) +- [DEPRECATE] `func (*Context) GetCookie` for [`func (*Context) Cookie`](https://godoc.org/github.com/gin-gonic/gin#Context.Cookie) +- [FIX] Don't display color tags if [`func DisableConsoleColor`](https://godoc.org/github.com/gin-gonic/gin#DisableConsoleColor) called, see [#1072](https://github.com/gin-gonic/gin/pull/1072) +- [FIX] Gin Mode `""` when calling [`func Mode`](https://godoc.org/github.com/gin-gonic/gin#Mode) now returns `const DebugMode`, see [#1250](https://github.com/gin-gonic/gin/pull/1250) +- [FIX] `Flush()` now doesn't overwrite `responseWriter` status code, see [#1460](https://github.com/gin-gonic/gin/pull/1460) + +### Gin 1.2.0 - [NEW] Switch from godeps to govendor - [NEW] Add support for Let's Encrypt via gin-gonic/autotls diff --git a/Makefile b/Makefile index 51b9969f..7211144a 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,9 @@ +GO ?= go GOFMT ?= gofmt "-s" -PACKAGES ?= $(shell go list ./... | grep -v /vendor/) -VETPACKAGES ?= $(shell go list ./... | grep -v /vendor/ | grep -v /examples/) +PACKAGES ?= $(shell $(GO) list ./... | grep -v /vendor/) +VETPACKAGES ?= $(shell $(GO) list ./... | grep -v /vendor/ | grep -v /examples/) GOFILES := $(shell find . -name "*.go" -type f -not -path "./vendor/*") +TESTFOLDER := $(shell $(GO) list ./... | grep -E 'gin$$|binding$$|render$$' | grep -v examples) all: install @@ -10,7 +12,22 @@ install: deps .PHONY: test test: - sh coverage.sh + echo "mode: count" > coverage.out + for d in $(TESTFOLDER); do \ + $(GO) test -v -covermode=count -coverprofile=profile.out $$d > tmp.out; \ + cat tmp.out; \ + if grep -q "^--- FAIL" tmp.out; then \ + rm tmp.out; \ + exit 1; \ + elif grep -q "build failed" tmp.out; then \ + rm tmp.out; \ + exit; \ + fi; \ + if [ -f profile.out ]; then \ + cat profile.out | grep -v "mode:" >> coverage.out; \ + rm profile.out; \ + fi; \ + done .PHONY: fmt fmt: @@ -18,7 +35,6 @@ fmt: .PHONY: fmt-check fmt-check: - # get all go files and run go fmt on them @diff=$$($(GOFMT) -d $(GOFILES)); \ if [ -n "$$diff" ]; then \ echo "Please run 'make fmt' and commit the result:"; \ @@ -27,14 +43,14 @@ fmt-check: fi; vet: - go vet $(VETPACKAGES) + $(GO) vet $(VETPACKAGES) deps: @hash govendor > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ - go get -u github.com/kardianos/govendor; \ + $(GO) get -u github.com/kardianos/govendor; \ fi @hash embedmd > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ - go get -u github.com/campoy/embedmd; \ + $(GO) get -u github.com/campoy/embedmd; \ fi embedmd: @@ -43,20 +59,26 @@ embedmd: .PHONY: lint lint: @hash golint > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ - go get -u github.com/golang/lint/golint; \ + $(GO) get -u golang.org/x/lint/golint; \ fi for PKG in $(PACKAGES); do golint -set_exit_status $$PKG || exit 1; done; .PHONY: misspell-check misspell-check: @hash misspell > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ - go get -u github.com/client9/misspell/cmd/misspell; \ + $(GO) get -u github.com/client9/misspell/cmd/misspell; \ fi misspell -error $(GOFILES) .PHONY: misspell misspell: @hash misspell > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ - go get -u github.com/client9/misspell/cmd/misspell; \ + $(GO) get -u github.com/client9/misspell/cmd/misspell; \ fi misspell -w $(GOFILES) + +.PHONY: tools +tools: + go install golang.org/x/lint/golint; \ + go install github.com/client9/misspell/cmd/misspell; \ + go install github.com/campoy/embedmd; diff --git a/README.md b/README.md index c2917a5f..90f6e1d1 100644 --- a/README.md +++ b/README.md @@ -3,11 +3,13 @@ [![Build Status](https://travis-ci.org/gin-gonic/gin.svg)](https://travis-ci.org/gin-gonic/gin) - [![codecov](https://codecov.io/gh/gin-gonic/gin/branch/master/graph/badge.svg)](https://codecov.io/gh/gin-gonic/gin) - [![Go Report Card](https://goreportcard.com/badge/github.com/gin-gonic/gin)](https://goreportcard.com/report/github.com/gin-gonic/gin) - [![GoDoc](https://godoc.org/github.com/gin-gonic/gin?status.svg)](https://godoc.org/github.com/gin-gonic/gin) - [![Join the chat at https://gitter.im/gin-gonic/gin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/gin-gonic/gin?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) +[![codecov](https://codecov.io/gh/gin-gonic/gin/branch/master/graph/badge.svg)](https://codecov.io/gh/gin-gonic/gin) +[![Go Report Card](https://goreportcard.com/badge/github.com/gin-gonic/gin)](https://goreportcard.com/report/github.com/gin-gonic/gin) +[![GoDoc](https://godoc.org/github.com/gin-gonic/gin?status.svg)](https://godoc.org/github.com/gin-gonic/gin) +[![Join the chat at https://gitter.im/gin-gonic/gin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/gin-gonic/gin?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) +[![Sourcegraph](https://sourcegraph.com/github.com/gin-gonic/gin/-/badge.svg)](https://sourcegraph.com/github.com/gin-gonic/gin?badge) [![Open Source Helpers](https://www.codetriage.com/gin-gonic/gin/badges/users.svg)](https://www.codetriage.com/gin-gonic/gin) +[![Release](https://img.shields.io/github/release/gin-gonic/gin.svg?style=flat-square)](https://github.com/gin-gonic/gin/releases) Gin is a web framework written in Go (Golang). It features a martini-like API with much better performance, up to 40 times faster thanks to [httprouter](https://github.com/julienschmidt/httprouter). If you need performance and good productivity, you will love Gin. @@ -15,10 +17,11 @@ Gin is a web framework written in Go (Golang). It features a martini-like API wi ## Contents +- [Installation](#installation) +- [Prerequisite](#prerequisite) - [Quick start](#quick-start) - [Benchmarks](#benchmarks) - [Gin v1.stable](#gin-v1-stable) -- [Start using it](#start-using-it) - [Build with jsoniter](#build-with-jsoniter) - [API Examples](#api-examples) - [Using GET,POST,PUT,PATCH,DELETE and OPTIONS](#using-get-post-put-patch-delete-and-options) @@ -26,18 +29,21 @@ Gin is a web framework written in Go (Golang). It features a martini-like API wi - [Querystring parameters](#querystring-parameters) - [Multipart/Urlencoded Form](#multiparturlencoded-form) - [Another example: query + post form](#another-example-query--post-form) + - [Map as querystring or postform parameters](#map-as-querystring-or-postform-parameters) - [Upload files](#upload-files) - [Grouping routes](#grouping-routes) - [Blank Gin without middleware by default](#blank-gin-without-middleware-by-default) - [Using middleware](#using-middleware) - [How to write log file](#how-to-write-log-file) + - [Custom Log Format](#custom-log-format) - [Model binding and validation](#model-binding-and-validation) - [Custom Validators](#custom-validators) - [Only Bind Query String](#only-bind-query-string) - [Bind Query String or Post Data](#bind-query-string-or-post-data) + - [Bind Uri](#bind-uri) - [Bind HTML checkboxes](#bind-html-checkboxes) - [Multipart/Urlencoded binding](#multiparturlencoded-binding) - - [XML, JSON and YAML rendering](#xml-json-and-yaml-rendering) + - [XML, JSON, YAML and ProtoBuf rendering](#xml-json-yaml-and-protobuf-rendering) - [JSONP rendering](#jsonp) - [Serving static files](#serving-static-files) - [Serving data from reader](#serving-data-from-reader) @@ -55,8 +61,68 @@ Gin is a web framework written in Go (Golang). It features a martini-like API wi - [Bind form-data request with custom struct](#bind-form-data-request-with-custom-struct) - [Try to bind body into different structs](#try-to-bind-body-into-different-structs) - [http2 server push](#http2-server-push) + - [Define format for the log of routes](#define-format-for-the-log-of-routes) + - [Set and get a cookie](#set-and-get-a-cookie) - [Testing](#testing) -- [Users](#users--) +- [Users](#users) + +## Installation + +To install Gin package, you need to install Go and set your Go workspace first. + +1. Download and install it: + +```sh +$ go get -u github.com/gin-gonic/gin +``` + +2. Import it in your code: + +```go +import "github.com/gin-gonic/gin" +``` + +3. (Optional) Import `net/http`. This is required for example if using constants such as `http.StatusOK`. + +```go +import "net/http" +``` + +### Use a vendor tool like [Govendor](https://github.com/kardianos/govendor) + +1. `go get` govendor + +```sh +$ go get github.com/kardianos/govendor +``` +2. Create your project folder and `cd` inside + +```sh +$ mkdir -p $GOPATH/src/github.com/myusername/project && cd "$_" +``` + +3. Vendor init your project and add gin + +```sh +$ govendor init +$ govendor fetch github.com/gin-gonic/gin@v1.3 +``` + +4. Copy a starting template inside your project + +```sh +$ curl https://raw.githubusercontent.com/gin-gonic/gin/master/examples/basic/main.go > main.go +``` + +5. Run your project + +```sh +$ go run main.go +``` + +## Prerequisite + +Now Gin requires Go 1.6 or later and Go 1.7 will be required soon. ## Quick start @@ -135,61 +201,9 @@ BenchmarkVulcan_GithubAll | 5000 | 394253 | 19894 - [x] Battle tested - [x] API frozen, new releases will not break your code. -## Start using it - -1. Download and install it: - -```sh -$ go get github.com/gin-gonic/gin -``` - -2. Import it in your code: - -```go -import "github.com/gin-gonic/gin" -``` - -3. (Optional) Import `net/http`. This is required for example if using constants such as `http.StatusOK`. - -```go -import "net/http" -``` - -### Use a vendor tool like [Govendor](https://github.com/kardianos/govendor) - -1. `go get` govendor - -```sh -$ go get github.com/kardianos/govendor -``` -2. Create your project folder and `cd` inside - -```sh -$ mkdir -p $GOPATH/src/github.com/myusername/project && cd "$_" -``` - -3. Vendor init your project and add gin - -```sh -$ govendor init -$ govendor fetch github.com/gin-gonic/gin@v1.2 -``` - -4. Copy a starting template inside your project - -```sh -$ curl https://raw.githubusercontent.com/gin-gonic/gin/master/examples/basic/main.go > main.go -``` - -5. Run your project - -```sh -$ go run main.go -``` - ## Build with [jsoniter](https://github.com/json-iterator/go) -Gin use `encoding/json` as default json package but you can change to [jsoniter](https://github.com/json-iterator/go) by build from other tags. +Gin uses `encoding/json` as default json package but you can change to [jsoniter](https://github.com/json-iterator/go) by build from other tags. ```sh $ go build -tags=jsoniter . @@ -229,7 +243,7 @@ func main() { func main() { router := gin.Default() - // This handler will match /user/john but will not match neither /user/ or /user + // This handler will match /user/john but will not match /user/ or /user router.GET("/user/:name", func(c *gin.Context) { name := c.Param("name") c.String(http.StatusOK, "Hello %s", name) @@ -316,12 +330,44 @@ func main() { id: 1234; page: 1; name: manu; message: this_is_great ``` +### Map as querystring or postform parameters + +``` +POST /post?ids[a]=1234&ids[b]=hello HTTP/1.1 +Content-Type: application/x-www-form-urlencoded + +names[first]=thinkerou&names[second]=tianou +``` + +```go +func main() { + router := gin.Default() + + router.POST("/post", func(c *gin.Context) { + + ids := c.QueryMap("ids") + names := c.PostFormMap("names") + + fmt.Printf("ids: %v; names: %v", ids, names) + }) + router.Run(":8080") +} +``` + +``` +ids: map[b:hello a:1234], names: map[second:tianou first:thinkerou] +``` + ### Upload files #### Single file References issue [#774](https://github.com/gin-gonic/gin/issues/774) and detail [example code](examples/upload-file/single). +`file.Filename` **SHOULD NOT** be trusted. See [`Content-Disposition` on MDN](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Disposition#Directives) and [#1693](https://github.com/gin-gonic/gin/issues/1693) + +> The filename is always optional and must not be used blindly by the application: path information should be stripped, and conversion to the server file system rules should be done. + ```go func main() { router := gin.Default() @@ -487,9 +533,46 @@ func main() { } ``` +### Custom Log Format +```go +func main() { + router := gin.New() + + // LoggerWithFormatter middleware will write the logs to gin.DefaultWriter + // By default gin.DefaultWriter = os.Stdout + router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string { + + // your custom format + return fmt.Sprintf("%s - [%s] \"%s %s %s %d %s \"%s\" %s\"\n", + param.ClientIP, + param.TimeStamp.Format(time.RFC1123), + param.Method, + param.Path, + param.Request.Proto, + param.StatusCode, + param.Latency, + param.Request.UserAgent(), + param.ErrorMessage, + ) + })) + router.Use(gin.Recovery()) + + router.GET("/ping", func(c *gin.Context) { + c.String(200, "pong") + }) + + router.Run(":8080") +} +``` + +**Sample Output** +``` +::1 - [Fri, 07 Dec 2018 17:04:38 JST] "GET /ping HTTP/1.1 200 122.767µs "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.80 Safari/537.36" " +``` + ### Model binding and validation -To bind a request body into a type, use model binding. We currently support binding of JSON, XML and standard form values (foo=bar&boo=baz). +To bind a request body into a type, use model binding. We currently support binding of JSON, XML, YAML and standard form values (foo=bar&boo=baz). Gin uses [**go-playground/validator.v8**](https://github.com/go-playground/validator) for validation. Check the full docs on tags usage [here](http://godoc.org/gopkg.in/go-playground/validator.v8#hdr-Baked_In_Validators_and_Tags). @@ -497,10 +580,10 @@ Note that you need to set the corresponding binding tag on all fields you want t Also, Gin provides two sets of methods for binding: - **Type** - Must bind - - **Methods** - `Bind`, `BindJSON`, `BindQuery` + - **Methods** - `Bind`, `BindJSON`, `BindXML`, `BindQuery`, `BindYAML` - **Behavior** - These methods use `MustBindWith` under the hood. If there is a binding error, the request is aborted with `c.AbortWithError(400, err).SetType(ErrorTypeBind)`. This sets the response status code to 400 and the `Content-Type` header is set to `text/plain; charset=utf-8`. Note that if you try to set the response code after this, it will result in a warning `[GIN-debug] [WARNING] Headers were already written. Wanted to override status code 400 with 422`. If you wish to have greater control over the behavior, consider using the `ShouldBind` equivalent method. - **Type** - Should bind - - **Methods** - `ShouldBind`, `ShouldBindJSON`, `ShouldBindQuery` + - **Methods** - `ShouldBind`, `ShouldBindJSON`, `ShouldBindXML`, `ShouldBindQuery`, `ShouldBindYAML` - **Behavior** - These methods use `ShouldBindWith` under the hood. If there is a binding error, the error is returned and it is the developer's responsibility to handle the request and error appropriately. When using the Bind-method, Gin tries to infer the binder depending on the Content-Type header. If you are sure what you are binding, you can use `MustBindWith` or `ShouldBindWith`. @@ -510,8 +593,8 @@ You can also specify that specific fields are required. If a field is decorated ```go // Binding from JSON type Login struct { - User string `form:"user" json:"user" binding:"required"` - Password string `form:"password" json:"password" binding:"required"` + User string `form:"user" json:"user" xml:"user" binding:"required"` + Password string `form:"password" json:"password" xml:"password" binding:"required"` } func main() { @@ -520,30 +603,55 @@ func main() { // Example for binding JSON ({"user": "manu", "password": "123"}) router.POST("/loginJSON", func(c *gin.Context) { var json Login - if err := c.ShouldBindJSON(&json); err == nil { - if json.User == "manu" && json.Password == "123" { - c.JSON(http.StatusOK, gin.H{"status": "you are logged in"}) - } else { - c.JSON(http.StatusUnauthorized, gin.H{"status": "unauthorized"}) - } - } else { + if err := c.ShouldBindJSON(&json); err != nil { c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + return } + + if json.User != "manu" || json.Password != "123" { + c.JSON(http.StatusUnauthorized, gin.H{"status": "unauthorized"}) + return + } + + c.JSON(http.StatusOK, gin.H{"status": "you are logged in"}) + }) + + // Example for binding XML ( + // + // + // user + // 123 + // ) + router.POST("/loginXML", func(c *gin.Context) { + var xml Login + if err := c.ShouldBindXML(&xml); err != nil { + c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + return + } + + if xml.User != "manu" || xml.Password != "123" { + c.JSON(http.StatusUnauthorized, gin.H{"status": "unauthorized"}) + return + } + + c.JSON(http.StatusOK, gin.H{"status": "you are logged in"}) }) // Example for binding a HTML form (user=manu&password=123) router.POST("/loginForm", func(c *gin.Context) { var form Login // This will infer what binder to use depending on the content-type header. - if err := c.ShouldBind(&form); err == nil { - if form.User == "manu" && form.Password == "123" { - c.JSON(http.StatusOK, gin.H{"status": "you are logged in"}) - } else { - c.JSON(http.StatusUnauthorized, gin.H{"status": "unauthorized"}) - } - } else { + if err := c.ShouldBind(&form); err != nil { c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + return } + + if form.User != "manu" || form.Password != "123" { + c.JSON(http.StatusUnauthorized, gin.H{"status": "unauthorized"}) + return + } + + c.JSON(http.StatusOK, gin.H{"status": "you are logged in"}) }) // Listen and serve on 0.0.0.0:8080 @@ -595,6 +703,7 @@ import ( "gopkg.in/go-playground/validator.v8" ) +// Booking contains binded and validated data. type Booking struct { CheckIn time.Time `form:"check_in" binding:"required,bookabledate" time_format:"2006-01-02"` CheckOut time.Time `form:"check_out" binding:"required,gtfield=CheckIn" time_format:"2006-01-02"` @@ -642,7 +751,7 @@ $ curl "localhost:8085/bookable?check_in=2018-03-08&check_out=2018-03-09" {"error":"Key: 'Booking.CheckIn' Error:Field validation for 'CheckIn' failed on the 'bookabledate' tag"} ``` -[Struct level validations](https://github.com/go-playground/validator/releases/tag/v8.7) can also be registed this way. +[Struct level validations](https://github.com/go-playground/validator/releases/tag/v8.7) can also be registered this way. See the [struct-lvl-validation example](examples/struct-lvl-validations) to learn more. ### Only Bind Query String @@ -688,9 +797,12 @@ See the [detail information](https://github.com/gin-gonic/gin/issues/742#issueco ```go package main -import "log" -import "github.com/gin-gonic/gin" -import "time" +import ( + "log" + "time" + + "github.com/gin-gonic/gin" +) type Person struct { Name string `form:"name"` @@ -724,6 +836,40 @@ Test it with: $ curl -X GET "localhost:8085/testing?name=appleboy&address=xyz&birthday=1992-03-15" ``` +### Bind Uri + +See the [detail information](https://github.com/gin-gonic/gin/issues/846). + +```go +package main + +import "github.com/gin-gonic/gin" + +type Person struct { + ID string `uri:"id" binding:"required,uuid"` + Name string `uri:"name" binding:"required"` +} + +func main() { + route := gin.Default() + route.GET("/:name/:id", func(c *gin.Context) { + var person Person + if err := c.ShouldBindUri(&person); err != nil { + c.JSON(400, gin.H{"msg": err}) + return + } + c.JSON(200, gin.H{"name": person.Name, "uuid": person.ID}) + }) + route.Run(":8088") +} +``` + +Test it with: +```sh +$ curl -v localhost:8088/thinkerou/987fbc97-4bed-5078-9f07-9141ba07c9f3 +$ curl -v localhost:8088/thinkerou/not-uuid +``` + ### Bind HTML checkboxes See the [detail information](https://github.com/gin-gonic/gin/issues/129#issuecomment-124260092) @@ -755,12 +901,12 @@ form.html

Check some colors

- + - + - - + +
``` @@ -809,7 +955,7 @@ Test it with: $ curl -v --form user=user --form password=password http://localhost:8080/login ``` -### XML, JSON and YAML rendering +### XML, JSON, YAML and ProtoBuf rendering ```go func main() { @@ -843,6 +989,19 @@ func main() { c.YAML(http.StatusOK, gin.H{"message": "hey", "status": http.StatusOK}) }) + r.GET("/someProtoBuf", func(c *gin.Context) { + reps := []int64{int64(1), int64(2)} + label := "test" + // The specific definition of protobuf is written in the testdata/protoexample file. + data := &protoexample.Test{ + Label: &label, + Reps: reps, + } + // Note that data becomes binary data in the response + // Will output protoexample.Test protobuf serialized data + c.ProtoBuf(http.StatusOK, data) + }) + // Listen and serve on 0.0.0.0:8080 r.Run(":8080") } @@ -893,6 +1052,57 @@ func main() { } ``` +#### AsciiJSON + +Using AsciiJSON to Generates ASCII-only JSON with escaped non-ASCII chracters. + +```go +func main() { + r := gin.Default() + + r.GET("/someJSON", func(c *gin.Context) { + data := map[string]interface{}{ + "lang": "GO语言", + "tag": "
", + } + + // will output : {"lang":"GO\u8bed\u8a00","tag":"\u003cbr\u003e"} + c.AsciiJSON(http.StatusOK, data) + }) + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + +#### PureJSON + +Normally, JSON replaces special HTML characters with their unicode entities, e.g. `<` becomes `\u003c`. If you want to encode such characters literally, you can use PureJSON instead. +This feature is unavailable in Go 1.6 and lower. + +```go +func main() { + r := gin.Default() + + // Serves unicode entities + r.GET("/json", func(c *gin.Context) { + c.JSON(200, gin.H{ + "html": "Hello, world!", + }) + }) + + // Serves literal characters + r.GET("/purejson", func(c *gin.Context) { + c.PureJSON(200, gin.H{ + "html": "Hello, world!", + }) + }) + + // listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + ### Serving static files ```go @@ -1027,7 +1237,7 @@ You may use custom delims ```go r := gin.Default() r.Delims("{[{", "}]}") - r.LoadHTMLGlob("/path/to/templates")) + r.LoadHTMLGlob("/path/to/templates") ``` #### Custom Template Funcs @@ -1057,7 +1267,7 @@ func main() { router.SetFuncMap(template.FuncMap{ "formatAsDate": formatAsDate, }) - router.LoadHTMLFiles("./fixtures/basic/raw.tmpl") + router.LoadHTMLFiles("./testdata/template/raw.tmpl") router.GET("/raw", func(c *gin.Context) { c.HTML(http.StatusOK, "raw.tmpl", map[string]interface{}{ @@ -1423,6 +1633,7 @@ import ( "net/http" "os" "os/signal" + "syscall" "time" "github.com/gin-gonic/gin" @@ -1450,7 +1661,10 @@ func main() { // Wait for interrupt signal to gracefully shutdown the server with // a timeout of 5 seconds. quit := make(chan os.Signal) - signal.Notify(quit, os.Interrupt) + // kill (no param) default send syscanll.SIGTERM + // kill -2 is syscall.SIGINT + // kill -9 is syscall. SIGKILL but can"t be catch, so don't need add it + signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM) <-quit log.Println("Shutdown Server ...") @@ -1459,6 +1673,11 @@ func main() { if err := srv.Shutdown(ctx); err != nil { log.Fatal("Server Shutdown:", err) } + // catching ctx.Done(). timeout of 5 seconds. + select { + case <-ctx.Done(): + log.Println("timeout of 5 seconds.") + } log.Println("Server exiting") } ``` @@ -1589,11 +1808,11 @@ type StructX struct { } type StructY struct { - Y StructX `form:"name_y"` // HERE hava form + Y StructX `form:"name_y"` // HERE have form } type StructZ struct { - Z *StructZ `form:"name_z"` // HERE hava form + Z *StructZ `form:"name_z"` // HERE have form } ``` @@ -1706,6 +1925,78 @@ func main() { } ``` +### Define format for the log of routes + +The default log of routes is: +``` +[GIN-debug] POST /foo --> main.main.func1 (3 handlers) +[GIN-debug] GET /bar --> main.main.func2 (3 handlers) +[GIN-debug] GET /status --> main.main.func3 (3 handlers) +``` + +If you want to log this information in given format (e.g. JSON, key values or something else), then you can define this format with `gin.DebugPrintRouteFunc`. +In the example below, we log all routes with standard log package but you can use another log tools that suits of your needs. +```go +import ( + "log" + "net/http" + + "github.com/gin-gonic/gin" +) + +func main() { + r := gin.Default() + gin.DebugPrintRouteFunc = func(httpMethod, absolutePath, handlerName string, nuHandlers int) { + log.Printf("endpoint %v %v %v %v\n", httpMethod, absolutePath, handlerName, nuHandlers) + } + + r.POST("/foo", func(c *gin.Context) { + c.JSON(http.StatusOK, "foo") + }) + + r.GET("/bar", func(c *gin.Context) { + c.JSON(http.StatusOK, "bar") + }) + + r.GET("/status", func(c *gin.Context) { + c.JSON(http.StatusOK, "ok") + }) + + // Listen and Server in http://0.0.0.0:8080 + r.Run() +} +``` + +### Set and get a cookie + +```go +import ( + "fmt" + + "github.com/gin-gonic/gin" +) + +func main() { + + router := gin.Default() + + router.GET("/cookie", func(c *gin.Context) { + + cookie, err := c.Cookie("gin_cookie") + + if err != nil { + cookie = "NotSet" + c.SetCookie("gin_cookie", "test", 3600, "/", "localhost", false, true) + } + + fmt.Printf("Cookie value: %s \n", cookie) + }) + + router.Run() +} +``` + + ## Testing The `net/http/httptest` package is preferable way for HTTP testing. @@ -1752,9 +2043,13 @@ func TestPingRoute(t *testing.T) { } ``` -## Users [![Sourcegraph](https://sourcegraph.com/github.com/gin-gonic/gin/-/badge.svg)](https://sourcegraph.com/github.com/gin-gonic/gin?badge) +## Users Awesome project lists using [Gin](https://github.com/gin-gonic/gin) web framework. -* [drone](https://github.com/drone/drone): Drone is a Continuous Delivery platform built on Docker, written in Go +* [drone](https://github.com/drone/drone): Drone is a Continuous Delivery platform built on Docker, written in Go. * [gorush](https://github.com/appleboy/gorush): A push notification server written in Go. +* [fnproject](https://github.com/fnproject/fn): The container native, cloud agnostic serverless platform. +* [photoprism](https://github.com/photoprism/photoprism): Personal photo management powered by Go and Google TensorFlow. +* [krakend](https://github.com/devopsfaith/krakend): Ultra performant API Gateway with middlewares. +* [picfit](https://github.com/thoas/picfit): An image resizing server written in Go. diff --git a/auth.go b/auth.go index c2143091..9ed81b5d 100644 --- a/auth.go +++ b/auth.go @@ -7,6 +7,7 @@ package gin import ( "crypto/subtle" "encoding/base64" + "net/http" "strconv" ) @@ -51,7 +52,7 @@ func BasicAuthForRealm(accounts Accounts, realm string) HandlerFunc { if !found { // Credentials doesn't match, we return 401 and abort handlers chain. c.Header("WWW-Authenticate", realm) - c.AbortWithStatus(401) + c.AbortWithStatus(http.StatusUnauthorized) return } diff --git a/auth_test.go b/auth_test.go index dc8523b0..197e9208 100644 --- a/auth_test.go +++ b/auth_test.go @@ -93,7 +93,7 @@ func TestBasicAuthSucceed(t *testing.T) { router := New() router.Use(BasicAuth(accounts)) router.GET("/login", func(c *Context) { - c.String(200, c.MustGet(AuthUserKey).(string)) + c.String(http.StatusOK, c.MustGet(AuthUserKey).(string)) }) w := httptest.NewRecorder() @@ -101,7 +101,7 @@ func TestBasicAuthSucceed(t *testing.T) { req.Header.Set("Authorization", authorizationHeader("admin", "password")) router.ServeHTTP(w, req) - assert.Equal(t, 200, w.Code) + assert.Equal(t, http.StatusOK, w.Code) assert.Equal(t, "admin", w.Body.String()) } @@ -112,7 +112,7 @@ func TestBasicAuth401(t *testing.T) { router.Use(BasicAuth(accounts)) router.GET("/login", func(c *Context) { called = true - c.String(200, c.MustGet(AuthUserKey).(string)) + c.String(http.StatusOK, c.MustGet(AuthUserKey).(string)) }) w := httptest.NewRecorder() @@ -121,8 +121,8 @@ func TestBasicAuth401(t *testing.T) { router.ServeHTTP(w, req) assert.False(t, called) - assert.Equal(t, 401, w.Code) - assert.Equal(t, "Basic realm=\"Authorization Required\"", w.HeaderMap.Get("WWW-Authenticate")) + assert.Equal(t, http.StatusUnauthorized, w.Code) + assert.Equal(t, "Basic realm=\"Authorization Required\"", w.Header().Get("WWW-Authenticate")) } func TestBasicAuth401WithCustomRealm(t *testing.T) { @@ -132,7 +132,7 @@ func TestBasicAuth401WithCustomRealm(t *testing.T) { router.Use(BasicAuthForRealm(accounts, "My Custom \"Realm\"")) router.GET("/login", func(c *Context) { called = true - c.String(200, c.MustGet(AuthUserKey).(string)) + c.String(http.StatusOK, c.MustGet(AuthUserKey).(string)) }) w := httptest.NewRecorder() @@ -141,6 +141,6 @@ func TestBasicAuth401WithCustomRealm(t *testing.T) { router.ServeHTTP(w, req) assert.False(t, called) - assert.Equal(t, 401, w.Code) - assert.Equal(t, "Basic realm=\"My Custom \\\"Realm\\\"\"", w.HeaderMap.Get("WWW-Authenticate")) + assert.Equal(t, http.StatusUnauthorized, w.Code) + assert.Equal(t, "Basic realm=\"My Custom \\\"Realm\\\"\"", w.Header().Get("WWW-Authenticate")) } diff --git a/benchmarks_test.go b/benchmarks_test.go index e7970034..0b3f82df 100644 --- a/benchmarks_test.go +++ b/benchmarks_test.go @@ -54,7 +54,7 @@ func BenchmarkOneRouteJSON(B *testing.B) { Status string `json:"status"` }{"ok"} router.GET("/json", func(c *Context) { - c.JSON(200, data) + c.JSON(http.StatusOK, data) }) runRequest(B, router, "GET", "/json") } @@ -66,7 +66,7 @@ func BenchmarkOneRouteHTML(B *testing.B) { router.SetHTMLTemplate(t) router.GET("/html", func(c *Context) { - c.HTML(200, "index", "hola") + c.HTML(http.StatusOK, "index", "hola") }) runRequest(B, router, "GET", "/html") } @@ -82,7 +82,7 @@ func BenchmarkOneRouteSet(B *testing.B) { func BenchmarkOneRouteString(B *testing.B) { router := New() router.GET("/text", func(c *Context) { - c.String(200, "this is a plain text") + c.String(http.StatusOK, "this is a plain text") }) runRequest(B, router, "GET", "/text") } diff --git a/binding/binding.go b/binding/binding.go index 1a984777..26d71c9f 100644 --- a/binding/binding.go +++ b/binding/binding.go @@ -4,10 +4,9 @@ package binding -import ( - "net/http" -) +import "net/http" +// Content-Type MIME of the most common data formats. const ( MIMEJSON = "application/json" MIMEHTML = "text/html" @@ -19,6 +18,7 @@ const ( MIMEPROTOBUF = "application/x-protobuf" MIMEMSGPACK = "application/x-msgpack" MIMEMSGPACK2 = "application/msgpack" + MIMEYAML = "application/x-yaml" ) // Binding describes the interface which needs to be implemented for binding the @@ -36,9 +36,16 @@ type BindingBody interface { BindBody([]byte, interface{}) error } +// BindingUri adds BindUri method to Binding. BindUri is similar with Bind, +// but it read the Params. +type BindingUri interface { + Name() string + BindUri(map[string][]string, interface{}) error +} + // StructValidator is the minimal interface which needs to be implemented in // order for it to be used as the validator engine for ensuring the correctness -// of the reqest. Gin provides a default implementation for this using +// of the request. Gin provides a default implementation for this using // https://github.com/go-playground/validator/tree/v8.18.2. type StructValidator interface { // ValidateStruct can receive any kind of type and it should never panic, even if the configuration is not right. @@ -69,6 +76,8 @@ var ( FormMultipart = formMultipartBinding{} ProtoBuf = protobufBinding{} MsgPack = msgpackBinding{} + YAML = yamlBinding{} + Uri = uriBinding{} ) // Default returns the appropriate Binding instance based on the HTTP method @@ -87,6 +96,8 @@ func Default(method, contentType string) Binding { return ProtoBuf case MIMEMSGPACK, MIMEMSGPACK2: return MsgPack + case MIMEYAML: + return YAML default: //case MIMEPOSTForm, MIMEMultipartPOSTForm: return Form } diff --git a/binding/binding_body_test.go b/binding/binding_body_test.go index c41d9f86..901d429c 100644 --- a/binding/binding_body_test.go +++ b/binding/binding_body_test.go @@ -5,7 +5,7 @@ import ( "io/ioutil" "testing" - "github.com/gin-gonic/gin/binding/example" + "github.com/gin-gonic/gin/testdata/protoexample" "github.com/golang/protobuf/proto" "github.com/stretchr/testify/assert" "github.com/ugorji/go/codec" @@ -19,12 +19,12 @@ func TestBindingBody(t *testing.T) { want string }{ { - name: "JSON bidning", + name: "JSON binding", binding: JSON, body: `{"foo":"FOO"}`, }, { - name: "XML bidning", + name: "XML binding", binding: XML, body: ` @@ -36,6 +36,11 @@ func TestBindingBody(t *testing.T) { binding: MsgPack, body: msgPackBody(t), }, + { + name: "YAML binding", + binding: YAML, + body: `foo: FOO`, + }, } { t.Logf("testing: %s", tt.name) req := requestWithBody("POST", "/", tt.body) @@ -55,12 +60,12 @@ func msgPackBody(t *testing.T) string { } func TestBindingBodyProto(t *testing.T) { - test := example.Test{ + test := protoexample.Test{ Label: proto.String("FOO"), } data, _ := proto.Marshal(&test) req := requestWithBody("POST", "/", string(data)) - form := example.Test{} + form := protoexample.Test{} body, _ := ioutil.ReadAll(req.Body) assert.NoError(t, ProtoBuf.BindBody(body, &form)) assert.Equal(t, test, form) diff --git a/binding/binding_test.go b/binding/binding_test.go index 936deac7..1044e6c2 100644 --- a/binding/binding_test.go +++ b/binding/binding_test.go @@ -11,10 +11,11 @@ import ( "io/ioutil" "mime/multipart" "net/http" + "strconv" "testing" "time" - "github.com/gin-gonic/gin/binding/example" + "github.com/gin-gonic/gin/testdata/protoexample" "github.com/golang/protobuf/proto" "github.com/stretchr/testify/assert" "github.com/ugorji/go/codec" @@ -190,6 +191,16 @@ func TestBindingDefault(t *testing.T) { assert.Equal(t, MsgPack, Default("POST", MIMEMSGPACK)) assert.Equal(t, MsgPack, Default("PUT", MIMEMSGPACK2)) + + assert.Equal(t, YAML, Default("POST", MIMEYAML)) + assert.Equal(t, YAML, Default("PUT", MIMEYAML)) +} + +func TestBindingJSONNilBody(t *testing.T) { + var obj FooStruct + req, _ := http.NewRequest(http.MethodPost, "/", nil) + err := JSON.Bind(req, &obj) + assert.Error(t, err) } func TestBindingJSON(t *testing.T) { @@ -473,6 +484,20 @@ func TestBindingXMLFail(t *testing.T) { "bar", "foo") } +func TestBindingYAML(t *testing.T) { + testBodyBinding(t, + YAML, "yaml", + "/", "/", + `foo: bar`, `bar: foo`) +} + +func TestBindingYAMLFail(t *testing.T) { + testBodyBindingFail(t, + YAML, "yaml", + "/", "/", + `foo:\nbar`, `bar: foo`) +} + func createFormPostRequest() *http.Request { req, _ := http.NewRequest("POST", "/?foo=getfoo&bar=getbar", bytes.NewBufferString("foo=bar&bar=foo")) req.Header.Set("Content-Type", MIMEPOSTForm) @@ -491,28 +516,28 @@ func createFormPostRequestFail() *http.Request { return req } -func createFormMultipartRequest() *http.Request { +func createFormMultipartRequest(t *testing.T) *http.Request { boundary := "--testboundary" body := new(bytes.Buffer) mw := multipart.NewWriter(body) defer mw.Close() - mw.SetBoundary(boundary) - mw.WriteField("foo", "bar") - mw.WriteField("bar", "foo") + assert.NoError(t, mw.SetBoundary(boundary)) + assert.NoError(t, mw.WriteField("foo", "bar")) + assert.NoError(t, mw.WriteField("bar", "foo")) req, _ := http.NewRequest("POST", "/?foo=getfoo&bar=getbar", body) req.Header.Set("Content-Type", MIMEMultipartPOSTForm+"; boundary="+boundary) return req } -func createFormMultipartRequestFail() *http.Request { +func createFormMultipartRequestFail(t *testing.T) *http.Request { boundary := "--testboundary" body := new(bytes.Buffer) mw := multipart.NewWriter(body) defer mw.Close() - mw.SetBoundary(boundary) - mw.WriteField("map_foo", "bar") + assert.NoError(t, mw.SetBoundary(boundary)) + assert.NoError(t, mw.WriteField("map_foo", "bar")) req, _ := http.NewRequest("POST", "/?map_foo=getfoo", body) req.Header.Set("Content-Type", MIMEMultipartPOSTForm+"; boundary="+boundary) return req @@ -521,7 +546,7 @@ func createFormMultipartRequestFail() *http.Request { func TestBindingFormPost(t *testing.T) { req := createFormPostRequest() var obj FooBarStruct - FormPost.Bind(req, &obj) + assert.NoError(t, FormPost.Bind(req, &obj)) assert.Equal(t, "form-urlencoded", FormPost.Name()) assert.Equal(t, "bar", obj.Foo) @@ -531,7 +556,7 @@ func TestBindingFormPost(t *testing.T) { func TestBindingDefaultValueFormPost(t *testing.T) { req := createDefaultFormPostRequest() var obj FooDefaultBarStruct - FormPost.Bind(req, &obj) + assert.NoError(t, FormPost.Bind(req, &obj)) assert.Equal(t, "bar", obj.Foo) assert.Equal(t, "hello", obj.Bar) @@ -545,9 +570,9 @@ func TestBindingFormPostFail(t *testing.T) { } func TestBindingFormMultipart(t *testing.T) { - req := createFormMultipartRequest() + req := createFormMultipartRequest(t) var obj FooBarStruct - FormMultipart.Bind(req, &obj) + assert.NoError(t, FormMultipart.Bind(req, &obj)) assert.Equal(t, "multipart/form-data", FormMultipart.Name()) assert.Equal(t, "bar", obj.Foo) @@ -555,14 +580,14 @@ func TestBindingFormMultipart(t *testing.T) { } func TestBindingFormMultipartFail(t *testing.T) { - req := createFormMultipartRequestFail() + req := createFormMultipartRequestFail(t) var obj FooStructForMapType err := FormMultipart.Bind(req, &obj) assert.Error(t, err) } func TestBindingProtoBuf(t *testing.T) { - test := &example.Test{ + test := &protoexample.Test{ Label: proto.String("yes"), } data, _ := proto.Marshal(test) @@ -574,7 +599,7 @@ func TestBindingProtoBuf(t *testing.T) { } func TestBindingProtoBufFail(t *testing.T) { - test := &example.Test{ + test := &protoexample.Test{ Label: proto.String("yes"), } data, _ := proto.Marshal(test) @@ -645,6 +670,49 @@ func TestExistsFails(t *testing.T) { assert.Error(t, err) } +func TestUriBinding(t *testing.T) { + b := Uri + assert.Equal(t, "uri", b.Name()) + + type Tag struct { + Name string `uri:"name"` + } + var tag Tag + m := make(map[string][]string) + m["name"] = []string{"thinkerou"} + assert.NoError(t, b.BindUri(m, &tag)) + assert.Equal(t, "thinkerou", tag.Name) + + type NotSupportStruct struct { + Name map[string]interface{} `uri:"name"` + } + var not NotSupportStruct + assert.Error(t, b.BindUri(m, ¬)) + assert.Equal(t, map[string]interface{}(nil), not.Name) +} + +func TestUriInnerBinding(t *testing.T) { + type Tag struct { + Name string `uri:"name"` + S struct { + Age int `uri:"age"` + } + } + + expectedName := "mike" + expectedAge := 25 + + m := map[string][]string{ + "name": {expectedName}, + "age": {strconv.Itoa(expectedAge)}, + } + + var tag Tag + assert.NoError(t, Uri.BindUri(m, &tag)) + assert.Equal(t, tag.Name, expectedName) + assert.Equal(t, tag.S.Age, expectedAge) +} + func testFormBinding(t *testing.T, method, path, badPath, body, badBody string) { b := Form assert.Equal(t, "form", b.Name()) @@ -1156,14 +1224,14 @@ func testBodyBindingFail(t *testing.T, b Binding, name, path, badPath, body, bad func testProtoBodyBinding(t *testing.T, b Binding, name, path, badPath, body, badBody string) { assert.Equal(t, name, b.Name()) - obj := example.Test{} + obj := protoexample.Test{} req := requestWithBody("POST", path, body) req.Header.Add("Content-Type", MIMEPROTOBUF) err := b.Bind(req, &obj) assert.NoError(t, err) assert.Equal(t, "yes", *obj.Label) - obj = example.Test{} + obj = protoexample.Test{} req = requestWithBody("POST", badPath, badBody) req.Header.Add("Content-Type", MIMEPROTOBUF) err = ProtoBuf.Bind(req, &obj) @@ -1179,7 +1247,7 @@ func (h hook) Read([]byte) (int, error) { func testProtoBodyBindingFail(t *testing.T, b Binding, name, path, badPath, body, badBody string) { assert.Equal(t, name, b.Name()) - obj := example.Test{} + obj := protoexample.Test{} req := requestWithBody("POST", path, body) req.Body = ioutil.NopCloser(&hook{}) @@ -1187,7 +1255,7 @@ func testProtoBodyBindingFail(t *testing.T, b Binding, name, path, badPath, body err := b.Bind(req, &obj) assert.Error(t, err) - obj = example.Test{} + obj = protoexample.Test{} req = requestWithBody("POST", badPath, badBody) req.Header.Add("Content-Type", MIMEPROTOBUF) err = ProtoBuf.Bind(req, &obj) @@ -1215,3 +1283,12 @@ func requestWithBody(method, path, body string) (req *http.Request) { req, _ = http.NewRequest(method, path, bytes.NewBufferString(body)) return } + +func TestCanSet(t *testing.T) { + type CanSetStruct struct { + lowerStart string `form:"lower"` + } + + var c CanSetStruct + assert.Nil(t, mapForm(&c, nil)) +} diff --git a/binding/default_validator.go b/binding/default_validator.go index c67aa8a3..e7a302de 100644 --- a/binding/default_validator.go +++ b/binding/default_validator.go @@ -18,11 +18,17 @@ type defaultValidator struct { var _ StructValidator = &defaultValidator{} +// ValidateStruct receives any kind of type, but only performed struct or pointer to struct type. func (v *defaultValidator) ValidateStruct(obj interface{}) error { - if kindOfData(obj) == reflect.Struct { + value := reflect.ValueOf(obj) + valueType := value.Kind() + if valueType == reflect.Ptr { + valueType = value.Elem().Kind() + } + if valueType == reflect.Struct { v.lazyinit() if err := v.validate.Struct(obj); err != nil { - return error(err) + return err } } return nil @@ -43,12 +49,3 @@ func (v *defaultValidator) lazyinit() { v.validate = validator.New(config) }) } - -func kindOfData(data interface{}) reflect.Kind { - value := reflect.ValueOf(data) - valueType := value.Kind() - if valueType == reflect.Ptr { - valueType = value.Elem().Kind() - } - return valueType -} diff --git a/binding/form.go b/binding/form.go index 0be59660..8955c95b 100644 --- a/binding/form.go +++ b/binding/form.go @@ -20,7 +20,11 @@ func (formBinding) Bind(req *http.Request, obj interface{}) error { if err := req.ParseForm(); err != nil { return err } - req.ParseMultipartForm(defaultMemory) + if err := req.ParseMultipartForm(defaultMemory); err != nil { + if err != http.ErrNotMultipart { + return err + } + } if err := mapForm(obj, req.Form); err != nil { return err } diff --git a/binding/form_mapping.go b/binding/form_mapping.go index 3f6b9bfa..8900ab70 100644 --- a/binding/form_mapping.go +++ b/binding/form_mapping.go @@ -12,7 +12,15 @@ import ( "time" ) +func mapUri(ptr interface{}, m map[string][]string) error { + return mapFormByTag(ptr, m, "uri") +} + func mapForm(ptr interface{}, form map[string][]string) error { + return mapFormByTag(ptr, form, "form") +} + +func mapFormByTag(ptr interface{}, form map[string][]string, tag string) error { typ := reflect.TypeOf(ptr).Elem() val := reflect.ValueOf(ptr).Elem() for i := 0; i < typ.NumField(); i++ { @@ -23,7 +31,7 @@ func mapForm(ptr interface{}, form map[string][]string) error { } structFieldKind := structField.Kind() - inputFieldName := typeField.Tag.Get("form") + inputFieldName := typeField.Tag.Get(tag) inputFieldNameList := strings.Split(inputFieldName, ",") inputFieldName = inputFieldNameList[0] var defaultValue string @@ -47,7 +55,7 @@ func mapForm(ptr interface{}, form map[string][]string) error { structFieldKind = structField.Kind() } if structFieldKind == reflect.Struct { - err := mapForm(structField.Addr().Interface(), form) + err := mapFormByTag(structField.Addr().Interface(), form, tag) if err != nil { return err } @@ -74,16 +82,16 @@ func mapForm(ptr interface{}, form map[string][]string) error { } } val.Field(i).Set(slice) - } else { - if _, isTime := structField.Interface().(time.Time); isTime { - if err := setTimeField(inputValue[0], typeField, structField); err != nil { - return err - } - continue - } - if err := setWithProperType(typeField.Type.Kind(), inputValue[0], structField); err != nil { + continue + } + if _, isTime := structField.Interface().(time.Time); isTime { + if err := setTimeField(inputValue[0], typeField, structField); err != nil { return err } + continue + } + if err := setWithProperType(typeField.Type.Kind(), inputValue[0], structField); err != nil { + return err } } return nil @@ -178,7 +186,7 @@ func setFloatField(val string, bitSize int, field reflect.Value) error { func setTimeField(val string, structField reflect.StructField, value reflect.Value) error { timeFormat := structField.Tag.Get("time_format") if timeFormat == "" { - return errors.New("Blank time format") + timeFormat = time.RFC3339 } if val == "" { diff --git a/binding/json.go b/binding/json.go index fea17bb2..f968161b 100644 --- a/binding/json.go +++ b/binding/json.go @@ -6,10 +6,11 @@ package binding import ( "bytes" + "fmt" "io" "net/http" - "github.com/gin-gonic/gin/json" + "github.com/gin-gonic/gin/internal/json" ) // EnableDecoderUseNumber is used to call the UseNumber method on the JSON @@ -24,6 +25,9 @@ func (jsonBinding) Name() string { } func (jsonBinding) Bind(req *http.Request, obj interface{}) error { + if req == nil || req.Body == nil { + return fmt.Errorf("invalid request") + } return decodeJSON(req.Body, obj) } diff --git a/binding/protobuf.go b/binding/protobuf.go index 540e9c1f..f9ece928 100644 --- a/binding/protobuf.go +++ b/binding/protobuf.go @@ -29,7 +29,7 @@ func (protobufBinding) BindBody(body []byte, obj interface{}) error { if err := proto.Unmarshal(body, obj.(proto.Message)); err != nil { return err } - // Here it's same to return validate(obj), but util now we cann't add + // Here it's same to return validate(obj), but util now we can't add // `binding:""` to the struct which automatically generate by gen-proto return nil // return validate(obj) diff --git a/binding/uri.go b/binding/uri.go new file mode 100644 index 00000000..f91ec381 --- /dev/null +++ b/binding/uri.go @@ -0,0 +1,18 @@ +// Copyright 2018 Gin Core Team. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +type uriBinding struct{} + +func (uriBinding) Name() string { + return "uri" +} + +func (uriBinding) BindUri(m map[string][]string, obj interface{}) error { + if err := mapUri(obj, m); err != nil { + return err + } + return validate(obj) +} diff --git a/binding/yaml.go b/binding/yaml.go new file mode 100644 index 00000000..a2d36d6a --- /dev/null +++ b/binding/yaml.go @@ -0,0 +1,35 @@ +// Copyright 2018 Gin Core Team. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import ( + "bytes" + "io" + "net/http" + + "gopkg.in/yaml.v2" +) + +type yamlBinding struct{} + +func (yamlBinding) Name() string { + return "yaml" +} + +func (yamlBinding) Bind(req *http.Request, obj interface{}) error { + return decodeYAML(req.Body, obj) +} + +func (yamlBinding) BindBody(body []byte, obj interface{}) error { + return decodeYAML(bytes.NewReader(body), obj) +} + +func decodeYAML(r io.Reader, obj interface{}) error { + decoder := yaml.NewDecoder(r) + if err := decoder.Decode(obj); err != nil { + return err + } + return validate(obj) +} diff --git a/context.go b/context.go index 6a84de5e..26badfc3 100644 --- a/context.go +++ b/context.go @@ -31,6 +31,7 @@ const ( MIMEPlain = binding.MIMEPlain MIMEPOSTForm = binding.MIMEPOSTForm MIMEMultipartPOSTForm = binding.MIMEMultipartPOSTForm + MIMEYAML = binding.MIMEYAML BodyBytesKey = "_gin-gonic/gin/bodybyteskey" ) @@ -104,8 +105,9 @@ func (c *Context) Handler() HandlerFunc { // See example in GitHub. func (c *Context) Next() { c.index++ - for s := int8(len(c.handlers)); c.index < s; c.index++ { + for c.index < int8(len(c.handlers)) { c.handlers[c.index](c) + c.index++ } } @@ -159,16 +161,15 @@ func (c *Context) Error(err error) *Error { if err == nil { panic("err is nil") } - var parsedError *Error - switch err.(type) { - case *Error: - parsedError = err.(*Error) - default: + + parsedError, ok := err.(*Error) + if !ok { parsedError = &Error{ Err: err, Type: ErrorTypePrivate, } } + c.Errors = append(c.Errors, parsedError) return parsedError } @@ -361,6 +362,18 @@ func (c *Context) GetQueryArray(key string) ([]string, bool) { return []string{}, false } +// QueryMap returns a map for a given query key. +func (c *Context) QueryMap(key string) map[string]string { + dicts, _ := c.GetQueryMap(key) + return dicts +} + +// GetQueryMap returns a map for a given query key, plus a boolean value +// whether at least one value exists for the given key. +func (c *Context) GetQueryMap(key string) (map[string]string, bool) { + return c.get(c.Request.URL.Query(), key) +} + // PostForm returns the specified key from a POST urlencoded form or multipart form // when it exists, otherwise it returns an empty string `("")`. func (c *Context) PostForm(key string) string { @@ -403,8 +416,11 @@ func (c *Context) PostFormArray(key string) []string { // a boolean value whether at least one value exists for the given key. func (c *Context) GetPostFormArray(key string) ([]string, bool) { req := c.Request - req.ParseForm() - req.ParseMultipartForm(c.engine.MaxMultipartMemory) + if err := req.ParseMultipartForm(c.engine.MaxMultipartMemory); err != nil { + if err != http.ErrNotMultipart { + debugPrint("error on parse multipart form array: %v", err) + } + } if values := req.PostForm[key]; len(values) > 0 { return values, true } @@ -416,8 +432,52 @@ func (c *Context) GetPostFormArray(key string) ([]string, bool) { return []string{}, false } +// PostFormMap returns a map for a given form key. +func (c *Context) PostFormMap(key string) map[string]string { + dicts, _ := c.GetPostFormMap(key) + return dicts +} + +// GetPostFormMap returns a map for a given form key, plus a boolean value +// whether at least one value exists for the given key. +func (c *Context) GetPostFormMap(key string) (map[string]string, bool) { + req := c.Request + if err := req.ParseMultipartForm(c.engine.MaxMultipartMemory); err != nil { + if err != http.ErrNotMultipart { + debugPrint("error on parse multipart form map: %v", err) + } + } + dicts, exist := c.get(req.PostForm, key) + + if !exist && req.MultipartForm != nil && req.MultipartForm.File != nil { + dicts, exist = c.get(req.MultipartForm.Value, key) + } + + return dicts, exist +} + +// get is an internal method and returns a map which satisfy conditions. +func (c *Context) get(m map[string][]string, key string) (map[string]string, bool) { + dicts := make(map[string]string) + exist := false + for k, v := range m { + if i := strings.IndexByte(k, '['); i >= 1 && k[0:i] == key { + if j := strings.IndexByte(k[i+1:], ']'); j >= 1 { + exist = true + dicts[k[i+1:][:j]] = v[0] + } + } + } + return dicts, exist +} + // FormFile returns the first file for the provided form key. func (c *Context) FormFile(name string) (*multipart.FileHeader, error) { + if c.Request.MultipartForm == nil { + if err := c.Request.ParseMultipartForm(c.engine.MaxMultipartMemory); err != nil { + return nil, err + } + } _, fh, err := c.Request.FormFile(name) return fh, err } @@ -442,8 +502,8 @@ func (c *Context) SaveUploadedFile(file *multipart.FileHeader, dst string) error } defer out.Close() - io.Copy(out, src) - return nil + _, err = io.Copy(out, src) + return err } // Bind checks the Content-Type to select a binding engine automatically, @@ -464,20 +524,40 @@ func (c *Context) BindJSON(obj interface{}) error { return c.MustBindWith(obj, binding.JSON) } +// BindXML is a shortcut for c.MustBindWith(obj, binding.BindXML). +func (c *Context) BindXML(obj interface{}) error { + return c.MustBindWith(obj, binding.XML) +} + // BindQuery is a shortcut for c.MustBindWith(obj, binding.Query). func (c *Context) BindQuery(obj interface{}) error { return c.MustBindWith(obj, binding.Query) } -// MustBindWith binds the passed struct pointer using the specified binding engine. -// It will abort the request with HTTP 400 if any error ocurrs. -// See the binding package. -func (c *Context) MustBindWith(obj interface{}, b binding.Binding) (err error) { - if err = c.ShouldBindWith(obj, b); err != nil { - c.AbortWithError(400, err).SetType(ErrorTypeBind) - } +// BindYAML is a shortcut for c.MustBindWith(obj, binding.YAML). +func (c *Context) BindYAML(obj interface{}) error { + return c.MustBindWith(obj, binding.YAML) +} - return +// BindUri binds the passed struct pointer using binding.Uri. +// It will abort the request with HTTP 400 if any error occurs. +func (c *Context) BindUri(obj interface{}) error { + if err := c.ShouldBindUri(obj); err != nil { + c.AbortWithError(http.StatusBadRequest, err).SetType(ErrorTypeBind) // nolint: errcheck + return err + } + return nil +} + +// MustBindWith binds the passed struct pointer using the specified binding engine. +// It will abort the request with HTTP 400 if any error occurs. +// See the binding package. +func (c *Context) MustBindWith(obj interface{}, b binding.Binding) error { + if err := c.ShouldBindWith(obj, b); err != nil { + c.AbortWithError(http.StatusBadRequest, err).SetType(ErrorTypeBind) // nolint: errcheck + return err + } + return nil } // ShouldBind checks the Content-Type to select a binding engine automatically, @@ -498,11 +578,30 @@ func (c *Context) ShouldBindJSON(obj interface{}) error { return c.ShouldBindWith(obj, binding.JSON) } +// ShouldBindXML is a shortcut for c.ShouldBindWith(obj, binding.XML). +func (c *Context) ShouldBindXML(obj interface{}) error { + return c.ShouldBindWith(obj, binding.XML) +} + // ShouldBindQuery is a shortcut for c.ShouldBindWith(obj, binding.Query). func (c *Context) ShouldBindQuery(obj interface{}) error { return c.ShouldBindWith(obj, binding.Query) } +// ShouldBindYAML is a shortcut for c.ShouldBindWith(obj, binding.YAML). +func (c *Context) ShouldBindYAML(obj interface{}) error { + return c.ShouldBindWith(obj, binding.YAML) +} + +// ShouldBindUri binds the passed struct pointer using the specified binding engine. +func (c *Context) ShouldBindUri(obj interface{}) error { + m := make(map[string][]string) + for _, v := range c.Params { + m[v.Key] = []string{v.Value} + } + return binding.Uri.BindUri(m, obj) +} + // ShouldBindWith binds the passed struct pointer using the specified binding engine. // See the binding package. func (c *Context) ShouldBindWith(obj interface{}, b binding.Binding) error { @@ -514,9 +613,7 @@ func (c *Context) ShouldBindWith(obj interface{}, b binding.Binding) error { // // NOTE: This method reads the body before binding. So you should use // ShouldBindWith for better performance if you need to call only once. -func (c *Context) ShouldBindBodyWith( - obj interface{}, bb binding.BindingBody, -) (err error) { +func (c *Context) ShouldBindBodyWith(obj interface{}, bb binding.BindingBody) (err error) { var body []byte if cb, ok := c.Get(BodyBytesKey); ok { if cbb, ok := cb.([]byte); ok { @@ -589,9 +686,9 @@ func bodyAllowedForStatus(status int) bool { switch { case status >= 100 && status <= 199: return false - case status == 204: + case status == http.StatusNoContent: return false - case status == 304: + case status == http.StatusNotModified: return false } return true @@ -608,9 +705,9 @@ func (c *Context) Status(code int) { func (c *Context) Header(key, value string) { if value == "" { c.Writer.Header().Del(key) - } else { - c.Writer.Header().Set(key, value) + return } + c.Writer.Header().Set(key, value) } // GetHeader returns value from request headers. @@ -654,6 +751,7 @@ func (c *Context) Cookie(name string) (string, error) { return val, nil } +// Render writes the response headers and calls render.Render to render data. func (c *Context) Render(code int, r render.Render) { c.Status(code) @@ -695,7 +793,12 @@ func (c *Context) SecureJSON(code int, obj interface{}) { // It add padding to response body to request data from a server residing in a different domain than the client. // It also sets the Content-Type as "application/javascript". func (c *Context) JSONP(code int, obj interface{}) { - c.Render(code, render.JsonpJSON{Callback: c.DefaultQuery("callback", ""), Data: obj}) + callback := c.DefaultQuery("callback", "") + if callback == "" { + c.Render(code, render.JSON{Data: obj}) + return + } + c.Render(code, render.JsonpJSON{Callback: callback, Data: obj}) } // JSON serializes the given struct as JSON into the response body. @@ -704,6 +807,12 @@ func (c *Context) JSON(code int, obj interface{}) { c.Render(code, render.JSON{Data: obj}) } +// AsciiJSON serializes the given struct as JSON into the response body with unicode to ASCII string. +// It also sets the Content-Type as "application/json". +func (c *Context) AsciiJSON(code int, obj interface{}) { + c.Render(code, render.AsciiJSON{Data: obj}) +} + // XML serializes the given struct as XML into the response body. // It also sets the Content-Type as "application/xml". func (c *Context) XML(code int, obj interface{}) { @@ -715,6 +824,11 @@ func (c *Context) YAML(code int, obj interface{}) { c.Render(code, render.YAML{Data: obj}) } +// ProtoBuf serializes the given struct as ProtoBuf into the response body. +func (c *Context) ProtoBuf(code int, obj interface{}) { + c.Render(code, render.ProtoBuf{Data: obj}) +} + // String writes the given string into the response body. func (c *Context) String(code int, format string, values ...interface{}) { c.Render(code, render.String{Format: format, Data: values}) @@ -760,6 +874,7 @@ func (c *Context) SSEvent(name string, message interface{}) { }) } +// Stream sends a streaming response. func (c *Context) Stream(step func(w io.Writer) bool) { w := c.Writer clientGone := w.CloseNotify() @@ -781,6 +896,7 @@ func (c *Context) Stream(step func(w io.Writer) bool) { /******** CONTENT NEGOTIATION *******/ /************************************/ +// Negotiate contains all negotiations data. type Negotiate struct { Offered []string HTMLName string @@ -790,6 +906,7 @@ type Negotiate struct { Data interface{} } +// Negotiate calls different Render according acceptable Accept format. func (c *Context) Negotiate(code int, config Negotiate) { switch c.NegotiateFormat(config.Offered...) { case binding.MIMEJSON: @@ -805,10 +922,11 @@ func (c *Context) Negotiate(code int, config Negotiate) { c.XML(code, data) default: - c.AbortWithError(http.StatusNotAcceptable, errors.New("the accepted formats are not offered by the server")) + c.AbortWithError(http.StatusNotAcceptable, errors.New("the accepted formats are not offered by the server")) // nolint: errcheck } } +// NegotiateFormat returns an acceptable Accept format. func (c *Context) NegotiateFormat(offered ...string) string { assert1(len(offered) > 0, "you must provide at least one offer") @@ -828,6 +946,7 @@ func (c *Context) NegotiateFormat(offered ...string) string { return "" } +// SetAccepted sets Accept header data. func (c *Context) SetAccepted(formats ...string) { c.Accepted = formats } @@ -836,18 +955,33 @@ func (c *Context) SetAccepted(formats ...string) { /***** GOLANG.ORG/X/NET/CONTEXT *****/ /************************************/ +// Deadline returns the time when work done on behalf of this context +// should be canceled. Deadline returns ok==false when no deadline is +// set. Successive calls to Deadline return the same results. func (c *Context) Deadline() (deadline time.Time, ok bool) { return } +// Done returns a channel that's closed when work done on behalf of this +// context should be canceled. Done may return nil if this context can +// never be canceled. Successive calls to Done return the same value. func (c *Context) Done() <-chan struct{} { return nil } +// Err returns a non-nil error value after Done is closed, +// successive calls to Err return the same error. +// If Done is not yet closed, Err returns nil. +// If Done is closed, Err returns a non-nil error explaining why: +// Canceled if the context was canceled +// or DeadlineExceeded if the context's deadline passed. func (c *Context) Err() error { return nil } +// Value returns the value associated with this context for key, or nil +// if no value is associated with key. Successive calls to Value with +// the same key returns the same result. func (c *Context) Value(key interface{}) interface{} { if key == 0 { return c.Request diff --git a/context_17.go b/context_17.go new file mode 100644 index 00000000..8e9f75ad --- /dev/null +++ b/context_17.go @@ -0,0 +1,17 @@ +// Copyright 2018 Gin Core Team. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +// +build go1.7 + +package gin + +import ( + "github.com/gin-gonic/gin/render" +) + +// PureJSON serializes the given struct as JSON into the response body. +// PureJSON, unlike JSON, does not replace special html characters with their unicode entities. +func (c *Context) PureJSON(code int, obj interface{}) { + c.Render(code, render.PureJSON{Data: obj}) +} diff --git a/context_17_test.go b/context_17_test.go new file mode 100644 index 00000000..5b9ebcdc --- /dev/null +++ b/context_17_test.go @@ -0,0 +1,27 @@ +// Copyright 2018 Gin Core Team. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +// +build go1.7 + +package gin + +import ( + "net/http" + "net/http/httptest" + "testing" + + "github.com/stretchr/testify/assert" +) + +// Tests that the response is serialized as JSON +// and Content-Type is set to application/json +// and special HTML characters are preserved +func TestContextRenderPureJSON(t *testing.T) { + w := httptest.NewRecorder() + c, _ := CreateTestContext(w) + c.PureJSON(http.StatusCreated, H{"foo": "bar", "html": ""}) + assert.Equal(t, http.StatusCreated, w.Code) + assert.Equal(t, "{\"foo\":\"bar\",\"html\":\"\"}\n", w.Body.String()) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) +} diff --git a/context_test.go b/context_test.go index 12e02fa0..ea936b85 100644 --- a/context_test.go +++ b/context_test.go @@ -9,6 +9,7 @@ import ( "errors" "fmt" "html/template" + "io" "mime/multipart" "net/http" "net/http/httptest" @@ -19,8 +20,11 @@ import ( "github.com/gin-contrib/sse" "github.com/gin-gonic/gin/binding" + "github.com/golang/protobuf/proto" "github.com/stretchr/testify/assert" "golang.org/x/net/context" + + testdata "github.com/gin-gonic/gin/testdata/protoexample" ) var _ context.Context = &Context{} @@ -47,6 +51,8 @@ func createMultipartRequest() *http.Request { must(mw.WriteField("time_local", "31/12/2016 14:55")) must(mw.WriteField("time_utc", "31/12/2016 14:55")) must(mw.WriteField("time_location", "31/12/2016 14:55")) + must(mw.WriteField("names[a]", "thinkerou")) + must(mw.WriteField("names[b]", "tianou")) req, err := http.NewRequest("POST", "/", body) must(err) req.Header.Set("Content-Type", MIMEMultipartPOSTForm+"; boundary="+boundary) @@ -64,7 +70,8 @@ func TestContextFormFile(t *testing.T) { mw := multipart.NewWriter(buf) w, err := mw.CreateFormFile("file", "test") if assert.NoError(t, err) { - w.Write([]byte("test")) + _, err = w.Write([]byte("test")) + assert.NoError(t, err) } mw.Close() c, _ := CreateTestContext(httptest.NewRecorder()) @@ -78,13 +85,27 @@ func TestContextFormFile(t *testing.T) { assert.NoError(t, c.SaveUploadedFile(f, "test")) } +func TestContextFormFileFailed(t *testing.T) { + buf := new(bytes.Buffer) + mw := multipart.NewWriter(buf) + mw.Close() + c, _ := CreateTestContext(httptest.NewRecorder()) + c.Request, _ = http.NewRequest("POST", "/", nil) + c.Request.Header.Set("Content-Type", mw.FormDataContentType()) + c.engine.MaxMultipartMemory = 8 << 20 + f, err := c.FormFile("file") + assert.Error(t, err) + assert.Nil(t, f) +} + func TestContextMultipartForm(t *testing.T) { buf := new(bytes.Buffer) mw := multipart.NewWriter(buf) - mw.WriteField("foo", "bar") + assert.NoError(t, mw.WriteField("foo", "bar")) w, err := mw.CreateFormFile("file", "test") if assert.NoError(t, err) { - w.Write([]byte("test")) + _, err = w.Write([]byte("test")) + assert.NoError(t, err) } mw.Close() c, _ := CreateTestContext(httptest.NewRecorder()) @@ -118,7 +139,8 @@ func TestSaveUploadedCreateFailed(t *testing.T) { mw := multipart.NewWriter(buf) w, err := mw.CreateFormFile("file", "test") if assert.NoError(t, err) { - w.Write([]byte("test")) + _, err = w.Write([]byte("test")) + assert.NoError(t, err) } mw.Close() c, _ := CreateTestContext(httptest.NewRecorder()) @@ -140,7 +162,7 @@ func TestContextReset(t *testing.T) { c.index = 2 c.Writer = &responseWriter{ResponseWriter: httptest.NewRecorder()} c.Params = Params{Param{}} - c.Error(errors.New("test")) + c.Error(errors.New("test")) // nolint: errcheck c.Set("foo", "bar") c.reset() @@ -371,7 +393,8 @@ func TestContextQuery(t *testing.T) { func TestContextQueryAndPostForm(t *testing.T) { c, _ := CreateTestContext(httptest.NewRecorder()) body := bytes.NewBufferString("foo=bar&page=11&both=&foo=second") - c.Request, _ = http.NewRequest("POST", "/?both=GET&id=main&id=omit&array[]=first&array[]=second", body) + c.Request, _ = http.NewRequest("POST", + "/?both=GET&id=main&id=omit&array[]=first&array[]=second&ids[a]=hi&ids[b]=3.14", body) c.Request.Header.Add("Content-Type", MIMEPOSTForm) assert.Equal(t, "bar", c.DefaultPostForm("foo", "none")) @@ -439,6 +462,30 @@ func TestContextQueryAndPostForm(t *testing.T) { values = c.QueryArray("both") assert.Equal(t, 1, len(values)) assert.Equal(t, "GET", values[0]) + + dicts, ok := c.GetQueryMap("ids") + assert.True(t, ok) + assert.Equal(t, "hi", dicts["a"]) + assert.Equal(t, "3.14", dicts["b"]) + + dicts, ok = c.GetQueryMap("nokey") + assert.False(t, ok) + assert.Equal(t, 0, len(dicts)) + + dicts, ok = c.GetQueryMap("both") + assert.False(t, ok) + assert.Equal(t, 0, len(dicts)) + + dicts, ok = c.GetQueryMap("array") + assert.False(t, ok) + assert.Equal(t, 0, len(dicts)) + + dicts = c.QueryMap("ids") + assert.Equal(t, "hi", dicts["a"]) + assert.Equal(t, "3.14", dicts["b"]) + + dicts = c.QueryMap("nokey") + assert.Equal(t, 0, len(dicts)) } func TestContextPostFormMultipart(t *testing.T) { @@ -515,6 +562,22 @@ func TestContextPostFormMultipart(t *testing.T) { values = c.PostFormArray("foo") assert.Equal(t, 1, len(values)) assert.Equal(t, "bar", values[0]) + + dicts, ok := c.GetPostFormMap("names") + assert.True(t, ok) + assert.Equal(t, "thinkerou", dicts["a"]) + assert.Equal(t, "tianou", dicts["b"]) + + dicts, ok = c.GetPostFormMap("nokey") + assert.False(t, ok) + assert.Equal(t, 0, len(dicts)) + + dicts = c.PostFormMap("names") + assert.Equal(t, "thinkerou", dicts["a"]) + assert.Equal(t, "tianou", dicts["b"]) + + dicts = c.PostFormMap("nokey") + assert.Equal(t, 0, len(dicts)) } func TestContextSetCookie(t *testing.T) { @@ -541,10 +604,11 @@ func TestContextGetCookie(t *testing.T) { } func TestContextBodyAllowedForStatus(t *testing.T) { + // todo(thinkerou): go1.6 not support StatusProcessing assert.False(t, false, bodyAllowedForStatus(102)) - assert.False(t, false, bodyAllowedForStatus(204)) - assert.False(t, false, bodyAllowedForStatus(304)) - assert.True(t, true, bodyAllowedForStatus(500)) + assert.False(t, false, bodyAllowedForStatus(http.StatusNoContent)) + assert.False(t, false, bodyAllowedForStatus(http.StatusNotModified)) + assert.True(t, true, bodyAllowedForStatus(http.StatusInternalServerError)) } type TestPanicRender struct { @@ -571,15 +635,16 @@ func TestContextRenderPanicIfErr(t *testing.T) { // Tests that the response is serialized as JSON // and Content-Type is set to application/json +// and special HTML characters are escaped func TestContextRenderJSON(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.JSON(201, H{"foo": "bar"}) + c.JSON(http.StatusCreated, H{"foo": "bar", "html": ""}) - assert.Equal(t, 201, w.Code) - assert.Equal(t, "{\"foo\":\"bar\"}", w.Body.String()) - assert.Equal(t, "application/json; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, http.StatusCreated, w.Code) + assert.Equal(t, "{\"foo\":\"bar\",\"html\":\"\\u003cb\\u003e\"}", w.Body.String()) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that the response is serialized as JSONP @@ -589,11 +654,25 @@ func TestContextRenderJSONP(t *testing.T) { c, _ := CreateTestContext(w) c.Request, _ = http.NewRequest("GET", "http://example.com/?callback=x", nil) - c.JSONP(201, H{"foo": "bar"}) + c.JSONP(http.StatusCreated, H{"foo": "bar"}) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "x({\"foo\":\"bar\"})", w.Body.String()) - assert.Equal(t, "application/javascript; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/javascript; charset=utf-8", w.Header().Get("Content-Type")) +} + +// Tests that the response is serialized as JSONP +// and Content-Type is set to application/json +func TestContextRenderJSONPWithoutCallback(t *testing.T) { + w := httptest.NewRecorder() + c, _ := CreateTestContext(w) + c.Request, _ = http.NewRequest("GET", "http://example.com", nil) + + c.JSONP(http.StatusCreated, H{"foo": "bar"}) + + assert.Equal(t, http.StatusCreated, w.Code) + assert.Equal(t, "{\"foo\":\"bar\"}", w.Body.String()) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that no JSON is rendered if code is 204 @@ -601,11 +680,11 @@ func TestContextRenderNoContentJSON(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.JSON(204, H{"foo": "bar"}) + c.JSON(http.StatusNoContent, H{"foo": "bar"}) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, "application/json; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that the response is serialized as JSON @@ -615,11 +694,11 @@ func TestContextRenderAPIJSON(t *testing.T) { c, _ := CreateTestContext(w) c.Header("Content-Type", "application/vnd.api+json") - c.JSON(201, H{"foo": "bar"}) + c.JSON(http.StatusCreated, H{"foo": "bar"}) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "{\"foo\":\"bar\"}", w.Body.String()) - assert.Equal(t, "application/vnd.api+json", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/vnd.api+json", w.Header().Get("Content-Type")) } // Tests that no Custom JSON is rendered if code is 204 @@ -628,11 +707,11 @@ func TestContextRenderNoContentAPIJSON(t *testing.T) { c, _ := CreateTestContext(w) c.Header("Content-Type", "application/vnd.api+json") - c.JSON(204, H{"foo": "bar"}) + c.JSON(http.StatusNoContent, H{"foo": "bar"}) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, w.HeaderMap.Get("Content-Type"), "application/vnd.api+json") + assert.Equal(t, w.Header().Get("Content-Type"), "application/vnd.api+json") } // Tests that the response is serialized as JSON @@ -641,11 +720,11 @@ func TestContextRenderIndentedJSON(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.IndentedJSON(201, H{"foo": "bar", "bar": "foo", "nested": H{"foo": "bar"}}) + c.IndentedJSON(http.StatusCreated, H{"foo": "bar", "bar": "foo", "nested": H{"foo": "bar"}}) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "{\n \"bar\": \"foo\",\n \"foo\": \"bar\",\n \"nested\": {\n \"foo\": \"bar\"\n }\n}", w.Body.String()) - assert.Equal(t, "application/json; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that no Custom JSON is rendered if code is 204 @@ -653,11 +732,11 @@ func TestContextRenderNoContentIndentedJSON(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.IndentedJSON(204, H{"foo": "bar", "bar": "foo", "nested": H{"foo": "bar"}}) + c.IndentedJSON(http.StatusNoContent, H{"foo": "bar", "bar": "foo", "nested": H{"foo": "bar"}}) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, "application/json; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that the response is serialized as Secure JSON @@ -667,11 +746,11 @@ func TestContextRenderSecureJSON(t *testing.T) { c, router := CreateTestContext(w) router.SecureJsonPrefix("&&&START&&&") - c.SecureJSON(201, []string{"foo", "bar"}) + c.SecureJSON(http.StatusCreated, []string{"foo", "bar"}) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "&&&START&&&[\"foo\",\"bar\"]", w.Body.String()) - assert.Equal(t, "application/json; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that no Custom JSON is rendered if code is 204 @@ -679,11 +758,22 @@ func TestContextRenderNoContentSecureJSON(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.SecureJSON(204, []string{"foo", "bar"}) + c.SecureJSON(http.StatusNoContent, []string{"foo", "bar"}) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, "application/json; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) +} + +func TestContextRenderNoContentAsciiJSON(t *testing.T) { + w := httptest.NewRecorder() + c, _ := CreateTestContext(w) + + c.AsciiJSON(http.StatusNoContent, []string{"lang", "Go语言"}) + + assert.Equal(t, http.StatusNoContent, w.Code) + assert.Empty(t, w.Body.String()) + assert.Equal(t, "application/json", w.Header().Get("Content-Type")) } // Tests that the response executes the templates @@ -695,11 +785,11 @@ func TestContextRenderHTML(t *testing.T) { templ := template.Must(template.New("t").Parse(`Hello {{.name}}`)) router.SetHTMLTemplate(templ) - c.HTML(201, "t", H{"name": "alexandernyquist"}) + c.HTML(http.StatusCreated, "t", H{"name": "alexandernyquist"}) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "Hello alexandernyquist", w.Body.String()) - assert.Equal(t, "text/html; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/html; charset=utf-8", w.Header().Get("Content-Type")) } func TestContextRenderHTML2(t *testing.T) { @@ -710,20 +800,20 @@ func TestContextRenderHTML2(t *testing.T) { router.addRoute("GET", "/", HandlersChain{func(_ *Context) {}}) assert.Len(t, router.trees, 1) - var b bytes.Buffer - setup(&b) - defer teardown() - templ := template.Must(template.New("t").Parse(`Hello {{.name}}`)) - router.SetHTMLTemplate(templ) + re := captureOutput(t, func() { + SetMode(DebugMode) + router.SetHTMLTemplate(templ) + SetMode(TestMode) + }) - assert.Equal(t, "[GIN-debug] [WARNING] Since SetHTMLTemplate() is NOT thread-safe. It should only be called\nat initialization. ie. before any route is registered or the router is listening in a socket:\n\n\trouter := gin.Default()\n\trouter.SetHTMLTemplate(template) // << good place\n\n", b.String()) + assert.Equal(t, "[GIN-debug] [WARNING] Since SetHTMLTemplate() is NOT thread-safe. It should only be called\nat initialization. ie. before any route is registered or the router is listening in a socket:\n\n\trouter := gin.Default()\n\trouter.SetHTMLTemplate(template) // << good place\n\n", re) - c.HTML(201, "t", H{"name": "alexandernyquist"}) + c.HTML(http.StatusCreated, "t", H{"name": "alexandernyquist"}) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "Hello alexandernyquist", w.Body.String()) - assert.Equal(t, "text/html; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/html; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that no HTML is rendered if code is 204 @@ -733,11 +823,11 @@ func TestContextRenderNoContentHTML(t *testing.T) { templ := template.Must(template.New("t").Parse(`Hello {{.name}}`)) router.SetHTMLTemplate(templ) - c.HTML(204, "t", H{"name": "alexandernyquist"}) + c.HTML(http.StatusNoContent, "t", H{"name": "alexandernyquist"}) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, "text/html; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/html; charset=utf-8", w.Header().Get("Content-Type")) } // TestContextXML tests that the response is serialized as XML @@ -746,11 +836,11 @@ func TestContextRenderXML(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.XML(201, H{"foo": "bar"}) + c.XML(http.StatusCreated, H{"foo": "bar"}) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "bar", w.Body.String()) - assert.Equal(t, "application/xml; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/xml; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that no XML is rendered if code is 204 @@ -758,11 +848,11 @@ func TestContextRenderNoContentXML(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.XML(204, H{"foo": "bar"}) + c.XML(http.StatusNoContent, H{"foo": "bar"}) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, "application/xml; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/xml; charset=utf-8", w.Header().Get("Content-Type")) } // TestContextString tests that the response is returned @@ -771,11 +861,11 @@ func TestContextRenderString(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.String(201, "test %s %d", "string", 2) + c.String(http.StatusCreated, "test %s %d", "string", 2) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "test string 2", w.Body.String()) - assert.Equal(t, "text/plain; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/plain; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that no String is rendered if code is 204 @@ -783,11 +873,11 @@ func TestContextRenderNoContentString(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.String(204, "test %s %d", "string", 2) + c.String(http.StatusNoContent, "test %s %d", "string", 2) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, "text/plain; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/plain; charset=utf-8", w.Header().Get("Content-Type")) } // TestContextString tests that the response is returned @@ -797,11 +887,11 @@ func TestContextRenderHTMLString(t *testing.T) { c, _ := CreateTestContext(w) c.Header("Content-Type", "text/html; charset=utf-8") - c.String(201, "%s %d", "string", 3) + c.String(http.StatusCreated, "%s %d", "string", 3) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "string 3", w.Body.String()) - assert.Equal(t, "text/html; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/html; charset=utf-8", w.Header().Get("Content-Type")) } // Tests that no HTML String is rendered if code is 204 @@ -810,11 +900,11 @@ func TestContextRenderNoContentHTMLString(t *testing.T) { c, _ := CreateTestContext(w) c.Header("Content-Type", "text/html; charset=utf-8") - c.String(204, "%s %d", "string", 3) + c.String(http.StatusNoContent, "%s %d", "string", 3) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, "text/html; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/html; charset=utf-8", w.Header().Get("Content-Type")) } // TestContextData tests that the response can be written from `bytesting` @@ -823,11 +913,11 @@ func TestContextRenderData(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.Data(201, "text/csv", []byte(`foo,bar`)) + c.Data(http.StatusCreated, "text/csv", []byte(`foo,bar`)) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "foo,bar", w.Body.String()) - assert.Equal(t, "text/csv", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/csv", w.Header().Get("Content-Type")) } // Tests that no Custom Data is rendered if code is 204 @@ -835,11 +925,11 @@ func TestContextRenderNoContentData(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.Data(204, "text/csv", []byte(`foo,bar`)) + c.Data(http.StatusNoContent, "text/csv", []byte(`foo,bar`)) - assert.Equal(t, 204, w.Code) + assert.Equal(t, http.StatusNoContent, w.Code) assert.Empty(t, w.Body.String()) - assert.Equal(t, "text/csv", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/csv", w.Header().Get("Content-Type")) } func TestContextRenderSSE(t *testing.T) { @@ -866,9 +956,9 @@ func TestContextRenderFile(t *testing.T) { c.Request, _ = http.NewRequest("GET", "/", nil) c.File("./gin.go") - assert.Equal(t, 200, w.Code) + assert.Equal(t, http.StatusOK, w.Code) assert.Contains(t, w.Body.String(), "func New() *Engine {") - assert.Equal(t, "text/plain; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/plain; charset=utf-8", w.Header().Get("Content-Type")) } // TestContextRenderYAML tests that the response is serialized as YAML @@ -877,11 +967,35 @@ func TestContextRenderYAML(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.YAML(201, H{"foo": "bar"}) + c.YAML(http.StatusCreated, H{"foo": "bar"}) - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "foo: bar\n", w.Body.String()) - assert.Equal(t, "application/x-yaml; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/x-yaml; charset=utf-8", w.Header().Get("Content-Type")) +} + +// TestContextRenderProtoBuf tests that the response is serialized as ProtoBuf +// and Content-Type is set to application/x-protobuf +// and we just use the example protobuf to check if the response is correct +func TestContextRenderProtoBuf(t *testing.T) { + w := httptest.NewRecorder() + c, _ := CreateTestContext(w) + + reps := []int64{int64(1), int64(2)} + label := "test" + data := &testdata.Test{ + Label: &label, + Reps: reps, + } + + c.ProtoBuf(http.StatusCreated, data) + + protoData, err := proto.Marshal(data) + assert.NoError(t, err) + + assert.Equal(t, http.StatusCreated, w.Code) + assert.Equal(t, string(protoData), w.Body.String()) + assert.Equal(t, "application/x-protobuf", w.Header().Get("Content-Type")) } func TestContextHeaders(t *testing.T) { @@ -909,9 +1023,9 @@ func TestContextRenderRedirectWithRelativePath(t *testing.T) { assert.Panics(t, func() { c.Redirect(299, "/new_path") }) assert.Panics(t, func() { c.Redirect(309, "/new_path") }) - c.Redirect(301, "/path") + c.Redirect(http.StatusMovedPermanently, "/path") c.Writer.WriteHeaderNow() - assert.Equal(t, 301, w.Code) + assert.Equal(t, http.StatusMovedPermanently, w.Code) assert.Equal(t, "/path", w.Header().Get("Location")) } @@ -920,10 +1034,10 @@ func TestContextRenderRedirectWithAbsolutePath(t *testing.T) { c, _ := CreateTestContext(w) c.Request, _ = http.NewRequest("POST", "http://example.com", nil) - c.Redirect(302, "http://google.com") + c.Redirect(http.StatusFound, "http://google.com") c.Writer.WriteHeaderNow() - assert.Equal(t, 302, w.Code) + assert.Equal(t, http.StatusFound, w.Code) assert.Equal(t, "http://google.com", w.Header().Get("Location")) } @@ -932,21 +1046,23 @@ func TestContextRenderRedirectWith201(t *testing.T) { c, _ := CreateTestContext(w) c.Request, _ = http.NewRequest("POST", "http://example.com", nil) - c.Redirect(201, "/resource") + c.Redirect(http.StatusCreated, "/resource") c.Writer.WriteHeaderNow() - assert.Equal(t, 201, w.Code) + assert.Equal(t, http.StatusCreated, w.Code) assert.Equal(t, "/resource", w.Header().Get("Location")) } func TestContextRenderRedirectAll(t *testing.T) { c, _ := CreateTestContext(httptest.NewRecorder()) c.Request, _ = http.NewRequest("POST", "http://example.com", nil) - assert.Panics(t, func() { c.Redirect(200, "/resource") }) - assert.Panics(t, func() { c.Redirect(202, "/resource") }) + assert.Panics(t, func() { c.Redirect(http.StatusOK, "/resource") }) + assert.Panics(t, func() { c.Redirect(http.StatusAccepted, "/resource") }) assert.Panics(t, func() { c.Redirect(299, "/resource") }) assert.Panics(t, func() { c.Redirect(309, "/resource") }) - assert.NotPanics(t, func() { c.Redirect(300, "/resource") }) + assert.NotPanics(t, func() { c.Redirect(http.StatusMultipleChoices, "/resource") }) + // todo(thinkerou): go1.6 not support StatusPermanentRedirect(308) + // when we upgrade go version we can use http.StatusPermanentRedirect assert.NotPanics(t, func() { c.Redirect(308, "/resource") }) } @@ -955,14 +1071,14 @@ func TestContextNegotiationWithJSON(t *testing.T) { c, _ := CreateTestContext(w) c.Request, _ = http.NewRequest("POST", "", nil) - c.Negotiate(200, Negotiate{ + c.Negotiate(http.StatusOK, Negotiate{ Offered: []string{MIMEJSON, MIMEXML}, Data: H{"foo": "bar"}, }) - assert.Equal(t, 200, w.Code) + assert.Equal(t, http.StatusOK, w.Code) assert.Equal(t, "{\"foo\":\"bar\"}", w.Body.String()) - assert.Equal(t, "application/json; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type")) } func TestContextNegotiationWithXML(t *testing.T) { @@ -970,14 +1086,14 @@ func TestContextNegotiationWithXML(t *testing.T) { c, _ := CreateTestContext(w) c.Request, _ = http.NewRequest("POST", "", nil) - c.Negotiate(200, Negotiate{ + c.Negotiate(http.StatusOK, Negotiate{ Offered: []string{MIMEXML, MIMEJSON}, Data: H{"foo": "bar"}, }) - assert.Equal(t, 200, w.Code) + assert.Equal(t, http.StatusOK, w.Code) assert.Equal(t, "bar", w.Body.String()) - assert.Equal(t, "application/xml; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "application/xml; charset=utf-8", w.Header().Get("Content-Type")) } func TestContextNegotiationWithHTML(t *testing.T) { @@ -987,15 +1103,15 @@ func TestContextNegotiationWithHTML(t *testing.T) { templ := template.Must(template.New("t").Parse(`Hello {{.name}}`)) router.SetHTMLTemplate(templ) - c.Negotiate(200, Negotiate{ + c.Negotiate(http.StatusOK, Negotiate{ Offered: []string{MIMEHTML}, Data: H{"name": "gin"}, HTMLName: "t", }) - assert.Equal(t, 200, w.Code) + assert.Equal(t, http.StatusOK, w.Code) assert.Equal(t, "Hello gin", w.Body.String()) - assert.Equal(t, "text/html; charset=utf-8", w.HeaderMap.Get("Content-Type")) + assert.Equal(t, "text/html; charset=utf-8", w.Header().Get("Content-Type")) } func TestContextNegotiationNotSupport(t *testing.T) { @@ -1003,11 +1119,11 @@ func TestContextNegotiationNotSupport(t *testing.T) { c, _ := CreateTestContext(w) c.Request, _ = http.NewRequest("POST", "", nil) - c.Negotiate(200, Negotiate{ + c.Negotiate(http.StatusOK, Negotiate{ Offered: []string{MIMEPOSTForm}, }) - assert.Equal(t, 406, w.Code) + assert.Equal(t, http.StatusNotAcceptable, w.Code) assert.Equal(t, c.index, abortIndex) assert.True(t, c.IsAborted()) } @@ -1031,7 +1147,7 @@ func TestContextNegotiationFormatWithAccept(t *testing.T) { assert.Empty(t, c.NegotiateFormat(MIMEJSON)) } -func TestContextNegotiationFormatCustum(t *testing.T) { +func TestContextNegotiationFormatCustom(t *testing.T) { c, _ := CreateTestContext(httptest.NewRecorder()) c.Request, _ = http.NewRequest("POST", "/", nil) c.Request.Header.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8") @@ -1065,11 +1181,11 @@ func TestContextAbortWithStatus(t *testing.T) { c, _ := CreateTestContext(w) c.index = 4 - c.AbortWithStatus(401) + c.AbortWithStatus(http.StatusUnauthorized) assert.Equal(t, abortIndex, c.index) - assert.Equal(t, 401, c.Writer.Status()) - assert.Equal(t, 401, w.Code) + assert.Equal(t, http.StatusUnauthorized, c.Writer.Status()) + assert.Equal(t, http.StatusUnauthorized, w.Code) assert.True(t, c.IsAborted()) } @@ -1087,18 +1203,19 @@ func TestContextAbortWithStatusJSON(t *testing.T) { in.Bar = "barValue" in.Foo = "fooValue" - c.AbortWithStatusJSON(415, in) + c.AbortWithStatusJSON(http.StatusUnsupportedMediaType, in) assert.Equal(t, abortIndex, c.index) - assert.Equal(t, 415, c.Writer.Status()) - assert.Equal(t, 415, w.Code) + assert.Equal(t, http.StatusUnsupportedMediaType, c.Writer.Status()) + assert.Equal(t, http.StatusUnsupportedMediaType, w.Code) assert.True(t, c.IsAborted()) contentType := w.Header().Get("Content-Type") assert.Equal(t, "application/json; charset=utf-8", contentType) buf := new(bytes.Buffer) - buf.ReadFrom(w.Body) + _, err := buf.ReadFrom(w.Body) + assert.NoError(t, err) jsonStringBody := buf.String() assert.Equal(t, fmt.Sprint(`{"foo":"fooValue","bar":"barValue"}`), jsonStringBody) } @@ -1107,11 +1224,11 @@ func TestContextError(t *testing.T) { c, _ := CreateTestContext(httptest.NewRecorder()) assert.Empty(t, c.Errors) - c.Error(errors.New("first error")) + c.Error(errors.New("first error")) // nolint: errcheck assert.Len(t, c.Errors, 1) assert.Equal(t, "Error #01: first error\n", c.Errors.String()) - c.Error(&Error{ + c.Error(&Error{ // nolint: errcheck Err: errors.New("second error"), Meta: "some data 2", Type: ErrorTypePublic, @@ -1133,13 +1250,13 @@ func TestContextError(t *testing.T) { t.Error("didn't panic") } }() - c.Error(nil) + c.Error(nil) // nolint: errcheck } func TestContextTypedError(t *testing.T) { c, _ := CreateTestContext(httptest.NewRecorder()) - c.Error(errors.New("externo 0")).SetType(ErrorTypePublic) - c.Error(errors.New("interno 0")).SetType(ErrorTypePrivate) + c.Error(errors.New("externo 0")).SetType(ErrorTypePublic) // nolint: errcheck + c.Error(errors.New("interno 0")).SetType(ErrorTypePrivate) // nolint: errcheck for _, err := range c.Errors.ByType(ErrorTypePublic) { assert.Equal(t, ErrorTypePublic, err.Type) @@ -1154,9 +1271,9 @@ func TestContextAbortWithError(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.AbortWithError(401, errors.New("bad input")).SetMeta("some input") + c.AbortWithError(http.StatusUnauthorized, errors.New("bad input")).SetMeta("some input") // nolint: errcheck - assert.Equal(t, 401, w.Code) + assert.Equal(t, http.StatusUnauthorized, w.Code) assert.Equal(t, abortIndex, c.index) assert.True(t, c.IsAborted()) } @@ -1230,6 +1347,26 @@ func TestContextBindWithJSON(t *testing.T) { assert.Equal(t, "bar", obj.Foo) assert.Equal(t, 0, w.Body.Len()) } +func TestContextBindWithXML(t *testing.T) { + w := httptest.NewRecorder() + c, _ := CreateTestContext(w) + + c.Request, _ = http.NewRequest("POST", "/", bytes.NewBufferString(` + + FOO + BAR + `)) + c.Request.Header.Add("Content-Type", MIMEXML) // set fake content-type + + var obj struct { + Foo string `xml:"foo"` + Bar string `xml:"bar"` + } + assert.NoError(t, c.BindXML(&obj)) + assert.Equal(t, "FOO", obj.Foo) + assert.Equal(t, "BAR", obj.Bar) + assert.Equal(t, 0, w.Body.Len()) +} func TestContextBindWithQuery(t *testing.T) { w := httptest.NewRecorder() @@ -1247,6 +1384,23 @@ func TestContextBindWithQuery(t *testing.T) { assert.Equal(t, 0, w.Body.Len()) } +func TestContextBindWithYAML(t *testing.T) { + w := httptest.NewRecorder() + c, _ := CreateTestContext(w) + + c.Request, _ = http.NewRequest("POST", "/", bytes.NewBufferString("foo: bar\nbar: foo")) + c.Request.Header.Add("Content-Type", MIMEXML) // set fake content-type + + var obj struct { + Foo string `yaml:"foo"` + Bar string `yaml:"bar"` + } + assert.NoError(t, c.BindYAML(&obj)) + assert.Equal(t, "foo", obj.Bar) + assert.Equal(t, "bar", obj.Foo) + assert.Equal(t, 0, w.Body.Len()) +} + func TestContextBadAutoBind(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) @@ -1264,7 +1418,7 @@ func TestContextBadAutoBind(t *testing.T) { assert.Empty(t, obj.Bar) assert.Empty(t, obj.Foo) - assert.Equal(t, 400, w.Code) + assert.Equal(t, http.StatusBadRequest, w.Code) assert.True(t, c.IsAborted()) } @@ -1300,19 +1454,61 @@ func TestContextShouldBindWithJSON(t *testing.T) { assert.Equal(t, 0, w.Body.Len()) } +func TestContextShouldBindWithXML(t *testing.T) { + w := httptest.NewRecorder() + c, _ := CreateTestContext(w) + + c.Request, _ = http.NewRequest("POST", "/", bytes.NewBufferString(` + + FOO + BAR + `)) + c.Request.Header.Add("Content-Type", MIMEXML) // set fake content-type + + var obj struct { + Foo string `xml:"foo"` + Bar string `xml:"bar"` + } + assert.NoError(t, c.ShouldBindXML(&obj)) + assert.Equal(t, "FOO", obj.Foo) + assert.Equal(t, "BAR", obj.Bar) + assert.Equal(t, 0, w.Body.Len()) +} + func TestContextShouldBindWithQuery(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.Request, _ = http.NewRequest("POST", "/?foo=bar&bar=foo", bytes.NewBufferString("foo=unused")) + c.Request, _ = http.NewRequest("POST", "/?foo=bar&bar=foo&Foo=bar1&Bar=foo1", bytes.NewBufferString("foo=unused")) var obj struct { - Foo string `form:"foo"` - Bar string `form:"bar"` + Foo string `form:"foo"` + Bar string `form:"bar"` + Foo1 string `form:"Foo"` + Bar1 string `form:"Bar"` } assert.NoError(t, c.ShouldBindQuery(&obj)) assert.Equal(t, "foo", obj.Bar) assert.Equal(t, "bar", obj.Foo) + assert.Equal(t, "foo1", obj.Bar1) + assert.Equal(t, "bar1", obj.Foo1) + assert.Equal(t, 0, w.Body.Len()) +} + +func TestContextShouldBindWithYAML(t *testing.T) { + w := httptest.NewRecorder() + c, _ := CreateTestContext(w) + + c.Request, _ = http.NewRequest("POST", "/", bytes.NewBufferString("foo: bar\nbar: foo")) + c.Request.Header.Add("Content-Type", MIMEXML) // set fake content-type + + var obj struct { + Foo string `yaml:"foo"` + Bar string `yaml:"bar"` + } + assert.NoError(t, c.ShouldBindYAML(&obj)) + assert.Equal(t, "foo", obj.Bar) + assert.Equal(t, "bar", obj.Foo) assert.Equal(t, 0, w.Body.Len()) } @@ -1486,7 +1682,76 @@ func TestContextRenderDataFromReader(t *testing.T) { assert.Equal(t, http.StatusOK, w.Code) assert.Equal(t, body, w.Body.String()) - assert.Equal(t, contentType, w.HeaderMap.Get("Content-Type")) - assert.Equal(t, fmt.Sprintf("%d", contentLength), w.HeaderMap.Get("Content-Length")) - assert.Equal(t, extraHeaders["Content-Disposition"], w.HeaderMap.Get("Content-Disposition")) + assert.Equal(t, contentType, w.Header().Get("Content-Type")) + assert.Equal(t, fmt.Sprintf("%d", contentLength), w.Header().Get("Content-Length")) + assert.Equal(t, extraHeaders["Content-Disposition"], w.Header().Get("Content-Disposition")) +} + +type TestResponseRecorder struct { + *httptest.ResponseRecorder + closeChannel chan bool +} + +func (r *TestResponseRecorder) CloseNotify() <-chan bool { + return r.closeChannel +} + +func (r *TestResponseRecorder) closeClient() { + r.closeChannel <- true +} + +func CreateTestResponseRecorder() *TestResponseRecorder { + return &TestResponseRecorder{ + httptest.NewRecorder(), + make(chan bool, 1), + } +} + +func TestContextStream(t *testing.T) { + w := CreateTestResponseRecorder() + c, _ := CreateTestContext(w) + + stopStream := true + c.Stream(func(w io.Writer) bool { + defer func() { + stopStream = false + }() + + _, err := w.Write([]byte("test")) + assert.NoError(t, err) + + return stopStream + }) + + assert.Equal(t, "testtest", w.Body.String()) +} + +func TestContextStreamWithClientGone(t *testing.T) { + w := CreateTestResponseRecorder() + c, _ := CreateTestContext(w) + + c.Stream(func(writer io.Writer) bool { + defer func() { + w.closeClient() + }() + + _, err := writer.Write([]byte("test")) + assert.NoError(t, err) + + return true + }) + + assert.Equal(t, "test", w.Body.String()) +} + +func TestContextResetInHandler(t *testing.T) { + w := CreateTestResponseRecorder() + c, _ := CreateTestContext(w) + + c.handlers = []HandlerFunc{ + func(c *Context) { c.reset() }, + } + assert.NotPanics(t, func() { + c.Next() + }) } diff --git a/coverage.sh b/coverage.sh deleted file mode 100644 index 4d1ee036..00000000 --- a/coverage.sh +++ /dev/null @@ -1,13 +0,0 @@ -#!/usr/bin/env bash - -set -e - -echo "mode: count" > coverage.out - -for d in $(go list ./... | grep -E 'gin$|binding$|render$' | grep -v 'examples'); do - go test -v -covermode=count -coverprofile=profile.out $d - if [ -f profile.out ]; then - cat profile.out | grep -v "mode:" >> coverage.out - rm profile.out - fi -done diff --git a/debug.go b/debug.go index 897c4943..98c67cf7 100644 --- a/debug.go +++ b/debug.go @@ -6,13 +6,15 @@ package gin import ( "bytes" + "fmt" "html/template" - "log" + "os" + "runtime" + "strconv" + "strings" ) -func init() { - log.SetFlags(0) -} +const ginSupportMinGoVer = 6 // IsDebugging returns true if the framework is running in debug mode. // Use SetMode(gin.ReleaseMode) to disable debug mode. @@ -20,11 +22,18 @@ func IsDebugging() bool { return ginMode == debugCode } +// DebugPrintRouteFunc indicates debug log output format. +var DebugPrintRouteFunc func(httpMethod, absolutePath, handlerName string, nuHandlers int) + func debugPrintRoute(httpMethod, absolutePath string, handlers HandlersChain) { if IsDebugging() { nuHandlers := len(handlers) handlerName := nameOfFunction(handlers.Last()) - debugPrint("%-6s %-25s --> %s (%d handlers)\n", httpMethod, absolutePath, handlerName, nuHandlers) + if DebugPrintRouteFunc == nil { + debugPrint("%-6s %-25s --> %s (%d handlers)\n", httpMethod, absolutePath, handlerName, nuHandlers) + } else { + DebugPrintRouteFunc(httpMethod, absolutePath, handlerName, nuHandlers) + } } } @@ -42,11 +51,28 @@ func debugPrintLoadTemplate(tmpl *template.Template) { func debugPrint(format string, values ...interface{}) { if IsDebugging() { - log.Printf("[GIN-debug] "+format, values...) + if !strings.HasSuffix(format, "\n") { + format += "\n" + } + fmt.Fprintf(os.Stderr, "[GIN-debug] "+format, values...) } } +func getMinVer(v string) (uint64, error) { + first := strings.IndexByte(v, '.') + last := strings.LastIndexByte(v, '.') + if first == last { + return strconv.ParseUint(v[first+1:], 10, 64) + } + return strconv.ParseUint(v[first+1:last], 10, 64) +} + func debugPrintWARNINGDefault() { + if v, e := getMinVer(runtime.Version()); e == nil && v <= ginSupportMinGoVer { + debugPrint(`[WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon. + +`) + } debugPrint(`[WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached. `) diff --git a/debug_test.go b/debug_test.go index dfd54c82..d338f0a0 100644 --- a/debug_test.go +++ b/debug_test.go @@ -11,6 +11,8 @@ import ( "io" "log" "os" + "runtime" + "sync" "testing" "github.com/stretchr/testify/assert" @@ -30,86 +32,122 @@ func TestIsDebugging(t *testing.T) { } func TestDebugPrint(t *testing.T) { - var w bytes.Buffer - setup(&w) - defer teardown() - - SetMode(ReleaseMode) - debugPrint("DEBUG this!") - SetMode(TestMode) - debugPrint("DEBUG this!") - assert.Empty(t, w.String()) - - SetMode(DebugMode) - debugPrint("these are %d %s\n", 2, "error messages") - assert.Equal(t, "[GIN-debug] these are 2 error messages\n", w.String()) + re := captureOutput(t, func() { + SetMode(DebugMode) + SetMode(ReleaseMode) + debugPrint("DEBUG this!") + SetMode(TestMode) + debugPrint("DEBUG this!") + SetMode(DebugMode) + debugPrint("these are %d %s", 2, "error messages") + SetMode(TestMode) + }) + assert.Equal(t, "[GIN-debug] these are 2 error messages\n", re) } func TestDebugPrintError(t *testing.T) { - var w bytes.Buffer - setup(&w) - defer teardown() - - SetMode(DebugMode) - debugPrintError(nil) - assert.Empty(t, w.String()) - - debugPrintError(errors.New("this is an error")) - assert.Equal(t, "[GIN-debug] [ERROR] this is an error\n", w.String()) + re := captureOutput(t, func() { + SetMode(DebugMode) + debugPrintError(nil) + debugPrintError(errors.New("this is an error")) + SetMode(TestMode) + }) + assert.Equal(t, "[GIN-debug] [ERROR] this is an error\n", re) } func TestDebugPrintRoutes(t *testing.T) { - var w bytes.Buffer - setup(&w) - defer teardown() - - debugPrintRoute("GET", "/path/to/route/:param", HandlersChain{func(c *Context) {}, handlerNameTest}) - assert.Regexp(t, `^\[GIN-debug\] GET /path/to/route/:param --> (.*/vendor/)?github.com/gin-gonic/gin.handlerNameTest \(2 handlers\)\n$`, w.String()) + re := captureOutput(t, func() { + SetMode(DebugMode) + debugPrintRoute("GET", "/path/to/route/:param", HandlersChain{func(c *Context) {}, handlerNameTest}) + SetMode(TestMode) + }) + assert.Regexp(t, `^\[GIN-debug\] GET /path/to/route/:param --> (.*/vendor/)?github.com/gin-gonic/gin.handlerNameTest \(2 handlers\)\n$`, re) } func TestDebugPrintLoadTemplate(t *testing.T) { - var w bytes.Buffer - setup(&w) - defer teardown() - - templ := template.Must(template.New("").Delims("{[{", "}]}").ParseGlob("./fixtures/basic/hello.tmpl")) - debugPrintLoadTemplate(templ) - assert.Regexp(t, `^\[GIN-debug\] Loaded HTML Templates \(2\): \n(\t- \n|\t- hello\.tmpl\n){2}\n`, w.String()) + re := captureOutput(t, func() { + SetMode(DebugMode) + templ := template.Must(template.New("").Delims("{[{", "}]}").ParseGlob("./testdata/template/hello.tmpl")) + debugPrintLoadTemplate(templ) + SetMode(TestMode) + }) + assert.Regexp(t, `^\[GIN-debug\] Loaded HTML Templates \(2\): \n(\t- \n|\t- hello\.tmpl\n){2}\n`, re) } func TestDebugPrintWARNINGSetHTMLTemplate(t *testing.T) { - var w bytes.Buffer - setup(&w) - defer teardown() - - debugPrintWARNINGSetHTMLTemplate() - assert.Equal(t, "[GIN-debug] [WARNING] Since SetHTMLTemplate() is NOT thread-safe. It should only be called\nat initialization. ie. before any route is registered or the router is listening in a socket:\n\n\trouter := gin.Default()\n\trouter.SetHTMLTemplate(template) // << good place\n\n", w.String()) + re := captureOutput(t, func() { + SetMode(DebugMode) + debugPrintWARNINGSetHTMLTemplate() + SetMode(TestMode) + }) + assert.Equal(t, "[GIN-debug] [WARNING] Since SetHTMLTemplate() is NOT thread-safe. It should only be called\nat initialization. ie. before any route is registered or the router is listening in a socket:\n\n\trouter := gin.Default()\n\trouter.SetHTMLTemplate(template) // << good place\n\n", re) } func TestDebugPrintWARNINGDefault(t *testing.T) { - var w bytes.Buffer - setup(&w) - defer teardown() - - debugPrintWARNINGDefault() - assert.Equal(t, "[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", w.String()) + re := captureOutput(t, func() { + SetMode(DebugMode) + debugPrintWARNINGDefault() + SetMode(TestMode) + }) + m, e := getMinVer(runtime.Version()) + if e == nil && m <= ginSupportMinGoVer { + assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon.\n\n[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re) + } else { + assert.Equal(t, "[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re) + } } func TestDebugPrintWARNINGNew(t *testing.T) { - var w bytes.Buffer - setup(&w) - defer teardown() - - debugPrintWARNINGNew() - assert.Equal(t, "[GIN-debug] [WARNING] Running in \"debug\" mode. Switch to \"release\" mode in production.\n - using env:\texport GIN_MODE=release\n - using code:\tgin.SetMode(gin.ReleaseMode)\n\n", w.String()) + re := captureOutput(t, func() { + SetMode(DebugMode) + debugPrintWARNINGNew() + SetMode(TestMode) + }) + assert.Equal(t, "[GIN-debug] [WARNING] Running in \"debug\" mode. Switch to \"release\" mode in production.\n - using env:\texport GIN_MODE=release\n - using code:\tgin.SetMode(gin.ReleaseMode)\n\n", re) } -func setup(w io.Writer) { - SetMode(DebugMode) - log.SetOutput(w) +func captureOutput(t *testing.T, f func()) string { + reader, writer, err := os.Pipe() + if err != nil { + panic(err) + } + stdout := os.Stdout + stderr := os.Stderr + defer func() { + os.Stdout = stdout + os.Stderr = stderr + log.SetOutput(os.Stderr) + }() + os.Stdout = writer + os.Stderr = writer + log.SetOutput(writer) + out := make(chan string) + wg := new(sync.WaitGroup) + wg.Add(1) + go func() { + var buf bytes.Buffer + wg.Done() + _, err := io.Copy(&buf, reader) + assert.NoError(t, err) + out <- buf.String() + }() + wg.Wait() + f() + writer.Close() + return <-out } -func teardown() { - SetMode(TestMode) - log.SetOutput(os.Stdout) +func TestGetMinVer(t *testing.T) { + var m uint64 + var e error + _, e = getMinVer("go1") + assert.NotNil(t, e) + m, e = getMinVer("go1.1") + assert.Equal(t, uint64(1), m) + assert.Nil(t, e) + m, e = getMinVer("go1.1.1") + assert.Nil(t, e) + assert.Equal(t, uint64(1), m) + _, e = getMinVer("go1.1.1.1") + assert.NotNil(t, e) } diff --git a/deprecated_test.go b/deprecated_test.go index 7a875fe4..f8df651c 100644 --- a/deprecated_test.go +++ b/deprecated_test.go @@ -24,7 +24,9 @@ func TestBindWith(t *testing.T) { Foo string `form:"foo"` Bar string `form:"bar"` } - assert.NoError(t, c.BindWith(&obj, binding.Form)) + captureOutput(t, func() { + assert.NoError(t, c.BindWith(&obj, binding.Form)) + }) assert.Equal(t, "foo", obj.Bar) assert.Equal(t, "bar", obj.Foo) assert.Equal(t, 0, w.Body.Len()) diff --git a/docs/how-to-build-an-effective-middleware.md b/docs/how-to-build-an-effective-middleware.md new file mode 100644 index 00000000..568d5720 --- /dev/null +++ b/docs/how-to-build-an-effective-middleware.md @@ -0,0 +1,137 @@ +# How to build one effective middleware? + +## Consitituent part + +The middleware has two parts: + + - part one is what is executed once, when you initialize your middleware. That's where you set up all the global objects, logicals etc. Everything that happens one per application lifetime. + + - part two is what executes on every request. For example, a database middleware you simply inject your "global" database object into the context. Once it's inside the context, you can retrieve it from within other middlewares and your handler function. + +```go +func funcName(params string) gin.HandlerFunc { + // <--- + // This is part one + // ---> + // The follow code is an example + if err := check(params); err != nil { + panic(err) + } + + return func(c *gin.Context) { + // <--- + // This is part two + // ---> + // The follow code is an example + c.Set("TestVar", params) + c.Next() + } +} +``` + +## Execution process + +Firstly, we have the follow example code: + +```go +func main() { + router := gin.Default() + + router.Use(globalMiddleware()) + + router.GET("/rest/n/api/*some", mid1(), mid2(), handler) + + router.Run() +} + +func globalMiddleware() gin.HandlerFunc { + fmt.Println("globalMiddleware...1") + + return func(c *gin.Context) { + fmt.Println("globalMiddleware...2") + c.Next() + fmt.Println("globalMiddleware...3") + } +} + +func handler(c *gin.Context) { + fmt.Println("exec handler.") +} + +func mid1() gin.HandlerFunc { + fmt.Println("mid1...1") + + return func(c *gin.Context) { + + fmt.Println("mid1...2") + c.Next() + fmt.Println("mid1...3") + } +} + +func mid2() gin.HandlerFunc { + fmt.Println("mid2...1") + + return func(c *gin.Context) { + fmt.Println("mid2...2") + c.Next() + fmt.Println("mid2...3") + } +} +``` + +According to [Consitituent part](#consitituent-part) said, when we run the gin process, **part one** will execute firstly and will print the follow information: + +```go +globalMiddleware...1 +mid1...1 +mid2...1 +``` + +And init order are: + +```go +globalMiddleware...1 + | + v +mid1...1 + | + v +mid2...1 +``` + +When we curl one request `curl -v localhost:8080/rest/n/api/some`, **part two** will execute their middleware and output the following information: + +```go +globalMiddleware...2 +mid1...2 +mid2...2 +exec handler. +mid2...3 +mid1...3 +globalMiddleware...3 +``` + +In other words, run order are: + +```go +globalMiddleware...2 + | + v +mid1...2 + | + v +mid2...2 + | + v +exec handler. + | + v +mid2...3 + | + v +mid1...3 + | + v +globalMiddleware...3 +``` diff --git a/errors.go b/errors.go index dbfccd85..ab13ca61 100644 --- a/errors.go +++ b/errors.go @@ -9,21 +9,28 @@ import ( "fmt" "reflect" - "github.com/gin-gonic/gin/json" + "github.com/gin-gonic/gin/internal/json" ) +// ErrorType is an unsigned 64-bit error code as defined in the gin spec. type ErrorType uint64 const ( - ErrorTypeBind ErrorType = 1 << 63 // used when c.Bind() fails - ErrorTypeRender ErrorType = 1 << 62 // used when c.Render() fails + // ErrorTypeBind is used when Context.Bind() fails. + ErrorTypeBind ErrorType = 1 << 63 + // ErrorTypeRender is used when Context.Render() fails. + ErrorTypeRender ErrorType = 1 << 62 + // ErrorTypePrivate indicates a private error. ErrorTypePrivate ErrorType = 1 << 0 - ErrorTypePublic ErrorType = 1 << 1 - + // ErrorTypePublic indicates a public error. + ErrorTypePublic ErrorType = 1 << 1 + // ErrorTypeAny indicates any other error. ErrorTypeAny ErrorType = 1<<64 - 1 - ErrorTypeNu = 2 + // ErrorTypeNu indicates any other error. + ErrorTypeNu = 2 ) +// Error represents a error's specification. type Error struct { Err error Type ErrorType @@ -34,16 +41,19 @@ type errorMsgs []*Error var _ error = &Error{} +// SetType sets the error's type. func (msg *Error) SetType(flags ErrorType) *Error { msg.Type = flags return msg } +// SetMeta sets the error's meta data. func (msg *Error) SetMeta(data interface{}) *Error { msg.Meta = data return msg } +// JSON creates a properly formated JSON func (msg *Error) JSON() interface{} { json := H{} if msg.Meta != nil { @@ -70,11 +80,12 @@ func (msg *Error) MarshalJSON() ([]byte, error) { return json.Marshal(msg.JSON()) } -// Error implements the error interface +// Error implements the error interface. func (msg Error) Error() string { return msg.Err.Error() } +// IsType judges one error. func (msg *Error) IsType(flags ErrorType) bool { return (msg.Type & flags) > 0 } @@ -138,6 +149,7 @@ func (a errorMsgs) JSON() interface{} { } } +// MarshalJSON implements the json.Marshaller interface. func (a errorMsgs) MarshalJSON() ([]byte, error) { return json.Marshal(a.JSON()) } diff --git a/errors_test.go b/errors_test.go index a666d7c1..6aae1c10 100644 --- a/errors_test.go +++ b/errors_test.go @@ -8,7 +8,7 @@ import ( "errors" "testing" - "github.com/gin-gonic/gin/json" + "github.com/gin-gonic/gin/internal/json" "github.com/stretchr/testify/assert" ) @@ -19,47 +19,47 @@ func TestError(t *testing.T) { Type: ErrorTypePrivate, } assert.Equal(t, err.Error(), baseError.Error()) - assert.Equal(t, err.JSON(), H{"error": baseError.Error()}) + assert.Equal(t, H{"error": baseError.Error()}, err.JSON()) assert.Equal(t, err.SetType(ErrorTypePublic), err) - assert.Equal(t, err.Type, ErrorTypePublic) + assert.Equal(t, ErrorTypePublic, err.Type) assert.Equal(t, err.SetMeta("some data"), err) - assert.Equal(t, err.Meta, "some data") - assert.Equal(t, err.JSON(), H{ + assert.Equal(t, "some data", err.Meta) + assert.Equal(t, H{ "error": baseError.Error(), "meta": "some data", - }) + }, err.JSON()) jsonBytes, _ := json.Marshal(err) assert.Equal(t, "{\"error\":\"test error\",\"meta\":\"some data\"}", string(jsonBytes)) - err.SetMeta(H{ + err.SetMeta(H{ // nolint: errcheck "status": "200", "data": "some data", }) - assert.Equal(t, err.JSON(), H{ + assert.Equal(t, H{ "error": baseError.Error(), "status": "200", "data": "some data", - }) + }, err.JSON()) - err.SetMeta(H{ + err.SetMeta(H{ // nolint: errcheck "error": "custom error", "status": "200", "data": "some data", }) - assert.Equal(t, err.JSON(), H{ + assert.Equal(t, H{ "error": "custom error", "status": "200", "data": "some data", - }) + }, err.JSON()) type customError struct { status string data string } - err.SetMeta(customError{status: "200", data: "other data"}) + err.SetMeta(customError{status: "200", data: "other data"}) // nolint: errcheck assert.Equal(t, customError{status: "200", data: "other data"}, err.JSON()) } diff --git a/examples/basic/main.go b/examples/basic/main.go index 473c6a09..1c9e0ac4 100644 --- a/examples/basic/main.go +++ b/examples/basic/main.go @@ -1,10 +1,12 @@ package main import ( + "net/http" + "github.com/gin-gonic/gin" ) -var DB = make(map[string]string) +var db = make(map[string]string) func setupRouter() *gin.Engine { // Disable Console Color @@ -13,17 +15,17 @@ func setupRouter() *gin.Engine { // Ping test r.GET("/ping", func(c *gin.Context) { - c.String(200, "pong") + c.String(http.StatusOK, "pong") }) // Get user value r.GET("/user/:name", func(c *gin.Context) { user := c.Params.ByName("name") - value, ok := DB[user] + value, ok := db[user] if ok { - c.JSON(200, gin.H{"user": user, "value": value}) + c.JSON(http.StatusOK, gin.H{"user": user, "value": value}) } else { - c.JSON(200, gin.H{"user": user, "status": "no value"}) + c.JSON(http.StatusOK, gin.H{"user": user, "status": "no value"}) } }) @@ -48,8 +50,8 @@ func setupRouter() *gin.Engine { } if c.Bind(&json) == nil { - DB[user] = json.Value - c.JSON(200, gin.H{"status": "ok"}) + db[user] = json.Value + c.JSON(http.StatusOK, gin.H{"status": "ok"}) } }) diff --git a/examples/basic/main_test.go b/examples/basic/main_test.go index 61203d66..5eb85240 100644 --- a/examples/basic/main_test.go +++ b/examples/basic/main_test.go @@ -15,6 +15,6 @@ func TestPingRoute(t *testing.T) { req, _ := http.NewRequest("GET", "/ping", nil) router.ServeHTTP(w, req) - assert.Equal(t, 200, w.Code) + assert.Equal(t, http.StatusOK, w.Code) assert.Equal(t, "pong", w.Body.String()) } diff --git a/examples/custom-validation/server.go b/examples/custom-validation/server.go index dea0c302..9238200b 100644 --- a/examples/custom-validation/server.go +++ b/examples/custom-validation/server.go @@ -10,6 +10,7 @@ import ( "gopkg.in/go-playground/validator.v8" ) +// Booking contains binded and validated data. type Booking struct { CheckIn time.Time `form:"check_in" binding:"required,bookabledate" time_format:"2006-01-02"` CheckOut time.Time `form:"check_out" binding:"required,gtfield=CheckIn" time_format:"2006-01-02"` diff --git a/examples/favicon/main.go b/examples/favicon/main.go index 5ad39331..d32ca098 100644 --- a/examples/favicon/main.go +++ b/examples/favicon/main.go @@ -1,6 +1,8 @@ package main import ( + "net/http" + "github.com/gin-gonic/gin" "github.com/thinkerou/favicon" ) @@ -9,7 +11,7 @@ func main() { app := gin.Default() app.Use(favicon.New("./favicon.ico")) app.GET("/ping", func(c *gin.Context) { - c.String(200, "Hello favicon.") + c.String(http.StatusOK, "Hello favicon.") }) app.Run(":8080") } diff --git a/examples/graceful-shutdown/graceful-shutdown/server.go b/examples/graceful-shutdown/graceful-shutdown/server.go index af4f2146..999a209e 100644 --- a/examples/graceful-shutdown/graceful-shutdown/server.go +++ b/examples/graceful-shutdown/graceful-shutdown/server.go @@ -8,6 +8,7 @@ import ( "net/http" "os" "os/signal" + "syscall" "time" "github.com/gin-gonic/gin" @@ -35,7 +36,10 @@ func main() { // Wait for interrupt signal to gracefully shutdown the server with // a timeout of 5 seconds. quit := make(chan os.Signal) - signal.Notify(quit, os.Interrupt) + // kill (no param) default send syscanll.SIGTERM + // kill -2 is syscall.SIGINT + // kill -9 is syscall. SIGKILL but can"t be catch, so don't need add it + signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM) <-quit log.Println("Shutdown Server ...") @@ -44,5 +48,10 @@ func main() { if err := srv.Shutdown(ctx); err != nil { log.Fatal("Server Shutdown:", err) } + // catching ctx.Done(). timeout of 5 seconds. + select { + case <-ctx.Done(): + log.Println("timeout of 5 seconds.") + } log.Println("Server exiting") } diff --git a/examples/grpc/gin/main.go b/examples/grpc/gin/main.go index edc1ca9b..820e65a3 100644 --- a/examples/grpc/gin/main.go +++ b/examples/grpc/gin/main.go @@ -19,7 +19,7 @@ func main() { defer conn.Close() client := pb.NewGreeterClient(conn) - // Set up a http setver. + // Set up a http server. r := gin.Default() r.GET("/rest/n/:name", func(c *gin.Context) { name := c.Param("name") diff --git a/examples/http2/main.go b/examples/http2/main.go index 07df01e2..6598a4c9 100644 --- a/examples/http2/main.go +++ b/examples/http2/main.go @@ -3,6 +3,7 @@ package main import ( "html/template" "log" + "net/http" "os" "github.com/gin-gonic/gin" @@ -27,7 +28,7 @@ func main() { r.SetHTMLTemplate(html) r.GET("/welcome", func(c *gin.Context) { - c.HTML(200, "https", gin.H{ + c.HTML(http.StatusOK, "https", gin.H{ "status": "success", }) }) diff --git a/examples/new_relic/README.md b/examples/new_relic/README.md new file mode 100644 index 00000000..70f14942 --- /dev/null +++ b/examples/new_relic/README.md @@ -0,0 +1,30 @@ +The [New Relic Go Agent](https://github.com/newrelic/go-agent) provides a nice middleware for the stdlib handler signature. +The following is an adaptation of that middleware for Gin. + +```golang +const ( + // NewRelicTxnKey is the key used to retrieve the NewRelic Transaction from the context + NewRelicTxnKey = "NewRelicTxnKey" +) + +// NewRelicMonitoring is a middleware that starts a newrelic transaction, stores it in the context, then calls the next handler +func NewRelicMonitoring(app newrelic.Application) gin.HandlerFunc { + return func(ctx *gin.Context) { + txn := app.StartTransaction(ctx.Request.URL.Path, ctx.Writer, ctx.Request) + defer txn.End() + ctx.Set(NewRelicTxnKey, txn) + ctx.Next() + } +} +``` +and in `main.go` or equivalent... +```golang +router := gin.Default() +cfg := newrelic.NewConfig(os.Getenv("APP_NAME"), os.Getenv("NEW_RELIC_API_KEY")) +app, err := newrelic.NewApplication(cfg) +if err != nil { + log.Printf("failed to make new_relic app: %v", err) +} else { + router.Use(adapters.NewRelicMonitoring(app)) +} + ``` diff --git a/examples/new_relic/main.go b/examples/new_relic/main.go new file mode 100644 index 00000000..f85f7831 --- /dev/null +++ b/examples/new_relic/main.go @@ -0,0 +1,42 @@ +package main + +import ( + "log" + "net/http" + "os" + + "github.com/gin-gonic/gin" + "github.com/newrelic/go-agent" +) + +const ( + // NewRelicTxnKey is the key used to retrieve the NewRelic Transaction from the context + NewRelicTxnKey = "NewRelicTxnKey" +) + +// NewRelicMonitoring is a middleware that starts a newrelic transaction, stores it in the context, then calls the next handler +func NewRelicMonitoring(app newrelic.Application) gin.HandlerFunc { + return func(ctx *gin.Context) { + txn := app.StartTransaction(ctx.Request.URL.Path, ctx.Writer, ctx.Request) + defer txn.End() + ctx.Set(NewRelicTxnKey, txn) + ctx.Next() + } +} + +func main() { + router := gin.Default() + + cfg := newrelic.NewConfig(os.Getenv("APP_NAME"), os.Getenv("NEW_RELIC_API_KEY")) + app, err := newrelic.NewApplication(cfg) + if err != nil { + log.Printf("failed to make new_relic app: %v", err) + } else { + router.Use(NewRelicMonitoring(app)) + } + + router.GET("/", func(c *gin.Context) { + c.String(http.StatusOK, "Hello World!\n") + }) + router.Run() +} diff --git a/examples/realtime-advanced/main.go b/examples/realtime-advanced/main.go index 1f3c8585..f3ead476 100644 --- a/examples/realtime-advanced/main.go +++ b/examples/realtime-advanced/main.go @@ -13,16 +13,19 @@ func main() { StartGin() } +// ConfigRuntime sets the number of operating system threads. func ConfigRuntime() { nuCPU := runtime.NumCPU() runtime.GOMAXPROCS(nuCPU) fmt.Printf("Running with %d CPUs\n", nuCPU) } +// StartWorkers start starsWorker by goroutine. func StartWorkers() { go statsWorker() } +// StartGin starts gin web server with setting router. func StartGin() { gin.SetMode(gin.ReleaseMode) diff --git a/examples/realtime-advanced/resources/room_login.templ.html b/examples/realtime-advanced/resources/room_login.templ.html index 27dac387..905c012f 100644 --- a/examples/realtime-advanced/resources/room_login.templ.html +++ b/examples/realtime-advanced/resources/room_login.templ.html @@ -1,4 +1,4 @@ - + @@ -20,9 +20,9 @@ - + -