Merge branch 'master' into master

.travis.yml

@@ -7,6 +7,11 @@ go:
   - 1.9.x
   - 1.10.x
   - 1.11.x
+  - master
+
+matrix:
+  allow_failures:
+    - go: master
 
 git:
   depth: 10

README.md

@@ -58,6 +58,7 @@ 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)
 - [Testing](#testing)
 - [Users](#users)
 
@@ -1836,6 +1837,49 @@ 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()
+}
+```
+
+
 ## Testing
 
 The `net/http/httptest` package is preferable way for HTTP testing.

context_test.go

@@ -784,14 +784,14 @@ 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}}`))
+	re := captureOutput(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(http.StatusCreated, "t", H{"name": "alexandernyquist"})
 

debug.go

@@ -6,25 +6,28 @@ package gin
 
 import (
 	"bytes"
+	"fmt"
 	"html/template"
-	"log"
 )
 
-func init() {
-	log.SetFlags(0)
-}
-
 // IsDebugging returns true if the framework is running in debug mode.
 // Use SetMode(gin.ReleaseMode) to disable debug mode.
 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())
+		if DebugPrintRouteFunc == nil {
 			debugPrint("%-6s %-25s --> %s (%d handlers)\n", httpMethod, absolutePath, handlerName, nuHandlers)
+		} else {
+			DebugPrintRouteFunc(httpMethod, absolutePath, handlerName, nuHandlers)
+		}
 	}
 }
 
@@ -42,7 +45,7 @@ func debugPrintLoadTemplate(tmpl *template.Template) {
 
 func debugPrint(format string, values ...interface{}) {
 	if IsDebugging() {
-		log.Printf("[GIN-debug] "+format, values...)
+		fmt.Printf("[GIN-debug] "+format, values...)
 	}
 }
 

debug_test.go

@@ -11,6 +11,7 @@ import (
 	"io"
 	"log"
 	"os"
+	"sync"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -30,86 +31,101 @@ func TestIsDebugging(t *testing.T) {
 }
 
 func TestDebugPrint(t *testing.T) {
-	var w bytes.Buffer
+	re := captureOutput(func() {
-	setup(&w)
+		SetMode(DebugMode)
-	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())
+		SetMode(TestMode)
+	})
+	assert.Equal(t, "[GIN-debug] these are 2 error messages\n", re)
 }
 
 func TestDebugPrintError(t *testing.T) {
-	var w bytes.Buffer
+	re := captureOutput(func() {
-	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())
+		SetMode(TestMode)
+	})
+	assert.Equal(t, "[GIN-debug] [ERROR] this is an error\n", re)
 }
 
 func TestDebugPrintRoutes(t *testing.T) {
-	var w bytes.Buffer
+	re := captureOutput(func() {
-	setup(&w)
+		SetMode(DebugMode)
-	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())
+		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
+	re := captureOutput(func() {
-	setup(&w)
+		SetMode(DebugMode)
-	defer teardown()
-
 		templ := template.Must(template.New("").Delims("{[{", "}]}").ParseGlob("./testdata/template/hello.tmpl"))
 		debugPrintLoadTemplate(templ)
-	assert.Regexp(t, `^\[GIN-debug\] Loaded HTML Templates \(2\): \n(\t- \n|\t- hello\.tmpl\n){2}\n`, w.String())
+		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
+	re := captureOutput(func() {
-	setup(&w)
+		SetMode(DebugMode)
-	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())
+		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
+	re := captureOutput(func() {
-	setup(&w)
+		SetMode(DebugMode)
-	defer teardown()
-
 		debugPrintWARNINGDefault()
-	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", w.String())
+		SetMode(TestMode)
+	})
+	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)
 }
 
 func TestDebugPrintWARNINGNew(t *testing.T) {
-	var w bytes.Buffer
+	re := captureOutput(func() {
-	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())
-}
-
-func setup(w io.Writer) {
 		SetMode(DebugMode)
-	log.SetOutput(w)
+		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 teardown() {
+func captureOutput(f func()) string {
-	SetMode(TestMode)
+	reader, writer, err := os.Pipe()
-	log.SetOutput(os.Stdout)
+	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()
+		io.Copy(&buf, reader)
+		out <- buf.String()
+	}()
+	wg.Wait()
+	f()
+	writer.Close()
+	return <-out
 }

gin.go

@@ -14,11 +14,7 @@ import (
 	"github.com/gin-gonic/gin/render"
 )
 
-const (
+const defaultMultipartMemory = 32 << 20 // 32 MB
-	// Version is Framework's version.
-	Version                = "v1.3.0"
-	defaultMultipartMemory = 32 << 20 // 32 MB
-)
 
 var (
 	default404Body   = []byte("404 page not found")

go.mod

@@ -0,0 +1,27 @@
+module github.com/gin-gonic/gin
+
+require (
+	github.com/davecgh/go-spew v0.0.0-20180221232628-8991bc29aa16 // indirect
+	github.com/dustin/go-broadcast v0.0.0-20171205050544-f664265f5a66
+	github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7
+	github.com/gin-gonic/autotls v0.0.0-20180426091246-be87bd5ef97b
+	github.com/golang/protobuf v1.2.0
+	github.com/jessevdk/go-assets v0.0.0-20160921144138-4f4301a06e15
+	github.com/json-iterator/go v0.0.0-20180806060727-1624edc4454b
+	github.com/manucorporat/stats v0.0.0-20180402194714-3ba42d56d227
+	github.com/mattn/go-isatty v0.0.3
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/testify v1.2.2
+	github.com/thinkerou/favicon v0.0.0-20170710140520-94a442a49da6
+	github.com/ugorji/go v1.1.1
+	golang.org/x/crypto v0.0.0-20180910181607-0e37d006457b
+	golang.org/x/net v0.0.0-20180826012351-8a410e7b638d
+	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f
+	golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e // indirect
+	google.golang.org/grpc v1.15.0
+	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
+	gopkg.in/go-playground/validator.v8 v8.18.2
+	gopkg.in/yaml.v2 v2.2.1
+)

go.sum

@@ -0,0 +1,65 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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+github.com/davecgh/go-spew v0.0.0-20180221232628-8991bc29aa16/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dustin/go-broadcast v0.0.0-20171205050544-f664265f5a66 h1:QnnoVdChKs+GeTvN4rPYTW6b5U6M3HMEvQ/+x4IGtfY=
+github.com/dustin/go-broadcast v0.0.0-20171205050544-f664265f5a66/go.mod h1:kTEh6M2J/mh7nsskr28alwLCXm/DSG5OSA/o31yy2XU=
+github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7 h1:AzN37oI0cOS+cougNAV9szl6CVoj2RYwzS3DpUQNtlY=
+github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s=
+github.com/gin-gonic/autotls v0.0.0-20180426091246-be87bd5ef97b h1:dm/NYytoj7p8Jc6zMvyRz3PCQrTTCXnVRvEzyBcM890=
+github.com/gin-gonic/autotls v0.0.0-20180426091246-be87bd5ef97b/go.mod h1:vwfeXwKgEIWq63oVfwaBjoByS4dZzYbHHROHjV4IjNY=
+github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
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+google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 h1:Nw54tB0rB7hY/N0NQvRW8DG4Yk3Q6T9cu9RcFQDu1tc=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/grpc v1.15.0 h1:Az/KuahOM4NAidTEuJCv/RonAA7rYsTPkqXVjr+8OOw=
+google.golang.org/grpc v1.15.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
+gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
+gopkg.in/go-playground/validator.v8 v8.18.2 h1:lFB4DoMU6B626w8ny76MV7VX6W2VHct2GVOI3xgiMrQ=
+gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
+gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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routergroup.go

@@ -17,7 +17,7 @@ type IRouter interface {
 	Group(string, ...HandlerFunc) *RouterGroup
 }
 
-// Iroutes defins all router handle interface.
+// IRoutes defines all router handle interface.
 type IRoutes interface {
 	Use(...HandlerFunc) IRoutes
 

version.go

@@ -0,0 +1,8 @@
+// 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 gin
+
+// Version is the current gin framework's version.
+const Version = "v1.4.0-dev"