gin/test_helpers_test.go
Abhiyan Khanal 3f607b8662 fix(test): use stdlib constants for HTTP methods in test helpers
Replace string literals with http.Method* constants to satisfy
the usestdlibvars linter.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-08 19:09:51 +05:45

102 lines
2.6 KiB
Go

// Copyright 2017 Manu Martinez-Almeida. 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
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
)
func TestRunTestHandlerFlushesStatusCode(t *testing.T) {
tests := []struct {
name string
statusCode int
}{
{"201 Created", http.StatusCreated},
{"204 No Content", http.StatusNoContent},
{"400 Bad Request", http.StatusBadRequest},
{"404 Not Found", http.StatusNotFound},
{"500 Internal Server Error", http.StatusInternalServerError},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodGet, "/", nil)
code := tt.statusCode
c := RunTestHandler(w, req, func(c *Context) {
c.Status(code)
})
assert.Equal(t, code, w.Code)
assert.Equal(t, code, c.Writer.Status())
})
}
}
func TestRunTestHandlerMultipleHandlers(t *testing.T) {
w := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodPost, "/resource", nil)
callOrder := []string{}
middleware := func(c *Context) {
callOrder = append(callOrder, "middleware")
c.Next()
}
handler := func(c *Context) {
callOrder = append(callOrder, "handler")
c.Status(http.StatusCreated)
}
c := RunTestHandler(w, req, middleware, handler)
assert.Equal(t, http.StatusCreated, w.Code)
assert.Equal(t, http.StatusCreated, c.Writer.Status())
assert.Equal(t, []string{"middleware", "handler"}, callOrder)
}
func TestRunTestHandlerDefaultStatus(t *testing.T) {
w := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodGet, "/", nil)
RunTestHandler(w, req, func(c *Context) {
// Handler that does not set a status explicitly.
})
assert.Equal(t, http.StatusOK, w.Code)
}
func TestRunTestHandlerSetsRequest(t *testing.T) {
w := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodPut, "/items/42", nil)
c := RunTestHandler(w, req, func(c *Context) {
c.Status(http.StatusOK)
})
assert.Equal(t, req, c.Request)
}
func TestCreateTestContextBackwardCompatible(t *testing.T) {
// Verify that CreateTestContext still behaves the same way:
// status is stored internally but NOT flushed to the ResponseRecorder.
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Status(http.StatusCreated)
// The internal status should be set.
assert.Equal(t, http.StatusCreated, c.Writer.Status())
// But w.Code should still be the default 200 because WriteHeaderNow
// was never called. This confirms backward compatibility.
assert.Equal(t, http.StatusOK, w.Code)
}