mirror of https://github.com/gin-gonic/gin.git
115 lines
2.8 KiB
Go
115 lines
2.8 KiB
Go
// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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// +build go1.7
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package gin
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import (
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"bytes"
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"net"
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"net/http"
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"os"
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"syscall"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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// TestPanicInHandler assert that panic has been recovered.
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func TestPanicInHandler(t *testing.T) {
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buffer := new(bytes.Buffer)
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router := New()
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router.Use(RecoveryWithWriter(buffer))
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router.GET("/recovery", func(_ *Context) {
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panic("Oupps, Houston, we have a problem")
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})
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// RUN
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w := performRequest(router, "GET", "/recovery")
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// TEST
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assert.Equal(t, http.StatusInternalServerError, w.Code)
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assert.Contains(t, buffer.String(), "panic recovered")
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assert.Contains(t, buffer.String(), "Oupps, Houston, we have a problem")
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assert.Contains(t, buffer.String(), "TestPanicInHandler")
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assert.NotContains(t, buffer.String(), "GET /recovery")
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// Debug mode prints the request
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SetMode(DebugMode)
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// RUN
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w = performRequest(router, "GET", "/recovery")
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// TEST
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assert.Equal(t, http.StatusInternalServerError, w.Code)
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assert.Contains(t, buffer.String(), "GET /recovery")
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}
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// TestPanicWithAbort assert that panic has been recovered even if context.Abort was used.
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func TestPanicWithAbort(t *testing.T) {
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router := New()
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router.Use(RecoveryWithWriter(nil))
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router.GET("/recovery", func(c *Context) {
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c.AbortWithStatus(http.StatusBadRequest)
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panic("Oupps, Houston, we have a problem")
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})
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// RUN
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w := performRequest(router, "GET", "/recovery")
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// TEST
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assert.Equal(t, http.StatusBadRequest, w.Code)
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}
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func TestSource(t *testing.T) {
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bs := source(nil, 0)
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assert.Equal(t, []byte("???"), bs)
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in := [][]byte{
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[]byte("Hello world."),
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[]byte("Hi, gin.."),
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}
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bs = source(in, 10)
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assert.Equal(t, []byte("???"), bs)
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bs = source(in, 1)
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assert.Equal(t, []byte("Hello world."), bs)
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}
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func TestFunction(t *testing.T) {
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bs := function(1)
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assert.Equal(t, []byte("???"), bs)
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}
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// TestPanicWithBrokenPipe asserts that recovery specifically handles
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// writing responses to broken pipes
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func TestPanicWithBrokenPipe(t *testing.T) {
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const expectCode = 204
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expectMsgs := map[syscall.Errno]string{
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syscall.EPIPE: "broken pipe",
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syscall.ECONNRESET: "connection reset",
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}
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for errno, expectMsg := range expectMsgs {
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t.Run(expectMsg, func(t *testing.T) {
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var buf bytes.Buffer
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router := New()
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router.Use(RecoveryWithWriter(&buf))
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router.GET("/recovery", func(c *Context) {
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// Start writing response
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c.Header("X-Test", "Value")
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c.Status(expectCode)
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// Oops. Client connection closed
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e := &net.OpError{Err: &os.SyscallError{Err: errno}}
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panic(e)
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})
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// RUN
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w := performRequest(router, "GET", "/recovery")
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// TEST
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assert.Equal(t, expectCode, w.Code)
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assert.Contains(t, buf.String(), expectMsg)
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})
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}
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}
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