mirror of https://github.com/gin-gonic/gin.git
322 lines
9.9 KiB
Go
322 lines
9.9 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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package gin
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import (
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"bytes"
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"errors"
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"html/template"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/gin-gonic/gin/binding"
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"github.com/julienschmidt/httprouter"
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"github.com/stretchr/testify/assert"
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)
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func createTestContext() (c *Context, w *httptest.ResponseRecorder, r *Engine) {
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w = httptest.NewRecorder()
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r = New()
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c = r.allocateContext()
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c.reset()
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c.writermem.reset(w)
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return
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}
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func TestContextReset(t *testing.T) {
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router := New()
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c := router.allocateContext()
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assert.Equal(t, c.Engine, router)
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c.index = 2
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c.Writer = &responseWriter{ResponseWriter: httptest.NewRecorder()}
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c.Params = httprouter.Params{httprouter.Param{}}
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c.Error(errors.New("test"), nil)
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c.Set("foo", "bar")
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c.reset()
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assert.False(t, c.IsAborted())
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assert.Nil(t, c.Keys)
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assert.Nil(t, c.Accepted)
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assert.Len(t, c.Errors, 0)
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assert.Len(t, c.Params, 0)
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assert.Equal(t, c.index, -1)
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assert.Equal(t, c.Writer.(*responseWriter), &c.writermem)
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}
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// TestContextSetGet tests that a parameter is set correctly on the
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// current context and can be retrieved using Get.
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func TestContextSetGet(t *testing.T) {
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c, _, _ := createTestContext()
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c.Set("foo", "bar")
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value, err := c.Get("foo")
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assert.Equal(t, value, "bar")
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assert.True(t, err)
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value, err = c.Get("foo2")
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assert.Nil(t, value)
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assert.False(t, err)
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assert.Equal(t, c.MustGet("foo"), "bar")
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assert.Panics(t, func() { c.MustGet("no_exist") })
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}
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// Tests that the response is serialized as JSON
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// and Content-Type is set to application/json
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func TestContextRenderJSON(t *testing.T) {
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c, w, _ := createTestContext()
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c.JSON(201, H{"foo": "bar"})
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assert.Equal(t, w.Code, 201)
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assert.Equal(t, w.Body.String(), "{\"foo\":\"bar\"}\n")
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assert.Equal(t, w.HeaderMap.Get("Content-Type"), "application/json; charset=utf-8")
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}
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// Tests that the response executes the templates
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// and responds with Content-Type set to text/html
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func TestContextRenderHTML(t *testing.T) {
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c, w, router := createTestContext()
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templ, _ := template.New("t").Parse(`Hello {{.name}}`)
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router.SetHTMLTemplate(templ)
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c.HTML(201, "t", H{"name": "alexandernyquist"})
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assert.Equal(t, w.Code, 201)
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assert.Equal(t, w.Body.String(), "Hello alexandernyquist")
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assert.Equal(t, w.HeaderMap.Get("Content-Type"), "text/html; charset=utf-8")
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}
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// TestContextXML tests that the response is serialized as XML
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// and Content-Type is set to application/xml
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func TestContextRenderXML(t *testing.T) {
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c, w, _ := createTestContext()
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c.XML(201, H{"foo": "bar"})
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assert.Equal(t, w.Code, 201)
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assert.Equal(t, w.Body.String(), "<map><foo>bar</foo></map>")
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assert.Equal(t, w.HeaderMap.Get("Content-Type"), "application/xml; charset=utf-8")
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}
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// TestContextString tests that the response is returned
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// with Content-Type set to text/plain
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func TestContextRenderString(t *testing.T) {
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c, w, _ := createTestContext()
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c.String(201, "test %s %d", "string", 2)
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assert.Equal(t, w.Code, 201)
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assert.Equal(t, w.Body.String(), "test string 2")
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assert.Equal(t, w.HeaderMap.Get("Content-Type"), "text/plain; charset=utf-8")
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}
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// TestContextString tests that the response is returned
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// with Content-Type set to text/html
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func TestContextRenderHTMLString(t *testing.T) {
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c, w, _ := createTestContext()
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c.HTMLString(201, "<html>%s %d</html>", "string", 3)
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assert.Equal(t, w.Code, 201)
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assert.Equal(t, w.Body.String(), "<html>string 3</html>")
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assert.Equal(t, w.HeaderMap.Get("Content-Type"), "text/html; charset=utf-8")
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}
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// TestContextData tests that the response can be written from `bytesting`
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// with specified MIME type
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func TestContextRenderData(t *testing.T) {
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c, w, _ := createTestContext()
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c.Data(201, "text/csv", []byte(`foo,bar`))
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assert.Equal(t, w.Code, 201)
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assert.Equal(t, w.Body.String(), "foo,bar")
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assert.Equal(t, w.HeaderMap.Get("Content-Type"), "text/csv")
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}
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// TODO
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func TestContextRenderRedirectWithRelativePath(t *testing.T) {
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c, w, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "http://example.com", nil)
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assert.Panics(t, func() { c.Redirect(299, "/new_path") })
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assert.Panics(t, func() { c.Redirect(309, "/new_path") })
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c.Redirect(302, "/path")
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c.Writer.WriteHeaderNow()
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assert.Equal(t, w.Code, 302)
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assert.Equal(t, w.Header().Get("Location"), "/path")
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}
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func TestContextRenderRedirectWithAbsolutePath(t *testing.T) {
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c, w, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "http://example.com", nil)
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c.Redirect(302, "http://google.com")
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c.Writer.WriteHeaderNow()
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assert.Equal(t, w.Code, 302)
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assert.Equal(t, w.Header().Get("Location"), "http://google.com")
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}
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func TestContextNegotiationFormat(t *testing.T) {
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c, _, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "", nil)
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assert.Equal(t, c.NegotiateFormat(MIMEJSON, MIMEXML), MIMEJSON)
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assert.Equal(t, c.NegotiateFormat(MIMEHTML, MIMEJSON), MIMEHTML)
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}
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func TestContextNegotiationFormatWithAccept(t *testing.T) {
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c, _, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "", nil)
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c.Request.Header.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
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assert.Equal(t, c.NegotiateFormat(MIMEJSON, MIMEXML), MIMEXML)
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assert.Equal(t, c.NegotiateFormat(MIMEXML, MIMEHTML), MIMEHTML)
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assert.Equal(t, c.NegotiateFormat(MIMEJSON), "")
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}
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func TestContextNegotiationFormatCustum(t *testing.T) {
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c, _, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "", nil)
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c.Request.Header.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
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c.Accepted = nil
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c.SetAccepted(MIMEJSON, MIMEXML)
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assert.Equal(t, c.NegotiateFormat(MIMEJSON, MIMEXML), MIMEJSON)
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assert.Equal(t, c.NegotiateFormat(MIMEXML, MIMEHTML), MIMEXML)
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assert.Equal(t, c.NegotiateFormat(MIMEJSON), MIMEJSON)
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}
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// TestContextData tests that the response can be written from `bytesting`
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// with specified MIME type
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func TestContextAbortWithStatus(t *testing.T) {
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c, w, _ := createTestContext()
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c.index = 4
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c.AbortWithStatus(401)
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c.Writer.WriteHeaderNow()
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assert.Equal(t, c.index, AbortIndex)
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assert.Equal(t, c.Writer.Status(), 401)
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assert.Equal(t, w.Code, 401)
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assert.True(t, c.IsAborted())
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}
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func TestContextError(t *testing.T) {
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c, _, _ := createTestContext()
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c.Error(errors.New("first error"), "some data")
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assert.Equal(t, c.LastError().Error(), "first error")
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assert.Len(t, c.Errors, 1)
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c.Error(errors.New("second error"), "some data 2")
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assert.Equal(t, c.LastError().Error(), "second error")
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assert.Len(t, c.Errors, 2)
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assert.Equal(t, c.Errors[0].Err, "first error")
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assert.Equal(t, c.Errors[0].Meta, "some data")
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assert.Equal(t, c.Errors[0].Type, ErrorTypeExternal)
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assert.Equal(t, c.Errors[1].Err, "second error")
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assert.Equal(t, c.Errors[1].Meta, "some data 2")
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assert.Equal(t, c.Errors[1].Type, ErrorTypeExternal)
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}
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func TestContextTypedError(t *testing.T) {
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c, _, _ := createTestContext()
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c.ErrorTyped(errors.New("externo 0"), ErrorTypeExternal, nil)
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c.ErrorTyped(errors.New("externo 1"), ErrorTypeExternal, nil)
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c.ErrorTyped(errors.New("interno 0"), ErrorTypeInternal, nil)
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c.ErrorTyped(errors.New("externo 2"), ErrorTypeExternal, nil)
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c.ErrorTyped(errors.New("interno 1"), ErrorTypeInternal, nil)
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c.ErrorTyped(errors.New("interno 2"), ErrorTypeInternal, nil)
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for _, err := range c.Errors.ByType(ErrorTypeExternal) {
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assert.Equal(t, err.Type, ErrorTypeExternal)
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}
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for _, err := range c.Errors.ByType(ErrorTypeInternal) {
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assert.Equal(t, err.Type, ErrorTypeInternal)
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}
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}
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func TestContextFail(t *testing.T) {
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c, w, _ := createTestContext()
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c.Fail(401, errors.New("bad input"))
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c.Writer.WriteHeaderNow()
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assert.Equal(t, w.Code, 401)
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assert.Equal(t, c.LastError().Error(), "bad input")
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assert.Equal(t, c.index, AbortIndex)
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assert.True(t, c.IsAborted())
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}
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func TestContextClientIP(t *testing.T) {
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c, _, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "", nil)
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c.Request.Header.Set("X-Real-IP", "10.10.10.10")
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c.Request.Header.Set("X-Forwarded-For", "20.20.20.20 , 30.30.30.30")
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c.Request.RemoteAddr = "40.40.40.40"
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assert.Equal(t, c.ClientIP(), "10.10.10.10")
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c.Request.Header.Del("X-Real-IP")
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assert.Equal(t, c.ClientIP(), "20.20.20.20")
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c.Request.Header.Del("X-Forwarded-For")
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assert.Equal(t, c.ClientIP(), "40.40.40.40")
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}
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func TestContextContentType(t *testing.T) {
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c, _, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "", nil)
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c.Request.Header.Set("Content-Type", "application/json; charset=utf-8")
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assert.Equal(t, c.ContentType(), "application/json")
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}
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func TestContextAutoBind(t *testing.T) {
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c, w, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "http://example.com", bytes.NewBufferString("{\"foo\":\"bar\", \"bar\":\"foo\"}"))
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c.Request.Header.Add("Content-Type", MIMEJSON)
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var obj struct {
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Foo string `json:"foo"`
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Bar string `json:"bar"`
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}
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assert.True(t, c.Bind(&obj))
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assert.Equal(t, obj.Bar, "foo")
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assert.Equal(t, obj.Foo, "bar")
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assert.Equal(t, w.Body.Len(), 0)
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}
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func TestContextBadAutoBind(t *testing.T) {
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c, w, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "http://example.com", bytes.NewBufferString("\"foo\":\"bar\", \"bar\":\"foo\"}"))
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c.Request.Header.Add("Content-Type", MIMEJSON)
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var obj struct {
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Foo string `json:"foo"`
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Bar string `json:"bar"`
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}
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assert.False(t, c.IsAborted())
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assert.False(t, c.Bind(&obj))
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c.Writer.WriteHeaderNow()
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assert.Empty(t, obj.Bar)
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assert.Empty(t, obj.Foo)
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assert.Equal(t, w.Code, 400)
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assert.True(t, c.IsAborted())
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}
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func TestContextBindWith(t *testing.T) {
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c, w, _ := createTestContext()
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c.Request, _ = http.NewRequest("POST", "http://example.com", bytes.NewBufferString("{\"foo\":\"bar\", \"bar\":\"foo\"}"))
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c.Request.Header.Add("Content-Type", MIMEXML)
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var obj struct {
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Foo string `json:"foo"`
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Bar string `json:"bar"`
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}
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assert.True(t, c.BindWith(&obj, binding.JSON))
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assert.Equal(t, obj.Bar, "foo")
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assert.Equal(t, obj.Foo, "bar")
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assert.Equal(t, w.Body.Len(), 0)
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}
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