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context_test.go
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context_test.go
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// Copyright 2014 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 (
"bytes"
"errors"
"fmt"
"html/template"
"io"
"mime/multipart"
"net/http"
"net/http/httptest"
"reflect"
"strings"
"testing"
"time"
"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{}
// Unit tests TODO
// func (c *Context) File(filepath string) {
// func (c *Context) Negotiate(code int, config Negotiate) {
// BAD case: func (c *Context) Render(code int, render render.Render, obj ...interface{}) {
// test that information is not leaked when reusing Contexts (using the Pool)
func createMultipartRequest() *http.Request {
boundary := "--testboundary"
body := new(bytes.Buffer)
mw := multipart.NewWriter(body)
defer mw.Close()
must(mw.SetBoundary(boundary))
must(mw.WriteField("foo", "bar"))
must(mw.WriteField("bar", "10"))
must(mw.WriteField("bar", "foo2"))
must(mw.WriteField("array", "first"))
must(mw.WriteField("array", "second"))
must(mw.WriteField("id", ""))
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)
return req
}
func must(err error) {
if err != nil {
panic(err.Error())
}
}
func TestContextFormFile(t *testing.T) {
buf := new(bytes.Buffer)
mw := multipart.NewWriter(buf)
w, err := mw.CreateFormFile("file", "test")
if assert.NoError(t, err) {
w.Write([]byte("test"))
}
mw.Close()
c, _ := CreateTestContext(httptest.NewRecorder())
c.Request, _ = http.NewRequest("POST", "/", buf)
c.Request.Header.Set("Content-Type", mw.FormDataContentType())
f, err := c.FormFile("file")
if assert.NoError(t, err) {
assert.Equal(t, "test", f.Filename)
}
assert.NoError(t, c.SaveUploadedFile(f, "test"))
}
func TestContextMultipartForm(t *testing.T) {
buf := new(bytes.Buffer)
mw := multipart.NewWriter(buf)
mw.WriteField("foo", "bar")
w, err := mw.CreateFormFile("file", "test")
if assert.NoError(t, err) {
w.Write([]byte("test"))
}
mw.Close()
c, _ := CreateTestContext(httptest.NewRecorder())
c.Request, _ = http.NewRequest("POST", "/", buf)
c.Request.Header.Set("Content-Type", mw.FormDataContentType())
f, err := c.MultipartForm()
if assert.NoError(t, err) {
assert.NotNil(t, f)
}
assert.NoError(t, c.SaveUploadedFile(f.File["file"][0], "test"))
}
func TestSaveUploadedOpenFailed(t *testing.T) {
buf := new(bytes.Buffer)
mw := multipart.NewWriter(buf)
mw.Close()
c, _ := CreateTestContext(httptest.NewRecorder())
c.Request, _ = http.NewRequest("POST", "/", buf)
c.Request.Header.Set("Content-Type", mw.FormDataContentType())
f := &multipart.FileHeader{
Filename: "file",
}
assert.Error(t, c.SaveUploadedFile(f, "test"))
}
func TestSaveUploadedCreateFailed(t *testing.T) {
buf := new(bytes.Buffer)
mw := multipart.NewWriter(buf)
w, err := mw.CreateFormFile("file", "test")
if assert.NoError(t, err) {
w.Write([]byte("test"))
}
mw.Close()
c, _ := CreateTestContext(httptest.NewRecorder())
c.Request, _ = http.NewRequest("POST", "/", buf)
c.Request.Header.Set("Content-Type", mw.FormDataContentType())
f, err := c.FormFile("file")
if assert.NoError(t, err) {
assert.Equal(t, "test", f.Filename)
}
assert.Error(t, c.SaveUploadedFile(f, "/"))
}
func TestContextReset(t *testing.T) {
router := New()
c := router.allocateContext()
assert.Equal(t, c.engine, router)
c.index = 2
c.Writer = &responseWriter{ResponseWriter: httptest.NewRecorder()}
c.Params = Params{Param{}}
c.Error(errors.New("test"))
c.Set("foo", "bar")
c.reset()
assert.False(t, c.IsAborted())
assert.Nil(t, c.Keys)
assert.Nil(t, c.Accepted)
assert.Len(t, c.Errors, 0)
assert.Empty(t, c.Errors.Errors())
assert.Empty(t, c.Errors.ByType(ErrorTypeAny))
assert.Len(t, c.Params, 0)
assert.EqualValues(t, c.index, -1)
assert.Equal(t, c.Writer.(*responseWriter), &c.writermem)
}
func TestContextHandlers(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
assert.Nil(t, c.handlers)
assert.Nil(t, c.handlers.Last())
c.handlers = HandlersChain{}
assert.NotNil(t, c.handlers)
assert.Nil(t, c.handlers.Last())
f := func(c *Context) {}
g := func(c *Context) {}
c.handlers = HandlersChain{f}
compareFunc(t, f, c.handlers.Last())
c.handlers = HandlersChain{f, g}
compareFunc(t, g, c.handlers.Last())
}
// TestContextSetGet tests that a parameter is set correctly on the
// current context and can be retrieved using Get.
func TestContextSetGet(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("foo", "bar")
value, err := c.Get("foo")
assert.Equal(t, "bar", value)
assert.True(t, err)
value, err = c.Get("foo2")
assert.Nil(t, value)
assert.False(t, err)
assert.Equal(t, "bar", c.MustGet("foo"))
assert.Panics(t, func() { c.MustGet("no_exist") })
}
func TestContextSetGetValues(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("string", "this is a string")
c.Set("int32", int32(-42))
c.Set("int64", int64(42424242424242))
c.Set("uint64", uint64(42))
c.Set("float32", float32(4.2))
c.Set("float64", 4.2)
var a interface{} = 1
c.Set("intInterface", a)
assert.Exactly(t, c.MustGet("string").(string), "this is a string")
assert.Exactly(t, c.MustGet("int32").(int32), int32(-42))
assert.Exactly(t, c.MustGet("int64").(int64), int64(42424242424242))
assert.Exactly(t, c.MustGet("uint64").(uint64), uint64(42))
assert.Exactly(t, c.MustGet("float32").(float32), float32(4.2))
assert.Exactly(t, c.MustGet("float64").(float64), 4.2)
assert.Exactly(t, c.MustGet("intInterface").(int), 1)
}
func TestContextGetString(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("string", "this is a string")
assert.Equal(t, "this is a string", c.GetString("string"))
}
func TestContextSetGetBool(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("bool", true)
assert.True(t, c.GetBool("bool"))
}
func TestContextGetInt(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("int", 1)
assert.Equal(t, 1, c.GetInt("int"))
}
func TestContextGetInt64(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("int64", int64(42424242424242))
assert.Equal(t, int64(42424242424242), c.GetInt64("int64"))
}
func TestContextGetFloat64(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("float64", 4.2)
assert.Equal(t, 4.2, c.GetFloat64("float64"))
}
func TestContextGetTime(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
t1, _ := time.Parse("1/2/2006 15:04:05", "01/01/2017 12:00:00")
c.Set("time", t1)
assert.Equal(t, t1, c.GetTime("time"))
}
func TestContextGetDuration(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("duration", time.Second)
assert.Equal(t, time.Second, c.GetDuration("duration"))
}
func TestContextGetStringSlice(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Set("slice", []string{"foo"})
assert.Equal(t, []string{"foo"}, c.GetStringSlice("slice"))
}
func TestContextGetStringMap(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
var m = make(map[string]interface{})
m["foo"] = 1
c.Set("map", m)
assert.Equal(t, m, c.GetStringMap("map"))
assert.Equal(t, 1, c.GetStringMap("map")["foo"])
}
func TestContextGetStringMapString(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
var m = make(map[string]string)
m["foo"] = "bar"
c.Set("map", m)
assert.Equal(t, m, c.GetStringMapString("map"))
assert.Equal(t, "bar", c.GetStringMapString("map")["foo"])
}
func TestContextGetStringMapStringSlice(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
var m = make(map[string][]string)
m["foo"] = []string{"foo"}
c.Set("map", m)
assert.Equal(t, m, c.GetStringMapStringSlice("map"))
assert.Equal(t, []string{"foo"}, c.GetStringMapStringSlice("map")["foo"])
}
func TestContextCopy(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.index = 2
c.Request, _ = http.NewRequest("POST", "/hola", nil)
c.handlers = HandlersChain{func(c *Context) {}}
c.Params = Params{Param{Key: "foo", Value: "bar"}}
c.Set("foo", "bar")
cp := c.Copy()
assert.Nil(t, cp.handlers)
assert.Nil(t, cp.writermem.ResponseWriter)
assert.Equal(t, &cp.writermem, cp.Writer.(*responseWriter))
assert.Equal(t, cp.Request, c.Request)
assert.Equal(t, cp.index, abortIndex)
assert.Equal(t, cp.Keys, c.Keys)
assert.Equal(t, cp.engine, c.engine)
assert.Equal(t, cp.Params, c.Params)
}
func TestContextHandlerName(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.handlers = HandlersChain{func(c *Context) {}, handlerNameTest}
assert.Regexp(t, "^(.*/vendor/)?github.com/gin-gonic/gin.handlerNameTest$", c.HandlerName())
}
func handlerNameTest(c *Context) {
}
var handlerTest HandlerFunc = func(c *Context) {
}
func TestContextHandler(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.handlers = HandlersChain{func(c *Context) {}, handlerTest}
assert.Equal(t, reflect.ValueOf(handlerTest).Pointer(), reflect.ValueOf(c.Handler()).Pointer())
}
func TestContextQuery(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Request, _ = http.NewRequest("GET", "http://example.com/?foo=bar&page=10&id=", nil)
value, ok := c.GetQuery("foo")
assert.True(t, ok)
assert.Equal(t, "bar", value)
assert.Equal(t, "bar", c.DefaultQuery("foo", "none"))
assert.Equal(t, "bar", c.Query("foo"))
value, ok = c.GetQuery("page")
assert.True(t, ok)
assert.Equal(t, "10", value)
assert.Equal(t, "10", c.DefaultQuery("page", "0"))
assert.Equal(t, "10", c.Query("page"))
value, ok = c.GetQuery("id")
assert.True(t, ok)
assert.Empty(t, value)
assert.Empty(t, c.DefaultQuery("id", "nada"))
assert.Empty(t, c.Query("id"))
value, ok = c.GetQuery("NoKey")
assert.False(t, ok)
assert.Empty(t, value)
assert.Equal(t, "nada", c.DefaultQuery("NoKey", "nada"))
assert.Empty(t, c.Query("NoKey"))
// postform should not mess
value, ok = c.GetPostForm("page")
assert.False(t, ok)
assert.Empty(t, value)
assert.Empty(t, c.PostForm("foo"))
}
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&ids[a]=hi&ids[b]=3.14", body)
c.Request.Header.Add("Content-Type", MIMEPOSTForm)
assert.Equal(t, "bar", c.DefaultPostForm("foo", "none"))
assert.Equal(t, "bar", c.PostForm("foo"))
assert.Empty(t, c.Query("foo"))
value, ok := c.GetPostForm("page")
assert.True(t, ok)
assert.Equal(t, "11", value)
assert.Equal(t, "11", c.DefaultPostForm("page", "0"))
assert.Equal(t, "11", c.PostForm("page"))
assert.Empty(t, c.Query("page"))
value, ok = c.GetPostForm("both")
assert.True(t, ok)
assert.Empty(t, value)
assert.Empty(t, c.PostForm("both"))
assert.Empty(t, c.DefaultPostForm("both", "nothing"))
assert.Equal(t, "GET", c.Query("both"), "GET")
value, ok = c.GetQuery("id")
assert.True(t, ok)
assert.Equal(t, "main", value)
assert.Equal(t, "000", c.DefaultPostForm("id", "000"))
assert.Equal(t, "main", c.Query("id"))
assert.Empty(t, c.PostForm("id"))
value, ok = c.GetQuery("NoKey")
assert.False(t, ok)
assert.Empty(t, value)
value, ok = c.GetPostForm("NoKey")
assert.False(t, ok)
assert.Empty(t, value)
assert.Equal(t, "nada", c.DefaultPostForm("NoKey", "nada"))
assert.Equal(t, "nothing", c.DefaultQuery("NoKey", "nothing"))
assert.Empty(t, c.PostForm("NoKey"))
assert.Empty(t, c.Query("NoKey"))
var obj struct {
Foo string `form:"foo"`
ID string `form:"id"`
Page int `form:"page"`
Both string `form:"both"`
Array []string `form:"array[]"`
}
assert.NoError(t, c.Bind(&obj))
assert.Equal(t, "bar", obj.Foo, "bar")
assert.Equal(t, "main", obj.ID, "main")
assert.Equal(t, 11, obj.Page, 11)
assert.Empty(t, obj.Both)
assert.Equal(t, []string{"first", "second"}, obj.Array)
values, ok := c.GetQueryArray("array[]")
assert.True(t, ok)
assert.Equal(t, "first", values[0])
assert.Equal(t, "second", values[1])
values = c.QueryArray("array[]")
assert.Equal(t, "first", values[0])
assert.Equal(t, "second", values[1])
values = c.QueryArray("nokey")
assert.Equal(t, 0, len(values))
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) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Request = createMultipartRequest()
var obj struct {
Foo string `form:"foo"`
Bar string `form:"bar"`
BarAsInt int `form:"bar"`
Array []string `form:"array"`
ID string `form:"id"`
TimeLocal time.Time `form:"time_local" time_format:"02/01/2006 15:04"`
TimeUTC time.Time `form:"time_utc" time_format:"02/01/2006 15:04" time_utc:"1"`
TimeLocation time.Time `form:"time_location" time_format:"02/01/2006 15:04" time_location:"Asia/Tokyo"`
BlankTime time.Time `form:"blank_time" time_format:"02/01/2006 15:04"`
}
assert.NoError(t, c.Bind(&obj))
assert.Equal(t, "bar", obj.Foo)
assert.Equal(t, "10", obj.Bar)
assert.Equal(t, 10, obj.BarAsInt)
assert.Equal(t, []string{"first", "second"}, obj.Array)
assert.Empty(t, obj.ID)
assert.Equal(t, "31/12/2016 14:55", obj.TimeLocal.Format("02/01/2006 15:04"))
assert.Equal(t, time.Local, obj.TimeLocal.Location())
assert.Equal(t, "31/12/2016 14:55", obj.TimeUTC.Format("02/01/2006 15:04"))
assert.Equal(t, time.UTC, obj.TimeUTC.Location())
loc, _ := time.LoadLocation("Asia/Tokyo")
assert.Equal(t, "31/12/2016 14:55", obj.TimeLocation.Format("02/01/2006 15:04"))
assert.Equal(t, loc, obj.TimeLocation.Location())
assert.True(t, obj.BlankTime.IsZero())
value, ok := c.GetQuery("foo")
assert.False(t, ok)
assert.Empty(t, value)
assert.Empty(t, c.Query("bar"))
assert.Equal(t, "nothing", c.DefaultQuery("id", "nothing"))
value, ok = c.GetPostForm("foo")
assert.True(t, ok)
assert.Equal(t, "bar", value)
assert.Equal(t, "bar", c.PostForm("foo"))
value, ok = c.GetPostForm("array")
assert.True(t, ok)
assert.Equal(t, "first", value)
assert.Equal(t, "first", c.PostForm("array"))
assert.Equal(t, "10", c.DefaultPostForm("bar", "nothing"))
value, ok = c.GetPostForm("id")
assert.True(t, ok)
assert.Empty(t, value)
assert.Empty(t, c.PostForm("id"))
assert.Empty(t, c.DefaultPostForm("id", "nothing"))
value, ok = c.GetPostForm("nokey")
assert.False(t, ok)
assert.Empty(t, value)
assert.Equal(t, "nothing", c.DefaultPostForm("nokey", "nothing"))
values, ok := c.GetPostFormArray("array")
assert.True(t, ok)
assert.Equal(t, "first", values[0])
assert.Equal(t, "second", values[1])
values = c.PostFormArray("array")
assert.Equal(t, "first", values[0])
assert.Equal(t, "second", values[1])
values = c.PostFormArray("nokey")
assert.Equal(t, 0, len(values))
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) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.SetCookie("user", "gin", 1, "/", "localhost", true, true)
assert.Equal(t, "user=gin; Path=/; Domain=localhost; Max-Age=1; HttpOnly; Secure", c.Writer.Header().Get("Set-Cookie"))
}
func TestContextSetCookiePathEmpty(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.SetCookie("user", "gin", 1, "", "localhost", true, true)
assert.Equal(t, "user=gin; Path=/; Domain=localhost; Max-Age=1; HttpOnly; Secure", c.Writer.Header().Get("Set-Cookie"))
}
func TestContextGetCookie(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Request, _ = http.NewRequest("GET", "/get", nil)
c.Request.Header.Set("Cookie", "user=gin")
cookie, _ := c.Cookie("user")
assert.Equal(t, "gin", cookie)
_, err := c.Cookie("nokey")
assert.Error(t, err)
}
func TestContextBodyAllowedForStatus(t *testing.T) {
// todo(thinkerou): go1.6 not support StatusProcessing
assert.False(t, false, bodyAllowedForStatus(102))
assert.False(t, false, bodyAllowedForStatus(http.StatusNoContent))
assert.False(t, false, bodyAllowedForStatus(http.StatusNotModified))
assert.True(t, true, bodyAllowedForStatus(http.StatusInternalServerError))
}
type TestPanicRender struct {
}
func (*TestPanicRender) Render(http.ResponseWriter) error {
return errors.New("TestPanicRender")
}
func (*TestPanicRender) WriteContentType(http.ResponseWriter) {}
func TestContextRenderPanicIfErr(t *testing.T) {
defer func() {
r := recover()
assert.Equal(t, "TestPanicRender", fmt.Sprint(r))
}()
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Render(http.StatusOK, &TestPanicRender{})
assert.Fail(t, "Panic not detected")
}
// 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(http.StatusCreated, H{"foo": "bar", "html": "<b>"})
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.HeaderMap.Get("Content-Type"))
}
// Tests that the response is serialized as JSONP
// and Content-Type is set to application/javascript
func TestContextRenderJSONP(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Request, _ = http.NewRequest("GET", "http://example.com/?callback=x", nil)
c.JSONP(http.StatusCreated, H{"foo": "bar"})
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"))
}
// 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.HeaderMap.Get("Content-Type"))
}
// Tests that no JSON is rendered if code is 204
func TestContextRenderNoContentJSON(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.JSON(http.StatusNoContent, H{"foo": "bar"})
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"))
}
// Tests that the response is serialized as JSON
// we change the content-type before
func TestContextRenderAPIJSON(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Header("Content-Type", "application/vnd.api+json")
c.JSON(http.StatusCreated, H{"foo": "bar"})
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"))
}
// Tests that no Custom JSON is rendered if code is 204
func TestContextRenderNoContentAPIJSON(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Header("Content-Type", "application/vnd.api+json")
c.JSON(http.StatusNoContent, H{"foo": "bar"})
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")
}
// Tests that the response is serialized as JSON
// and Content-Type is set to application/json
func TestContextRenderIndentedJSON(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.IndentedJSON(http.StatusCreated, H{"foo": "bar", "bar": "foo", "nested": H{"foo": "bar"}})
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"))
}
// Tests that no Custom JSON is rendered if code is 204
func TestContextRenderNoContentIndentedJSON(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.IndentedJSON(http.StatusNoContent, H{"foo": "bar", "bar": "foo", "nested": H{"foo": "bar"}})
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"))
}
// Tests that the response is serialized as Secure JSON
// and Content-Type is set to application/json
func TestContextRenderSecureJSON(t *testing.T) {
w := httptest.NewRecorder()
c, router := CreateTestContext(w)
router.SecureJsonPrefix("&&&START&&&")
c.SecureJSON(http.StatusCreated, []string{"foo", "bar"})
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"))
}
// Tests that no Custom JSON is rendered if code is 204
func TestContextRenderNoContentSecureJSON(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.SecureJSON(http.StatusNoContent, []string{"foo", "bar"})
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"))
}
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.HeaderMap.Get("Content-Type"))
}
// Tests that the response executes the templates
// and responds with Content-Type set to text/html
func TestContextRenderHTML(t *testing.T) {
w := httptest.NewRecorder()
c, router := CreateTestContext(w)
templ := template.Must(template.New("t").Parse(`Hello {{.name}}`))
router.SetHTMLTemplate(templ)
c.HTML(http.StatusCreated, "t", H{"name": "alexandernyquist"})
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"))
}
func TestContextRenderHTML2(t *testing.T) {
w := httptest.NewRecorder()
c, router := CreateTestContext(w)
// print debug warning log when Engine.trees > 0
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)
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())
c.HTML(http.StatusCreated, "t", H{"name": "alexandernyquist"})
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"))
}
// Tests that no HTML is rendered if code is 204
func TestContextRenderNoContentHTML(t *testing.T) {
w := httptest.NewRecorder()
c, router := CreateTestContext(w)
templ := template.Must(template.New("t").Parse(`Hello {{.name}}`))
router.SetHTMLTemplate(templ)
c.HTML(http.StatusNoContent, "t", H{"name": "alexandernyquist"})
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"))
}
// TestContextXML tests that the response is serialized as XML
// and Content-Type is set to application/xml
func TestContextRenderXML(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.XML(http.StatusCreated, H{"foo": "bar"})
assert.Equal(t, http.StatusCreated, w.Code)
assert.Equal(t, "<map><foo>bar</foo></map>", w.Body.String())
assert.Equal(t, "application/xml; charset=utf-8", w.HeaderMap.Get("Content-Type"))
}
// Tests that no XML is rendered if code is 204
func TestContextRenderNoContentXML(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.XML(http.StatusNoContent, H{"foo": "bar"})
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"))
}
// TestContextString tests that the response is returned
// with Content-Type set to text/plain
func TestContextRenderString(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.String(http.StatusCreated, "test %s %d", "string", 2)
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"))
}
// Tests that no String is rendered if code is 204
func TestContextRenderNoContentString(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.String(http.StatusNoContent, "test %s %d", "string", 2)
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"))
}
// TestContextString tests that the response is returned
// with Content-Type set to text/html
func TestContextRenderHTMLString(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Header("Content-Type", "text/html; charset=utf-8")
c.String(http.StatusCreated, "<html>%s %d</html>", "string", 3)
assert.Equal(t, http.StatusCreated, w.Code)
assert.Equal(t, "<html>string 3</html>", w.Body.String())
assert.Equal(t, "text/html; charset=utf-8", w.HeaderMap.Get("Content-Type"))
}
// Tests that no HTML String is rendered if code is 204
func TestContextRenderNoContentHTMLString(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Header("Content-Type", "text/html; charset=utf-8")
c.String(http.StatusNoContent, "<html>%s %d</html>", "string", 3)
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"))
}
// TestContextData tests that the response can be written from `bytesting`
// with specified MIME type
func TestContextRenderData(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Data(http.StatusCreated, "text/csv", []byte(`foo,bar`))
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"))
}
// Tests that no Custom Data is rendered if code is 204
func TestContextRenderNoContentData(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Data(http.StatusNoContent, "text/csv", []byte(`foo,bar`))
assert.Equal(t, http.StatusNoContent, w.Code)
assert.Empty(t, w.Body.String())
assert.Equal(t, "text/csv", w.HeaderMap.Get("Content-Type"))
}
func TestContextRenderSSE(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.SSEvent("float", 1.5)
c.Render(-1, sse.Event{
Id: "123",
Data: "text",
})
c.SSEvent("chat", H{
"foo": "bar",
"bar": "foo",
})
assert.Equal(t, strings.Replace(w.Body.String(), " ", "", -1), strings.Replace("event:float\ndata:1.5\n\nid:123\ndata:text\n\nevent:chat\ndata:{\"bar\":\"foo\",\"foo\":\"bar\"}\n\n", " ", "", -1))
}
func TestContextRenderFile(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Request, _ = http.NewRequest("GET", "/", nil)
c.File("./gin.go")
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"))
}
// TestContextRenderYAML tests that the response is serialized as YAML
// and Content-Type is set to application/x-yaml
func TestContextRenderYAML(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.YAML(http.StatusCreated, H{"foo": "bar"})
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"))
}
// 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.HeaderMap.Get("Content-Type"))
}
func TestContextHeaders(t *testing.T) {
c, _ := CreateTestContext(httptest.NewRecorder())
c.Header("Content-Type", "text/plain")
c.Header("X-Custom", "value")
assert.Equal(t, "text/plain", c.Writer.Header().Get("Content-Type"))
assert.Equal(t, "value", c.Writer.Header().Get("X-Custom"))
c.Header("Content-Type", "text/html")
c.Header("X-Custom", "")
assert.Equal(t, "text/html", c.Writer.Header().Get("Content-Type"))
_, exist := c.Writer.Header()["X-Custom"]
assert.False(t, exist)
}