go.sdls.io/sin@v0.0.9/pkg/sin/context_test.go

// 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 sin

import (
	"bytes"
	"context"
	"errors"
	"fmt"
	"mime/multipart"
	"net/http"
	"net/http/httptest"
	"reflect"
	"strings"
	"sync"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
)

var _ context.Context = &Context{}

var errTestPanicRender = errors.New("TestPanicRender")

// 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 TestContextFormFileFailed(t *testing.T) {
	buf := new(bytes.Buffer)
	mw := multipart.NewWriter(buf)
	_ = mw.Close()
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Request, _ = http.NewRequest("POST", "/", nil)
	c.Request.Header.Set("Content-Type", mw.FormDataContentType())
	c.engine.MaxMultipartMemory = 8 << 20
	f, err := c.FormFile("file")
	assert.Error(t, err)
	assert.Nil(t, 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")) // nolint: errcheck
	c.Set("foo", "bar")
	c.reset()

	assert.False(t, c.IsAborted())
	assert.Nil(t, c.Keys)
	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 TestContextGetUint(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Set("uint", uint(1))
	assert.Equal(t, uint(1), c.GetUint("uint"))
}

func TestContextGetUint64(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Set("uint64", uint64(18446744073709551615))
	assert.Equal(t, uint64(18446744073709551615), c.GetUint64("uint64"))
}

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())
	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())
	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())
	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)
	cp.Set("foo", "notBar")
	assert.False(t, cp.Keys["foo"] == c.Keys["foo"])
}

func TestContextHandlerName(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.handlers = HandlersChain{func(c *Context) {}, handlerNameTest}

	assert.Regexp(t, "^(.*/vendor/)?go.sdls.io/sin/pkg/sin.handlerNameTest$", c.HandlerName())
}

func TestContextHandlerNames(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.handlers = HandlersChain{func(c *Context) {}, handlerNameTest, func(c *Context) {}, handlerNameTest2}

	names := c.HandlerNames()

	assert.True(t, len(names) == 4)
	for _, name := range names {
		assert.Regexp(t, `^(.*/vendor/)?(go\.sdls\.io/sin/pkg/sin\.){1}(TestContextHandlerNames\.func.*){0,1}(handlerNameTest.*){0,1}`, name)
	}
}

func handlerNameTest(_ *Context) {
}

func handlerNameTest2(_ *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"))
}

func TestContextDefaultQueryOnEmptyRequest(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder()) // here c.Request == nil
	assert.NotPanics(t, func() {
		value, ok := c.GetQuery("NoKey")
		assert.False(t, ok)
		assert.Empty(t, value)
	})
	assert.NotPanics(t, func() {
		assert.Equal(t, "nada", c.DefaultQuery("NoKey", "nada"))
	})
	assert.NotPanics(t, func() {
		assert.Empty(t, c.Query("NoKey"))
	})
}

func TestContextSetCookie(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.SetSameSite(http.SameSiteLaxMode)
	c.SetCookie("user", "gin", 1, "/", "localhost", true, true)
	assert.Equal(t, "user=gin; Path=/; Domain=localhost; Max-Age=1; HttpOnly; Secure; SameSite=Lax", c.Writer.Header().Get("Set-Cookie"))
}

func TestContextSetCookiePathEmpty(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.SetSameSite(http.SameSiteLaxMode)
	c.SetCookie("user", "gin", 1, "", "localhost", true, true)
	assert.Equal(t, "user=gin; Path=/; Domain=localhost; Max-Age=1; HttpOnly; Secure; SameSite=Lax", 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) {
	assert.False(t, false, bodyAllowedForStatus(http.StatusProcessing))
	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 errTestPanicRender
}

func (*TestPanicRender) WriteContentType(http.ResponseWriter) {}

func TestContextRenderIfErr(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	c.Render(http.StatusOK, &TestPanicRender{})

	assert.Equal(t, errorMsgs{&Error{Err: errTestPanicRender, Type: 1}}, c.Errors)
}

// 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.Header().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.Header().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.Header().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.Header().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.Header().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.Header().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.Header().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.Header().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.Header().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.Header().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.Header().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.Header().Get("Content-Type"))
}

// TestContextData tests that the response can be written from `bytestring`
// 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.Header().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.Header().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)
}

// TODO
func TestContextRenderRedirectWithRelativePath(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	c.Request, _ = http.NewRequest("POST", "http://example.com", nil)
	assert.Panics(t, func() { c.Redirect(299, "/new_path") })
	assert.Panics(t, func() { c.Redirect(309, "/new_path") })

	c.Redirect(http.StatusMovedPermanently, "/path")
	c.Writer.WriteHeaderNow()
	assert.Equal(t, http.StatusMovedPermanently, w.Code)
	assert.Equal(t, "/path", w.Header().Get("Location"))
}

func TestContextRenderRedirectWithAbsolutePath(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	c.Request, _ = http.NewRequest("POST", "http://example.com", nil)
	c.Redirect(http.StatusFound, "http://google.com")
	c.Writer.WriteHeaderNow()

	assert.Equal(t, http.StatusFound, w.Code)
	assert.Equal(t, "http://google.com", w.Header().Get("Location"))
}

func TestContextRenderRedirectWith201(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	c.Request, _ = http.NewRequest("POST", "http://example.com", nil)
	c.Redirect(http.StatusCreated, "/resource")
	c.Writer.WriteHeaderNow()

	assert.Equal(t, http.StatusCreated, w.Code)
	assert.Equal(t, "/resource", w.Header().Get("Location"))
}

func TestContextRenderRedirectAll(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Request, _ = http.NewRequest("POST", "http://example.com", nil)
	assert.Panics(t, func() { c.Redirect(http.StatusOK, "/resource") })
	assert.Panics(t, func() { c.Redirect(http.StatusAccepted, "/resource") })
	assert.Panics(t, func() { c.Redirect(299, "/resource") })
	assert.Panics(t, func() { c.Redirect(309, "/resource") })
	assert.NotPanics(t, func() { c.Redirect(http.StatusMultipleChoices, "/resource") })
	assert.NotPanics(t, func() { c.Redirect(http.StatusPermanentRedirect, "/resource") })
}

func TestContextIsAborted(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	assert.False(t, c.IsAborted())

	c.Abort()
	assert.True(t, c.IsAborted())

	c.Next()
	assert.True(t, c.IsAborted())

	c.index++
	assert.True(t, c.IsAborted())
}

// TestContextData tests that the response can be written from `bytestring`
// with specified MIME type
func TestContextAbortWithStatus(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	c.index = 4
	c.AbortWithStatus(http.StatusUnauthorized)

	assert.Equal(t, abortIndex, c.index)
	assert.Equal(t, http.StatusUnauthorized, c.Writer.Status())
	assert.Equal(t, http.StatusUnauthorized, w.Code)
	assert.True(t, c.IsAborted())
}

type testJSONAbortMsg struct {
	Foo string `json:"foo"`
	Bar string `json:"bar"`
}

func TestContextAbortWithStatusJSON(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)
	c.index = 4

	in := new(testJSONAbortMsg)
	in.Bar = "barValue"
	in.Foo = "fooValue"

	c.AbortWithStatusJSON(http.StatusUnsupportedMediaType, in)

	assert.Equal(t, abortIndex, c.index)
	assert.Equal(t, http.StatusUnsupportedMediaType, c.Writer.Status())
	assert.Equal(t, http.StatusUnsupportedMediaType, w.Code)
	assert.True(t, c.IsAborted())

	contentType := w.Header().Get("Content-Type")
	assert.Equal(t, "application/json; charset=utf-8", contentType)

	buf := new(bytes.Buffer)
	_, err := buf.ReadFrom(w.Body)
	assert.NoError(t, err)
	jsonStringBody := buf.String()
	assert.Equal(t, "{\"foo\":\"fooValue\",\"bar\":\"barValue\"}", jsonStringBody)
}

func TestContextError(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	assert.Empty(t, c.Errors)

	firstErr := errors.New("first error")
	c.Error(firstErr) // nolint: errcheck
	assert.Len(t, c.Errors, 1)
	assert.Equal(t, "Error #01: first error\n", c.Errors.String())

	secondErr := errors.New("second error")
	c.Error(&Error{ // nolint: errcheck
		Err:  secondErr,
		Meta: "some data 2",
		Type: ErrorTypePublic,
	})
	assert.Len(t, c.Errors, 2)

	assert.Equal(t, firstErr, c.Errors[0].Err)
	assert.Nil(t, c.Errors[0].Meta)
	assert.Equal(t, ErrorTypePrivate, c.Errors[0].Type)

	assert.Equal(t, secondErr, c.Errors[1].Err)
	assert.Equal(t, "some data 2", c.Errors[1].Meta)
	assert.Equal(t, ErrorTypePublic, c.Errors[1].Type)

	assert.Equal(t, c.Errors.Last(), c.Errors[1])

	defer func() {
		if recover() == nil {
			t.Error("didn't panic")
		}
	}()
	c.Error(nil) // nolint: errcheck
}

func TestContextTypedError(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Error(errors.New("externo 0")).SetType(ErrorTypePublic)  // nolint: errcheck
	c.Error(errors.New("interno 0")).SetType(ErrorTypePrivate) // nolint: errcheck

	for _, err := range c.Errors.ByType(ErrorTypePublic) {
		assert.Equal(t, ErrorTypePublic, err.Type)
	}
	for _, err := range c.Errors.ByType(ErrorTypePrivate) {
		assert.Equal(t, ErrorTypePrivate, err.Type)
	}
	assert.Equal(t, []string{"externo 0", "interno 0"}, c.Errors.Errors())
}

func TestContextAbortWithError(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	c.AbortWithError(http.StatusUnauthorized, errors.New("bad input")).SetMeta("some input") // nolint: errcheck

	assert.Equal(t, http.StatusUnauthorized, w.Code)
	assert.Equal(t, abortIndex, c.index)
	assert.True(t, c.IsAborted())
}

func TestContextContentType(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Request, _ = http.NewRequest("POST", "/", nil)
	c.Request.Header.Set("Content-Type", "application/json; charset=utf-8")

	assert.Equal(t, "application/json", c.ContentType())
}

func TestContextGolangContext(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Request, _ = http.NewRequest("POST", "/", bytes.NewBufferString("{\"foo\":\"bar\", \"bar\":\"foo\"}"))
	assert.NoError(t, c.Err())
	assert.Nil(t, c.Done())
	ti, ok := c.Deadline()
	assert.Equal(t, ti, time.Time{})
	assert.False(t, ok)
	assert.Equal(t, c.Value(0), c.Request)
	assert.Nil(t, c.Value("foo"))

	c.Set("foo", "bar")
	assert.Equal(t, "bar", c.Value("foo"))
	assert.Nil(t, c.Value(1))
}

func TestWebsocketsRequired(t *testing.T) {
	// Example request from spec: https://tools.ietf.org/html/rfc6455#section-1.2
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Request, _ = http.NewRequest("GET", "/chat", nil)
	c.Request.Header.Set("Host", "server.example.com")
	c.Request.Header.Set("Upgrade", "websocket")
	c.Request.Header.Set("Connection", "Upgrade")
	c.Request.Header.Set("Sec-WebSocket-Key", "dGhlIHNhbXBsZSBub25jZQ==")
	c.Request.Header.Set("Origin", "http://example.com")
	c.Request.Header.Set("Sec-WebSocket-Protocol", "chat, superchat")
	c.Request.Header.Set("Sec-WebSocket-Version", "13")

	assert.True(t, c.IsWebsocket())

	// Normal request, no websocket required.
	c, _ = CreateTestContext(httptest.NewRecorder())
	c.Request, _ = http.NewRequest("GET", "/chat", nil)
	c.Request.Header.Set("Host", "server.example.com")

	assert.False(t, c.IsWebsocket())
}

func TestGetRequestHeaderValue(t *testing.T) {
	c, _ := CreateTestContext(httptest.NewRecorder())
	c.Request, _ = http.NewRequest("GET", "/chat", nil)
	c.Request.Header.Set("Gin-Version", "1.0.0")

	assert.Equal(t, "1.0.0", c.GetHeader("Gin-Version"))
	assert.Empty(t, c.GetHeader("Connection"))
}

func TestContextRenderDataFromReader(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	body := "#!PNG some raw data"
	reader := strings.NewReader(body)
	contentLength := int64(len(body))
	contentType := "image/png"
	extraHeaders := map[string]string{"Content-Disposition": `attachment; filename="gopher.png"`}

	c.DataFromReader(http.StatusOK, contentLength, contentType, reader, extraHeaders)

	assert.Equal(t, http.StatusOK, w.Code)
	assert.Equal(t, body, w.Body.String())
	assert.Equal(t, contentType, w.Header().Get("Content-Type"))
	assert.Equal(t, fmt.Sprintf("%d", contentLength), w.Header().Get("Content-Length"))
	assert.Equal(t, extraHeaders["Content-Disposition"], w.Header().Get("Content-Disposition"))
}

func TestContextRenderDataFromReaderNoHeaders(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := CreateTestContext(w)

	body := "#!PNG some raw data"
	reader := strings.NewReader(body)
	contentLength := int64(len(body))
	contentType := "image/png"

	c.DataFromReader(http.StatusOK, contentLength, contentType, reader, nil)

	assert.Equal(t, http.StatusOK, w.Code)
	assert.Equal(t, body, w.Body.String())
	assert.Equal(t, contentType, w.Header().Get("Content-Type"))
	assert.Equal(t, fmt.Sprintf("%d", contentLength), w.Header().Get("Content-Length"))
}

type TestResponseRecorder struct {
	*httptest.ResponseRecorder
	closeChannel chan bool
}

func (r *TestResponseRecorder) CloseNotify() <-chan bool {
	return r.closeChannel
}

func CreateTestResponseRecorder() *TestResponseRecorder {
	return &TestResponseRecorder{
		httptest.NewRecorder(),
		make(chan bool, 1),
	}
}

func TestContextResetInHandler(t *testing.T) {
	w := CreateTestResponseRecorder()
	c, _ := CreateTestContext(w)

	c.handlers = []HandlerFunc{
		func(c *Context) { c.reset() },
	}
	assert.NotPanics(t, func() {
		c.Next()
	})
}

func TestRaceParamsContextCopy(t *testing.T) {
	router := New()
	nameGroup := router.Group("/:name")
	var wg sync.WaitGroup
	wg.Add(2)
	{
		nameGroup.GET("/api", func(c *Context) {
			go func(c *Context, param string) {
				defer wg.Done()
				// First assert must be executed after the second request
				time.Sleep(50 * time.Millisecond)
				assert.Equal(t, c.Param("name"), param)
			}(c.Copy(), c.Param("name"))
		})
	}
	performRequest(router, "GET", "/name1/api")
	performRequest(router, "GET", "/name2/api")
	wg.Wait()
}

func TestContextWithKeysMutex(t *testing.T) {
	c := &Context{}
	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)
}

func TestContextWithFallbackValueFromRequestContext(t *testing.T) {
	var key struct{}
	c := &Context{}
	c.Request, _ = http.NewRequest("POST", "/", nil)
	c.Request = c.Request.WithContext(context.WithValue(context.TODO(), key, "value"))

	assert.Equal(t, "value", c.Value(key))

	c2 := &Context{}
	c2.Request, _ = http.NewRequest("POST", "/", nil)
	// nolint:staticcheck
	c2.Request = c2.Request.WithContext(context.WithValue(context.TODO(), "key", "value2"))
	assert.Equal(t, "value2", c2.Value("key"))
}

func TestContextWithFallbackDeadlineFromRequestContext(t *testing.T) {
	c := &Context{}
	deadline, ok := c.Deadline()
	assert.Zero(t, deadline)
	assert.False(t, ok)

	c2 := &Context{}
	c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
	d := time.Now().Add(time.Second)
	ctx, cancel := context.WithDeadline(context.Background(), d)
	defer cancel()
	c2.Request = c2.Request.WithContext(ctx)
	deadline, ok = c2.Deadline()
	assert.Equal(t, d, deadline)
	assert.True(t, ok)
}

func TestContextWithFallbackDoneFromRequestContext(t *testing.T) {
	c := &Context{}
	assert.Nil(t, c.Done())

	c2 := &Context{}
	c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
	ctx, cancel := context.WithCancel(context.Background())
	c2.Request = c2.Request.WithContext(ctx)
	cancel()
	assert.NotNil(t, <-c2.Done())
}

func TestContextWithFallbackErrFromRequestContext(t *testing.T) {
	c := &Context{}
	assert.Nil(t, c.Err())

	c2 := &Context{}
	c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
	ctx, cancel := context.WithCancel(context.Background())
	c2.Request = c2.Request.WithContext(ctx)
	cancel()

	assert.EqualError(t, c2.Err(), context.Canceled.Error())
}