Merge remote-tracking branch 'upstream/master'

.github/README_zh-CN.md

@@ -124,18 +124,18 @@ go get -u github.com/gofiber/fiber
 - [内存占用低](https://docs.gofiber.io/benchmarks)
 - [API接口](https://docs.gofiber.io/context)
 - [中间件](https://docs.gofiber.io/middleware)和[Next](https://docs.gofiber.io/context#next)支持
-- [快速的](https://dev.to/koddr/welcome-to-fiber-an-express-js-styled-fastest-web-framework-written-with-on-golang-497)服务器端编程
+- [快速](https://dev.to/koddr/welcome-to-fiber-an-express-js-styled-fastest-web-framework-written-with-on-golang-497)服务器端编程
 - [模版引擎](https://github.com/gofiber/template)
 - [WebSocket支持](https://docs.gofiber.io/middleware#websocket)
 - [频率限制器](https://docs.gofiber.io/middleware#limiter)
-- [15国语言](https://docs.gofiber.io/)
+- [15种语言](https://docs.gofiber.io/)
 - 以及更多请[探索文档](https://docs.gofiber.io/)
 
 ## 💡 哲学
 
 从[Node.js](https://nodejs.org/en/about/)切换到[Go](https://golang.org/doc/)的新`gopher`在开始构建`Web`应用程序或微服务之前正在应对学习曲线。 `Fiber`作为一个**Web框架** ，是按照**极简主义**的思想并遵循**UNIX方式**创建的，因此新的`gopher`可以在热烈和可信赖的欢迎中迅速进入`Go`的世界。
 
-`Fiber`受到了互联网上最流行的`Web`框架`Express`的**启发** 。我们结合了`Express`的**易用性**和`Go`的**原始性能** 。如果您曾经在`Node.js`上实现过`Web`应用程序(*使用Express.js或类似工具*)，那么许多方法和原理对您来说应该**非常易懂**。
+`Fiber`受到了互联网上最流行的`Web`框架`Express`的**启发** 。我们结合了`Express`的**易用性**和`Go`的**原始性能** 。如果您曾经在`Node.js`上实现过`Web`应用程序(*使用Express或类似工具*)，那么许多方法和原理对您来说应该**非常易懂**。
 
 我们**关注** _整个互联网_ 用户在[issues](https://github.com/gofiber/fiber/issues)和Discord [channel](https://gofiber.io/discord)的消息，为了创建一个**迅速**，**灵活**以及**友好**的`Go web`框架，满足**任何**任务，**最后期限**和开发者**技能**。就像`Express`在`JavaScript`世界中一样。
 
@@ -243,9 +243,9 @@ func main() {
 
 如果未设置模版引擎，则`Fiber`默认使用[html/template](https://golang.org/pkg/html/template/)。
 
-如果您要执行部分模版或使用其他引擎，例如[amber](https://github.com/eknkc/amber)，[handlebars](https://github.com/aymerick/raymond)，[mustache](https://github.com/cbroglie/mustache)或者[pug](https://github.com/Joker/jade)等等
+如果您要执行部分模版或使用其他引擎，例如[amber](https://github.com/eknkc/amber)，[handlebars](https://github.com/aymerick/raymond)，[mustache](https://github.com/cbroglie/mustache)或者[pug](https://github.com/Joker/jade)等等...
 
-查看我们的[Template](https://github.com/gofiber/template)包，该包支持多个模版引擎。
+请查看我们的[Template](https://github.com/gofiber/template)包，该包支持多个模版引擎。
 
 ```go
 import (
@@ -299,7 +299,7 @@ func main() {
 }
 ```
 
-### 访问日志中间件
+### 日志中间件
 
 📖 [Logger](https://github.com/gofiber/fiber/blob/master/middleware/logger.md)
 
@@ -330,7 +330,7 @@ func main() {
   app.Listen(3000)
 }
 ```
-### 跨域资源共享(CORS)
+### 跨域资源共享(CORS)中间件
 
 📖 [CORS](https://docs.gofiber.io/middleware#cors)
 
@@ -356,7 +356,7 @@ func main() {
 curl -H "Origin: http://example.com" --verbose http://localhost:3000
 ```
 
-### 自定义404相应
+### 自定义404响应
 
 📖 [HTTP Methods](https://docs.gofiber.io/application#http-methods)
 
@@ -414,7 +414,7 @@ func main() {
 }
 ```
 
-### WebSocket支持
+### 升级到WebSocket
 
 📖 [Websocket](https://docs.gofiber.io/middleware#websocket)
 
@@ -500,7 +500,7 @@ func main() {
 
 ## 🌱 第三方中间件
 
-这是由`Fiber`社区创建的中间件的列表，如果您想看到自己的中间件，请创建`PR`。
+这是由`Fiber`社区创建的中间件列表，如果您想看到自己的中间件，请创建`PR`。
 - [arsmn/fiber-swagger](https://github.com/arsmn/fiber-swagger)
 - [arsmn/fiber-casbin](https://github.com/arsmn/fiber-casbin)
 - [arsmn/fiber-introspect](https://github.com/arsmn/fiber-introspect)

app.go

@@ -425,6 +425,7 @@ func (app *App) Routes() []*Route {
 				for i := range routes {
 					if routes[i].Method == methodUse && routes[i].Name == app.stack[m][r].Name {
 						duplicate = true
+						break
 					}
 				}
 				if !duplicate {
@@ -684,7 +685,7 @@ func (app *App) startupMessage(addr string, tls bool, pids string) {
 		osName    = utils.ToUpper(runtime.GOOS)
 		memTotal  = utils.ByteSize(utils.MemoryTotal())
 		cpuCores  = runtime.NumCPU()
-		ppid      = os.Getppid()
+		pid       = os.Getpid()
 	)
 	if host == "" {
 		host = "0.0.0.0"
@@ -711,7 +712,7 @@ func (app *App) startupMessage(addr string, tls bool, pids string) {
 		cCyan, cBlack, fmt.Sprintf(" HOST   %s\tOS    %s", cyan(host), cyan(osName)),
 		cCyan, cBlack, fmt.Sprintf(" PORT   %s\tCORES %s", cyan(port), cyan(cpuCores)),
 		cCyan, cBlack, fmt.Sprintf(" TLS    %s\tMEM   %s", cyan(tlsStr), cyan(memTotal)),
-		cBlack, cyan(Version), fmt.Sprintf(" ROUTES %s\t\t\t PPID  %s%s%s\n", cyan(routesLen), cyan(ppid), pids, cReset),
+		cBlack, cyan(Version), fmt.Sprintf(" ROUTES %s\t\t\t PID  %s%s%s\n", cyan(routesLen), cyan(pid), pids, cReset),
 	)
 	// Write to io.write
 	_ = out.Flush()

app_test.go

@@ -8,7 +8,6 @@ import (
 	"errors"
 	"fmt"
 	"io/ioutil"
-	"net"
 	"net/http/httptest"
 	"regexp"
 	"strings"
@@ -17,6 +16,7 @@ import (
 
 	utils "github.com/gofiber/utils"
 	fasthttp "github.com/valyala/fasthttp"
+	fasthttputil "github.com/valyala/fasthttp/fasthttputil"
 )
 
 func testStatus200(t *testing.T, app *App, url string, method string) {
@@ -97,10 +97,11 @@ func Test_App_Custom_Middleware_404_Should_Not_SetMethodNotAllowed(t *testing.T)
 func Test_App_Routes(t *testing.T) {
 	app := New()
 	h := func(c *Ctx) {}
+	app.Use("/", h)
 	app.Get("/Get", h)
 	app.Head("/Head", h)
 	app.Post("/post", h)
-	utils.AssertEqual(t, 3, len(app.Routes()))
+	utils.AssertEqual(t, 4, len(app.Routes()))
 }
 
 func Test_App_ServerErrorHandler_SmallReadBuffer(t *testing.T) {
@@ -360,18 +361,28 @@ func Test_App_Static_Index_Default(t *testing.T) {
 	app := New()
 
 	app.Static("/prefix", "./.github/workflows")
-	app.Static("/", "./.github")
+	app.Static("", "./.github/")
+	app.Static("test", "", Static{Index: "index.html"})
 
 	resp, err := app.Test(httptest.NewRequest("GET", "/", nil))
 	utils.AssertEqual(t, nil, err, "app.Test(req)")
 	utils.AssertEqual(t, 200, resp.StatusCode, "Status code")
-	utils.AssertEqual(t, false, resp.Header.Get("Content-Length") == "")
+	utils.AssertEqual(t, false, resp.Header.Get(HeaderContentLength) == "")
-	utils.AssertEqual(t, "text/html; charset=utf-8", resp.Header.Get("Content-Type"))
+	utils.AssertEqual(t, MIMETextHTMLCharsetUTF8, resp.Header.Get(HeaderContentType))
 
 	body, err := ioutil.ReadAll(resp.Body)
 	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, strings.Contains(string(body), "Hello, World!"))
 
+	resp, err = app.Test(httptest.NewRequest("GET", "/not-found", nil))
+	utils.AssertEqual(t, nil, err, "app.Test(req)")
+	utils.AssertEqual(t, 404, resp.StatusCode, "Status code")
+	utils.AssertEqual(t, false, resp.Header.Get(HeaderContentLength) == "")
+	utils.AssertEqual(t, MIMETextPlainCharsetUTF8, resp.Header.Get(HeaderContentType))
+
+	body, err = ioutil.ReadAll(resp.Body)
+	utils.AssertEqual(t, nil, err)
+	utils.AssertEqual(t, "Cannot GET /not-found", string(body))
 }
 
 // go test -run Test_App_Static_Index
@@ -649,14 +660,14 @@ func Test_App_Listen(t *testing.T) {
 		utils.AssertEqual(t, nil, app.Shutdown())
 	}()
 
-	utils.AssertEqual(t, nil, app.Listen(4003))
+	utils.AssertEqual(t, nil, app.Listen("127.0.0.1:"))
 
 	go func() {
 		time.Sleep(1000 * time.Millisecond)
 		utils.AssertEqual(t, nil, app.Shutdown())
 	}()
 
-	utils.AssertEqual(t, nil, app.Listen("4010"))
+	utils.AssertEqual(t, nil, app.Listen("127.0.0.1:"))
 }
 
 // go test -run Test_App_Listener
@@ -665,14 +676,13 @@ func Test_App_Listener(t *testing.T) {
 		DisableStartupMessage: true,
 		Prefork:               true,
 	})
-	ln, err := net.Listen("tcp4", ":4020")
-	utils.AssertEqual(t, nil, err)
 
 	go func() {
-		time.Sleep(1000 * time.Millisecond)
+		time.Sleep(500 * time.Millisecond)
 		utils.AssertEqual(t, nil, app.Shutdown())
 	}()
 
+	ln := fasthttputil.NewInmemoryListener()
 	utils.AssertEqual(t, nil, app.Listener(ln))
 }
 
@@ -699,3 +709,10 @@ func Benchmark_App_ETag_Weak(b *testing.B) {
 	}
 	utils.AssertEqual(b, `W/"13-1831710635"`, string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
 }
+
+// go test -run Test_NewError
+func Test_NewError(t *testing.T) {
+	e := NewError(StatusForbidden, "permission denied")
+	utils.AssertEqual(t, StatusForbidden, e.Code)
+	utils.AssertEqual(t, "permission denied", e.Message)
+}

ctx.go

@@ -181,8 +181,8 @@ func (ctx *Ctx) Append(field string, values ...string) {
 	for _, value := range values {
 		if len(h) == 0 {
 			h = value
-		} else if h != value && !strings.HasSuffix(h, " "+value) &&
+		} else if h != value && !strings.HasPrefix(h, value+",") && !strings.HasSuffix(h, " "+value) &&
-			!strings.Contains(h, value+",") {
+			!strings.Contains(h, " "+value+",") {
 			h += ", " + value
 		}
 	}
@@ -388,7 +388,7 @@ func (ctx *Ctx) Format(body interface{}) {
 			ctx.Send(body) // Fallback
 			log.Println("Format: error serializing json ", err)
 		}
-	case "text":
+	case "txt":
 		ctx.SendString(b)
 	case "xml":
 		raw, err := xml.Marshal(body)
@@ -415,7 +415,7 @@ func (ctx *Ctx) FormValue(key string) (value string) {
 	return getString(ctx.Fasthttp.FormValue(key))
 }
 
-var cacheControlNoCacheRegexp, _ = regexp.Compile(`/(?:^|,)\s*?no-cache\s*?(?:,|$)/`)
+var cacheControlNoCacheRegexp, _ = regexp.Compile(`(?:^|,)\s*?no-cache\s*?(?:,|$)`)
 
 // Fresh returns true when the response is still “fresh” in the client's cache,
 // otherwise false is returned to indicate that the client cache is now stale
@@ -436,7 +436,7 @@ func (ctx *Ctx) Fresh() bool {
 	// Always return stale when Cache-Control: no-cache
 	// to support end-to-end reload requests
 	// https://tools.ietf.org/html/rfc2616#section-14.9.4
-	var cacheControl = ctx.Get(HeaderCacheControl)
+	cacheControl := ctx.Get(HeaderCacheControl)
 	if cacheControl != "" && cacheControlNoCacheRegexp.MatchString(cacheControl) {
 		return false
 	}
@@ -447,16 +447,15 @@ func (ctx *Ctx) Fresh() bool {
 		if etag == "" {
 			return false
 		}
-		var etagStal = true
+		var etagStale = true
 		var matches = parseTokenList(getBytes(noneMatch))
-		for i := range matches {
+		for _, match := range matches {
-			match := matches[i]
 			if match == etag || match == "W/"+etag || "W/"+match == etag {
-				etagStal = false
+				etagStale = false
 				break
 			}
 		}
-		if etagStal {
+		if etagStale {
 			return false
 		}
 
@@ -716,19 +715,30 @@ func (ctx *Ctx) Query(key string, defaultValue ...string) string {
 	return defaultString(getString(ctx.Fasthttp.QueryArgs().Peek(key)), defaultValue)
 }
 
+var (
+	ErrRangeMalformed     = errors.New("range: malformed range header string")
+	ErrRangeUnsatisfiable = errors.New("range: unsatisfiable range")
+)
+
 // Range returns a struct containing the type and a slice of ranges.
 func (ctx *Ctx) Range(size int) (rangeData Range, err error) {
 	rangeStr := ctx.Get(HeaderRange)
 	if rangeStr == "" || !strings.Contains(rangeStr, "=") {
-		return rangeData, fmt.Errorf("range: malformed range header string")
+		err = ErrRangeMalformed
+		return
 	}
 	data := strings.Split(rangeStr, "=")
+	if len(data) != 2 {
+		err = ErrRangeMalformed
+		return
+	}
 	rangeData.Type = data[0]
 	arr := strings.Split(data[1], ",")
 	for i := 0; i < len(arr); i++ {
 		item := strings.Split(arr[i], "-")
 		if len(item) == 1 {
-			return rangeData, fmt.Errorf("range: malformed range header string")
+			err = ErrRangeMalformed
+			return
 		}
 		start, startErr := strconv.Atoi(item[0])
 		end, endErr := strconv.Atoi(item[1])
@@ -753,9 +763,11 @@ func (ctx *Ctx) Range(size int) (rangeData Range, err error) {
 		})
 	}
 	if len(rangeData.Ranges) < 1 {
-		return rangeData, fmt.Errorf("range: unsatisfiable range")
+		err = ErrRangeUnsatisfiable
+		return
 	}
-	return rangeData, nil
+
+	return
 }
 
 // Redirect to the URL derived from the specified path, with specified status.

ctx_test.go

@@ -172,8 +172,30 @@ func Test_Ctx_Append(t *testing.T) {
 	ctx.Append("X-Test", "Hello")
 	ctx.Append("X-Test", "World")
 	ctx.Append("X-Test", "Hello", "World")
+	// similar value in the middle
+	ctx.Append("X2-Test", "World")
+	ctx.Append("X2-Test", "XHello")
+	ctx.Append("X2-Test", "Hello", "World")
+	// similar value at the start
+	ctx.Append("X3-Test", "XHello")
+	ctx.Append("X3-Test", "World")
+	ctx.Append("X3-Test", "Hello", "World")
+	// try it with multiple similar values
+	ctx.Append("X4-Test", "XHello")
+	ctx.Append("X4-Test", "Hello")
+	ctx.Append("X4-Test", "HelloZ")
+	ctx.Append("X4-Test", "YHello")
+	ctx.Append("X4-Test", "Hello")
+	ctx.Append("X4-Test", "YHello")
+	ctx.Append("X4-Test", "HelloZ")
+	ctx.Append("X4-Test", "XHello")
+	// without append value
 	ctx.Append("X-Custom-Header")
+
 	utils.AssertEqual(t, "Hello, World", string(ctx.Fasthttp.Response.Header.Peek("X-Test")))
+	utils.AssertEqual(t, "World, XHello, Hello", string(ctx.Fasthttp.Response.Header.Peek("X2-Test")))
+	utils.AssertEqual(t, "XHello, World, Hello", string(ctx.Fasthttp.Response.Header.Peek("X3-Test")))
+	utils.AssertEqual(t, "XHello, Hello, HelloZ, YHello", string(ctx.Fasthttp.Response.Header.Peek("X4-Test")))
 	utils.AssertEqual(t, "", string(ctx.Fasthttp.Response.Header.Peek("x-custom-header")))
 }
 
@@ -356,24 +378,29 @@ func Test_Ctx_Format(t *testing.T) {
 	app := New()
 	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
 	defer app.ReleaseCtx(ctx)
-	ctx.Fasthttp.Request.Header.Set(HeaderAccept, "plain/text")
+	ctx.Fasthttp.Request.Header.Set(HeaderAccept, MIMETextPlain)
 	ctx.Format([]byte("Hello, World!"))
 	utils.AssertEqual(t, "Hello, World!", string(ctx.Fasthttp.Response.Body()))
 
-	ctx.Fasthttp.Request.Header.Set(HeaderAccept, "text/html")
+	ctx.Fasthttp.Request.Header.Set(HeaderAccept, MIMETextHTML)
 	ctx.Format("Hello, World!")
 	utils.AssertEqual(t, "<p>Hello, World!</p>", string(ctx.Fasthttp.Response.Body()))
 
-	ctx.Fasthttp.Request.Header.Set(HeaderAccept, "application/json")
+	ctx.Fasthttp.Request.Header.Set(HeaderAccept, MIMEApplicationJSON)
 	ctx.Format("Hello, World!")
 	utils.AssertEqual(t, `"Hello, World!"`, string(ctx.Fasthttp.Response.Body()))
+	ctx.Format(complex(1, 1))
+	utils.AssertEqual(t, "(1+1i)", string(ctx.Fasthttp.Response.Body()))
 
-	ctx.Fasthttp.Request.Header.Set(HeaderAccept, "application/xml")
+	ctx.Fasthttp.Request.Header.Set(HeaderAccept, MIMEApplicationXML)
 	ctx.Format("Hello, World!")
 	utils.AssertEqual(t, `<string>Hello, World!</string>`, string(ctx.Fasthttp.Response.Body()))
+	ctx.Format(Map{})
+	utils.AssertEqual(t, "map[]", string(ctx.Fasthttp.Response.Body()))
 
+	type broken string
 	ctx.Fasthttp.Request.Header.Set(HeaderAccept, "broken/accept")
-	ctx.Format("Hello, World!")
+	ctx.Format(broken("Hello, World!"))
 	utils.AssertEqual(t, `Hello, World!`, string(ctx.Fasthttp.Response.Body()))
 }
 
@@ -506,6 +533,31 @@ func Test_Ctx_Fresh(t *testing.T) {
 	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
 	defer app.ReleaseCtx(ctx)
 	utils.AssertEqual(t, false, ctx.Fresh())
+
+	ctx.Fasthttp.Request.Header.Set(HeaderIfNoneMatch, "*")
+	ctx.Fasthttp.Request.Header.Set(HeaderCacheControl, "no-cache")
+	utils.AssertEqual(t, false, ctx.Fresh())
+
+	ctx.Fasthttp.Request.Header.Set(HeaderIfNoneMatch, "675af34563dc-tr34")
+	ctx.Fasthttp.Request.Header.Set(HeaderCacheControl, "public")
+	utils.AssertEqual(t, false, ctx.Fresh())
+
+	ctx.Fasthttp.Request.Header.Set(HeaderIfNoneMatch, "a, b")
+	ctx.Fasthttp.Response.Header.Set(HeaderETag, "c")
+	utils.AssertEqual(t, false, ctx.Fresh())
+
+	ctx.Fasthttp.Response.Header.Set(HeaderETag, "a")
+	utils.AssertEqual(t, true, ctx.Fresh())
+
+	ctx.Fasthttp.Request.Header.Set(HeaderIfModifiedSince, "xxWed, 21 Oct 2015 07:28:00 GMT")
+	ctx.Fasthttp.Response.Header.Set(HeaderLastModified, "xxWed, 21 Oct 2015 07:28:00 GMT")
+	utils.AssertEqual(t, false, ctx.Fresh())
+
+	ctx.Fasthttp.Response.Header.Set(HeaderLastModified, "Wed, 21 Oct 2015 07:28:00 GMT")
+	utils.AssertEqual(t, false, ctx.Fresh())
+
+	ctx.Fasthttp.Request.Header.Set(HeaderIfModifiedSince, "Wed, 21 Oct 2015 07:28:00 GMT")
+	utils.AssertEqual(t, false, ctx.Fresh())
 }
 
 // go test -run Test_Ctx_Get
@@ -783,12 +835,40 @@ func Test_Ctx_Range(t *testing.T) {
 	app := New()
 	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
 	defer app.ReleaseCtx(ctx)
-	ctx.Fasthttp.Request.Header.Set(HeaderRange, "bytes=500-700")
+
-	result, err := ctx.Range(1000)
+	var (
-	utils.AssertEqual(t, nil, err)
+		result Range
-	utils.AssertEqual(t, "bytes", result.Type)
+		err    error
-	utils.AssertEqual(t, 500, result.Ranges[0].Start)
+	)
-	utils.AssertEqual(t, 700, result.Ranges[0].End)
+
+	result, err = ctx.Range(1000)
+	utils.AssertEqual(t, true, err != nil)
+
+	ctx.Fasthttp.Request.Header.Set(HeaderRange, "bytes=500")
+	result, err = ctx.Range(1000)
+	utils.AssertEqual(t, true, err != nil)
+
+	ctx.Fasthttp.Request.Header.Set(HeaderRange, "bytes=500=")
+	result, err = ctx.Range(1000)
+	utils.AssertEqual(t, true, err != nil)
+
+	ctx.Fasthttp.Request.Header.Set(HeaderRange, "bytes=500-300")
+	result, err = ctx.Range(1000)
+	utils.AssertEqual(t, true, err != nil)
+
+	testRange := func(header string, start, end int) {
+		ctx.Fasthttp.Request.Header.Set(HeaderRange, header)
+		result, err = ctx.Range(1000)
+		utils.AssertEqual(t, nil, err)
+		utils.AssertEqual(t, "bytes", result.Type)
+		utils.AssertEqual(t, start, result.Ranges[0].Start)
+		utils.AssertEqual(t, end, result.Ranges[0].End)
+	}
+
+	testRange("bytes=a-700", 300, 999)
+	testRange("bytes=500-b", 500, 999)
+	testRange("bytes=500-1000", 500, 999)
+	testRange("bytes=500-700", 500, 700)
 }
 
 // go test -run Test_Ctx_Route
@@ -801,6 +881,13 @@ func Test_Ctx_Route(t *testing.T) {
 	resp, err := app.Test(httptest.NewRequest(MethodGet, "/test", nil))
 	utils.AssertEqual(t, nil, err, "app.Test(req)")
 	utils.AssertEqual(t, StatusOK, resp.StatusCode, "Status code")
+
+	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
+	defer app.ReleaseCtx(ctx)
+
+	utils.AssertEqual(t, "/", ctx.Route().Path)
+	utils.AssertEqual(t, MethodGet, ctx.Route().Method)
+	utils.AssertEqual(t, 0, len(ctx.Route().Handlers))
 }
 
 // go test -run Test_Ctx_RouteNormalized
@@ -1011,6 +1098,9 @@ func Test_Ctx_JSON(t *testing.T) {
 	app := New()
 	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
 	defer app.ReleaseCtx(ctx)
+
+	utils.AssertEqual(t, true, ctx.JSON(complex(1, 1)) != nil)
+
 	ctx.JSON(Map{ // map has no order
 		"Name": "Grame",
 		"Age":  20,
@@ -1059,7 +1149,17 @@ func Test_Ctx_JSONP(t *testing.T) {
 	app := New()
 	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
 	defer app.ReleaseCtx(ctx)
-	ctx.JSONP(Map{ // map has no order
+
+	utils.AssertEqual(t, true, ctx.JSONP(complex(1, 1)) != nil)
+
+	ctx.JSONP(Map{
+		"Name": "Grame",
+		"Age":  20,
+	})
+	utils.AssertEqual(t, `callback({"Age":20,"Name":"Grame"});`, string(ctx.Fasthttp.Response.Body()))
+	utils.AssertEqual(t, "application/javascript; charset=utf-8", string(ctx.Fasthttp.Response.Header.Peek("content-type")))
+
+	ctx.JSONP(Map{
 		"Name": "Grame",
 		"Age":  20,
 	}, "john")
@@ -1097,6 +1197,10 @@ func Test_Ctx_Links(t *testing.T) {
 	app := New()
 	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
 	defer app.ReleaseCtx(ctx)
+
+	ctx.Links()
+	utils.AssertEqual(t, "", string(ctx.Fasthttp.Response.Header.Peek(HeaderLink)))
+
 	ctx.Links(
 		"http://api.example.com/users?page=2", "next",
 		"http://api.example.com/users?page=5", "last",
@@ -1164,6 +1268,11 @@ func Test_Ctx_Redirect(t *testing.T) {
 	app := New()
 	ctx := app.AcquireCtx(&fasthttp.RequestCtx{})
 	defer app.ReleaseCtx(ctx)
+
+	ctx.Redirect("http://default.com")
+	utils.AssertEqual(t, 302, ctx.Fasthttp.Response.StatusCode())
+	utils.AssertEqual(t, "http://default.com", string(ctx.Fasthttp.Response.Header.Peek(HeaderLocation)))
+
 	ctx.Redirect("http://example.com", 301)
 	utils.AssertEqual(t, 301, ctx.Fasthttp.Response.StatusCode())
 	utils.AssertEqual(t, "http://example.com", string(ctx.Fasthttp.Response.Header.Peek(HeaderLocation)))
@@ -1420,6 +1529,7 @@ func Test_Ctx_Write(t *testing.T) {
 	ctx.Write("Hello, ")
 	ctx.Write([]byte("World! "))
 	ctx.Write(123)
+	ctx.Write(123.321)
 	ctx.Write(true)
 	ctx.Write(bytes.NewReader([]byte("Don't crash please")))
 	utils.AssertEqual(t, "Don't crash please", string(ctx.Fasthttp.Response.Body()))
@@ -1553,6 +1663,11 @@ func Test_Ctx_QueryParser(t *testing.T) {
 	q := new(Query)
 	utils.AssertEqual(t, nil, ctx.QueryParser(q))
 	utils.AssertEqual(t, 2, len(q.Hobby))
+
+	empty := new(Query)
+	ctx.Fasthttp.Request.URI().SetQueryString("")
+	utils.AssertEqual(t, nil, ctx.QueryParser(empty))
+	utils.AssertEqual(t, 0, len(empty.Hobby))
 }
 
 // go test -v  -run=^$ -bench=Benchmark_Ctx_QueryParser -benchmem -count=4

middleware/request_id_test.go

@@ -82,6 +82,11 @@ func Test_Middleware_RequestID_Options_And_WithConfig(t *testing.T) {
 			header:  RequestIDConfigDefault.Header,
 			handler: RequestID(func() string { return "fake-id" }),
 		},
+		{
+			idLen:   UUIDLen,
+			header:  RequestIDConfigDefault.Header,
+			handler: RequestID(RequestIDConfig{}),
+		},
 	}
 
 	for _, testCase := range testCases {

router.go

@@ -114,7 +114,7 @@ func (app *App) next(ctx *Ctx) bool {
 		return true
 	}
 	// If c.Next() does not match, return 404
-	ctx.SendStatus(404)
+	ctx.SendStatus(StatusNotFound)
 	ctx.SendString("Cannot " + ctx.method + " " + ctx.pathOriginal)
 
 	// Scan stack for other methods
@@ -279,7 +279,7 @@ func (app *App) registerStatic(prefix, root string, config ...Static) *Route {
 			return path
 		},
 		PathNotFound: func(ctx *fasthttp.RequestCtx) {
-			ctx.Response.SetStatusCode(404)
+			ctx.Response.SetStatusCode(StatusNotFound)
 		},
 	}
 	// Set config if provided
@@ -297,12 +297,12 @@ func (app *App) registerStatic(prefix, root string, config ...Static) *Route {
 		fileHandler(c.Fasthttp)
 		// Return request if found and not forbidden
 		status := c.Fasthttp.Response.StatusCode()
-		if status != 404 && status != 403 {
+		if status != StatusNotFound && status != StatusForbidden {
 			return
 		}
 		// Reset response to default
 		c.Fasthttp.SetContentType("") // Issue #420
-		c.Fasthttp.Response.SetStatusCode(200)
+		c.Fasthttp.Response.SetStatusCode(StatusOK)
 		c.Fasthttp.Response.SetBodyString("")
 		// Next middleware
 		c.Next()

utils.go

@@ -17,6 +17,7 @@ import (
 	fasthttp "github.com/valyala/fasthttp"
 )
 
+// quoteString escape special characters in a given string
 func quoteString(raw string) string {
 	bb := bytebufferpool.Get()
 	quoted := string(fasthttp.AppendQuotedArg(bb.B, getBytes(raw)))
@@ -76,7 +77,7 @@ func defaultString(value string, defaultValue []string) string {
 // Generate and set ETag header to response
 func setETag(ctx *Ctx, weak bool) {
 	// Don't generate ETags for invalid responses
-	if ctx.Fasthttp.Response.StatusCode() != 200 {
+	if ctx.Fasthttp.Response.StatusCode() != StatusOK {
 		return
 	}
 	body := ctx.Fasthttp.Response.Body()
@@ -101,7 +102,7 @@ func setETag(ctx *Ctx, weak bool) {
 		// Check if server's ETag is weak
 		if clientEtag[2:] == etag || clientEtag[2:] == etag[2:] {
 			// W/1 == 1 || W/1 == W/1
-			ctx.SendStatus(304)
+			ctx.SendStatus(StatusNotModified)
 			ctx.Fasthttp.ResetBody()
 			return
 		}
@@ -111,7 +112,7 @@ func setETag(ctx *Ctx, weak bool) {
 	}
 	if strings.Contains(clientEtag, etag) {
 		// 1 == 1
-		ctx.SendStatus(304)
+		ctx.SendStatus(StatusNotModified)
 		ctx.Fasthttp.ResetBody()
 		return
 	}

utils_test.go

@@ -15,11 +15,40 @@ import (
 
 func Test_Utils_ETag(t *testing.T) {
 	app := New()
-	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+	t.Run("Not Status OK", func(t *testing.T) {
-	defer app.ReleaseCtx(c)
+		c := app.AcquireCtx(&fasthttp.RequestCtx{})
-	c.Send("Hello, World!")
+		defer app.ReleaseCtx(c)
-	setETag(c, false)
+		c.Send("Hello, World!")
-	utils.AssertEqual(t, `"13-1831710635"`, string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+		c.Status(201)
+		setETag(c, false)
+		utils.AssertEqual(t, "", string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+	})
+
+	t.Run("No Body", func(t *testing.T) {
+		c := app.AcquireCtx(&fasthttp.RequestCtx{})
+		defer app.ReleaseCtx(c)
+		setETag(c, false)
+		utils.AssertEqual(t, "", string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+	})
+
+	t.Run("Has HeaderIfNoneMatch", func(t *testing.T) {
+		c := app.AcquireCtx(&fasthttp.RequestCtx{})
+		defer app.ReleaseCtx(c)
+		c.Send("Hello, World!")
+		c.Fasthttp.Request.Header.Set(HeaderIfNoneMatch, `"13-1831710635"`)
+		setETag(c, false)
+		utils.AssertEqual(t, 304, c.Fasthttp.Response.StatusCode())
+		utils.AssertEqual(t, "", string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+		utils.AssertEqual(t, "", string(c.Fasthttp.Response.Body()))
+	})
+
+	t.Run("No HeaderIfNoneMatch", func(t *testing.T) {
+		c := app.AcquireCtx(&fasthttp.RequestCtx{})
+		defer app.ReleaseCtx(c)
+		c.Send("Hello, World!")
+		setETag(c, false)
+		utils.AssertEqual(t, `"13-1831710635"`, string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+	})
 }
 
 // go test -v -run=^$ -bench=Benchmark_App_ETag -benchmem -count=4
@@ -36,11 +65,33 @@ func Benchmark_Utils_ETag(b *testing.B) {
 
 func Test_Utils_ETag_Weak(t *testing.T) {
 	app := New()
-	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+	t.Run("Set Weak", func(t *testing.T) {
-	defer app.ReleaseCtx(c)
+		c := app.AcquireCtx(&fasthttp.RequestCtx{})
-	c.Send("Hello, World!")
+		defer app.ReleaseCtx(c)
-	setETag(c, true)
+		c.Send("Hello, World!")
-	utils.AssertEqual(t, `W/"13-1831710635"`, string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+		setETag(c, true)
+		utils.AssertEqual(t, `W/"13-1831710635"`, string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+	})
+
+	t.Run("Match Weak ETag", func(t *testing.T) {
+		c := app.AcquireCtx(&fasthttp.RequestCtx{})
+		defer app.ReleaseCtx(c)
+		c.Send("Hello, World!")
+		c.Fasthttp.Request.Header.Set(HeaderIfNoneMatch, `W/"13-1831710635"`)
+		setETag(c, true)
+		utils.AssertEqual(t, 304, c.Fasthttp.Response.StatusCode())
+		utils.AssertEqual(t, "", string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+		utils.AssertEqual(t, "", string(c.Fasthttp.Response.Body()))
+	})
+
+	t.Run("Not Match Weak ETag", func(t *testing.T) {
+		c := app.AcquireCtx(&fasthttp.RequestCtx{})
+		defer app.ReleaseCtx(c)
+		c.Send("Hello, World!")
+		c.Fasthttp.Request.Header.Set(HeaderIfNoneMatch, `W/"13-1831710635xx"`)
+		setETag(c, true)
+		utils.AssertEqual(t, `W/"13-1831710635"`, string(c.Fasthttp.Response.Header.Peek(HeaderETag)))
+	})
 }
 
 // go test -v -run=^$ -bench=Benchmark_App_ETag_Weak -benchmem -count=4