diff --git a/binding/binding_test.go b/binding/binding_test.go index 740749be..1044e6c2 100644 --- a/binding/binding_test.go +++ b/binding/binding_test.go @@ -516,28 +516,28 @@ func createFormPostRequestFail() *http.Request { return req } -func createFormMultipartRequest() *http.Request { +func createFormMultipartRequest(t *testing.T) *http.Request { boundary := "--testboundary" body := new(bytes.Buffer) mw := multipart.NewWriter(body) defer mw.Close() - mw.SetBoundary(boundary) - mw.WriteField("foo", "bar") - mw.WriteField("bar", "foo") + assert.NoError(t, mw.SetBoundary(boundary)) + assert.NoError(t, mw.WriteField("foo", "bar")) + assert.NoError(t, mw.WriteField("bar", "foo")) req, _ := http.NewRequest("POST", "/?foo=getfoo&bar=getbar", body) req.Header.Set("Content-Type", MIMEMultipartPOSTForm+"; boundary="+boundary) return req } -func createFormMultipartRequestFail() *http.Request { +func createFormMultipartRequestFail(t *testing.T) *http.Request { boundary := "--testboundary" body := new(bytes.Buffer) mw := multipart.NewWriter(body) defer mw.Close() - mw.SetBoundary(boundary) - mw.WriteField("map_foo", "bar") + assert.NoError(t, mw.SetBoundary(boundary)) + assert.NoError(t, mw.WriteField("map_foo", "bar")) req, _ := http.NewRequest("POST", "/?map_foo=getfoo", body) req.Header.Set("Content-Type", MIMEMultipartPOSTForm+"; boundary="+boundary) return req @@ -546,7 +546,7 @@ func createFormMultipartRequestFail() *http.Request { func TestBindingFormPost(t *testing.T) { req := createFormPostRequest() var obj FooBarStruct - FormPost.Bind(req, &obj) + assert.NoError(t, FormPost.Bind(req, &obj)) assert.Equal(t, "form-urlencoded", FormPost.Name()) assert.Equal(t, "bar", obj.Foo) @@ -556,7 +556,7 @@ func TestBindingFormPost(t *testing.T) { func TestBindingDefaultValueFormPost(t *testing.T) { req := createDefaultFormPostRequest() var obj FooDefaultBarStruct - FormPost.Bind(req, &obj) + assert.NoError(t, FormPost.Bind(req, &obj)) assert.Equal(t, "bar", obj.Foo) assert.Equal(t, "hello", obj.Bar) @@ -570,9 +570,9 @@ func TestBindingFormPostFail(t *testing.T) { } func TestBindingFormMultipart(t *testing.T) { - req := createFormMultipartRequest() + req := createFormMultipartRequest(t) var obj FooBarStruct - FormMultipart.Bind(req, &obj) + assert.NoError(t, FormMultipart.Bind(req, &obj)) assert.Equal(t, "multipart/form-data", FormMultipart.Name()) assert.Equal(t, "bar", obj.Foo) @@ -580,7 +580,7 @@ func TestBindingFormMultipart(t *testing.T) { } func TestBindingFormMultipartFail(t *testing.T) { - req := createFormMultipartRequestFail() + req := createFormMultipartRequestFail(t) var obj FooStructForMapType err := FormMultipart.Bind(req, &obj) assert.Error(t, err) diff --git a/binding/form.go b/binding/form.go index 0be59660..8955c95b 100644 --- a/binding/form.go +++ b/binding/form.go @@ -20,7 +20,11 @@ func (formBinding) Bind(req *http.Request, obj interface{}) error { if err := req.ParseForm(); err != nil { return err } - req.ParseMultipartForm(defaultMemory) + if err := req.ParseMultipartForm(defaultMemory); err != nil { + if err != http.ErrNotMultipart { + return err + } + } if err := mapForm(obj, req.Form); err != nil { return err } diff --git a/context.go b/context.go index c94926e1..4dc94ea9 100644 --- a/context.go +++ b/context.go @@ -415,7 +415,11 @@ func (c *Context) PostFormArray(key string) []string { // a boolean value whether at least one value exists for the given key. func (c *Context) GetPostFormArray(key string) ([]string, bool) { req := c.Request - req.ParseMultipartForm(c.engine.MaxMultipartMemory) + if err := req.ParseMultipartForm(c.engine.MaxMultipartMemory); err != nil { + if err != http.ErrNotMultipart { + debugPrint("error on parse multipart form array: %v", err) + } + } if values := req.PostForm[key]; len(values) > 0 { return values, true } @@ -437,7 +441,11 @@ func (c *Context) PostFormMap(key string) map[string]string { // whether at least one value exists for the given key. func (c *Context) GetPostFormMap(key string) (map[string]string, bool) { req := c.Request - req.ParseMultipartForm(c.engine.MaxMultipartMemory) + if err := req.ParseMultipartForm(c.engine.MaxMultipartMemory); err != nil { + if err != http.ErrNotMultipart { + debugPrint("error on parse multipart form map: %v", err) + } + } dicts, exist := c.get(req.PostForm, key) if !exist && req.MultipartForm != nil && req.MultipartForm.File != nil { @@ -493,8 +501,8 @@ func (c *Context) SaveUploadedFile(file *multipart.FileHeader, dst string) error } defer out.Close() - io.Copy(out, src) - return nil + _, err = io.Copy(out, src) + return err } // Bind checks the Content-Type to select a binding engine automatically, @@ -534,7 +542,7 @@ func (c *Context) BindYAML(obj interface{}) error { // It will abort the request with HTTP 400 if any error occurs. func (c *Context) BindUri(obj interface{}) error { if err := c.ShouldBindUri(obj); err != nil { - c.AbortWithError(http.StatusBadRequest, err).SetType(ErrorTypeBind) + c.AbortWithError(http.StatusBadRequest, err).SetType(ErrorTypeBind) // nolint: errcheck return err } return nil @@ -545,7 +553,7 @@ func (c *Context) BindUri(obj interface{}) error { // See the binding package. func (c *Context) MustBindWith(obj interface{}, b binding.Binding) error { if err := c.ShouldBindWith(obj, b); err != nil { - c.AbortWithError(http.StatusBadRequest, err).SetType(ErrorTypeBind) + c.AbortWithError(http.StatusBadRequest, err).SetType(ErrorTypeBind) // nolint: errcheck return err } return nil @@ -913,7 +921,7 @@ func (c *Context) Negotiate(code int, config Negotiate) { c.XML(code, data) default: - c.AbortWithError(http.StatusNotAcceptable, errors.New("the accepted formats are not offered by the server")) + c.AbortWithError(http.StatusNotAcceptable, errors.New("the accepted formats are not offered by the server")) // nolint: errcheck } } diff --git a/context_test.go b/context_test.go index 836b3ecb..29ec1a24 100644 --- a/context_test.go +++ b/context_test.go @@ -70,7 +70,8 @@ func TestContextFormFile(t *testing.T) { mw := multipart.NewWriter(buf) w, err := mw.CreateFormFile("file", "test") if assert.NoError(t, err) { - w.Write([]byte("test")) + _, err = w.Write([]byte("test")) + assert.NoError(t, err) } mw.Close() c, _ := CreateTestContext(httptest.NewRecorder()) @@ -100,10 +101,11 @@ func TestContextFormFileFailed(t *testing.T) { func TestContextMultipartForm(t *testing.T) { buf := new(bytes.Buffer) mw := multipart.NewWriter(buf) - mw.WriteField("foo", "bar") + assert.NoError(t, mw.WriteField("foo", "bar")) w, err := mw.CreateFormFile("file", "test") if assert.NoError(t, err) { - w.Write([]byte("test")) + _, err = w.Write([]byte("test")) + assert.NoError(t, err) } mw.Close() c, _ := CreateTestContext(httptest.NewRecorder()) @@ -137,7 +139,8 @@ func TestSaveUploadedCreateFailed(t *testing.T) { mw := multipart.NewWriter(buf) w, err := mw.CreateFormFile("file", "test") if assert.NoError(t, err) { - w.Write([]byte("test")) + _, err = w.Write([]byte("test")) + assert.NoError(t, err) } mw.Close() c, _ := CreateTestContext(httptest.NewRecorder()) @@ -159,7 +162,7 @@ func TestContextReset(t *testing.T) { c.index = 2 c.Writer = &responseWriter{ResponseWriter: httptest.NewRecorder()} c.Params = Params{Param{}} - c.Error(errors.New("test")) + c.Error(errors.New("test")) // nolint: errcheck c.Set("foo", "bar") c.reset() @@ -798,7 +801,7 @@ func TestContextRenderHTML2(t *testing.T) { assert.Len(t, router.trees, 1) templ := template.Must(template.New("t").Parse(`Hello {{.name}}`)) - re := captureOutput(func() { + re := captureOutput(t, func() { SetMode(DebugMode) router.SetHTMLTemplate(templ) SetMode(TestMode) @@ -1211,7 +1214,8 @@ func TestContextAbortWithStatusJSON(t *testing.T) { assert.Equal(t, "application/json; charset=utf-8", contentType) buf := new(bytes.Buffer) - buf.ReadFrom(w.Body) + _, err := buf.ReadFrom(w.Body) + assert.NoError(t, err) jsonStringBody := buf.String() assert.Equal(t, fmt.Sprint(`{"foo":"fooValue","bar":"barValue"}`), jsonStringBody) } @@ -1220,11 +1224,11 @@ func TestContextError(t *testing.T) { c, _ := CreateTestContext(httptest.NewRecorder()) assert.Empty(t, c.Errors) - c.Error(errors.New("first error")) + c.Error(errors.New("first error")) // nolint: errcheck assert.Len(t, c.Errors, 1) assert.Equal(t, "Error #01: first error\n", c.Errors.String()) - c.Error(&Error{ + c.Error(&Error{ // nolint: errcheck Err: errors.New("second error"), Meta: "some data 2", Type: ErrorTypePublic, @@ -1246,13 +1250,13 @@ func TestContextError(t *testing.T) { t.Error("didn't panic") } }() - c.Error(nil) + c.Error(nil) // nolint: errcheck } func TestContextTypedError(t *testing.T) { c, _ := CreateTestContext(httptest.NewRecorder()) - c.Error(errors.New("externo 0")).SetType(ErrorTypePublic) - c.Error(errors.New("interno 0")).SetType(ErrorTypePrivate) + 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) @@ -1267,7 +1271,7 @@ func TestContextAbortWithError(t *testing.T) { w := httptest.NewRecorder() c, _ := CreateTestContext(w) - c.AbortWithError(http.StatusUnauthorized, errors.New("bad input")).SetMeta("some input") + 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) @@ -1713,7 +1717,8 @@ func TestContextStream(t *testing.T) { stopStream = false }() - w.Write([]byte("test")) + _, err := w.Write([]byte("test")) + assert.NoError(t, err) return stopStream }) @@ -1730,7 +1735,8 @@ func TestContextStreamWithClientGone(t *testing.T) { w.closeClient() }() - writer.Write([]byte("test")) + _, err := writer.Write([]byte("test")) + assert.NoError(t, err) return true }) diff --git a/debug_test.go b/debug_test.go index 97ff166b..b3485d70 100644 --- a/debug_test.go +++ b/debug_test.go @@ -32,7 +32,7 @@ func TestIsDebugging(t *testing.T) { } func TestDebugPrint(t *testing.T) { - re := captureOutput(func() { + re := captureOutput(t, func() { SetMode(DebugMode) SetMode(ReleaseMode) debugPrint("DEBUG this!") @@ -46,7 +46,7 @@ func TestDebugPrint(t *testing.T) { } func TestDebugPrintError(t *testing.T) { - re := captureOutput(func() { + re := captureOutput(t, func() { SetMode(DebugMode) debugPrintError(nil) debugPrintError(errors.New("this is an error")) @@ -56,7 +56,7 @@ func TestDebugPrintError(t *testing.T) { } func TestDebugPrintRoutes(t *testing.T) { - re := captureOutput(func() { + re := captureOutput(t, func() { SetMode(DebugMode) debugPrintRoute("GET", "/path/to/route/:param", HandlersChain{func(c *Context) {}, handlerNameTest}) SetMode(TestMode) @@ -65,7 +65,7 @@ func TestDebugPrintRoutes(t *testing.T) { } func TestDebugPrintLoadTemplate(t *testing.T) { - re := captureOutput(func() { + re := captureOutput(t, func() { SetMode(DebugMode) templ := template.Must(template.New("").Delims("{[{", "}]}").ParseGlob("./testdata/template/hello.tmpl")) debugPrintLoadTemplate(templ) @@ -75,7 +75,7 @@ func TestDebugPrintLoadTemplate(t *testing.T) { } func TestDebugPrintWARNINGSetHTMLTemplate(t *testing.T) { - re := captureOutput(func() { + re := captureOutput(t, func() { SetMode(DebugMode) debugPrintWARNINGSetHTMLTemplate() SetMode(TestMode) @@ -84,7 +84,7 @@ func TestDebugPrintWARNINGSetHTMLTemplate(t *testing.T) { } func TestDebugPrintWARNINGDefault(t *testing.T) { - re := captureOutput(func() { + re := captureOutput(t, func() { SetMode(DebugMode) debugPrintWARNINGDefault() SetMode(TestMode) @@ -98,7 +98,7 @@ func TestDebugPrintWARNINGDefault(t *testing.T) { } func TestDebugPrintWARNINGNew(t *testing.T) { - re := captureOutput(func() { + re := captureOutput(t, func() { SetMode(DebugMode) debugPrintWARNINGNew() SetMode(TestMode) @@ -106,7 +106,7 @@ func TestDebugPrintWARNINGNew(t *testing.T) { assert.Equal(t, "[GIN-debug] [WARNING] Running in \"debug\" mode. Switch to \"release\" mode in production.\n - using env:\texport GIN_MODE=release\n - using code:\tgin.SetMode(gin.ReleaseMode)\n\n", re) } -func captureOutput(f func()) string { +func captureOutput(t *testing.T, f func()) string { reader, writer, err := os.Pipe() if err != nil { panic(err) @@ -127,7 +127,8 @@ func captureOutput(f func()) string { go func() { var buf bytes.Buffer wg.Done() - io.Copy(&buf, reader) + _, err := io.Copy(&buf, reader) + assert.NoError(t, err) out <- buf.String() }() wg.Wait() diff --git a/errors_test.go b/errors_test.go index 9351b578..6aae1c10 100644 --- a/errors_test.go +++ b/errors_test.go @@ -34,7 +34,7 @@ func TestError(t *testing.T) { jsonBytes, _ := json.Marshal(err) assert.Equal(t, "{\"error\":\"test error\",\"meta\":\"some data\"}", string(jsonBytes)) - err.SetMeta(H{ + err.SetMeta(H{ // nolint: errcheck "status": "200", "data": "some data", }) @@ -44,7 +44,7 @@ func TestError(t *testing.T) { "data": "some data", }, err.JSON()) - err.SetMeta(H{ + err.SetMeta(H{ // nolint: errcheck "error": "custom error", "status": "200", "data": "some data", @@ -59,7 +59,7 @@ func TestError(t *testing.T) { status string data string } - err.SetMeta(customError{status: "200", data: "other data"}) + err.SetMeta(customError{status: "200", data: "other data"}) // nolint: errcheck assert.Equal(t, customError{status: "200", data: "other data"}, err.JSON()) } diff --git a/gin.go b/gin.go index b7c77e1f..cd47200f 100644 --- a/gin.go +++ b/gin.go @@ -422,7 +422,10 @@ func serveError(c *Context, code int, defaultMessage []byte) { } if c.writermem.Status() == code { c.writermem.Header()["Content-Type"] = mimePlain - c.Writer.Write(defaultMessage) + _, err := c.Writer.Write(defaultMessage) + if err != nil { + debugPrint("cannot write message to writer during serve error: %v", err) + } return } c.writermem.WriteHeaderNow() diff --git a/gin_integration_test.go b/gin_integration_test.go index 01d5cf5e..3ce6d80a 100644 --- a/gin_integration_test.go +++ b/gin_integration_test.go @@ -87,7 +87,7 @@ func TestRunEmptyWithEnv(t *testing.T) { func TestRunTooMuchParams(t *testing.T) { router := New() assert.Panics(t, func() { - router.Run("2", "2") + assert.NoError(t, router.Run("2", "2")) }) } diff --git a/githubapi_test.go b/githubapi_test.go index 5253425a..50faca09 100644 --- a/githubapi_test.go +++ b/githubapi_test.go @@ -338,7 +338,7 @@ func TestBindUriError(t *testing.T) { } router.Handle("GET", "/new/rest/:num", func(c *Context) { var m Member - c.BindUri(&m) + assert.Error(t, c.BindUri(&m)) }) path1, _ := exampleFromPath("/new/rest/:num") diff --git a/logger_test.go b/logger_test.go index 350599d4..d0169251 100644 --- a/logger_test.go +++ b/logger_test.go @@ -278,13 +278,13 @@ func TestErrorLogger(t *testing.T) { router := New() router.Use(ErrorLogger()) router.GET("/error", func(c *Context) { - c.Error(errors.New("this is an error")) + c.Error(errors.New("this is an error")) // nolint: errcheck }) router.GET("/abort", func(c *Context) { - c.AbortWithError(http.StatusUnauthorized, errors.New("no authorized")) + c.AbortWithError(http.StatusUnauthorized, errors.New("no authorized")) // nolint: errcheck }) router.GET("/print", func(c *Context) { - c.Error(errors.New("this is an error")) + c.Error(errors.New("this is an error")) // nolint: errcheck c.String(http.StatusInternalServerError, "hola!") }) diff --git a/middleware_test.go b/middleware_test.go index 983ad933..fca1c530 100644 --- a/middleware_test.go +++ b/middleware_test.go @@ -208,7 +208,7 @@ func TestMiddlewareFailHandlersChain(t *testing.T) { router := New() router.Use(func(context *Context) { signature += "A" - context.AbortWithError(http.StatusInternalServerError, errors.New("foo")) + context.AbortWithError(http.StatusInternalServerError, errors.New("foo")) // nolint: errcheck }) router.Use(func(context *Context) { signature += "B" diff --git a/recovery.go b/recovery.go index f06ad56b..0e35968f 100644 --- a/recovery.go +++ b/recovery.go @@ -66,7 +66,7 @@ func RecoveryWithWriter(out io.Writer) HandlerFunc { // If the connection is dead, we can't write a status to it. if brokenPipe { - c.Error(err.(error)) + c.Error(err.(error)) // nolint: errcheck c.Abort() } else { c.AbortWithStatus(http.StatusInternalServerError) diff --git a/render/json.go b/render/json.go index 32d0fc42..c7cf330e 100644 --- a/render/json.go +++ b/render/json.go @@ -67,8 +67,8 @@ func WriteJSON(w http.ResponseWriter, obj interface{}) error { if err != nil { return err } - w.Write(jsonBytes) - return nil + _, err = w.Write(jsonBytes) + return err } // Render (IndentedJSON) marshals the given interface object and writes it with custom ContentType. @@ -78,8 +78,8 @@ func (r IndentedJSON) Render(w http.ResponseWriter) error { if err != nil { return err } - w.Write(jsonBytes) - return nil + _, err = w.Write(jsonBytes) + return err } // WriteContentType (IndentedJSON) writes JSON ContentType. @@ -96,10 +96,13 @@ func (r SecureJSON) Render(w http.ResponseWriter) error { } // if the jsonBytes is array values if bytes.HasPrefix(jsonBytes, []byte("[")) && bytes.HasSuffix(jsonBytes, []byte("]")) { - w.Write([]byte(r.Prefix)) + _, err = w.Write([]byte(r.Prefix)) + if err != nil { + return err + } } - w.Write(jsonBytes) - return nil + _, err = w.Write(jsonBytes) + return err } // WriteContentType (SecureJSON) writes JSON ContentType. @@ -116,15 +119,27 @@ func (r JsonpJSON) Render(w http.ResponseWriter) (err error) { } if r.Callback == "" { - w.Write(ret) - return nil + _, err = w.Write(ret) + return err } callback := template.JSEscapeString(r.Callback) - w.Write([]byte(callback)) - w.Write([]byte("(")) - w.Write(ret) - w.Write([]byte(")")) + _, err = w.Write([]byte(callback)) + if err != nil { + return err + } + _, err = w.Write([]byte("(")) + if err != nil { + return err + } + _, err = w.Write(ret) + if err != nil { + return err + } + _, err = w.Write([]byte(")")) + if err != nil { + return err + } return nil } @@ -151,8 +166,8 @@ func (r AsciiJSON) Render(w http.ResponseWriter) (err error) { buffer.WriteString(cvt) } - w.Write(buffer.Bytes()) - return nil + _, err = w.Write(buffer.Bytes()) + return err } // WriteContentType (AsciiJSON) writes JSON ContentType. diff --git a/render/protobuf.go b/render/protobuf.go index 47895072..15aca995 100644 --- a/render/protobuf.go +++ b/render/protobuf.go @@ -26,8 +26,8 @@ func (r ProtoBuf) Render(w http.ResponseWriter) error { return err } - w.Write(bytes) - return nil + _, err = w.Write(bytes) + return err } // WriteContentType (ProtoBuf) writes ProtoBuf ContentType. diff --git a/render/render_test.go b/render/render_test.go index 4c9b180d..3df04a17 100644 --- a/render/render_test.go +++ b/render/render_test.go @@ -71,7 +71,7 @@ func TestRenderJSONPanics(t *testing.T) { data := make(chan int) // json: unsupported type: chan int - assert.Panics(t, func() { (JSON{data}).Render(w) }) + assert.Panics(t, func() { assert.NoError(t, (JSON{data}).Render(w)) }) } func TestRenderIndentedJSON(t *testing.T) { @@ -335,7 +335,7 @@ func TestRenderRedirect(t *testing.T) { } w = httptest.NewRecorder() - assert.Panics(t, func() { data2.Render(w) }) + assert.Panics(t, func() { assert.NoError(t, data2.Render(w)) }) // only improve coverage data2.WriteContentType(w) diff --git a/render/text.go b/render/text.go index 2ea7343c..4e52d4c5 100644 --- a/render/text.go +++ b/render/text.go @@ -20,8 +20,7 @@ var plainContentType = []string{"text/plain; charset=utf-8"} // Render (String) writes data with custom ContentType. func (r String) Render(w http.ResponseWriter) error { - WriteString(w, r.Format, r.Data) - return nil + return WriteString(w, r.Format, r.Data) } // WriteContentType (String) writes Plain ContentType. @@ -30,11 +29,12 @@ func (r String) WriteContentType(w http.ResponseWriter) { } // WriteString writes data according to its format and write custom ContentType. -func WriteString(w http.ResponseWriter, format string, data []interface{}) { +func WriteString(w http.ResponseWriter, format string, data []interface{}) (err error) { writeContentType(w, plainContentType) if len(data) > 0 { - fmt.Fprintf(w, format, data...) + _, err = fmt.Fprintf(w, format, data...) return } - io.WriteString(w, format) + _, err = io.WriteString(w, format) + return } diff --git a/render/yaml.go b/render/yaml.go index 33bc3254..0df78360 100644 --- a/render/yaml.go +++ b/render/yaml.go @@ -26,8 +26,8 @@ func (r YAML) Render(w http.ResponseWriter) error { return err } - w.Write(bytes) - return nil + _, err = w.Write(bytes) + return err } // WriteContentType (YAML) writes YAML ContentType for response. diff --git a/response_writer_test.go b/response_writer_test.go index cc5a89dc..a5e111e5 100644 --- a/response_writer_test.go +++ b/response_writer_test.go @@ -103,7 +103,8 @@ func TestResponseWriterHijack(t *testing.T) { w := ResponseWriter(writer) assert.Panics(t, func() { - w.Hijack() + _, _, err := w.Hijack() + assert.NoError(t, err) }) assert.True(t, w.Written()) diff --git a/routes_test.go b/routes_test.go index c4d59725..af4caf7f 100644 --- a/routes_test.go +++ b/routes_test.go @@ -251,7 +251,8 @@ func TestRouteStaticFile(t *testing.T) { t.Error(err) } defer os.Remove(f.Name()) - f.WriteString("Gin Web Framework") + _, err = f.WriteString("Gin Web Framework") + assert.NoError(t, err) f.Close() dir, filename := filepath.Split(f.Name())