package echo import ( "bytes" "fmt" "net/http" "testing" "reflect" "strings" "errors" "github.com/labstack/echo/test" "github.com/stretchr/testify/assert" ) type ( user struct { ID int `json:"id" xml:"id" form:"id"` Name string `json:"name" xml:"name" form:"name"` } ) const ( userJSON = `{"id":1,"name":"Jon Snow"}` userXML = `1Jon Snow` userForm = `id=1&name=Jon Snow` invalidContent = "invalid content" ) func TestEcho(t *testing.T) { e := New() req := test.NewRequest(GET, "/", nil) rec := test.NewResponseRecorder() c := e.NewContext(req, rec) // Router assert.NotNil(t, e.Router()) // Debug e.SetDebug(true) assert.True(t, e.debug) // DefaultHTTPErrorHandler e.DefaultHTTPErrorHandler(errors.New("error"), c) assert.Equal(t, http.StatusInternalServerError, rec.Status()) } func TestEchoStatic(t *testing.T) { e := New() // OK e.Static("/images", "_fixture/images") c, b := request(GET, "/images/walle.png", e) assert.Equal(t, http.StatusOK, c) assert.NotEmpty(t, b) // No file e.Static("/images", "_fixture/scripts") c, _ = request(GET, "/images/bolt.png", e) assert.Equal(t, http.StatusNotFound, c) // Directory e.Static("/images", "_fixture/images") c, _ = request(GET, "/images", e) assert.Equal(t, http.StatusNotFound, c) // Directory with index.html e.Static("/", "_fixture") c, r := request(GET, "/", e) assert.Equal(t, http.StatusOK, c) assert.Equal(t, true, strings.HasPrefix(r, "")) // Sub-directory with index.html c, r = request(GET, "/folder", e) assert.Equal(t, http.StatusOK, c) assert.Equal(t, true, strings.HasPrefix(r, "")) } func TestEchoFile(t *testing.T) { e := New() e.File("/walle", "_fixture/images/walle.png") c, b := request(GET, "/walle", e) assert.Equal(t, http.StatusOK, c) assert.NotEmpty(t, b) } func TestEchoMiddleware(t *testing.T) { e := New() buf := new(bytes.Buffer) e.Pre(WrapMiddleware(func(c Context) error { assert.Empty(t, c.Path()) buf.WriteString("-1") return nil })) e.Use(WrapMiddleware(func(c Context) error { buf.WriteString("1") return nil })) e.Use(WrapMiddleware(func(c Context) error { buf.WriteString("2") return nil })) e.Use(WrapMiddleware(func(c Context) error { buf.WriteString("3") return nil })) // Route e.GET("/", func(c Context) error { return c.String(http.StatusOK, "OK") }) c, b := request(GET, "/", e) assert.Equal(t, "-1123", buf.String()) assert.Equal(t, http.StatusOK, c) assert.Equal(t, "OK", b) } func TestEchoMiddlewareError(t *testing.T) { e := New() e.Use(WrapMiddleware(func(c Context) error { return errors.New("error") })) e.GET("/", notFoundHandler) c, _ := request(GET, "/", e) assert.Equal(t, http.StatusInternalServerError, c) } func TestEchoHandler(t *testing.T) { e := New() // HandlerFunc e.GET("/ok", func(c Context) error { return c.String(http.StatusOK, "OK") }) c, b := request(GET, "/ok", e) assert.Equal(t, http.StatusOK, c) assert.Equal(t, "OK", b) } func TestEchoConnect(t *testing.T) { e := New() testMethod(t, CONNECT, "/", e) } func TestEchoDelete(t *testing.T) { e := New() testMethod(t, DELETE, "/", e) } func TestEchoGet(t *testing.T) { e := New() testMethod(t, GET, "/", e) } func TestEchoHead(t *testing.T) { e := New() testMethod(t, HEAD, "/", e) } func TestEchoOptions(t *testing.T) { e := New() testMethod(t, OPTIONS, "/", e) } func TestEchoPatch(t *testing.T) { e := New() testMethod(t, PATCH, "/", e) } func TestEchoPost(t *testing.T) { e := New() testMethod(t, POST, "/", e) } func TestEchoPut(t *testing.T) { e := New() testMethod(t, PUT, "/", e) } func TestEchoTrace(t *testing.T) { e := New() testMethod(t, TRACE, "/", e) } func TestEchoAny(t *testing.T) { // JFC e := New() e.Any("/", func(c Context) error { return c.String(http.StatusOK, "Any") }) } func TestEchoMatch(t *testing.T) { // JFC e := New() e.Match([]string{GET, POST}, "/", func(c Context) error { return c.String(http.StatusOK, "Match") }) } func TestEchoURL(t *testing.T) { e := New() static := func(Context) error { return nil } getUser := func(Context) error { return nil } getFile := func(Context) error { return nil } e.GET("/static/file", static) e.GET("/users/:id", getUser) g := e.Group("/group") g.Get("/users/:uid/files/:fid", getFile) assert.Equal(t, "/static/file", e.URL(static)) assert.Equal(t, "/users/:id", e.URL(getUser)) assert.Equal(t, "/users/1", e.URL(getUser, "1")) assert.Equal(t, "/group/users/1/files/:fid", e.URL(getFile, "1")) assert.Equal(t, "/group/users/1/files/1", e.URL(getFile, "1", "1")) } func TestEchoRoutes(t *testing.T) { e := New() routes := []Route{ {GET, "/users/:user/events", ""}, {GET, "/users/:user/events/public", ""}, {POST, "/repos/:owner/:repo/git/refs", ""}, {POST, "/repos/:owner/:repo/git/tags", ""}, } for _, r := range routes { e.add(r.Method, r.Path, func(c Context) error { return c.String(http.StatusOK, "OK") }) } for i, r := range e.Routes() { assert.Equal(t, routes[i].Method, r.Method) assert.Equal(t, routes[i].Path, r.Path) } } func TestEchoGroup(t *testing.T) { e := New() buf := new(bytes.Buffer) e.Use(MiddlewareFunc(func(h HandlerFunc) HandlerFunc { return func(c Context) error { buf.WriteString("0") return h(c) } })) h := func(c Context) error { return c.NoContent(http.StatusOK) } //-------- // Routes //-------- e.GET("/users", h) // Group g1 := e.Group("/group1") g1.Use(WrapMiddleware(func(c Context) error { buf.WriteString("1") return h(c) })) g1.Get("", h) // Nested groups with middleware g2 := e.Group("/group2") g2.Use(WrapMiddleware(func(c Context) error { buf.WriteString("2") return nil })) g3 := g2.Group("/group3") g3.Use(WrapMiddleware(func(c Context) error { buf.WriteString("3") return nil })) g3.Get("", h) request(GET, "/users", e) assert.Equal(t, "0", buf.String()) buf.Reset() request(GET, "/group1", e) assert.Equal(t, "01", buf.String()) buf.Reset() request(GET, "/group2/group3", e) assert.Equal(t, "023", buf.String()) } func TestEchoNotFound(t *testing.T) { e := New() req := test.NewRequest(GET, "/files", nil) rec := test.NewResponseRecorder() e.ServeHTTP(req, rec) assert.Equal(t, http.StatusNotFound, rec.Status()) } func TestEchoMethodNotAllowed(t *testing.T) { e := New() e.GET("/", func(c Context) error { return c.String(http.StatusOK, "Echo!") }) req := test.NewRequest(POST, "/", nil) rec := test.NewResponseRecorder() e.ServeHTTP(req, rec) assert.Equal(t, http.StatusMethodNotAllowed, rec.Status()) } func TestEchoHTTPError(t *testing.T) { m := http.StatusText(http.StatusBadRequest) he := NewHTTPError(http.StatusBadRequest, m) assert.Equal(t, http.StatusBadRequest, he.Code) assert.Equal(t, m, he.Error()) } func testMethod(t *testing.T, method, path string, e *Echo) { m := fmt.Sprintf("%c%s", method[0], strings.ToLower(method[1:])) p := reflect.ValueOf(path) h := reflect.ValueOf(func(c Context) error { return c.String(http.StatusOK, method) }) i := interface{}(e) reflect.ValueOf(i).MethodByName(m).Call([]reflect.Value{p, h}) _, body := request(method, path, e) if body != method { t.Errorf("expected body `%s`, got %s.", method, body) } } func request(method, path string, e *Echo) (int, string) { req := test.NewRequest(method, path, nil) rec := test.NewResponseRecorder() e.ServeHTTP(req, rec) return rec.Status(), rec.Body.String() } func TestEchoBinder(t *testing.T) { e := New() b := &binder{} e.SetBinder(b) assert.Equal(t, b, e.Binder()) }