func TestResponse(t *testing.T) {
w := httptest.NewRecorder()
r := NewResponse(w)
// SetWriter
r.SetWriter(w)
// Writer
assert.Equal(t, w, r.Writer())
// Header
assert.NotNil(t, r.Header())
// WriteHeader
r.WriteHeader(http.StatusOK)
assert.Equal(t, http.StatusOK, r.status)
// Committed
assert.True(t, r.committed)
// Already committed
r.WriteHeader(http.StatusTeapot)
assert.NotEqual(t, http.StatusTeapot, r.Status())
// Status
r.status = http.StatusOK
assert.Equal(t, http.StatusOK, r.Status())
// Write
s := "echo"
_, err := r.Write([]byte(s))
assert.NoError(t, err)
// Flush
r.Flush()
// Size
assert.EqualValues(t, len(s), r.Size())
// Hijack
assert.Panics(t, func() {
r.Hijack()
})
// CloseNotify
assert.Panics(t, func() {
r.CloseNotify()
})
// reset
r.reset(httptest.NewRecorder())
}
func TestEchoHandler(t *testing.T) {
e := New()
// HandlerFunc
e.Get("/1", HandlerFunc(func(c *Context) error {
return c.String(http.StatusOK, "1")
}))
// func(*echo.Context) error
e.Get("/2", func(c *Context) error {
return c.String(http.StatusOK, "2")
})
// http.Handler/http.HandlerFunc
e.Get("/3", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("3"))
}))
// func(http.ResponseWriter, *http.Request)
e.Get("/4", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("4"))
})
for _, p := range []string{"1", "2", "3", "4"} {
c, b := request(GET, "/"+p, e)
assert.Equal(t, http.StatusOK, c)
assert.Equal(t, p, b)
}
// Unknown
assert.Panics(t, func() {
e.Get("/5", nil)
})
}
func TestEchoMiddleware(t *testing.T) {
e := New()
buf := new(bytes.Buffer)
// echo.MiddlewareFunc
e.Use(MiddlewareFunc(func(h HandlerFunc) HandlerFunc {
return func(c *Context) error {
buf.WriteString("a")
return h(c)
}
}))
// func(echo.HandlerFunc) echo.HandlerFunc
e.Use(func(h HandlerFunc) HandlerFunc {
return func(c *Context) error {
buf.WriteString("b")
return h(c)
}
})
// echo.HandlerFunc
e.Use(HandlerFunc(func(c *Context) error {
buf.WriteString("c")
return nil
}))
// func(*echo.Context) error
e.Use(func(c *Context) error {
buf.WriteString("d")
return nil
})
// func(http.Handler) http.Handler
e.Use(func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buf.WriteString("e")
h.ServeHTTP(w, r)
})
})
// http.Handler
e.Use(http.Handler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buf.WriteString("f")
})))
// http.HandlerFunc
e.Use(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buf.WriteString("g")
}))
// func(http.ResponseWriter, *http.Request)
e.Use(func(w http.ResponseWriter, r *http.Request) {
buf.WriteString("h")
})
// Unknown
assert.Panics(t, func() {
e.Use(nil)
})
// Route
e.Get("/", func(c *Context) error {
return c.String(http.StatusOK, "Hello!")
})
c, b := request(GET, "/", e)
assert.Equal(t, "abcdefgh", buf.String())
assert.Equal(t, http.StatusOK, c)
assert.Equal(t, "Hello!", b)
// Error
e.Use(func(*Context) error {
return errors.New("error")
})
c, b = request(GET, "/", e)
assert.Equal(t, http.StatusInternalServerError, c)
}