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echo_test.go
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package echo
import (
"bytes"
"fmt"
"net/http"
"net/http/httptest"
"testing"
"reflect"
"strings"
"errors"
"github.com/stretchr/testify/assert"
"golang.org/x/net/websocket"
)
type (
user struct {
ID string `json:"id" xml:"id"`
Name string `json:"name" xml:"name"`
}
)
func TestEcho(t *testing.T) {
e := New()
req, _ := http.NewRequest(GET, "/", nil)
rec := httptest.NewRecorder()
c := NewContext(req, NewResponse(rec), e)
// 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.Code)
}
func TestEchoIndex(t *testing.T) {
e := New()
e.Index("examples/website/public/index.html")
c, b := request(GET, "/", e)
assert.Equal(t, http.StatusOK, c)
assert.NotEmpty(t, b)
}
func TestEchoFavicon(t *testing.T) {
e := New()
e.Favicon("examples/website/public/favicon.ico")
c, b := request(GET, "/favicon.ico", e)
assert.Equal(t, http.StatusOK, c)
assert.NotEmpty(t, b)
}
func TestEchoStatic(t *testing.T) {
e := New()
// OK
e.Static("/scripts", "examples/website/public/scripts")
c, b := request(GET, "/scripts/main.js", e)
assert.Equal(t, http.StatusOK, c)
assert.NotEmpty(t, b)
// No file
e.Static("/scripts", "examples/website/public/scripts")
c, _ = request(GET, "/scripts/index.js", e)
assert.Equal(t, http.StatusNotFound, c)
// Directory
e.Static("/scripts", "examples/website/public/scripts")
c, _ = request(GET, "/scripts", e)
assert.Equal(t, http.StatusForbidden, c)
// Directory with index.html
e.Static("/", "examples/website/public")
c, r := request(GET, "/", e)
assert.Equal(t, http.StatusOK, c)
assert.Equal(t, true, strings.HasPrefix(r, "<!doctype html>"))
// Sub-directory with index.html
c, r = request(GET, "/folder", e)
assert.Equal(t, http.StatusOK, c)
assert.Equal(t, "sub directory", r)
}
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)
}
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 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 TestEchoWebSocket(t *testing.T) {
e := New()
e.WebSocket("/ws", func(c *Context) error {
c.socket.Write([]byte("test"))
return nil
})
srv := httptest.NewServer(e)
defer srv.Close()
addr := srv.Listener.Addr().String()
origin := "http://localhost"
url := fmt.Sprintf("ws://%s/ws", addr)
ws, err := websocket.Dial(url, "", origin)
if assert.NoError(t, err) {
ws.Write([]byte("test"))
defer ws.Close()
buf := new(bytes.Buffer)
buf.ReadFrom(ws)
assert.Equal(t, "test", buf.String())
}
}
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()
h := func(*Context) error { return nil }
routes := []Route{
{GET, "/users/:user/events", h},
{GET, "/users/:user/events/public", h},
{POST, "/repos/:owner/:repo/git/refs", h},
{POST, "/repos/:owner/:repo/git/tags", h},
}
for _, r := range routes {
e.add(r.Method, r.Path, h)
}
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(func(*Context) error {
buf.WriteString("0")
return nil
})
h := func(*Context) error { return nil }
//--------
// Routes
//--------
e.Get("/users", h)
// Group
g1 := e.Group("/group1")
g1.Use(func(*Context) error {
buf.WriteString("1")
return nil
})
g1.Get("/", h)
// Group with no parent middleware
g2 := e.Group("/group2", func(*Context) error {
buf.WriteString("2")
return nil
})
g2.Get("/", h)
// Nested groups
g3 := e.Group("/group3")
g4 := g3.Group("/group4")
g4.Get("/", func(c *Context) error {
return c.NoContent(http.StatusOK)
})
request(GET, "/users", e)
// println(len(e.middleware))
assert.Equal(t, "0", buf.String())
buf.Reset()
request(GET, "/group1/", e)
// println(len(g1.echo.middleware))
assert.Equal(t, "01", buf.String())
buf.Reset()
request(GET, "/group2/", e)
assert.Equal(t, "2", buf.String())
buf.Reset()
c, _ := request(GET, "/group3/group4/", e)
assert.Equal(t, http.StatusOK, c)
}
func TestEchoNotFound(t *testing.T) {
e := New()
r, _ := http.NewRequest(GET, "/files", nil)
w := httptest.NewRecorder()
e.ServeHTTP(w, r)
assert.Equal(t, http.StatusNotFound, w.Code)
}
func TestEchoBadRequest(t *testing.T) {
e := New()
r, _ := http.NewRequest("INVALID", "/files", nil)
w := httptest.NewRecorder()
e.ServeHTTP(w, r)
assert.Equal(t, http.StatusBadRequest, w.Code)
}
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 TestEchoServer(t *testing.T) {
e := New()
s := e.Server(":1323")
assert.IsType(t, &http.Server{}, s)
}
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) {
r, _ := http.NewRequest(method, path, nil)
w := httptest.NewRecorder()
e.ServeHTTP(w, r)
return w.Code, w.Body.String()
}