package echo
import (
"bytes"
"net/http"
"net/http/httptest"
"testing"
"reflect"
"strings"
"errors"
"time"
"github.com/stretchr/testify/assert"
)
type (
user struct {
ID int `json:"id" xml:"id" form:"id" query:"id"`
Name string `json:"name" xml:"name" form:"name" query:"name"`
}
)
const (
userJSON = `{"id":1,"name":"Jon Snow"}`
userXML = `1Jon Snow`
userForm = `id=1&name=Jon Snow`
invalidContent = "invalid content"
)
const userJSONPretty = `{
"id": 1,
"name": "Jon Snow"
}`
const userXMLPretty = `
1
Jon Snow
`
func TestEcho(t *testing.T) {
e := New()
req := httptest.NewRequest(GET, "/", nil)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
// Router
assert.NotNil(t, e.Router())
// DefaultHTTPErrorHandler
e.DefaultHTTPErrorHandler(errors.New("error"), c)
assert.Equal(t, http.StatusInternalServerError, rec.Code)
}
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(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
assert.Empty(t, c.Path())
buf.WriteString("-1")
return next(c)
}
})
e.Use(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
buf.WriteString("1")
return next(c)
}
})
e.Use(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
buf.WriteString("2")
return next(c)
}
})
e.Use(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
buf.WriteString("3")
return next(c)
}
})
// 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(func(next HandlerFunc) HandlerFunc {
return 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 TestEchoWrapHandler(t *testing.T) {
e := New()
req := httptest.NewRequest(GET, "/", nil)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
h := WrapHandler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Write([]byte("test"))
}))
if assert.NoError(t, h(c)) {
assert.Equal(t, http.StatusOK, rec.Code)
assert.Equal(t, "test", rec.Body.String())
}
}
func TestEchoWrapMiddleware(t *testing.T) {
e := New()
req := httptest.NewRequest(GET, "/", nil)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
buf := new(bytes.Buffer)
mw := WrapMiddleware(func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buf.Write([]byte("mw"))
h.ServeHTTP(w, r)
})
})
h := mw(func(c Context) error {
return c.String(http.StatusOK, "OK")
})
if assert.NoError(t, h(c)) {
assert.Equal(t, "mw", buf.String())
assert.Equal(t, http.StatusOK, rec.Code)
assert.Equal(t, "OK", rec.Body.String())
}
}
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 _, r := range e.Routes() {
found := false
for _, rr := range routes {
if r.Method == rr.Method && r.Path == rr.Path {
found = true
break
}
}
if !found {
t.Errorf("Route %s : %s not found", r.Method, r.Path)
}
}
}
func TestEchoEncodedPath(t *testing.T) {
e := New()
e.GET("/:id", func(c Context) error {
return c.NoContent(http.StatusOK)
})
req := httptest.NewRequest(GET, "/with%2Fslash", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusOK, rec.Code)
}
func TestEchoGroup(t *testing.T) {
e := New()
buf := new(bytes.Buffer)
e.Use(MiddlewareFunc(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
buf.WriteString("0")
return next(c)
}
}))
h := func(c Context) error {
return c.NoContent(http.StatusOK)
}
//--------
// Routes
//--------
e.GET("/users", h)
// Group
g1 := e.Group("/group1")
g1.Use(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
buf.WriteString("1")
return next(c)
}
})
g1.GET("", h)
// Nested groups with middleware
g2 := e.Group("/group2")
g2.Use(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
buf.WriteString("2")
return next(c)
}
})
g3 := g2.Group("/group3")
g3.Use(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
buf.WriteString("3")
return next(c)
}
})
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 := httptest.NewRequest(GET, "/files", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusNotFound, rec.Code)
}
func TestEchoMethodNotAllowed(t *testing.T) {
e := New()
e.GET("/", func(c Context) error {
return c.String(http.StatusOK, "Echo!")
})
req := httptest.NewRequest(POST, "/", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusMethodNotAllowed, rec.Code)
}
func TestEchoContext(t *testing.T) {
e := New()
c := e.AcquireContext()
assert.IsType(t, new(context), c)
e.ReleaseContext(c)
}
func TestEchoStart(t *testing.T) {
e := New()
go func() {
assert.NoError(t, e.Start(":0"))
}()
time.Sleep(200 * time.Millisecond)
}
func TestEchoStartTLS(t *testing.T) {
e := New()
go func() {
assert.NoError(t, e.StartTLS(":0", "_fixture/certs/cert.pem", "_fixture/certs/key.pem"))
}()
time.Sleep(200 * time.Millisecond)
}
func testMethod(t *testing.T, method, path string, e *Echo) {
p := reflect.ValueOf(path)
h := reflect.ValueOf(func(c Context) error {
return c.String(http.StatusOK, method)
})
i := interface{}(e)
reflect.ValueOf(i).MethodByName(method).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 := httptest.NewRequest(method, path, nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
return rec.Code, rec.Body.String()
}