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echo_test.go
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echo_test.go
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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 = `<user><id>1</id><name>Jon Snow</name></user>`
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, "<!doctype html>"))
// Sub-directory with index.html
c, r = request(GET, "/folder", e)
assert.Equal(t, http.StatusOK, c)
assert.Equal(t, true, strings.HasPrefix(r, "<!doctype html>"))
}
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())
}