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// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: © 2015 LabStack LLC and Echo contributors
package echo
import (
"bytes"
stdContext "context"
"errors"
"fmt"
"io/fs"
"log/slog"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"runtime"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
type user struct {
ID int `json:"id" xml:"id" form:"id" query:"id" param:"id" header:"id"`
Name string `json:"name" xml:"name" form:"name" query:"name" param:"name" header:"name"`
}
const (
userJSON = `{"id":1,"name":"Jon Snow"}`
usersJSON = `[{"id":1,"name":"Jon Snow"}]`
userXML = `<user><id>1</id><name>Jon Snow</name></user>`
userForm = `id=1&name=Jon Snow`
invalidContent = "invalid content"
userJSONInvalidType = `{"id":"1","name":"Jon Snow"}`
userXMLConvertNumberError = `<user><id>Number one</id><name>Jon Snow</name></user>`
userXMLUnsupportedTypeError = `<user><>Number one</><name>Jon Snow</name></user>`
)
const userJSONPretty = `{
"id": 1,
"name": "Jon Snow"
}`
const userXMLPretty = `<user>
<id>1</id>
<name>Jon Snow</name>
</user>`
var dummyQuery = url.Values{"dummy": []string{"useless"}}
func TestEcho(t *testing.T) {
e := New()
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
// Router
assert.NotNil(t, e.Router())
e.HTTPErrorHandler(c, errors.New("error"))
assert.Equal(t, http.StatusInternalServerError, rec.Code)
}
func TestNewWithConfig(t *testing.T) {
e := NewWithConfig(Config{})
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
e.GET("/", func(c *Context) error {
return c.String(http.StatusTeapot, "Hello, World!")
})
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusTeapot, rec.Code)
assert.Equal(t, `Hello, World!`, rec.Body.String())
}
func TestEcho_StaticFS(t *testing.T) {
var testCases = []struct {
givenFs fs.FS
name string
givenPrefix string
givenFsRoot string
whenURL string
expectHeaderLocation string
expectBodyStartsWith string
expectStatus int
}{
{
name: "ok",
givenPrefix: "/images",
givenFs: os.DirFS("./_fixture/images"),
whenURL: "/images/walle.png",
expectStatus: http.StatusOK,
expectBodyStartsWith: string([]byte{0x89, 0x50, 0x4e, 0x47}),
},
{
name: "ok, from sub fs",
givenPrefix: "/images",
givenFs: MustSubFS(os.DirFS("./_fixture/"), "images"),
whenURL: "/images/walle.png",
expectStatus: http.StatusOK,
expectBodyStartsWith: string([]byte{0x89, 0x50, 0x4e, 0x47}),
},
{
name: "No file",
givenPrefix: "/images",
givenFs: os.DirFS("_fixture/scripts"),
whenURL: "/images/bolt.png",
expectStatus: http.StatusNotFound,
expectBodyStartsWith: "{\"message\":\"Not Found\"}\n",
},
{
name: "Directory",
givenPrefix: "/images",
givenFs: os.DirFS("_fixture/images"),
whenURL: "/images/",
expectStatus: http.StatusNotFound,
expectBodyStartsWith: "{\"message\":\"Not Found\"}\n",
},
{
name: "Directory Redirect",
givenPrefix: "/",
givenFs: os.DirFS("_fixture/"),
whenURL: "/folder",
expectStatus: http.StatusMovedPermanently,
expectHeaderLocation: "/folder/",
expectBodyStartsWith: "",
},
{
name: "Directory Redirect with non-root path",
givenPrefix: "/static",
givenFs: os.DirFS("_fixture"),
whenURL: "/static",
expectStatus: http.StatusMovedPermanently,
expectHeaderLocation: "/static/",
expectBodyStartsWith: "",
},
{
name: "Prefixed directory 404 (request URL without slash)",
givenPrefix: "/folder/", // trailing slash will intentionally not match "/folder"
givenFs: os.DirFS("_fixture"),
whenURL: "/folder", // no trailing slash
expectStatus: http.StatusNotFound,
expectBodyStartsWith: "{\"message\":\"Not Found\"}\n",
},
{
name: "Prefixed directory redirect (without slash redirect to slash)",
givenPrefix: "/folder", // no trailing slash shall match /folder and /folder/*
givenFs: os.DirFS("_fixture"),
whenURL: "/folder", // no trailing slash
expectStatus: http.StatusMovedPermanently,
expectHeaderLocation: "/folder/",
expectBodyStartsWith: "",
},
{
name: "Directory with index.html",
givenPrefix: "/",
givenFs: os.DirFS("_fixture"),
whenURL: "/",
expectStatus: http.StatusOK,
expectBodyStartsWith: "<!doctype html>",
},
{
name: "Prefixed directory with index.html (prefix ending with slash)",
givenPrefix: "/assets/",
givenFs: os.DirFS("_fixture"),
whenURL: "/assets/",
expectStatus: http.StatusOK,
expectBodyStartsWith: "<!doctype html>",
},
{
name: "Prefixed directory with index.html (prefix ending without slash)",
givenPrefix: "/assets",
givenFs: os.DirFS("_fixture"),
whenURL: "/assets/",
expectStatus: http.StatusOK,
expectBodyStartsWith: "<!doctype html>",
},
{
name: "Sub-directory with index.html",
givenPrefix: "/",
givenFs: os.DirFS("_fixture"),
whenURL: "/folder/",
expectStatus: http.StatusOK,
expectBodyStartsWith: "<!doctype html>",
},
{
name: "do not allow directory traversal (backslash - windows separator)",
givenPrefix: "/",
givenFs: os.DirFS("_fixture/"),
whenURL: `/..\\middleware/basic_auth.go`,
expectStatus: http.StatusNotFound,
expectBodyStartsWith: "{\"message\":\"Not Found\"}\n",
},
{
name: "do not allow directory traversal (slash - unix separator)",
givenPrefix: "/",
givenFs: os.DirFS("_fixture/"),
whenURL: `/../middleware/basic_auth.go`,
expectStatus: http.StatusNotFound,
expectBodyStartsWith: "{\"message\":\"Not Found\"}\n",
},
{
name: "open redirect vulnerability",
givenPrefix: "/",
givenFs: os.DirFS("_fixture/"),
whenURL: "/open.redirect.hackercom%2f..",
expectStatus: http.StatusMovedPermanently,
expectHeaderLocation: "/open.redirect.hackercom/../", // location starting with `//open` would be very bad
expectBodyStartsWith: "",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
e := New()
tmpFs := tc.givenFs
if tc.givenFsRoot != "" {
tmpFs = MustSubFS(tmpFs, tc.givenFsRoot)
}
e.StaticFS(tc.givenPrefix, tmpFs)
req := httptest.NewRequest(http.MethodGet, tc.whenURL, nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, tc.expectStatus, rec.Code)
body := rec.Body.String()
if tc.expectBodyStartsWith != "" {
assert.True(t, strings.HasPrefix(body, tc.expectBodyStartsWith))
} else {
assert.Equal(t, "", body)
}
if tc.expectHeaderLocation != "" {
assert.Equal(t, tc.expectHeaderLocation, rec.Result().Header["Location"][0])
} else {
_, ok := rec.Result().Header["Location"]
assert.False(t, ok)
}
})
}
}
func TestEcho_FileFS(t *testing.T) {
var testCases = []struct {
whenFS fs.FS
name string
whenPath string
whenFile string
givenURL string
expectStartsWith []byte
expectCode int
}{
{
name: "ok",
whenPath: "/walle",
whenFS: os.DirFS("_fixture/images"),
whenFile: "walle.png",
givenURL: "/walle",
expectCode: http.StatusOK,
expectStartsWith: []byte{0x89, 0x50, 0x4e},
},
{
name: "nok, requesting invalid path",
whenPath: "/walle",
whenFS: os.DirFS("_fixture/images"),
whenFile: "walle.png",
givenURL: "/walle.png",
expectCode: http.StatusNotFound,
expectStartsWith: []byte(`{"message":"Not Found"}`),
},
{
name: "nok, serving not existent file from filesystem",
whenPath: "/walle",
whenFS: os.DirFS("_fixture/images"),
whenFile: "not-existent.png",
givenURL: "/walle",
expectCode: http.StatusNotFound,
expectStartsWith: []byte(`{"message":"Not Found"}`),
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
e := New()
e.FileFS(tc.whenPath, tc.whenFile, tc.whenFS)
req := httptest.NewRequest(http.MethodGet, tc.givenURL, nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, tc.expectCode, rec.Code)
body := rec.Body.Bytes()
if len(body) > len(tc.expectStartsWith) {
body = body[:len(tc.expectStartsWith)]
}
assert.Equal(t, tc.expectStartsWith, body)
})
}
}
func TestEcho_StaticPanic(t *testing.T) {
var testCases = []struct {
name string
givenRoot string
}{
{
name: "panics for ../",
givenRoot: "../assets",
},
{
name: "panics for /",
givenRoot: "/assets",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
e := New()
e.Filesystem = os.DirFS("./")
assert.Panics(t, func() {
e.Static("../assets", tc.givenRoot)
})
})
}
}
func TestEchoStaticRedirectIndex(t *testing.T) {
e := New()
// HandlerFunc
ri := e.Static("/static", "_fixture")
assert.Equal(t, http.MethodGet, ri.Method)
assert.Equal(t, "/static*", ri.Path)
assert.Equal(t, "GET:/static*", ri.Name)
assert.Equal(t, []string{"*"}, ri.Parameters)
ctx, cancel := stdContext.WithTimeout(stdContext.Background(), 200*time.Millisecond)
defer cancel()
addr, err := startOnRandomPort(ctx, e)
if err != nil {
assert.Fail(t, err.Error())
}
code, body, err := doGet(fmt.Sprintf("http://%v/static", addr))
assert.NoError(t, err)
assert.True(t, strings.HasPrefix(body, "<!doctype html>"))
assert.Equal(t, http.StatusOK, code)
}
func TestEchoFile(t *testing.T) {
var testCases = []struct {
name string
givenPath string
givenFile string
whenPath string
expectStartsWith string
expectCode int
}{
{
name: "ok",
givenPath: "/walle",
givenFile: "_fixture/images/walle.png",
whenPath: "/walle",
expectCode: http.StatusOK,
expectStartsWith: string([]byte{0x89, 0x50, 0x4e}),
},
{
name: "ok with relative path",
givenPath: "/",
givenFile: "./go.mod",
whenPath: "/",
expectCode: http.StatusOK,
expectStartsWith: "module github.com/labstack/echo/v",
},
{
name: "nok file does not exist",
givenPath: "/",
givenFile: "./this-file-does-not-exist",
whenPath: "/",
expectCode: http.StatusNotFound,
expectStartsWith: "{\"message\":\"Not Found\"}\n",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
e := New() // we are using echo.defaultFS instance
e.File(tc.givenPath, tc.givenFile)
c, b := request(http.MethodGet, tc.whenPath, e)
assert.Equal(t, tc.expectCode, c)
if len(b) > len(tc.expectStartsWith) {
b = b[:len(tc.expectStartsWith)]
}
assert.Equal(t, tc.expectStartsWith, b)
})
}
}
func TestEchoMiddleware(t *testing.T) {
e := New()
buf := new(bytes.Buffer)
e.Pre(func(next HandlerFunc) HandlerFunc {
return func(c *Context) error {
// before route match is found RouteInfo does not exist
assert.Equal(t, RouteInfo{}, c.RouteInfo())
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(http.MethodGet, "/", 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(http.MethodGet, "/", 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(http.MethodGet, "/ok", e)
assert.Equal(t, http.StatusOK, c)
assert.Equal(t, "OK", b)
}
func TestEchoWrapHandler(t *testing.T) {
e := New()
var actualID string
var actualPattern string
e.GET("/:id", WrapHandler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Write([]byte("test"))
actualID = r.PathValue("id")
actualPattern = r.Pattern
})))
req := httptest.NewRequest(http.MethodGet, "/123", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusOK, rec.Code)
assert.Equal(t, "test", rec.Body.String())
assert.Equal(t, "123", actualID)
assert.Equal(t, "/:id", actualPattern)
}
func TestEchoWrapMiddleware(t *testing.T) {
e := New()
var actualID string
var actualPattern string
e.Use(WrapMiddleware(func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
actualID = r.PathValue("id")
actualPattern = r.Pattern
h.ServeHTTP(w, r)
})
}))
e.GET("/:id", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
req := httptest.NewRequest(http.MethodGet, "/123", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusTeapot, rec.Code)
assert.Equal(t, "OK", rec.Body.String())
assert.Equal(t, "123", actualID)
assert.Equal(t, "/:id", actualPattern)
}
func TestEchoConnect(t *testing.T) {
e := New()
ri := e.CONNECT("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodConnect, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodConnect+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodConnect, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEchoDelete(t *testing.T) {
e := New()
ri := e.DELETE("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodDelete, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodDelete+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodDelete, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEchoGet(t *testing.T) {
e := New()
ri := e.GET("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodGet, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodGet+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodGet, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEchoHead(t *testing.T) {
e := New()
ri := e.HEAD("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodHead, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodHead+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodHead, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEchoOptions(t *testing.T) {
e := New()
ri := e.OPTIONS("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodOptions, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodOptions+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodOptions, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEchoPatch(t *testing.T) {
e := New()
ri := e.PATCH("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodPatch, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodPatch+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodPatch, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEchoPost(t *testing.T) {
e := New()
ri := e.POST("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodPost, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodPost+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodPost, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEchoPut(t *testing.T) {
e := New()
ri := e.PUT("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodPut, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodPut+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodPut, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEchoTrace(t *testing.T) {
e := New()
ri := e.TRACE("/", func(c *Context) error {
return c.String(http.StatusTeapot, "OK")
})
assert.Equal(t, http.MethodTrace, ri.Method)
assert.Equal(t, "/", ri.Path)
assert.Equal(t, http.MethodTrace+":/", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodTrace, "/", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, "OK", body)
}
func TestEcho_Any(t *testing.T) {
e := New()
ri := e.Any("/activate", func(c *Context) error {
return c.String(http.StatusTeapot, "OK from ANY")
})
assert.Equal(t, RouteAny, ri.Method)
assert.Equal(t, "/activate", ri.Path)
assert.Equal(t, RouteAny+":/activate", ri.Name)
assert.Nil(t, ri.Parameters)
status, body := request(http.MethodTrace, "/activate", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, `OK from ANY`, body)
}
func TestEcho_Any_hasLowerPriority(t *testing.T) {
e := New()
e.Any("/activate", func(c *Context) error {
return c.String(http.StatusTeapot, "ANY")
})
e.GET("/activate", func(c *Context) error {
return c.String(http.StatusLocked, "GET")
})
status, body := request(http.MethodTrace, "/activate", e)
assert.Equal(t, http.StatusTeapot, status)
assert.Equal(t, `ANY`, body)
status, body = request(http.MethodGet, "/activate", e)
assert.Equal(t, http.StatusLocked, status)
assert.Equal(t, `GET`, body)
}
func TestEchoMatch(t *testing.T) { // JFC
e := New()
ris := e.Match([]string{http.MethodGet, http.MethodPost}, "/", func(c *Context) error {
return c.String(http.StatusOK, "Match")
})
assert.Len(t, ris, 2)
}
func TestEchoServeHTTPPathEncoding(t *testing.T) {
e := New()
e.GET("/with/slash", func(c *Context) error {
return c.String(http.StatusOK, "/with/slash")
})
e.GET("/:id", func(c *Context) error {
return c.String(http.StatusOK, c.Param("id"))
})
var testCases = []struct {
name string
whenURL string
expectURL string
expectStatus int
}{
{
name: "url with encoding is not decoded for routing",
whenURL: "/with%2Fslash",
expectURL: "with%2Fslash", // `%2F` is not decoded to `/` for routing
expectStatus: http.StatusOK,
},
{
name: "url without encoding is used as is",
whenURL: "/with/slash",
expectURL: "/with/slash",
expectStatus: http.StatusOK,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
req := httptest.NewRequest(http.MethodGet, tc.whenURL, nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, tc.expectStatus, rec.Code)
assert.Equal(t, tc.expectURL, rec.Body.String())
})
}
}
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(http.MethodGet, "/users", e)
assert.Equal(t, "0", buf.String())
buf.Reset()
request(http.MethodGet, "/group1", e)
assert.Equal(t, "01", buf.String())
buf.Reset()
request(http.MethodGet, "/group2/group3", e)
assert.Equal(t, "023", buf.String())
}
func TestEcho_RouteNotFound(t *testing.T) {
var testCases = []struct {
expectRoute any
name string
whenURL string
expectCode int
}{
{
name: "404, route to static not found handler /a/c/xx",
whenURL: "/a/c/xx",
expectRoute: "GET /a/c/xx",
expectCode: http.StatusNotFound,
},
{
name: "404, route to path param not found handler /a/:file",
whenURL: "/a/echo.exe",
expectRoute: "GET /a/:file",
expectCode: http.StatusNotFound,
},
{
name: "404, route to any not found handler /*",
whenURL: "/b/echo.exe",
expectRoute: "GET /*",
expectCode: http.StatusNotFound,
},
{
name: "200, route /a/c/df to /a/c/df",
whenURL: "/a/c/df",
expectRoute: "GET /a/c/df",
expectCode: http.StatusOK,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
e := New()
okHandler := func(c *Context) error {
return c.String(http.StatusOK, c.Request().Method+" "+c.Path())
}
notFoundHandler := func(c *Context) error {
return c.String(http.StatusNotFound, c.Request().Method+" "+c.Path())
}
e.GET("/", okHandler)
e.GET("/a/c/df", okHandler)
e.GET("/a/b*", okHandler)
e.PUT("/*", okHandler)
e.RouteNotFound("/a/c/xx", notFoundHandler) // static
e.RouteNotFound("/a/:file", notFoundHandler) // param
e.RouteNotFound("/*", notFoundHandler) // any
req := httptest.NewRequest(http.MethodGet, tc.whenURL, nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, tc.expectCode, rec.Code)
assert.Equal(t, tc.expectRoute, rec.Body.String())
})
}
}
func TestEchoNotFound(t *testing.T) {
e := New()
req := httptest.NewRequest(http.MethodGet, "/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(http.MethodPost, "/", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusMethodNotAllowed, rec.Code)
assert.Equal(t, "OPTIONS, GET", rec.Header().Get(HeaderAllow))
}
func TestEcho_OnAddRoute(t *testing.T) {
exampleRoute := Route{
Method: http.MethodGet,
Path: "/api/files/:id",
Handler: notFoundHandler,
Middlewares: nil,
Name: "x",
}
var testCases = []struct {
whenRoute Route
whenError error
name string
expectError string
expectAdded []string
expectLen int
}{
{
name: "ok",
whenRoute: exampleRoute,
whenError: nil,
expectAdded: []string{"/static", "/api/files/:id"},
expectError: "",
expectLen: 2,
},
{
name: "nok, error is returned",
whenRoute: exampleRoute,
whenError: errors.New("nope"),
expectAdded: []string{"/static"},
expectError: "nope",
expectLen: 1,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
e := New()
added := make([]string, 0)
cnt := 0
e.OnAddRoute = func(route Route) error {
if cnt > 0 && tc.whenError != nil { // we want to GET /static to succeed for nok tests
return tc.whenError
}
cnt++
added = append(added, route.Path)
return nil
}
e.GET("/static", notFoundHandler)
var err error
_, err = e.AddRoute(tc.whenRoute)
if tc.expectError != "" {
assert.EqualError(t, err, tc.expectError)
} else {
assert.NoError(t, err)
}
assert.Len(t, e.Router().Routes(), tc.expectLen)
assert.Equal(t, tc.expectAdded, added)
})
}
}
func TestEchoContext(t *testing.T) {
e := New()
c := e.AcquireContext()
assert.IsType(t, new(Context), c)
e.ReleaseContext(c)
}
func TestPreMiddlewares(t *testing.T) {
e := New()
assert.Equal(t, 0, len(e.PreMiddlewares()))
e.Pre(func(next HandlerFunc) HandlerFunc {
return func(c *Context) error {
return next(c)
}
})
assert.Equal(t, 1, len(e.PreMiddlewares()))
}