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group_test.go
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group_test.go
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package echo
import (
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/stretchr/testify/assert"
)
// TODO: Fix me
func TestGroup(t *testing.T) {
g := New().Group("/group")
h := func(Context) error { return nil }
g.CONNECT("/", h)
g.DELETE("/", h)
g.GET("/", h)
g.HEAD("/", h)
g.OPTIONS("/", h)
g.PATCH("/", h)
g.POST("/", h)
g.PUT("/", h)
g.TRACE("/", h)
g.Any("/", h)
g.Match([]string{http.MethodGet, http.MethodPost}, "/", h)
g.Static("/static", "/tmp")
g.File("/walle", "_fixture/images//walle.png")
}
func TestGroupFile(t *testing.T) {
e := New()
g := e.Group("/group")
g.File("/walle", "_fixture/images/walle.png")
expectedData, err := os.ReadFile("_fixture/images/walle.png")
assert.Nil(t, err)
req := httptest.NewRequest(http.MethodGet, "/group/walle", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusOK, rec.Code)
assert.Equal(t, expectedData, rec.Body.Bytes())
}
func TestGroupRouteMiddleware(t *testing.T) {
// Ensure middleware slices are not re-used
e := New()
g := e.Group("/group")
h := func(Context) error { return nil }
m1 := func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
return next(c)
}
}
m2 := func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
return next(c)
}
}
m3 := func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
return next(c)
}
}
m4 := func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
return c.NoContent(404)
}
}
m5 := func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
return c.NoContent(405)
}
}
g.Use(m1, m2, m3)
g.GET("/404", h, m4)
g.GET("/405", h, m5)
c, _ := request(http.MethodGet, "/group/404", e)
assert.Equal(t, 404, c)
c, _ = request(http.MethodGet, "/group/405", e)
assert.Equal(t, 405, c)
}
func TestGroupRouteMiddlewareWithMatchAny(t *testing.T) {
// Ensure middleware and match any routes do not conflict
e := New()
g := e.Group("/group")
m1 := func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
return next(c)
}
}
m2 := func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
return c.String(http.StatusOK, c.Path())
}
}
h := func(c Context) error {
return c.String(http.StatusOK, c.Path())
}
g.Use(m1)
g.GET("/help", h, m2)
g.GET("/*", h, m2)
g.GET("", h, m2)
e.GET("unrelated", h, m2)
e.GET("*", h, m2)
_, m := request(http.MethodGet, "/group/help", e)
assert.Equal(t, "/group/help", m)
_, m = request(http.MethodGet, "/group/help/other", e)
assert.Equal(t, "/group/*", m)
_, m = request(http.MethodGet, "/group/404", e)
assert.Equal(t, "/group/*", m)
_, m = request(http.MethodGet, "/group", e)
assert.Equal(t, "/group", m)
_, m = request(http.MethodGet, "/other", e)
assert.Equal(t, "/*", m)
_, m = request(http.MethodGet, "/", e)
assert.Equal(t, "/*", m)
}
func TestGroup_RouteNotFound(t *testing.T) {
var testCases = []struct {
name string
whenURL string
expectRoute interface{}
expectCode int
}{
{
name: "404, route to static not found handler /group/a/c/xx",
whenURL: "/group/a/c/xx",
expectRoute: "GET /group/a/c/xx",
expectCode: http.StatusNotFound,
},
{
name: "404, route to path param not found handler /group/a/:file",
whenURL: "/group/a/echo.exe",
expectRoute: "GET /group/a/:file",
expectCode: http.StatusNotFound,
},
{
name: "404, route to any not found handler /group/*",
whenURL: "/group/b/echo.exe",
expectRoute: "GET /group/*",
expectCode: http.StatusNotFound,
},
{
name: "200, route /group/a/c/df to /group/a/c/df",
whenURL: "/group/a/c/df",
expectRoute: "GET /group/a/c/df",
expectCode: http.StatusOK,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
e := New()
g := e.Group("/group")
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())
}
g.GET("/", okHandler)
g.GET("/a/c/df", okHandler)
g.GET("/a/b*", okHandler)
g.PUT("/*", okHandler)
g.RouteNotFound("/a/c/xx", notFoundHandler) // static
g.RouteNotFound("/a/:file", notFoundHandler) // param
g.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 TestGroup_RouteNotFoundWithMiddleware(t *testing.T) {
var testCases = []struct {
name string
givenCustom404 bool
whenURL string
expectBody interface{}
expectCode int
}{
{
name: "ok, custom 404 handler is called with middleware",
givenCustom404: true,
whenURL: "/group/test3",
expectBody: "GET /group/*",
expectCode: http.StatusNotFound,
},
{
name: "ok, default group 404 handler is called with middleware",
givenCustom404: false,
whenURL: "/group/test3",
expectBody: "{\"message\":\"Not Found\"}\n",
expectCode: http.StatusNotFound,
},
{
name: "ok, (no slash) default group 404 handler is called with middleware",
givenCustom404: false,
whenURL: "/group",
expectBody: "{\"message\":\"Not Found\"}\n",
expectCode: http.StatusNotFound,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
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 := New()
e.GET("/test1", okHandler)
e.RouteNotFound("/*", notFoundHandler)
g := e.Group("/group")
g.GET("/test1", okHandler)
middlewareCalled := false
g.Use(func(next HandlerFunc) HandlerFunc {
return func(c Context) error {
middlewareCalled = true
return next(c)
}
})
if tc.givenCustom404 {
g.RouteNotFound("/*", notFoundHandler)
}
req := httptest.NewRequest(http.MethodGet, tc.whenURL, nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.True(t, middlewareCalled)
assert.Equal(t, tc.expectCode, rec.Code)
assert.Equal(t, tc.expectBody, rec.Body.String())
})
}
}