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mirror of https://github.com/labstack/echo.git synced 2024-12-24 20:14:31 +02:00
echo/echo_test.go
Vishal Rana dd9bc2de9c Added echo.HandlerFunc to handlers
Signed-off-by: Vishal Rana <vr@labstack.com>
2015-04-26 22:41:41 -07:00

320 lines
7.0 KiB
Go

package echo
import (
"bytes"
"net/http"
"net/http/httptest"
"testing"
)
type (
user struct {
ID string `json:"id"`
Name string `json:"name"`
}
)
var u1 = user{
ID: "1",
Name: "Joe",
}
// TODO: Improve me!
func TestEchoMaxParam(t *testing.T) {
e := New()
e.MaxParam(8)
if e.maxParam != 8 {
t.Errorf("max param should be 8, found %d", e.maxParam)
}
}
func TestEchoIndex(t *testing.T) {
e := New()
e.Index("examples/web/public/index.html")
w := httptest.NewRecorder()
r, _ := http.NewRequest(GET, "/", nil)
e.ServeHTTP(w, r)
if w.Code != 200 {
t.Errorf("status code should be 200, found %d", w.Code)
}
}
func TestEchoStatic(t *testing.T) {
e := New()
e.Static("/scripts", "examples/web/public/scripts")
w := httptest.NewRecorder()
r, _ := http.NewRequest(GET, "/scripts/main.js", nil)
e.ServeHTTP(w, r)
if w.Code != 200 {
t.Errorf("status code should be 200, found %d", w.Code)
}
}
func TestEchoMiddleware(t *testing.T) {
e := New()
b := new(bytes.Buffer)
// func(*echo.Context)
e.Use(func(c *Context) {
b.WriteString("a")
})
// func(*echo.Context) error
e.Use(func(c *Context) error {
b.WriteString("b")
return nil
})
// func(echo.HandlerFunc) (echo.HandlerFunc, error)
e.Use(func(h HandlerFunc) HandlerFunc {
return func(c *Context) error {
b.WriteString("c")
return h(c)
}
})
// http.HandlerFunc
e.Use(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b.WriteString("d")
}))
// http.Handler
e.Use(http.Handler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b.WriteString("e")
})))
// func(http.Handler) http.Handler
e.Use(func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b.WriteString("f")
h.ServeHTTP(w, r)
})
})
// func(http.ResponseWriter, *http.Request)
e.Use(func(w http.ResponseWriter, r *http.Request) {
b.WriteString("g")
})
// func(http.ResponseWriter, *http.Request) error
e.Use(func(w http.ResponseWriter, r *http.Request) error {
b.WriteString("h")
return nil
})
// Route
e.Get("/hello", func(c *Context) {
c.String(http.StatusOK, "world")
})
w := httptest.NewRecorder()
r, _ := http.NewRequest(GET, "/hello", nil)
e.ServeHTTP(w, r)
if b.String() != "abcdefgh" {
t.Errorf("buffer should be abcdefgh, found %s", b.String())
}
if w.Body.String() != "world" {
t.Error("body should be world")
}
}
func TestEchoHandler(t *testing.T) {
e := New()
// func(*echo.Context) error
e.Get("/1", func(c *Context) {
c.String(http.StatusOK, "1")
})
w := httptest.NewRecorder()
r, _ := http.NewRequest(GET, "/1", nil)
e.ServeHTTP(w, r)
if w.Body.String() != "1" {
t.Error("body should be 1")
}
// HandlerFunc
e.Get("/2", func(c *Context) {
c.String(http.StatusOK, "2")
})
w = httptest.NewRecorder()
r, _ = http.NewRequest(GET, "/2", nil)
e.ServeHTTP(w, r)
if w.Body.String() != "2" {
t.Error("body should be 2")
}
// func(*echo.Context)
e.Get("/3", func(c *Context) {
c.String(http.StatusOK, "3")
})
w = httptest.NewRecorder()
r, _ = http.NewRequest(GET, "/3", nil)
e.ServeHTTP(w, r)
if w.Body.String() != "3" {
t.Error("body should be 3")
}
// http.Handler/http.HandlerFunc
e.Get("/4", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("4"))
}))
w = httptest.NewRecorder()
r, _ = http.NewRequest(GET, "/4", nil)
e.ServeHTTP(w, r)
if w.Body.String() != "4" {
t.Error("body should be 4")
}
// func(http.ResponseWriter, *http.Request)
e.Get("/5", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("5"))
})
w = httptest.NewRecorder()
r, _ = http.NewRequest(GET, "/5", nil)
e.ServeHTTP(w, r)
if w.Body.String() != "5" {
t.Error("body should be 5")
}
// func(http.ResponseWriter, *http.Request) error
e.Get("/6", func(w http.ResponseWriter, r *http.Request) error {
w.Write([]byte("6"))
return nil
})
w = httptest.NewRecorder()
r, _ = http.NewRequest(GET, "/6", nil)
e.ServeHTTP(w, r)
if w.Body.String() != "6" {
t.Error("body should be 6")
}
}
func TestEchoGroup(t *testing.T) {
b := new(bytes.Buffer)
e := New()
e.Use(func(*Context) {
b.WriteString("1")
})
e.Get("/users", func(*Context) {})
w := httptest.NewRecorder()
r, _ := http.NewRequest(GET, "/users", nil)
e.ServeHTTP(w, r)
if b.String() != "1" {
t.Errorf("should only execute middleware 1, executed %s", b.String())
}
// Group
g1 := e.Group("/group1")
g1.Use(func(*Context) {
b.WriteString("2")
})
g1.Get("/home", func(*Context) {})
b.Reset()
w = httptest.NewRecorder()
r, _ = http.NewRequest(GET, "/group1/home", nil)
e.ServeHTTP(w, r)
if b.String() != "12" {
t.Errorf("should execute middleware 1 & 2, executed %s", b.String())
}
// Group with no parent middleware
g2 := e.Group("/group2", func(*Context) {
b.WriteString("3")
})
g2.Get("/home", func(*Context) {})
b.Reset()
w = httptest.NewRecorder()
r, _ = http.NewRequest(GET, "/group2/home", nil)
e.ServeHTTP(w, r)
if b.String() != "3" {
t.Errorf("should execute middleware 3, executed %s", b.String())
}
// Nested group
g3 := e.Group("/group3")
g4 := g3.Group("/group4")
g4.Get("/home", func(c *Context) {
c.NoContent(http.StatusOK)
})
w = httptest.NewRecorder()
r, _ = http.NewRequest(GET, "/group3/group4/home", nil)
e.ServeHTTP(w, r)
if w.Code != 200 {
t.Errorf("status code should be 200, found %d", w.Code)
}
}
func TestEchoMethod(t *testing.T) {
e := New()
h := func(*Context) {}
e.Connect("/", h)
e.Delete("/", h)
e.Get("/", h)
e.Head("/", h)
e.Options("/", h)
e.Patch("/", h)
e.Post("/", h)
e.Put("/", h)
e.Trace("/", h)
}
func TestEchoURL(t *testing.T) {
e := New()
static := func(*Context) {}
getUser := func(*Context) {}
getFile := func(*Context) {}
e.Get("/static/file", static)
e.Get("/users/:id", getUser)
e.Get("/users/:uid/files/:fid", getFile)
if e.URL(static) != "/static/file" {
t.Error("uri should be /static/file")
}
if e.URI(static) != "/static/file" {
t.Error("uri should be /static/file")
}
if e.URI(getUser) != "/users/:id" {
t.Error("uri should be /users/:id")
}
if e.URI(getUser, "1") != "/users/1" {
t.Error("uri should be /users/1")
}
if e.URI(getFile, "1") != "/users/1/files/:fid" {
t.Error("uri should be /users/1/files/:fid")
}
if e.URI(getFile, "1", "1") != "/users/1/files/1" {
t.Error("uri should be /users/1/files/1")
}
}
func TestEchoNotFound(t *testing.T) {
e := New()
// Default NotFound handler
r, _ := http.NewRequest(GET, "/files", nil)
w := httptest.NewRecorder()
e.ServeHTTP(w, r)
if w.Code != http.StatusNotFound {
t.Errorf("status code should be 404, found %d", w.Code)
}
// Customized NotFound handler
e.NotFoundHandler(func(c *Context) {
c.String(http.StatusNotFound, "not found")
})
w = httptest.NewRecorder()
e.ServeHTTP(w, r)
if w.Body.String() != "not found" {
t.Errorf("body should be `not found`")
}
}
func verifyUser(u2 *user, t *testing.T) {
if u2.ID != u1.ID {
t.Errorf("user id should be %s, found %s", u1.ID, u2.ID)
}
if u2.Name != u1.Name {
t.Errorf("user name should be %s, found %s", u1.Name, u2.Name)
}
}