mirror of
https://github.com/labstack/echo.git
synced 2024-12-26 20:54:00 +02:00
112 lines
2.3 KiB
Go
112 lines
2.3 KiB
Go
package middleware
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"testing"
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"net/url"
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"github.com/labstack/echo"
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"github.com/stretchr/testify/assert"
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)
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type (
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closeNotifyRecorder struct {
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*httptest.ResponseRecorder
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closed chan bool
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}
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)
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func newCloseNotifyRecorder() *closeNotifyRecorder {
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return &closeNotifyRecorder{
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httptest.NewRecorder(),
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make(chan bool, 1),
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}
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}
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func (c *closeNotifyRecorder) close() {
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c.closed <- true
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}
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func (c *closeNotifyRecorder) CloseNotify() <-chan bool {
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return c.closed
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}
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func TestProxy(t *testing.T) {
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// Setup
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t1 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, "target 1")
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}))
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defer t1.Close()
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url1, _ := url.Parse(t1.URL)
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t2 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, "target 2")
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}))
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defer t2.Close()
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url2, _ := url.Parse(t2.URL)
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targets := []*ProxyTarget{
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&ProxyTarget{
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URL: url1,
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},
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&ProxyTarget{
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URL: url2,
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},
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}
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rb := NewRandomBalancer(targets)
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// Random
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e := echo.New()
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e.Use(Proxy(rb))
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req := httptest.NewRequest(echo.GET, "/", nil)
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rec := newCloseNotifyRecorder()
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e.ServeHTTP(rec, req)
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body := rec.Body.String()
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expected := map[string]bool{
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"target 1": true,
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"target 2": true,
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}
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assert.Condition(t, func() bool {
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return expected[body]
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})
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// Round-robin
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rrb := NewRoundRobinBalancer(targets)
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e = echo.New()
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e.Use(Proxy(rrb))
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rec = newCloseNotifyRecorder()
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e.ServeHTTP(rec, req)
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body = rec.Body.String()
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assert.Equal(t, "target 1", body)
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rec = newCloseNotifyRecorder()
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e.ServeHTTP(rec, req)
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body = rec.Body.String()
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assert.Equal(t, "target 2", body)
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// Rewrite
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e = echo.New()
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e.Use(ProxyWithConfig(ProxyConfig{
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Balancer: rrb,
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Rewrite: map[string]string{
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"/old": "/new",
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"/api/*": "/$1",
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"/js/*": "/public/javascripts/$1",
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"/users/*/orders/*": "/user/$1/order/$2",
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},
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}))
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req.URL.Path = "/api/users"
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e.ServeHTTP(rec, req)
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assert.Equal(t, "/users", req.URL.Path)
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req.URL.Path = "/js/main.js"
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e.ServeHTTP(rec, req)
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assert.Equal(t, "/public/javascripts/main.js", req.URL.Path)
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req.URL.Path = "/old"
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e.ServeHTTP(rec, req)
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assert.Equal(t, "/new", req.URL.Path)
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req.URL.Path = "/users/jack/orders/1"
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e.ServeHTTP(rec, req)
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assert.Equal(t, "/user/jack/order/1", req.URL.Path)
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}
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