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echo/middleware/rewrite_test.go

132 lines
3.5 KiB
Go

package middleware
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/labstack/echo/v4"
"github.com/stretchr/testify/assert"
)
//Assert expected with url.EscapedPath method to obtain the path.
func TestRewrite(t *testing.T) {
e := echo.New()
e.Use(RewriteWithConfig(RewriteConfig{
Rules: map[string]string{
"/old": "/new",
"/api/*": "/$1",
"/js/*": "/public/javascripts/$1",
"/users/*/orders/*": "/user/$1/order/$2",
},
}))
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
req.URL, _ = url.Parse("/api/users")
e.ServeHTTP(rec, req)
assert.Equal(t, "/users", req.URL.EscapedPath())
req.URL, _ = url.Parse("/js/main.js")
rec = httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, "/public/javascripts/main.js", req.URL.EscapedPath())
req.URL, _ = url.Parse("/old")
rec = httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, "/new", req.URL.EscapedPath())
req.URL, _ = url.Parse("/users/jack/orders/1")
rec = httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, "/user/jack/order/1", req.URL.EscapedPath())
req.URL, _ = url.Parse("/user/jill/order/T%2FcO4lW%2Ft%2FVp%2F")
rec = httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, "/user/jill/order/T%2FcO4lW%2Ft%2FVp%2F", req.URL.EscapedPath())
req.URL, _ = url.Parse("/api/new users")
e.ServeHTTP(rec, req)
assert.Equal(t, "/new%20users", req.URL.EscapedPath())
}
// Issue #1086
func TestEchoRewritePreMiddleware(t *testing.T) {
e := echo.New()
r := e.Router()
// Rewrite old url to new one
e.Pre(Rewrite(map[string]string{
"/old": "/new",
},
))
// Route
r.Add(http.MethodGet, "/new", func(c echo.Context) error {
return c.NoContent(http.StatusOK)
})
req := httptest.NewRequest(http.MethodGet, "/old", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, "/new", req.URL.EscapedPath())
assert.Equal(t, http.StatusOK, rec.Code)
}
// Issue #1143
func TestRewriteWithConfigPreMiddleware_Issue1143(t *testing.T) {
e := echo.New()
r := e.Router()
e.Pre(RewriteWithConfig(RewriteConfig{
Rules: map[string]string{
"/api/*/mgmt/proj/*/agt": "/api/$1/hosts/$2",
"/api/*/mgmt/proj": "/api/$1/eng",
},
}))
r.Add(http.MethodGet, "/api/:version/hosts/:name", func(c echo.Context) error {
return c.String(http.StatusOK, "hosts")
})
r.Add(http.MethodGet, "/api/:version/eng", func(c echo.Context) error {
return c.String(http.StatusOK, "eng")
})
for i := 0; i < 100; i++ {
req := httptest.NewRequest(http.MethodGet, "/api/v1/mgmt/proj/test/agt", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, "/api/v1/hosts/test", req.URL.EscapedPath())
assert.Equal(t, http.StatusOK, rec.Code)
defer rec.Result().Body.Close()
bodyBytes, _ := ioutil.ReadAll(rec.Result().Body)
assert.Equal(t, "hosts", string(bodyBytes))
}
}
// Issue #1573
func TestEchoRewriteWithCaret(t *testing.T) {
e := echo.New()
e.Pre(RewriteWithConfig(RewriteConfig{
Rules: map[string]string{
"^/abc/*": "/v1/abc/$1",
},
}))
rec := httptest.NewRecorder()
var req *http.Request
req = httptest.NewRequest(http.MethodGet, "/abc/test", nil)
e.ServeHTTP(rec, req)
assert.Equal(t, "/v1/abc/test", req.URL.Path)
req = httptest.NewRequest(http.MethodGet, "/v1/abc/test", nil)
e.ServeHTTP(rec, req)
assert.Equal(t, "/v1/abc/test", req.URL.Path)
req = httptest.NewRequest(http.MethodGet, "/v2/abc/test", nil)
e.ServeHTTP(rec, req)
assert.Equal(t, "/v2/abc/test", req.URL.Path)
}