traefik/pkg/middlewares/stripprefixregex/strip_prefix_regex_test.go
2024-04-03 17:54:11 +02:00

147 lines
4 KiB
Go

package stripprefixregex
import (
"context"
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/traefik/traefik/v3/pkg/config/dynamic"
"github.com/traefik/traefik/v3/pkg/middlewares/stripprefix"
"github.com/traefik/traefik/v3/pkg/testhelpers"
)
func TestStripPrefixRegex(t *testing.T) {
testPrefixRegex := dynamic.StripPrefixRegex{
Regex: []string{"/a/api/", "/b/([a-z0-9]+)/", "/c/[a-z0-9]+/[0-9]+/"},
}
testCases := []struct {
path string
expectedStatusCode int
expectedPath string
expectedRawPath string
expectedHeader string
}{
{
path: "/a/test",
expectedStatusCode: http.StatusOK,
expectedPath: "/a/test",
},
{
path: "/a/test/",
expectedStatusCode: http.StatusOK,
expectedPath: "/a/test/",
},
{
path: "/a/api/",
expectedStatusCode: http.StatusOK,
expectedPath: "",
expectedHeader: "/a/api/",
},
{
path: "/a/api/test",
expectedStatusCode: http.StatusOK,
expectedPath: "/test",
expectedHeader: "/a/api/",
},
{
path: "/a/api/test/",
expectedStatusCode: http.StatusOK,
expectedPath: "/test/",
expectedHeader: "/a/api/",
},
{
path: "/b/api/",
expectedStatusCode: http.StatusOK,
expectedPath: "",
expectedHeader: "/b/api/",
},
{
path: "/b/api",
expectedStatusCode: http.StatusOK,
expectedPath: "/b/api",
},
{
path: "/b/api/test1",
expectedStatusCode: http.StatusOK,
expectedPath: "/test1",
expectedHeader: "/b/api/",
},
{
path: "/b/api2/test2",
expectedStatusCode: http.StatusOK,
expectedPath: "/test2",
expectedHeader: "/b/api2/",
},
{
path: "/c/api/123/",
expectedStatusCode: http.StatusOK,
expectedPath: "",
expectedHeader: "/c/api/123/",
},
{
path: "/c/api/123",
expectedStatusCode: http.StatusOK,
expectedPath: "/c/api/123",
},
{
path: "/c/api/123/test3",
expectedStatusCode: http.StatusOK,
expectedPath: "/test3",
expectedHeader: "/c/api/123/",
},
{
path: "/c/api/abc/test4",
expectedStatusCode: http.StatusOK,
expectedPath: "/c/api/abc/test4",
},
{
path: "/a/api/a%2Fb",
expectedStatusCode: http.StatusOK,
expectedPath: "/a/b",
expectedRawPath: "/a%2Fb",
expectedHeader: "/a/api/",
},
}
for _, test := range testCases {
t.Run(test.path, func(t *testing.T) {
t.Parallel()
var actualPath, actualRawPath, actualHeader, requestURI string
handlerPath := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
actualPath = r.URL.Path
actualRawPath = r.URL.RawPath
actualHeader = r.Header.Get(stripprefix.ForwardedPrefixHeader)
requestURI = r.RequestURI
})
handler, err := New(context.Background(), handlerPath, testPrefixRegex, "foo-strip-prefix-regex")
require.NoError(t, err)
req := testhelpers.MustNewRequest(http.MethodGet, "http://localhost"+test.path, nil)
resp := &httptest.ResponseRecorder{Code: http.StatusOK}
handler.ServeHTTP(resp, req)
assert.Equal(t, test.expectedStatusCode, resp.Code, "Unexpected status code.")
assert.Equal(t, test.expectedPath, actualPath, "Unexpected path.")
assert.Equal(t, test.expectedRawPath, actualRawPath, "Unexpected raw path.")
assert.Equal(t, test.expectedHeader, actualHeader, "Unexpected '%s' header.", stripprefix.ForwardedPrefixHeader)
if test.expectedPath != test.path {
expectedRequestURI := test.expectedPath
if test.expectedRawPath != "" {
// go HTTP uses the raw path when existent in the RequestURI
expectedRequestURI = test.expectedRawPath
}
if test.expectedPath == "" {
expectedRequestURI = "/"
}
assert.Equal(t, expectedRequestURI, requestURI, "Unexpected request URI.")
}
})
}
}