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