126 lines
3.5 KiB
Go
126 lines
3.5 KiB
Go
package middlewares
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import (
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/containous/traefik/testhelpers"
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"github.com/stretchr/testify/assert"
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)
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func TestStripPrefix(t *testing.T) {
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tests := []struct {
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desc string
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prefixes []string
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path string
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expectedStatusCode int
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expectedPath string
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expectedHeader string
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}{
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{
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desc: "no prefixes configured",
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prefixes: []string{},
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path: "/noprefixes",
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expectedStatusCode: http.StatusNotFound,
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},
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{
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desc: "wildcard (.*) requests",
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prefixes: []string{"/"},
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path: "/",
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expectedStatusCode: http.StatusOK,
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expectedPath: "/",
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expectedHeader: "/",
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},
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{
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desc: "prefix and path matching",
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prefixes: []string{"/stat"},
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path: "/stat",
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expectedStatusCode: http.StatusOK,
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expectedPath: "/",
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expectedHeader: "/stat",
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},
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{
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desc: "path prefix on exactly matching path",
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prefixes: []string{"/stat/"},
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path: "/stat/",
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expectedStatusCode: http.StatusOK,
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expectedPath: "/",
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expectedHeader: "/stat/",
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},
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{
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desc: "path prefix on matching longer path",
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prefixes: []string{"/stat/"},
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path: "/stat/us",
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expectedStatusCode: http.StatusOK,
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expectedPath: "/us",
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expectedHeader: "/stat/",
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},
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{
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desc: "path prefix on mismatching path",
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prefixes: []string{"/stat/"},
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path: "/status",
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expectedStatusCode: http.StatusNotFound,
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},
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{
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desc: "general prefix on matching path",
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prefixes: []string{"/stat"},
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path: "/stat/",
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expectedStatusCode: http.StatusOK,
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expectedPath: "/",
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expectedHeader: "/stat",
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},
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{
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desc: "earlier prefix matching",
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prefixes: []string{"/stat", "/stat/us"},
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path: "/stat/us",
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expectedStatusCode: http.StatusOK,
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expectedPath: "/us",
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expectedHeader: "/stat",
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},
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{
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desc: "later prefix matching",
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prefixes: []string{"/mismatch", "/stat"},
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path: "/stat",
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expectedStatusCode: http.StatusOK,
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expectedPath: "/",
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expectedHeader: "/stat",
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},
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{
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desc: "prefix matching within slash boundaries",
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prefixes: []string{"/stat"},
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path: "/status",
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expectedStatusCode: http.StatusOK,
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expectedPath: "/us",
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expectedHeader: "/stat",
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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var actualPath, actualHeader, requestURI string
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handler := &StripPrefix{
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Prefixes: test.prefixes,
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Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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actualPath = r.URL.Path
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actualHeader = r.Header.Get(ForwardedPrefixHeader)
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requestURI = r.RequestURI
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}),
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}
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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.expectedHeader, actualHeader, "Unexpected '%s' header.", ForwardedPrefixHeader)
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assert.Equal(t, test.expectedPath, requestURI, "Unexpected request URI.")
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})
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}
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}
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