traefik/middlewares/stripPrefixRegex_test.go

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package middlewares
import (
"net/http"
"net/http/httptest"
"testing"
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"github.com/containous/traefik/testhelpers"
"github.com/stretchr/testify/assert"
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)
func TestStripPrefixRegex(t *testing.T) {
testPrefixRegex := []string{"/a/api/", "/b/{regex}/", "/c/{category}/{id:[0-9]+}/"}
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tests := []struct {
path string
expectedStatusCode int
expectedPath string
expectedHeader string
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}{
{
path: "/a/test",
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expectedStatusCode: http.StatusNotFound,
},
{
path: "/a/api/test",
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expectedStatusCode: http.StatusOK,
expectedPath: "test",
expectedHeader: "/a/api/",
},
{
path: "/b/api/",
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expectedStatusCode: http.StatusOK,
expectedHeader: "/b/api/",
},
{
path: "/b/api/test1",
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expectedStatusCode: http.StatusOK,
expectedPath: "test1",
expectedHeader: "/b/api/",
},
{
path: "/b/api2/test2",
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expectedStatusCode: http.StatusOK,
expectedPath: "test2",
expectedHeader: "/b/api2/",
},
{
path: "/c/api/123/",
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expectedStatusCode: http.StatusOK,
expectedHeader: "/c/api/123/",
},
{
path: "/c/api/123/test3",
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expectedStatusCode: http.StatusOK,
expectedPath: "test3",
expectedHeader: "/c/api/123/",
},
{
path: "/c/api/abc/test4",
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expectedStatusCode: http.StatusNotFound,
},
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}
for _, test := range tests {
test := test
t.Run(test.path, func(t *testing.T) {
t.Parallel()
var actualPath, actualHeader string
handlerPath := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
actualPath = r.URL.Path
actualHeader = r.Header.Get(ForwardedPrefixHeader)
})
handler := NewStripPrefixRegex(handlerPath, testPrefixRegex)
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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)
assert.Equal(t, test.expectedStatusCode, resp.Code, "Unexpected status code.")
assert.Equal(t, test.expectedPath, actualPath, "Unexpected path.")
assert.Equal(t, test.expectedHeader, actualHeader, "Unexpected '%s' header.", ForwardedPrefixHeader)
})
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}
}