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traefik/middlewares/stripPrefix_test.go
2017-11-21 14:28:03 +01:00

144 lines
4.1 KiB
Go

package middlewares
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/containous/traefik/testhelpers"
"github.com/stretchr/testify/assert"
)
func TestStripPrefix(t *testing.T) {
tests := []struct {
desc string
prefixes []string
path string
expectedStatusCode int
expectedPath string
expectedRawPath string
expectedHeader string
}{
{
desc: "no prefixes configured",
prefixes: []string{},
path: "/noprefixes",
expectedStatusCode: http.StatusNotFound,
},
{
desc: "wildcard (.*) requests",
prefixes: []string{"/"},
path: "/",
expectedStatusCode: http.StatusOK,
expectedPath: "/",
expectedHeader: "/",
},
{
desc: "prefix and path matching",
prefixes: []string{"/stat"},
path: "/stat",
expectedStatusCode: http.StatusOK,
expectedPath: "/",
expectedHeader: "/stat",
},
{
desc: "path prefix on exactly matching path",
prefixes: []string{"/stat/"},
path: "/stat/",
expectedStatusCode: http.StatusOK,
expectedPath: "/",
expectedHeader: "/stat/",
},
{
desc: "path prefix on matching longer path",
prefixes: []string{"/stat/"},
path: "/stat/us",
expectedStatusCode: http.StatusOK,
expectedPath: "/us",
expectedHeader: "/stat/",
},
{
desc: "path prefix on mismatching path",
prefixes: []string{"/stat/"},
path: "/status",
expectedStatusCode: http.StatusNotFound,
},
{
desc: "general prefix on matching path",
prefixes: []string{"/stat"},
path: "/stat/",
expectedStatusCode: http.StatusOK,
expectedPath: "/",
expectedHeader: "/stat",
},
{
desc: "earlier prefix matching",
prefixes: []string{"/stat", "/stat/us"},
path: "/stat/us",
expectedStatusCode: http.StatusOK,
expectedPath: "/us",
expectedHeader: "/stat",
},
{
desc: "later prefix matching",
prefixes: []string{"/mismatch", "/stat"},
path: "/stat",
expectedStatusCode: http.StatusOK,
expectedPath: "/",
expectedHeader: "/stat",
},
{
desc: "prefix matching within slash boundaries",
prefixes: []string{"/stat"},
path: "/status",
expectedStatusCode: http.StatusOK,
expectedPath: "/us",
expectedHeader: "/stat",
},
{
desc: "raw path is also stripped",
prefixes: []string{"/stat"},
path: "/stat/a%2Fb",
expectedStatusCode: http.StatusOK,
expectedPath: "/a/b",
expectedRawPath: "/a%2Fb",
expectedHeader: "/stat",
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
var actualPath, actualRawPath, actualHeader, requestURI string
handler := &StripPrefix{
Prefixes: test.prefixes,
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
actualPath = r.URL.Path
actualRawPath = r.URL.RawPath
actualHeader = r.Header.Get(ForwardedPrefixHeader)
requestURI = r.RequestURI
}),
}
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.", ForwardedPrefixHeader)
expectedURI := test.expectedPath
if test.expectedRawPath != "" {
// go HTTP uses the raw path when existent in the RequestURI
expectedURI = test.expectedRawPath
}
assert.Equal(t, expectedURI, requestURI, "Unexpected request URI.")
})
}
}