traefik/pkg/middlewares/replacepath/replace_path_test.go

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package replacepath
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import (
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"context"
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"net/http"
"net/http/httptest"
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"testing"
"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
"github.com/traefik/traefik/v2/pkg/config/dynamic"
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)
func TestReplacePath(t *testing.T) {
testCases := []struct {
desc string
path string
config dynamic.ReplacePath
expectedPath string
expectedRawPath string
expectedHeader string
}{
{
desc: "simple path",
path: "/example",
config: dynamic.ReplacePath{
Path: "/replacement-path",
},
expectedPath: "/replacement-path",
expectedRawPath: "",
expectedHeader: "/example",
},
{
desc: "long path",
path: "/some/really/long/path",
config: dynamic.ReplacePath{
Path: "/replacement-path",
},
expectedPath: "/replacement-path",
expectedRawPath: "",
expectedHeader: "/some/really/long/path",
},
{
desc: "path with escaped value",
path: "/foo%2Fbar",
config: dynamic.ReplacePath{
Path: "/replacement-path",
},
expectedPath: "/replacement-path",
expectedRawPath: "",
expectedHeader: "/foo%2Fbar",
},
{
desc: "replacement with escaped value",
path: "/path",
config: dynamic.ReplacePath{
Path: "/foo%2Fbar",
},
expectedPath: "/foo/bar",
expectedRawPath: "/foo%2Fbar",
expectedHeader: "/path",
},
{
desc: "replacement with percent encoded backspace char",
path: "/path/%08bar",
config: dynamic.ReplacePath{
Path: "/path/%08bar",
},
expectedPath: "/path/\bbar",
expectedRawPath: "/path/%08bar",
expectedHeader: "/path/%08bar",
},
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}
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for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
var actualPath, actualRawPath, actualHeader, requestURI string
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next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
actualPath = r.URL.Path
actualRawPath = r.URL.RawPath
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actualHeader = r.Header.Get(ReplacedPathHeader)
requestURI = r.RequestURI
})
handler, err := New(context.Background(), next, test.config, "foo-replace-path")
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require.NoError(t, err)
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server := httptest.NewServer(handler)
defer server.Close()
resp, err := http.Get(server.URL + test.path)
require.NoError(t, err)
require.Equal(t, http.StatusOK, resp.StatusCode)
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assert.Equal(t, test.expectedPath, actualPath, "Unexpected path.")
assert.Equal(t, test.expectedHeader, actualHeader, "Unexpected '%s' header.", ReplacedPathHeader)
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if actualRawPath == "" {
assert.Equal(t, actualPath, requestURI, "Unexpected request URI.")
} else {
assert.Equal(t, actualRawPath, requestURI, "Unexpected request URI.")
}
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})
}
}