mirror of
https://github.com/containous/traefik.git
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81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
package middlewares
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import (
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"net/http"
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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 TestReplacePathRegex(t *testing.T) {
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testCases := []struct {
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desc string
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path string
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replacement string
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regex string
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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: "simple regex",
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path: "/whoami/and/whoami",
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replacement: "/who-am-i/$1",
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regex: `^/whoami/(.*)`,
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expectedPath: "/who-am-i/and/whoami",
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expectedHeader: "/whoami/and/whoami",
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},
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{
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desc: "simple replace (no regex)",
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path: "/whoami/and/whoami",
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replacement: "/who-am-i",
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regex: `/whoami`,
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expectedPath: "/who-am-i/and/who-am-i",
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expectedHeader: "/whoami/and/whoami",
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},
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{
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desc: "multiple replacement",
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path: "/downloads/src/source.go",
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replacement: "/downloads/$1-$2",
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regex: `^(?i)/downloads/([^/]+)/([^/]+)$`,
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expectedPath: "/downloads/src-source.go",
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expectedHeader: "/downloads/src/source.go",
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},
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{
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desc: "invalid regular expression",
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path: "/invalid/regexp/test",
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replacement: "/valid/regexp/$1",
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regex: `^(?err)/invalid/regexp/([^/]+)$`,
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expectedPath: "/invalid/regexp/test",
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},
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}
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for _, test := range testCases {
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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 := NewReplacePathRegexHandler(
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test.regex,
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test.replacement,
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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(ReplacedPathHeader)
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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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handler.ServeHTTP(nil, req)
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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.", ReplacedPathHeader)
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if test.expectedHeader != "" {
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assert.Equal(t, actualPath, requestURI, "Unexpected request URI.")
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}
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})
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}
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}
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