Function TestEchoRewriteWithRegexRules

middleware/rewrite_test.go:234–273

Verify regex used with rewrite

(t *testing.T)

// Verify regex used with rewrite
func TestEchoRewriteWithRegexRules(t *testing.T) {
	e := echo.New()

	e.Pre(RewriteWithConfig(RewriteConfig{
		Rules: map[string]string{
			"^/a/*":     "/v1/$1",
			"^/b/*/c/*": "/v2/$2/$1",
			"^/c/*/*":   "/v3/$2",
		},
		RegexRules: map[*regexp.Regexp]string{
			regexp.MustCompile("^/x/.+?/(.*)"):   "/v4/$1",
			regexp.MustCompile("^/y/(.+?)/(.*)"): "/v5/$2/$1",
		},
	}))

	var rec *httptest.ResponseRecorder
	var req *http.Request

	testCases := []struct {
		requestPath string
		expectPath  string
	}{
		{"/unmatched", "/unmatched"},
		{"/a/test", "/v1/test"},
		{"/b/foo/c/bar/baz", "/v2/bar/baz/foo"},
		{"/c/ignore/test", "/v3/test"},
		{"/c/ignore1/test/this", "/v3/test/this"},
		{"/x/ignore/test", "/v4/test"},
		{"/y/foo/bar", "/v5/bar/foo"},
	}

	for _, tc := range testCases {
		t.Run(tc.requestPath, func(t *testing.T) {
			req = httptest.NewRequest(http.MethodGet, tc.requestPath, nil)
			rec = httptest.NewRecorder()
			e.ServeHTTP(rec, req)
			assert.Equal(t, tc.expectPath, req.URL.EscapedPath())
		})
	}
}

// Ensure correct escaping as defined in replacement (issue #1798)
func TestEchoRewriteReplacementEscaping(t *testing.T) {