Function Test_RegexHandler_Custom

path_test.go:567–596

Test_RegexHandler_Custom verifies that a custom regex handler can be used

(t *testing.T)

// Test_RegexHandler_Custom verifies that a custom regex handler can be used
func Test_RegexHandler_Custom(t *testing.T) {
	t.Parallel()

	var lastPattern string
	var compileCalled bool

	// Create app with custom regex handler
	app := New(Config{
		RegexHandler: mockRegexHandler(&lastPattern, &compileCalled),
	})

	// Register a route with regex constraint
	app.Get("/api/:id<regex(\\d+)>", func(c Ctx) error {
		return c.SendString("matched")
	})

	// Verify the mock handler was used during route registration
	require.True(t, compileCalled, "RegexHandler should have been called")
	require.Equal(t, `\d+`, lastPattern, "Pattern should match")

	// Test the route
	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/api/123", http.NoBody))
	require.NoError(t, err)
	require.Equal(t, StatusOK, resp.StatusCode)

	// Test with non-matching pattern
	resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/api/abc", http.NoBody))
	require.NoError(t, err)
	require.Equal(t, StatusNotFound, resp.StatusCode)
}

// Test_RegexHandler_MatchOnlyCompiler verifies Fiber accepts compilers that only implement MatchString.
func Test_RegexHandler_MatchOnlyCompiler(t *testing.T) {