Test_App_Mount_Express_Behavior() — fiber Function Reference

Architecture documentation for the Test_App_Mount_Express_Behavior() function in mount_test.go from the fiber codebase.

Function go FiberCore Routing

Entity Profile

FiberCore→ Routing→ Test_App_Mount_Express_Behavior() — fiber Function Reference

Dependency Diagram

graph TD
  eaa8c07c_0883_2307_41c8_7bc52e4354fc["Test_App_Mount_Express_Behavior()"]
  dbd7cc10_1955_3f67_b103_5ae841223af0["mount_test.go"]
  eaa8c07c_0883_2307_41c8_7bc52e4354fc -->|defined in| dbd7cc10_1955_3f67_b103_5ae841223af0
  style eaa8c07c_0883_2307_41c8_7bc52e4354fc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

mount_test.go lines 93–138

func Test_App_Mount_Express_Behavior(t *testing.T) {
	t.Parallel()
	createTestHandler := func(body string) func(c Ctx) error {
		return func(c Ctx) error {
			return c.SendString(body)
		}
	}
	testEndpoint := func(app *App, route, expectedBody string, expectedStatusCode int) {
		resp, err := app.Test(httptest.NewRequest(MethodGet, route, http.NoBody))
		require.NoError(t, err, "app.Test(req)")
		body, err := io.ReadAll(resp.Body)
		require.NoError(t, err)
		require.Equal(t, expectedStatusCode, resp.StatusCode, "Status code")
		require.Equal(t, expectedBody, string(body), "Unexpected response body")
	}

	app := New()
	subApp := New()

	// app setup
	subApp.Get("/hello", createTestHandler("subapp hello!"))
	subApp.Get("/world", createTestHandler("subapp world!")) // <- wins

	app.Get("/hello", createTestHandler("app hello!")) // <- wins
	app.Use("/", subApp)                               // <- subApp registration
	app.Get("/world", createTestHandler("app world!"))

	app.Get("/bar", createTestHandler("app bar!"))
	subApp.Get("/bar", createTestHandler("subapp bar!")) // <- wins

	subApp.Get("/foo", createTestHandler("subapp foo!")) // <- wins
	app.Get("/foo", createTestHandler("app foo!"))

	// 404 Handler
	app.Use(func(c Ctx) error {
		return c.SendStatus(StatusNotFound)
	})
	// expectation check
	testEndpoint(app, "/world", "subapp world!", StatusOK)
	testEndpoint(app, "/hello", "app hello!", StatusOK)
	testEndpoint(app, "/bar", "subapp bar!", StatusOK)
	testEndpoint(app, "/foo", "subapp foo!", StatusOK)
	testEndpoint(app, "/unknown", ErrNotFound.Message, StatusNotFound)

	require.Equal(t, uint32(17), app.handlersCount)
}