tests/e2e/test/ermine_intl_test.dart

// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// ignore_for_file: import_of_legacy_library_into_null_safe

@Retry(2)

import 'package:ermine_driver/ermine_driver.dart';
import 'package:flutter_driver/flutter_driver.dart';
import 'package:sl4f/sl4f.dart';
import 'package:test/test.dart';

/// Tests that the DUT running ermine can do the following:
///   - Change locale via setui_client and that change takes effect
void main() {
  late Sl4f sl4f;
  late SetUi setUi;
  late ErmineDriver ermine;

  Future<void> setLocale(String localeId) async {
    await setUi.setLocale(localeId);
  }

  Future<void> findTextOnScreen(String text) async {
    final finder = find.text(text);
    final result = await ermine.driver.getText(finder);
    expect(result, text);
  }

  setUpAll(() async {
    sl4f = Sl4f.fromEnvironment();
    await sl4f.startServer();

    setUi = SetUi(sl4f);

    ermine = ErmineDriver(sl4f);
    await ermine.setUp();
  });

  tearDownAll(() async {
    // Restore locale back to 'en-US'.
    await setLocale('en-US');

    await ermine.tearDown();
    await sl4f.stopServer();
    sl4f.close();
  });

  test('Locale can be switched and takes effect', () async {
    await setLocale('en-US');
    await findTextOnScreen('Memory');

    // The text on screen is equivalent to US English "MEMORY".
    await setLocale('sr');
    await findTextOnScreen('МЕМОРИЈА');
  });
}