Flutter Integration Test code snippets

app.dart

import 'package:flutter_driver/driver_extension.dart';
import 'package:flutter_integration_test/main.dart' as production_app;

void main() {
  enableFlutterDriverExtension();
  production_app.main();
}

empty_app_test.dart

import 'package:test/test.dart';

void main() {
  group('Test happy case', () {
    test('First test', () {});
  });
}

pubspec.yaml

dev_dependencies:
  flutter_driver:
    sdk: flutter
  test: any

screenshot_sample.dart

test('take a screenshot', () async {
  final header = find.text('Contacts');
  await driver.waitFor(header);
  
  await Directory('screenshots').create();
  final screenshot = await driver.screenshot();
  final fileDescriptor = File('screenshots/contact_list.png');
  fileDescriptor.writeAsBytes(screenshot);
});

setup_app_test.dart

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

void main() {
  group(
    'Test happy case',
    () {
      FlutterDriver driver;
      setUpAll(() async {
        driver = await FlutterDriver.connect();
      });

      tearDownAll(() async {
        driver?.close();
      });

      test('Verify health of Flutter driver', () async {
        final health = await driver.checkHealth();
        expect(health.status, equals(HealthStatus.ok));
      });
    },
  );
}

verify_contact_detail_1.dart

test('Verify contact detail', () async {
  final header = find.text('Contacts');
  await driver.waitFor(header);
});

verify_contact_detail_2.dart

test('Verify contact detail', () async {
  final header = find.text('Contacts');
  await driver.waitFor(header);
   
  final contactList = find.byType('CustomScrollView');
  final ava = find.text('Ava Moreau');
  
  await driver.scrollUntilVisible(
    contactList,
    ava,
    dyScroll: -200.0,
  );
  await driver.tap(ava);
});

verify_contact_detail_full.dart

test('Verify contact detail', () async {
  final header = find.text('Contacts');
  final ava = find.text('Ava Moreau');
  final contactList = find.byType('CustomScrollView');
  await driver.waitFor(header);
  await driver.waitFor(contactList);
  await _scrollToWidget(contactList, ava);
  await driver.tap(ava);
  
  final mobile = find.text('078 637 62 26');
  final email = find.text('[email protected]');
  final streetLabel = find.text('Street');
  final street = find.text('9733 Rue Louis-Garrand');
  final cityLabel = find.text('City');
  final city = find.text('Rudolfstetten-Friedlisberg');
  final stateLabel = find.text('State');
  final state = find.text('Graubünden');
  final postCodeLabel = find.text('Post code');
  final postCode = find.text('4551');
  final backButton = find.pageBack();
  await driver.waitFor(ava);
  await driver.waitFor(mobile);
  await driver.waitFor(email);
  await driver.waitFor(streetLabel);
  await driver.waitFor(street);
  await driver.waitFor(cityLabel);
  await driver.waitFor(city);
  await driver.waitFor(stateLabel);
  await driver.waitFor(state);
  await driver.waitFor(postCodeLabel);
  await driver.waitFor(postCode);
  await driver.tap(backButton);
});