Fluttercon snippets

Part 1 - verbose code 1.dart

testWidgets('signs up', (WidgetTester tester) async {
  await tester.pumpWidget(ExampleApp());
  await tester.pumpAndSettle();
  await tester.enterText(
    find.byKey(Key('emailTextField')),
    'charlie@root.me',
  );
  await tester.pumpAndSettle();
  await tester.enterText(
    find.byKey(Key('nameTextField')),
    'Charlie',
  );
  await tester.pumpAndSettle();
  await tester.enterText(
 	find.byKey(Key('passwordTextField')),
    'ny4ncat',
  );
  await tester.pumpAndSettle();
  await tester.tap(find.byKey(Key('termsCheckbox')));
  await tester.pumpAndSettle();
  await tester.tap(find.byKey(Key('signUpButton')));
  await tester.pumpAndSettle();
  expect(find.text('Welcome, Charlie!'), findsOneWidget);
});

Part 1 - verbose code 2.dart

await tester.tap(
  find.ancestor(
    of: find.text('Activated'),
    matching: find.descendant(
       of: find.byType(ListTile),
       matching: find.byKey(Key('learnMore')),
    ),
  ).first,
);

Part 2 - primitive test bundling.dart

import 'alpha_test.dart' as alpha_test;
import 'bravo_test.dart' as bravo_test;
import 'delta_test.dart' as delta_test;
import 'zulu_test.dart' as zulu_test;

void main(){
  group('bundled tests', () {
    alpha_test.main();
    bravo_test.main();
    delta_test.main();
    zulu_test.main();
  });
}

Part 3.1 - native automation 1.dart

patrolTest('demo', nativeAutomation: true, (PatrolTester $) async {
  await $.pumpWidgetAndSettle(ExampleApp());

  // prepare network conditions
  await $.native.enableCellular();
  await $.native.disableWifi();

  // toggle system theme
  await $.native.enableDarkMode();

  // handle permission request dialog about location
  await $.native.selectFineLocation();
  await $.native.grantPermissionWhenInUse();

  // open drawer and tap on the first notification
  await $.native.openNotifications();
  await $.native.tapOnNotificationByIndex(0) ;
});

Part 3.1 - native automation 2.dart

patrolTest(
  'grants various permissions',
  nativeAutomation: true,
  (PatrolTester $) async {
    await $.pumpWidgetAndSettle(ExampleApp());
    await $('Open permissions screen').scrollTo().tap();
    await $('Request camera permission').tap();
    await $.native.grantPermissionWhenInUse();
    await $('Request microphone permission').tap();
    await $.native.grantPermissionWhenInUse();
    await $('Request contacts permission').tap();
    await $.native.denyPermission();
  },
);

Part 3.1 - native automation 3.dart

patrolTest(
  'taps on notification',
  nativeAutomation: true,
  (PatrolTester $) async {
    await $.pumpWidgetAndSettle(ExampleApp());
    await $('Open notifications screen').tap();
    await $.native.grantPermissionWhenInUse();
    await $('Show in a few seconds').tap();
    await $.native.pressHome();
    await $.native.openNotifications();
    await $.native.tapOnNotificationBySelector(
      Selector(textContains: 'Someone liked'),
    );
    await $(RegExp('ID: 1')).waitUntilVisible();
  },
);

Part 3.1 - native automation 4.dart

patrolTest(
  'accepts location permission',
  nativeAutomation: true,
  (PatrolTester $) async {
    await $.pumpWidgetAndSettle(ExampleApp());
    await $('Open location screen').scrollTo().tap();
    await $('Grant permission').tap() ;
    await $.native.selectCoarseLocation();
    await $.native.selectFineLocation();
    await $.native.selectCoarseLocation();
    await $.native.selectFineLocation();
    await $.native.grantPermission0nlyThisTime();
    await $(RegExp('lat')).waitUntilVisible();
    await $(RegExp('Ing')).waitUntilVisible();
  },
);

Part 3.2 - custom finders 1 - patrol.dart

await $('Sign in').tap();
await $('Email').enterText('charlie@root.me');

Part 3.2 - custom finders 2.dart

$(ListView) // -> find.byType(ListView)
$('Subscribe') // -> find.text('Subscribe')
$(#signInButton) // -> find.byKey(Key('signInButton'))
$(Icons.add) // -> find.byIcon(Icons.add)
$(RegExp(r'\d+ USD')) // -> find.textContaining(RegExp(r'\d+ USD'))

Part 3.2 - custom finders 3 - default.dart

testWidgets('signs up', (WidgetTester tester) async {
  await tester.pumpWidget(ExampleApp());
  await tester.pumpAndSettle();
  await tester.enterText(
    find.byKey(Key('emailTextField')),
    'charlie@root.me',
  );
  await tester.pumpAndSettle();
  await tester.enterText(
    find.byKey(Key('nameTextField')),
    'Charlie',
  );
  await tester.pumpAndSettle();
  await tester.enterText(
 	find.byKey(Key('passwordTextField')),
    'ny4ncat',
  );
  await tester.pumpAndSettle();
  await tester.tap(find.byKey(Key('termsCheckbox')));
  await tester.pumpAndSettle();
  await tester.tap(find.byKey(Key('signUpButton')));
  await tester.pumpAndSettle();
  expect(find.text('Welcome, Charlie!'), findsOneWidget);
});

Part 3.2 - custom finders 3 - patrol.dart

patrolTest('signs up', (PatrolTester $) async {
  await $.pumpWidgetAndSettle(ExampleApp());
  await $(#emailTextField).enterText('charlie@root.me');
  await $(#nameTextField).enterText('Charlie');
  await $(#passwordTextField).enterText('ny4ncat');
  await $(#termsCheckbox).tap();
  await $(#signUpButton).tap();
  await $('Welcome, Charlie!').waitUntilVisible();
});

Part 3.2 - custom finders 4 - default.dart

// TODO: Wait until below is visible
await tester.tap(
  find.descendant(
    of: find.byType(ListView),
    matching: find.text('Subscribe'),
  ).first,
);
await tester.pumpAndSettle();

Part 3.2 - custom finders 4 - patrol.dart

await $(ListView).$('Subscribe').tap();

Part 3.2 - custom finders 5 - default.dart

// TODO: Wait until below is visible
await tester.tap(
  find.ancestor(
    of: find.text('Activated'),
    matching: find.descendant(
       of: find.byType(ListTile),
       matching: find.byKey(Key('learnMore')),
    ),
  ).first,
);
await tester.pumpAndSettle();

Part 3.2 - custom finders 5 - patrol.dart

await $(ListTile).containing('Activated').$(#learnMore).tap();

Part 3.2 - custom finders 6 - extend, not replace.dart

patrolTest('adds comment', (PatrolTester $) async {
  final WidgetTester tester = $.tester;
  
  await tester.enterText(
    find.byKey(Key('commentTextField')),
    'Everything is a widget (not really)',
  );
});