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circle_updates_test.dart
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circle_updates_test.dart
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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/services.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'fake_maps_controllers.dart';
Widget _mapWithCircles(Set<Circle> circles) {
return Directionality(
textDirection: TextDirection.ltr,
child: GoogleMap(
initialCameraPosition: const CameraPosition(target: LatLng(10.0, 15.0)),
circles: circles,
),
);
}
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
final FakePlatformViewsController fakePlatformViewsController =
FakePlatformViewsController();
setUpAll(() {
SystemChannels.platform_views.setMockMethodCallHandler(
fakePlatformViewsController.fakePlatformViewsMethodHandler);
});
setUp(() {
fakePlatformViewsController.reset();
});
testWidgets('Initializing a circle', (WidgetTester tester) async {
const Circle c1 = Circle(circleId: CircleId('circle_1'));
await tester.pumpWidget(_mapWithCircles(<Circle>{c1}));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circlesToAdd.length, 1);
final Circle initializedCircle = platformGoogleMap.circlesToAdd.first;
expect(initializedCircle, equals(c1));
expect(platformGoogleMap.circleIdsToRemove.isEmpty, true);
expect(platformGoogleMap.circlesToChange.isEmpty, true);
});
testWidgets('Adding a circle', (WidgetTester tester) async {
const Circle c1 = Circle(circleId: CircleId('circle_1'));
const Circle c2 = Circle(circleId: CircleId('circle_2'));
await tester.pumpWidget(_mapWithCircles(<Circle>{c1}));
await tester.pumpWidget(_mapWithCircles(<Circle>{c1, c2}));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circlesToAdd.length, 1);
final Circle addedCircle = platformGoogleMap.circlesToAdd.first;
expect(addedCircle, equals(c2));
expect(platformGoogleMap.circleIdsToRemove.isEmpty, true);
expect(platformGoogleMap.circlesToChange.isEmpty, true);
});
testWidgets('Removing a circle', (WidgetTester tester) async {
const Circle c1 = Circle(circleId: CircleId('circle_1'));
await tester.pumpWidget(_mapWithCircles(<Circle>{c1}));
await tester.pumpWidget(_mapWithCircles(<Circle>{}));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circleIdsToRemove.length, 1);
expect(platformGoogleMap.circleIdsToRemove.first, equals(c1.circleId));
expect(platformGoogleMap.circlesToChange.isEmpty, true);
expect(platformGoogleMap.circlesToAdd.isEmpty, true);
});
testWidgets('Updating a circle', (WidgetTester tester) async {
const Circle c1 = Circle(circleId: CircleId('circle_1'));
const Circle c2 = Circle(circleId: CircleId('circle_1'), radius: 10);
await tester.pumpWidget(_mapWithCircles(<Circle>{c1}));
await tester.pumpWidget(_mapWithCircles(<Circle>{c2}));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circlesToChange.length, 1);
expect(platformGoogleMap.circlesToChange.first, equals(c2));
expect(platformGoogleMap.circleIdsToRemove.isEmpty, true);
expect(platformGoogleMap.circlesToAdd.isEmpty, true);
});
testWidgets('Updating a circle', (WidgetTester tester) async {
const Circle c1 = Circle(circleId: CircleId('circle_1'));
const Circle c2 = Circle(circleId: CircleId('circle_1'), radius: 10);
await tester.pumpWidget(_mapWithCircles(<Circle>{c1}));
await tester.pumpWidget(_mapWithCircles(<Circle>{c2}));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circlesToChange.length, 1);
final Circle update = platformGoogleMap.circlesToChange.first;
expect(update, equals(c2));
expect(update.radius, 10);
});
testWidgets('Multi Update', (WidgetTester tester) async {
Circle c1 = const Circle(circleId: CircleId('circle_1'));
Circle c2 = const Circle(circleId: CircleId('circle_2'));
final Set<Circle> prev = <Circle>{c1, c2};
c1 = const Circle(circleId: CircleId('circle_1'), visible: false);
c2 = const Circle(circleId: CircleId('circle_2'), radius: 10);
final Set<Circle> cur = <Circle>{c1, c2};
await tester.pumpWidget(_mapWithCircles(prev));
await tester.pumpWidget(_mapWithCircles(cur));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circlesToChange, cur);
expect(platformGoogleMap.circleIdsToRemove.isEmpty, true);
expect(platformGoogleMap.circlesToAdd.isEmpty, true);
});
testWidgets('Multi Update', (WidgetTester tester) async {
Circle c2 = const Circle(circleId: CircleId('circle_2'));
const Circle c3 = Circle(circleId: CircleId('circle_3'));
final Set<Circle> prev = <Circle>{c2, c3};
// c1 is added, c2 is updated, c3 is removed.
const Circle c1 = Circle(circleId: CircleId('circle_1'));
c2 = const Circle(circleId: CircleId('circle_2'), radius: 10);
final Set<Circle> cur = <Circle>{c1, c2};
await tester.pumpWidget(_mapWithCircles(prev));
await tester.pumpWidget(_mapWithCircles(cur));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circlesToChange.length, 1);
expect(platformGoogleMap.circlesToAdd.length, 1);
expect(platformGoogleMap.circleIdsToRemove.length, 1);
expect(platformGoogleMap.circlesToChange.first, equals(c2));
expect(platformGoogleMap.circlesToAdd.first, equals(c1));
expect(platformGoogleMap.circleIdsToRemove.first, equals(c3.circleId));
});
testWidgets('Partial Update', (WidgetTester tester) async {
const Circle c1 = Circle(circleId: CircleId('circle_1'));
const Circle c2 = Circle(circleId: CircleId('circle_2'));
Circle c3 = const Circle(circleId: CircleId('circle_3'));
final Set<Circle> prev = <Circle>{c1, c2, c3};
c3 = const Circle(circleId: CircleId('circle_3'), radius: 10);
final Set<Circle> cur = <Circle>{c1, c2, c3};
await tester.pumpWidget(_mapWithCircles(prev));
await tester.pumpWidget(_mapWithCircles(cur));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circlesToChange, <Circle>{c3});
expect(platformGoogleMap.circleIdsToRemove.isEmpty, true);
expect(platformGoogleMap.circlesToAdd.isEmpty, true);
});
testWidgets('Update non platform related attr', (WidgetTester tester) async {
Circle c1 = const Circle(circleId: CircleId('circle_1'));
final Set<Circle> prev = <Circle>{c1};
c1 = Circle(circleId: const CircleId('circle_1'), onTap: () {});
final Set<Circle> cur = <Circle>{c1};
await tester.pumpWidget(_mapWithCircles(prev));
await tester.pumpWidget(_mapWithCircles(cur));
final FakePlatformGoogleMap platformGoogleMap =
fakePlatformViewsController.lastCreatedView!;
expect(platformGoogleMap.circlesToChange.isEmpty, true);
expect(platformGoogleMap.circleIdsToRemove.isEmpty, true);
expect(platformGoogleMap.circlesToAdd.isEmpty, true);
});
}