| // Copyright 2018 The Chromium 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'; |
| |
| Set<Polyline> _toSet({Polyline p1, Polyline p2, Polyline p3}) { |
| final Set<Polyline> res = Set<Polyline>.identity(); |
| if (p1 != null) { |
| res.add(p1); |
| } |
| if (p2 != null) { |
| res.add(p2); |
| } |
| if (p3 != null) { |
| res.add(p3); |
| } |
| return res; |
| } |
| |
| Widget _mapWithPolylines(Set<Polyline> polylines) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: GoogleMap( |
| initialCameraPosition: const CameraPosition(target: LatLng(10.0, 15.0)), |
| polylines: polylines, |
| ), |
| ); |
| } |
| |
| void main() { |
| TestWidgetsFlutterBinding.ensureInitialized(); |
| |
| final FakePlatformViewsController fakePlatformViewsController = |
| FakePlatformViewsController(); |
| |
| setUpAll(() { |
| SystemChannels.platform_views.setMockMethodCallHandler( |
| fakePlatformViewsController.fakePlatformViewsMethodHandler); |
| }); |
| |
| setUp(() { |
| fakePlatformViewsController.reset(); |
| }); |
| |
| testWidgets('Initializing a polyline', (WidgetTester tester) async { |
| final Polyline p1 = Polyline(polylineId: PolylineId("polyline_1")); |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p1))); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| expect(platformGoogleMap.polylinesToAdd.length, 1); |
| |
| final Polyline initializedPolyline = platformGoogleMap.polylinesToAdd.first; |
| expect(initializedPolyline, equals(p1)); |
| expect(platformGoogleMap.polylineIdsToRemove.isEmpty, true); |
| expect(platformGoogleMap.polylinesToChange.isEmpty, true); |
| }); |
| |
| testWidgets("Adding a polyline", (WidgetTester tester) async { |
| final Polyline p1 = Polyline(polylineId: PolylineId("polyline_1")); |
| final Polyline p2 = Polyline(polylineId: PolylineId("polyline_2")); |
| |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p1))); |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p1, p2: p2))); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| expect(platformGoogleMap.polylinesToAdd.length, 1); |
| |
| final Polyline addedPolyline = platformGoogleMap.polylinesToAdd.first; |
| expect(addedPolyline, equals(p2)); |
| |
| expect(platformGoogleMap.polylineIdsToRemove.isEmpty, true); |
| |
| expect(platformGoogleMap.polylinesToChange.isEmpty, true); |
| }); |
| |
| testWidgets("Removing a polyline", (WidgetTester tester) async { |
| final Polyline p1 = Polyline(polylineId: PolylineId("polyline_1")); |
| |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p1))); |
| await tester.pumpWidget(_mapWithPolylines(null)); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| expect(platformGoogleMap.polylineIdsToRemove.length, 1); |
| expect(platformGoogleMap.polylineIdsToRemove.first, equals(p1.polylineId)); |
| |
| expect(platformGoogleMap.polylinesToChange.isEmpty, true); |
| expect(platformGoogleMap.polylinesToAdd.isEmpty, true); |
| }); |
| |
| testWidgets("Updating a polyline", (WidgetTester tester) async { |
| final Polyline p1 = Polyline(polylineId: PolylineId("polyline_1")); |
| final Polyline p2 = |
| Polyline(polylineId: PolylineId("polyline_1"), geodesic: true); |
| |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p1))); |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p2))); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| expect(platformGoogleMap.polylinesToChange.length, 1); |
| expect(platformGoogleMap.polylinesToChange.first, equals(p2)); |
| |
| expect(platformGoogleMap.polylineIdsToRemove.isEmpty, true); |
| expect(platformGoogleMap.polylinesToAdd.isEmpty, true); |
| }); |
| |
| testWidgets("Updating a polyline", (WidgetTester tester) async { |
| final Polyline p1 = Polyline(polylineId: PolylineId("polyline_1")); |
| final Polyline p2 = |
| Polyline(polylineId: PolylineId("polyline_1"), geodesic: true); |
| |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p1))); |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p2))); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| expect(platformGoogleMap.polylinesToChange.length, 1); |
| |
| final Polyline update = platformGoogleMap.polylinesToChange.first; |
| expect(update, equals(p2)); |
| expect(update.geodesic, true); |
| }); |
| |
| testWidgets("Mutate a polyline", (WidgetTester tester) async { |
| final Polyline p1 = Polyline( |
| polylineId: PolylineId("polyline_1"), |
| points: <LatLng>[const LatLng(0.0, 0.0)], |
| ); |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p1))); |
| |
| p1.points.add(const LatLng(1.0, 1.0)); |
| await tester.pumpWidget(_mapWithPolylines(_toSet(p1: p1))); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| expect(platformGoogleMap.polylinesToChange.length, 1); |
| expect(platformGoogleMap.polylinesToChange.first, equals(p1)); |
| |
| expect(platformGoogleMap.polylineIdsToRemove.isEmpty, true); |
| expect(platformGoogleMap.polylinesToAdd.isEmpty, true); |
| }); |
| |
| testWidgets("Multi Update", (WidgetTester tester) async { |
| Polyline p1 = Polyline(polylineId: PolylineId("polyline_1")); |
| Polyline p2 = Polyline(polylineId: PolylineId("polyline_2")); |
| final Set<Polyline> prev = _toSet(p1: p1, p2: p2); |
| p1 = Polyline(polylineId: PolylineId("polyline_1"), visible: false); |
| p2 = Polyline(polylineId: PolylineId("polyline_2"), geodesic: true); |
| final Set<Polyline> cur = _toSet(p1: p1, p2: p2); |
| |
| await tester.pumpWidget(_mapWithPolylines(prev)); |
| await tester.pumpWidget(_mapWithPolylines(cur)); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| |
| expect(platformGoogleMap.polylinesToChange, cur); |
| expect(platformGoogleMap.polylineIdsToRemove.isEmpty, true); |
| expect(platformGoogleMap.polylinesToAdd.isEmpty, true); |
| }); |
| |
| testWidgets("Multi Update", (WidgetTester tester) async { |
| Polyline p2 = Polyline(polylineId: PolylineId("polyline_2")); |
| final Polyline p3 = Polyline(polylineId: PolylineId("polyline_3")); |
| final Set<Polyline> prev = _toSet(p2: p2, p3: p3); |
| |
| // p1 is added, p2 is updated, p3 is removed. |
| final Polyline p1 = Polyline(polylineId: PolylineId("polyline_1")); |
| p2 = Polyline(polylineId: PolylineId("polyline_2"), geodesic: true); |
| final Set<Polyline> cur = _toSet(p1: p1, p2: p2); |
| |
| await tester.pumpWidget(_mapWithPolylines(prev)); |
| await tester.pumpWidget(_mapWithPolylines(cur)); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| |
| expect(platformGoogleMap.polylinesToChange.length, 1); |
| expect(platformGoogleMap.polylinesToAdd.length, 1); |
| expect(platformGoogleMap.polylineIdsToRemove.length, 1); |
| |
| expect(platformGoogleMap.polylinesToChange.first, equals(p2)); |
| expect(platformGoogleMap.polylinesToAdd.first, equals(p1)); |
| expect(platformGoogleMap.polylineIdsToRemove.first, equals(p3.polylineId)); |
| }); |
| |
| testWidgets("Partial Update", (WidgetTester tester) async { |
| final Polyline p1 = Polyline(polylineId: PolylineId("polyline_1")); |
| final Polyline p2 = Polyline(polylineId: PolylineId("polyline_2")); |
| Polyline p3 = Polyline(polylineId: PolylineId("polyline_3")); |
| final Set<Polyline> prev = _toSet(p1: p1, p2: p2, p3: p3); |
| p3 = Polyline(polylineId: PolylineId("polyline_3"), geodesic: true); |
| final Set<Polyline> cur = _toSet(p1: p1, p2: p2, p3: p3); |
| |
| await tester.pumpWidget(_mapWithPolylines(prev)); |
| await tester.pumpWidget(_mapWithPolylines(cur)); |
| |
| final FakePlatformGoogleMap platformGoogleMap = |
| fakePlatformViewsController.lastCreatedView; |
| |
| expect(platformGoogleMap.polylinesToChange, _toSet(p3: p3)); |
| expect(platformGoogleMap.polylineIdsToRemove.isEmpty, true); |
| expect(platformGoogleMap.polylinesToAdd.isEmpty, true); |
| }); |
| } |