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marker_test.dart
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marker_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 'dart:async';
import 'dart:html' as html;
import 'package:integration_test/integration_test.dart';
import 'package:google_maps/google_maps.dart' as gmaps;
import 'package:google_maps_flutter_web/google_maps_flutter_web.dart';
import 'package:flutter_test/flutter_test.dart';
/// Test Markers
void main() {
IntegrationTestWidgetsFlutterBinding.ensureInitialized();
// Since onTap/DragEnd events happen asynchronously, we need to store when the event
// is fired. We use a completer so the test can wait for the future to be completed.
late Completer<bool> _methodCalledCompleter;
/// This is the future value of the [_methodCalledCompleter]. Reinitialized
/// in the [setUp] method, and completed (as `true`) by [onTap] and [onDragEnd]
/// when those methods are called from the MarkerController.
late Future<bool> methodCalled;
void onTap() {
_methodCalledCompleter.complete(true);
}
void onDragStart(gmaps.LatLng _) {
_methodCalledCompleter.complete(true);
}
void onDrag(gmaps.LatLng _) {
_methodCalledCompleter.complete(true);
}
void onDragEnd(gmaps.LatLng _) {
_methodCalledCompleter.complete(true);
}
setUp(() {
_methodCalledCompleter = Completer();
methodCalled = _methodCalledCompleter.future;
});
group('MarkerController', () {
late gmaps.Marker marker;
setUp(() {
marker = gmaps.Marker();
});
testWidgets('onTap gets called', (WidgetTester tester) async {
MarkerController(marker: marker, onTap: onTap);
// Trigger a click event...
gmaps.Event.trigger(marker, 'click', [gmaps.MapMouseEvent()]);
// The event handling is now truly async. Wait for it...
expect(await methodCalled, isTrue);
});
testWidgets('onDragStart gets called', (WidgetTester tester) async {
MarkerController(marker: marker, onDragStart: onDragStart);
// Trigger a drag end event...
gmaps.Event.trigger(marker, 'dragstart',
[gmaps.MapMouseEvent()..latLng = gmaps.LatLng(0, 0)]);
expect(await methodCalled, isTrue);
});
testWidgets('onDrag gets called', (WidgetTester tester) async {
MarkerController(marker: marker, onDrag: onDrag);
// Trigger a drag end event...
gmaps.Event.trigger(
marker, 'drag', [gmaps.MapMouseEvent()..latLng = gmaps.LatLng(0, 0)]);
expect(await methodCalled, isTrue);
});
testWidgets('onDragEnd gets called', (WidgetTester tester) async {
MarkerController(marker: marker, onDragEnd: onDragEnd);
// Trigger a drag end event...
gmaps.Event.trigger(marker, 'dragend',
[gmaps.MapMouseEvent()..latLng = gmaps.LatLng(0, 0)]);
expect(await methodCalled, isTrue);
});
testWidgets('update', (WidgetTester tester) async {
final controller = MarkerController(marker: marker);
final options = gmaps.MarkerOptions()..draggable = true;
expect(marker.draggable, isNull);
controller.update(options);
expect(marker.draggable, isTrue);
});
testWidgets('infoWindow null, showInfoWindow.',
(WidgetTester tester) async {
final controller = MarkerController(marker: marker);
controller.showInfoWindow();
expect(controller.infoWindowShown, isFalse);
});
testWidgets('showInfoWindow', (WidgetTester tester) async {
final infoWindow = gmaps.InfoWindow();
final map = gmaps.GMap(html.DivElement());
marker.set('map', map);
final controller =
MarkerController(marker: marker, infoWindow: infoWindow);
controller.showInfoWindow();
expect(infoWindow.get('map'), map);
expect(controller.infoWindowShown, isTrue);
});
testWidgets('hideInfoWindow', (WidgetTester tester) async {
final infoWindow = gmaps.InfoWindow();
final map = gmaps.GMap(html.DivElement());
marker.set('map', map);
final controller =
MarkerController(marker: marker, infoWindow: infoWindow);
controller.hideInfoWindow();
expect(infoWindow.get('map'), isNull);
expect(controller.infoWindowShown, isFalse);
});
group('remove', () {
late MarkerController controller;
setUp(() {
final infoWindow = gmaps.InfoWindow();
final map = gmaps.GMap(html.DivElement());
marker.set('map', map);
controller = MarkerController(marker: marker, infoWindow: infoWindow);
});
testWidgets('drops gmaps instance', (WidgetTester tester) async {
controller.remove();
expect(controller.marker, isNull);
});
testWidgets('cannot call update after remove',
(WidgetTester tester) async {
final options = gmaps.MarkerOptions()..draggable = true;
controller.remove();
expect(() {
controller.update(options);
}, throwsAssertionError);
});
testWidgets('cannot call showInfoWindow after remove',
(WidgetTester tester) async {
controller.remove();
expect(() {
controller.showInfoWindow();
}, throwsAssertionError);
});
testWidgets('cannot call hideInfoWindow after remove',
(WidgetTester tester) async {
controller.remove();
expect(() {
controller.hideInfoWindow();
}, throwsAssertionError);
});
});
});
}