packages/google_maps_flutter/google_maps_flutter_platform_interface/test/platform_interface/google_maps_flutter_platform_test.dart

// Copyright 2017 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:mockito/mockito.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:plugin_platform_interface/plugin_platform_interface.dart';

import 'package:google_maps_flutter_platform_interface/src/method_channel/method_channel_google_maps_flutter.dart';
import 'package:google_maps_flutter_platform_interface/google_maps_flutter_platform_interface.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  group('$GoogleMapsFlutterPlatform', () {
    test('$MethodChannelGoogleMapsFlutter() is the default instance', () {
      expect(GoogleMapsFlutterPlatform.instance,
          isInstanceOf<MethodChannelGoogleMapsFlutter>());
    });

    test('Cannot be implemented with `implements`', () {
      expect(() {
        GoogleMapsFlutterPlatform.instance =
            ImplementsGoogleMapsFlutterPlatform();
      }, throwsA(isInstanceOf<AssertionError>()));
    });

    test('Can be mocked with `implements`', () {
      final GoogleMapsFlutterPlatformMock mock =
          GoogleMapsFlutterPlatformMock();
      GoogleMapsFlutterPlatform.instance = mock;
    });

    test('Can be extended', () {
      GoogleMapsFlutterPlatform.instance = ExtendsGoogleMapsFlutterPlatform();
    });
  });

  group('$MethodChannelGoogleMapsFlutter', () {
    const MethodChannel channel =
        MethodChannel('plugins.flutter.io/google_maps_flutter');
    final List<MethodCall> log = <MethodCall>[];
    channel.setMockMethodCallHandler((MethodCall methodCall) async {
      log.add(methodCall);
    });

//    final MethodChannelGoogleMapsFlutter map = MethodChannelGoogleMapsFlutter(0);

    tearDown(() {
      log.clear();
    });

    test('foo', () async {
//      await map.foo();
      expect(
        log,
        <Matcher>[],
      );
    });
  });
}

class GoogleMapsFlutterPlatformMock extends Mock
    with MockPlatformInterfaceMixin
    implements GoogleMapsFlutterPlatform {}

class ImplementsGoogleMapsFlutterPlatform extends Mock
    implements GoogleMapsFlutterPlatform {}

class ExtendsGoogleMapsFlutterPlatform extends GoogleMapsFlutterPlatform {}