flutter/packages/flutter_tools/test/commands/run_test.dart

// Copyright 2016 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_tools/src/base/common.dart';
import 'package:flutter_tools/src/build_info.dart';
import 'package:flutter_tools/src/commands/run.dart';
import 'package:flutter_tools/src/device.dart';
import 'package:flutter_tools/src/runner/flutter_command.dart';
import 'package:mockito/mockito.dart';

import '../src/common.dart';
import '../src/context.dart';
import '../src/mocks.dart';

void main() {
  final MockDeviceManager mockDeviceManager = MockDeviceManager();

  group('run', () {
    testUsingContext('fails when target not found', () async {
      final RunCommand command = RunCommand();
      applyMocksToCommand(command);
      try {
        await createTestCommandRunner(command).run(<String>['run', '-t', 'abc123']);
        fail('Expect exception');
      } on ToolExit catch (e) {
        expect(e.exitCode ?? 1, 1);
      }
    });

    testUsingContext('should only request artifacts corresponding to connected devices', () async {
      when(mockDeviceManager.getDevices()).thenAnswer((Invocation invocation) {
        return Stream<Device>.fromIterable(<Device>[
          MockDevice(TargetPlatform.android_arm),
        ]);
      });

      expect(await RunCommand().requiredArtifacts, unorderedEquals(<DevelopmentArtifact>{
        DevelopmentArtifact.universal,
        DevelopmentArtifact.android,
      }));

      when(mockDeviceManager.getDevices()).thenAnswer((Invocation invocation) {
        return Stream<Device>.fromIterable(<Device>[
          MockDevice(TargetPlatform.ios),
        ]);
      });

      expect(await RunCommand().requiredArtifacts, unorderedEquals(<DevelopmentArtifact>{
        DevelopmentArtifact.universal,
        DevelopmentArtifact.iOS,
      }));

      when(mockDeviceManager.getDevices()).thenAnswer((Invocation invocation) {
        return Stream<Device>.fromIterable(<Device>[
          MockDevice(TargetPlatform.ios),
          MockDevice(TargetPlatform.android_arm),
        ]);
      });

      expect(await RunCommand().requiredArtifacts, unorderedEquals(<DevelopmentArtifact>{
        DevelopmentArtifact.universal,
        DevelopmentArtifact.iOS,
        DevelopmentArtifact.android,
      }));

      when(mockDeviceManager.getDevices()).thenAnswer((Invocation invocation) {
        return Stream<Device>.fromIterable(<Device>[
          MockDevice(TargetPlatform.web_javascript),
        ]);
      });

      expect(await RunCommand().requiredArtifacts, unorderedEquals(<DevelopmentArtifact>{
        DevelopmentArtifact.universal,
        DevelopmentArtifact.web,
      }));
    }, overrides: <Type, Generator>{
      DeviceManager: () => mockDeviceManager,
    });
  });
}

class MockDeviceManager extends Mock implements DeviceManager {}
class MockDevice extends Mock implements Device {
  MockDevice(this._targetPlatform);

  final TargetPlatform _targetPlatform;

  @override
  Future<TargetPlatform> get targetPlatform async => _targetPlatform;
}