flutter/packages/flutter_tools/test/trace_test.dart

// Copyright 2015 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:args/command_runner.dart';
import 'package:flutter_tools/src/commands/trace.dart';
import 'package:mockito/mockito.dart';
import 'package:test/test.dart';

import 'src/mocks.dart';

main() => defineTests();

defineTests() {
  group('trace', () {
    test('returns 1 when no Android device is connected', () {
      TraceCommand command = new TraceCommand();
      applyMocksToCommand(command);
      MockDeviceStore mockDevices = command.devices;

      when(mockDevices.android.isConnected()).thenReturn(false);

      CommandRunner runner = new CommandRunner('test_flutter', '')
        ..addCommand(command);
      runner.run(['trace']).then((int code) => expect(code, equals(1)));
    });
  });
}