packages/flutter_tools/test/src/context.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 'dart:async';
import 'dart:io';

import 'package:flutter_tools/src/base/context.dart';
import 'package:flutter_tools/src/base/logger.dart';
import 'package:flutter_tools/src/device.dart';
import 'package:flutter_tools/src/doctor.dart';
import 'package:flutter_tools/src/ios/mac.dart';
import 'package:test/test.dart';

/// Return the test logger. This assumes that the current Logger is a BufferLogger.
BufferLogger get testLogger => context[Logger];

void testUsingContext(String description, dynamic testMethod(), {
  Timeout timeout,
  Map<Type, dynamic> overrides: const <Type, dynamic>{}
}) {
  test(description, () {
    AppContext testContext = new AppContext();

    overrides.forEach((Type type, dynamic value) {
      testContext[type] = value;
    });

    if (!overrides.containsKey(Logger))
      testContext[Logger] = new BufferLogger();

    if (!overrides.containsKey(DeviceManager))
      testContext[DeviceManager] = new MockDeviceManager();

    if (!overrides.containsKey(Doctor))
      testContext[Doctor] = new Doctor();

    if (Platform.isMacOS) {
      if (!overrides.containsKey(XCode))
        testContext[XCode] = new XCode();
    }

    return testContext.runInZone(testMethod);
  }, timeout: timeout);
}

class MockDeviceManager implements DeviceManager {
  String specifiedDeviceId;
  bool get hasSpecifiedDeviceId => specifiedDeviceId != null;

  Future<List<Device>> getAllConnectedDevices() => new Future.value(<Device>[]);
  Future<Device> getDeviceById(String deviceId) => new Future.value(null);
  Future<List<Device>> getDevices() => getAllConnectedDevices();
}