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// Copyright 2014 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.
// @dart = 2.8
import 'package:file/file.dart';
import 'package:file/memory.dart';
import 'package:flutter_tools/src/android/android_sdk.dart';
import 'package:flutter_tools/src/android/android_workflow.dart';
import 'package:flutter_tools/src/base/logger.dart';
import 'package:flutter_tools/src/device.dart';
import 'package:flutter_tools/src/emulator.dart';
import 'package:flutter_tools/src/ios/ios_emulators.dart';
import 'package:flutter_tools/src/macos/xcode.dart';
import 'package:test/fake.dart';
import '../src/common.dart';
import '../src/context.dart';
import '../src/fakes.dart';
const FakeEmulator emulator1 = FakeEmulator('Nexus_5', 'Nexus 5', 'Google');
const FakeEmulator emulator2 = FakeEmulator('Nexus_5X_API_27_x86', 'Nexus 5X', 'Google');
const FakeEmulator emulator3 = FakeEmulator('iOS Simulator', 'iOS Simulator', 'Apple');
const List<Emulator> emulators = <Emulator>[
emulator1,
emulator2,
emulator3,
];
// We have to send a command that fails in order to get the list of valid
// system images paths. This is an example of the output to use in the fake.
const String fakeCreateFailureOutput =
'Error: Package path (-k) not specified. Valid system image paths are:\n'
'system-images;android-27;google_apis;x86\n'
'system-images;android-P;google_apis;x86\n'
'system-images;android-27;google_apis_playstore;x86\n'
'null\n'; // Yep, these really end with null (on dantup's machine at least)
const FakeCommand kListEmulatorsCommand = FakeCommand(
command: <String>['avdmanager', 'create', 'avd', '-n', 'temp'],
stderr: fakeCreateFailureOutput,
exitCode: 1,
);
void main() {
FakeProcessManager fakeProcessManager;
FakeAndroidSdk sdk;
FileSystem fileSystem;
Xcode xcode;
setUp(() {
fileSystem = MemoryFileSystem.test();
fakeProcessManager = FakeProcessManager.empty();
sdk = FakeAndroidSdk();
xcode = Xcode.test(processManager: fakeProcessManager, fileSystem: fileSystem);
sdk
..avdManagerPath = 'avdmanager'
..emulatorPath = 'emulator'
..adbPath = 'adb';
});
group('EmulatorManager', () {
// iOS discovery uses context.
testUsingContext('getEmulators', () async {
// Test that EmulatorManager.getEmulators() doesn't throw.
final EmulatorManager emulatorManager = EmulatorManager(
fileSystem: MemoryFileSystem.test(),
logger: BufferLogger.test(),
processManager: FakeProcessManager.list(<FakeCommand>[
const FakeCommand(
command: <String>['emulator', '-list-avds'],
stdout: 'existing-avd-1',
),
]),
androidSdk: sdk,
androidWorkflow: AndroidWorkflow(
androidSdk: sdk,
featureFlags: TestFeatureFlags(),
operatingSystemUtils: FakeOperatingSystemUtils(),
),
);
await expectLater(() async => emulatorManager.getAllAvailableEmulators(),
returnsNormally);
});
testUsingContext('getEmulators with no Android SDK', () async {
// Test that EmulatorManager.getEmulators() doesn't throw when there's no Android SDK.
final EmulatorManager emulatorManager = EmulatorManager(
fileSystem: MemoryFileSystem.test(),
logger: BufferLogger.test(),
processManager: FakeProcessManager.list(<FakeCommand>[
const FakeCommand(
command: <String>['emulator', '-list-avds'],
stdout: 'existing-avd-1',
),
]),
androidSdk: null,
androidWorkflow: AndroidWorkflow(
androidSdk: sdk,
featureFlags: TestFeatureFlags(),
operatingSystemUtils: FakeOperatingSystemUtils(),
),
);
await expectLater(() async => emulatorManager.getAllAvailableEmulators(),
returnsNormally);
});
testWithoutContext('getEmulatorsById', () async {
final TestEmulatorManager testEmulatorManager = TestEmulatorManager(emulators);
expect(await testEmulatorManager.getEmulatorsMatching('Nexus_5'), <Emulator>[emulator1]);
expect(await testEmulatorManager.getEmulatorsMatching('Nexus_5X'), <Emulator>[emulator2]);
expect(await testEmulatorManager.getEmulatorsMatching('Nexus_5X_API_27_x86'), <Emulator>[emulator2]);
expect(await testEmulatorManager.getEmulatorsMatching('Nexus'), <Emulator>[emulator1, emulator2]);
expect(await testEmulatorManager.getEmulatorsMatching('iOS Simulator'), <Emulator>[emulator3]);
expect(await testEmulatorManager.getEmulatorsMatching('ios'), <Emulator>[emulator3]);
});
testUsingContext('create emulator with a missing avdmanager does not crash.', () async {
sdk.avdManagerPath = null;
final EmulatorManager emulatorManager = EmulatorManager(
fileSystem: MemoryFileSystem.test(),
logger: BufferLogger.test(),
processManager: FakeProcessManager.list(<FakeCommand>[
const FakeCommand(
command: <String>['emulator', '-list-avds'],
stdout: 'existing-avd-1',
),
]),
androidSdk: sdk,
androidWorkflow: AndroidWorkflow(
androidSdk: sdk,
featureFlags: TestFeatureFlags(),
operatingSystemUtils: FakeOperatingSystemUtils(),
),
);
final CreateEmulatorResult result = await emulatorManager.createEmulator();
expect(result.success, false);
expect(result.error, contains('avdmanager is missing from the Android SDK'));
});
// iOS discovery uses context.
testUsingContext('create emulator with an empty name does not fail', () async {
final EmulatorManager emulatorManager = EmulatorManager(
fileSystem: MemoryFileSystem.test(),
logger: BufferLogger.test(),
processManager: FakeProcessManager.list(<FakeCommand>[
const FakeCommand(
command: <String>['emulator', '-list-avds'],
stdout: 'existing-avd-1',
),
const FakeCommand(
command: <String>['avdmanager', 'list', 'device', '-c'],
stdout: 'test\ntest2\npixel\npixel-xl\n',
),
kListEmulatorsCommand,
const FakeCommand(
command: <String>[
'avdmanager',
'create',
'avd',
'-n',
'flutter_emulator',
'-k',
'system-images;android-27;google_apis_playstore;x86',
'-d',
'pixel',
],
)
]),
androidSdk: sdk,
androidWorkflow: AndroidWorkflow(
androidSdk: sdk,
featureFlags: TestFeatureFlags(),
operatingSystemUtils: FakeOperatingSystemUtils(),
),
);
final CreateEmulatorResult result = await emulatorManager.createEmulator();
expect(result.success, true);
});
testWithoutContext('create emulator with a unique name does not throw', () async {
final EmulatorManager emulatorManager = EmulatorManager(
fileSystem: MemoryFileSystem.test(),
logger: BufferLogger.test(),
processManager: FakeProcessManager.list(<FakeCommand>[
const FakeCommand(
command: <String>['avdmanager', 'list', 'device', '-c'],
stdout: 'test\ntest2\npixel\npixel-xl\n',
),
kListEmulatorsCommand,
const FakeCommand(
command: <String>[
'avdmanager',
'create',
'avd',
// The specified name is given with the -n flag.
'-n',
'test',
'-k',
'system-images;android-27;google_apis_playstore;x86',
'-d',
'pixel',
],
)
]),
androidSdk: sdk,
androidWorkflow: AndroidWorkflow(
androidSdk: sdk,
featureFlags: TestFeatureFlags(),
operatingSystemUtils: FakeOperatingSystemUtils(),
),
);
final CreateEmulatorResult result = await emulatorManager.createEmulator(name: 'test');
expect(result.success, true);
});
testWithoutContext('create emulator with an existing name errors', () async {
final EmulatorManager emulatorManager = EmulatorManager(
fileSystem: MemoryFileSystem.test(),
logger: BufferLogger.test(),
processManager: FakeProcessManager.list(<FakeCommand>[
const FakeCommand(
command: <String>['avdmanager', 'list', 'device', '-c'],
stdout: 'test\ntest2\npixel\npixel-xl\n',
),
kListEmulatorsCommand,
const FakeCommand(
command: <String>[
'avdmanager',
'create',
'avd',
'-n',
'existing-avd-1',
'-k',
'system-images;android-27;google_apis_playstore;x86',
'-d',
'pixel',
],
exitCode: 1,
stderr: "Error: Android Virtual Device 'existing-avd-1' already exists.\n"
'Use --force if you want to replace it.'
)
]),
androidSdk: sdk,
androidWorkflow: AndroidWorkflow(
androidSdk: sdk,
featureFlags: TestFeatureFlags(),
operatingSystemUtils: FakeOperatingSystemUtils(),
),
);
final CreateEmulatorResult result = await emulatorManager.createEmulator(name: 'existing-avd-1');
expect(result.success, false);
});
// iOS discovery uses context.
testUsingContext('create emulator without a name but when default exists adds a suffix', () async {
final EmulatorManager emulatorManager = EmulatorManager(
fileSystem: MemoryFileSystem.test(),
logger: BufferLogger.test(),
processManager: FakeProcessManager.list(<FakeCommand>[
const FakeCommand(
command: <String>['emulator', '-list-avds'],
stdout: 'existing-avd-1\nflutter_emulator',
),
const FakeCommand(
command: <String>['avdmanager', 'list', 'device', '-c'],
stdout: 'test\ntest2\npixel\npixel-xl\n',
),
kListEmulatorsCommand,
const FakeCommand(
command: <String>[
'avdmanager',
'create',
'avd',
// a "_2" suffix is added to disambiguate from the existing emulator.
'-n',
'flutter_emulator_2',
'-k',
'system-images;android-27;google_apis_playstore;x86',
'-d',
'pixel',
],
)
]),
androidSdk: sdk,
androidWorkflow: AndroidWorkflow(
androidSdk: sdk,
featureFlags: TestFeatureFlags(),
operatingSystemUtils: FakeOperatingSystemUtils(),
),
);
final CreateEmulatorResult result = await emulatorManager.createEmulator();
expect(result.success, true);
expect(result.emulatorName, 'flutter_emulator_2');
});
});
group('ios_emulators', () {
testUsingContext('runs correct launch commands', () async {
fileSystem.directory('/fake/Xcode.app/Contents/Developer/Applications/Simulator.app').createSync(recursive: true);
fakeProcessManager.addCommands(
<FakeCommand>[
const FakeCommand(
command: <String>['/usr/bin/xcode-select', '--print-path'],
stdout: '/fake/Xcode.app/Contents/Developer',
),
const FakeCommand(command: <String>[
'open',
'-n',
'-a',
'/fake/Xcode.app/Contents/Developer/Applications/Simulator.app',
]),
const FakeCommand(command: <String>[
'open',
'-a',
'/fake/Xcode.app/Contents/Developer/Applications/Simulator.app',
])
],
);
const Emulator emulator = IOSEmulator('ios');
await emulator.launch();
expect(fakeProcessManager.hasRemainingExpectations, isFalse);
}, overrides: <Type, Generator>{
ProcessManager: () => fakeProcessManager,
Xcode: () => xcode,
FileSystem: () => fileSystem,
});
});
}
class TestEmulatorManager extends EmulatorManager {
TestEmulatorManager(this.allEmulators);
final List<Emulator> allEmulators;
@override
Future<List<Emulator>> getAllAvailableEmulators() {
return Future<List<Emulator>>.value(allEmulators);
}
}
class FakeEmulator extends Emulator {
const FakeEmulator(String id, this.name, this.manufacturer)
: super(id, true);
@override
final String name;
@override
final String manufacturer;
@override
Category get category => Category.mobile;
@override
PlatformType get platformType => PlatformType.android;
@override
Future<void> launch({bool coldBoot = false}) {
throw UnimplementedError('Not implemented in Mock');
}
}
class FakeAndroidSdk extends Fake implements AndroidSdk {
@override
String avdManagerPath;
@override
String emulatorPath;
@override
String adbPath;
@override
String getAvdManagerPath() => avdManagerPath;
@override
String getAvdPath() => 'avd';
@override
Map<String, String> get sdkManagerEnv => <String, String>{};
}