[flutter_tools] remove mocks from downgrade and devices test (#82579)

packages/flutter_tools/lib/src/commands/downgrade.dart

@@ -35,7 +35,7 @@ class DowngradeCommand extends FlutterCommand {
     Logger logger,
     ProcessManager processManager,
     FlutterVersion flutterVersion,
-    AnsiTerminal terminal,
+    Terminal terminal,
     Stdio stdio,
     FileSystem fileSystem,
   }) : _terminal = terminal,
@@ -61,7 +61,7 @@ class DowngradeCommand extends FlutterCommand {
     );
   }
 
-  AnsiTerminal _terminal;
+  Terminal _terminal;
   FlutterVersion _flutterVersion;
   PersistentToolState _persistentToolState;
   ProcessUtils _processUtils;

packages/flutter_tools/test/commands.shard/hermetic/downgrade_test.dart

@@ -12,7 +12,7 @@ import 'package:flutter_tools/src/base/terminal.dart';
 import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/commands/downgrade.dart';
 import 'package:flutter_tools/src/persistent_tool_state.dart';
-import 'package:mockito/mockito.dart';
+import 'package:test/fake.dart';
 
 import '../../src/common.dart';
 import '../../src/context.dart';
@@ -22,9 +22,9 @@ import '../../src/test_flutter_command_runner.dart';
 void main() {
   FileSystem fileSystem;
   BufferLogger bufferLogger;
-  AnsiTerminal terminal;
+  FakeTerminal terminal;
   ProcessManager processManager;
-  MockStdio mockStdio;
+  FakeStdio stdio;
 
   setUpAll(() {
     Cache.disableLocking();
@@ -35,9 +35,9 @@ void main() {
   });
 
   setUp(() {
-    mockStdio = MockStdio();
+    stdio = FakeStdio();
     processManager = FakeProcessManager.any();
-    terminal = MockTerminal();
+    terminal = FakeTerminal();
     fileSystem = MemoryFileSystem.test();
     bufferLogger = BufferLogger.test(terminal: terminal);
   });
@@ -50,7 +50,7 @@ void main() {
       persistentToolState: PersistentToolState.test(directory: fileSystem.currentDirectory, logger: bufferLogger),
       processManager: processManager,
       terminal: terminal,
-      stdio: mockStdio,
+      stdio: stdio,
       flutterVersion: fakeFlutterVersion,
       logger: bufferLogger,
     );
@@ -75,7 +75,7 @@ void main() {
         )
       ]),
       terminal: terminal,
-      stdio: mockStdio,
+      stdio: stdio,
       flutterVersion: fakeFlutterVersion,
       logger: bufferLogger,
     );
@@ -103,7 +103,7 @@ void main() {
         )
       ]),
       terminal: terminal,
-      stdio: mockStdio,
+      stdio: stdio,
       flutterVersion: fakeFlutterVersion,
       logger: bufferLogger,
     );
@@ -114,67 +114,49 @@ void main() {
 
    testUsingContext('Downgrade prompts for user input when terminal is attached - y', () async {
     final FakeFlutterVersion fakeFlutterVersion = FakeFlutterVersion(channel: 'master');
-    when(mockStdio.hasTerminal).thenReturn(true);
+    stdio.hasTerminal = true;
     fileSystem.currentDirectory.childFile('.flutter_tool_state')
       .writeAsStringSync('{"last-active-master-version":"g6b00b5e88"}');
     final DowngradeCommand command = DowngradeCommand(
       persistentToolState: PersistentToolState.test(directory: fileSystem.currentDirectory, logger: bufferLogger),
       processManager: processManager,
       terminal: terminal,
-      stdio: mockStdio,
+      stdio: stdio,
       flutterVersion: fakeFlutterVersion,
       logger: bufferLogger,
     );
 
-    when(terminal.promptForCharInput(
-      const <String>['y', 'n'],
-      prompt: anyNamed('prompt'),
-      logger: anyNamed('logger'),
-    )).thenAnswer((Invocation invocation) async => 'y');
+    terminal.addPrompt(const <String>['y', 'n'], 'y');
 
     await createTestCommandRunner(command).run(const <String>['downgrade']);
 
-    verify(terminal.promptForCharInput(
-      const <String>['y', 'n'],
-      prompt: anyNamed('prompt'),
-      logger: anyNamed('logger'),
-    )).called(1);
     expect(bufferLogger.statusText, contains('Success'));
   });
 
    testUsingContext('Downgrade prompts for user input when terminal is attached - n', () async {
     final FakeFlutterVersion fakeFlutterVersion = FakeFlutterVersion(channel: 'master');
-    when(mockStdio.hasTerminal).thenReturn(true);
+    stdio.hasTerminal = true;
     fileSystem.currentDirectory.childFile('.flutter_tool_state')
       .writeAsStringSync('{"last-active-master-version":"g6b00b5e88"}');
     final DowngradeCommand command = DowngradeCommand(
       persistentToolState: PersistentToolState.test(directory: fileSystem.currentDirectory, logger: bufferLogger),
       processManager: processManager,
       terminal: terminal,
-      stdio: mockStdio,
+      stdio: stdio,
       flutterVersion: fakeFlutterVersion,
       logger: bufferLogger,
     );
 
-    when(terminal.promptForCharInput(
-      const <String>['y', 'n'],
-      prompt: anyNamed('prompt'),
-      logger: anyNamed('logger'),
-    )).thenAnswer((Invocation invocation) async => 'n');
+    terminal.addPrompt(const <String>['y', 'n'], 'n');
 
     await createTestCommandRunner(command).run(const <String>['downgrade']);
 
-    verify(terminal.promptForCharInput(
-      const <String>['y', 'n'],
-      prompt: anyNamed('prompt'),
-      logger: anyNamed('logger'),
-    )).called(1);
     expect(bufferLogger.statusText, isNot(contains('Success')));
   });
 
   testUsingContext('Downgrade does not prompt when there is no terminal', () async {
     final FakeFlutterVersion fakeFlutterVersion = FakeFlutterVersion(channel: 'master');
-    when(mockStdio.hasTerminal).thenReturn(false);
+    stdio.hasTerminal = false;
     fileSystem.currentDirectory.childFile('.flutter_tool_state')
       .writeAsStringSync('{"last-active-master-version":"g6b00b5e88"}');
     final DowngradeCommand command = DowngradeCommand(
@@ -184,24 +166,19 @@ void main() {
       ),
       processManager: processManager,
       terminal: terminal,
-      stdio: mockStdio,
+      stdio: stdio,
       flutterVersion: fakeFlutterVersion,
       logger: bufferLogger,
     );
 
     await createTestCommandRunner(command).run(const <String>['downgrade']);
 
-    verifyNever(terminal.promptForCharInput(
-      const <String>['y', 'n'],
-      prompt: anyNamed('prompt'),
-      logger: anyNamed('logger'),
-    ));
     expect(bufferLogger.statusText, contains('Success'));
   });
 
   testUsingContext('Downgrade performs correct git commands', () async {
     final FakeFlutterVersion fakeFlutterVersion = FakeFlutterVersion(channel: 'master');
-    when(mockStdio.hasTerminal).thenReturn(false);
+    stdio.hasTerminal = false;
     fileSystem.currentDirectory.childFile('.flutter_tool_state')
       .writeAsStringSync('{"last-active-master-version":"g6b00b5e88"}');
     final DowngradeCommand command = DowngradeCommand(
@@ -228,7 +205,7 @@ void main() {
         ),
       ]),
       terminal: terminal,
-      stdio: mockStdio,
+      stdio: stdio,
       flutterVersion: fakeFlutterVersion,
       logger: bufferLogger,
     );
@@ -239,5 +216,26 @@ void main() {
   });
 }
 
-class MockTerminal extends Mock implements AnsiTerminal {}
-class MockStdio extends Mock implements Stdio {}
+class FakeTerminal extends Fake implements Terminal {
+  @override
+  bool usesTerminalUi = false;
+
+  void addPrompt(List<String> characters, String selected) {
+    _characters = characters;
+    _selected = selected;
+  }
+
+  List<String> _characters;
+  String _selected;
+
+  @override
+  Future<String> promptForCharInput(List<String> acceptedCharacters, {Logger logger, String prompt, int defaultChoiceIndex, bool displayAcceptedCharacters = true}) async {
+    expect(acceptedCharacters, _characters);
+    return _selected;
+  }
+}
+
+class FakeStdio extends Fake implements Stdio {
+  @override
+  bool hasTerminal = true;
+}

packages/flutter_tools/test/commands.shard/permeable/devices_test.dart

@@ -13,21 +13,27 @@ import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/commands/devices.dart';
 import 'package:flutter_tools/src/device.dart';
 import 'package:flutter_tools/src/features.dart';
-import 'package:flutter_tools/src/globals.dart' as globals;
 import 'package:flutter_tools/src/web/web_device.dart';
-import 'package:mockito/mockito.dart';
+import 'package:test/fake.dart';
 
 import '../../src/context.dart';
 import '../../src/fakes.dart';
 import '../../src/test_flutter_command_runner.dart';
 
 void main() {
+  FakeDeviceManager deviceManager;
+  BufferLogger logger;
+
   setUpAll(() {
     Cache.disableLocking();
   });
 
+  setUp(() {
+    deviceManager = FakeDeviceManager();
+    logger = BufferLogger.test();
+  });
+
   testUsingContext('devices can display no connected devices with the --machine flag', () async {
-    final BufferLogger logger = context.get<Logger>() as BufferLogger;
     final DevicesCommand command = DevicesCommand();
     final CommandRunner<void> runner = createTestCommandRunner(command);
     await runner.run(<String>['devices', '--machine']);
@@ -38,16 +44,13 @@ void main() {
     );
   }, overrides: <Type, Generator>{
     FeatureFlags: () => TestFeatureFlags(isWebEnabled: false),
+    Logger: () => logger,
   });
 
   testUsingContext('devices can display via the --machine flag', () async {
-    when(globals.deviceManager.refreshAllConnectedDevices()).thenAnswer((Invocation invocation) async {
-      return <Device>[
-        WebServerDevice(logger: BufferLogger.test()),
+    deviceManager.devices = <Device>[
+      WebServerDevice(logger: logger),
     ];
-    });
-
-    final BufferLogger logger = context.get<Logger>() as BufferLogger;
     final DevicesCommand command = DevicesCommand();
     final CommandRunner<void> runner = createTestCommandRunner(command);
     await runner.run(<String>['devices', '--machine']);
@@ -76,8 +79,19 @@ void main() {
     );
   }, overrides: <Type, Generator>{
     FeatureFlags: () => TestFeatureFlags(isWebEnabled: true),
-    DeviceManager: () => MockDeviceManager(),
+    DeviceManager: () => deviceManager,
+    Logger: () => logger,
   });
 }
 
-class MockDeviceManager extends Mock implements DeviceManager {}
+class FakeDeviceManager extends Fake implements DeviceManager {
+  List<Device> devices = <Device>[];
+
+  @override
+  String specifiedDeviceId;
+
+  @override
+  Future<List<Device>> refreshAllConnectedDevices({Duration timeout}) async {
+    return devices;
+  }
+}