diff --git a/packages/flutter_tools/lib/executable.dart b/packages/flutter_tools/lib/executable.dart
index a505ebbe697..9571bbd286f 100644
--- a/packages/flutter_tools/lib/executable.dart
+++ b/packages/flutter_tools/lib/executable.dart
@@ -154,7 +154,17 @@ List<FlutterCommand> generateCommands({
     ],
   ),
   AssembleCommand(verboseHelp: verboseHelp, buildSystem: globals.buildSystem),
-  AttachCommand(verboseHelp: verboseHelp),
+  AttachCommand(
+    verboseHelp: verboseHelp,
+    artifacts: globals.artifacts,
+    stdio: globals.stdio,
+    logger: globals.logger,
+    terminal: globals.terminal,
+    signals: globals.signals,
+    platform: globals.platform,
+    processInfo: globals.processInfo,
+    fileSystem: globals.fs,
+  ),
   BuildCommand(verboseHelp: verboseHelp),
   ChannelCommand(verboseHelp: verboseHelp),
   CleanCommand(verbose: verbose),
diff --git a/packages/flutter_tools/lib/src/commands/attach.dart b/packages/flutter_tools/lib/src/commands/attach.dart
index 55e350958a5..82c60881d71 100644
--- a/packages/flutter_tools/lib/src/commands/attach.dart
+++ b/packages/flutter_tools/lib/src/commands/attach.dart
@@ -12,6 +12,10 @@ import '../base/common.dart';
 import '../base/context.dart';
 import '../base/file_system.dart';
 import '../base/io.dart';
+import '../base/logger.dart';
+import '../base/platform.dart';
+import '../base/signals.dart';
+import '../base/terminal.dart';
 import  '../build_info.dart';
 import '../commands/daemon.dart';
 import '../compile.dart';
@@ -19,7 +23,6 @@ import '../daemon.dart';
 import '../device.dart';
 import '../device_port_forwarder.dart';
 import '../fuchsia/fuchsia_device.dart';
-import '../globals.dart' as globals;
 import '../ios/devices.dart';
 import '../ios/simulators.dart';
 import '../macos/macos_ipad_device.dart';
@@ -58,7 +61,26 @@ import '../vmservice.dart';
 /// To attach to a flutter mod running on a fuchsia device, `--module` must
 /// also be provided.
 class AttachCommand extends FlutterCommand {
-  AttachCommand({bool verboseHelp = false, this.hotRunnerFactory}) {
+  AttachCommand({
+    bool verboseHelp = false,
+    HotRunnerFactory? hotRunnerFactory,
+    required Artifacts? artifacts,
+    required Stdio stdio,
+    required Logger logger,
+    required Terminal terminal,
+    required Signals signals,
+    required Platform platform,
+    required ProcessInfo processInfo,
+    required FileSystem fileSystem,
+  }): _artifacts = artifacts,
+      _hotRunnerFactory = hotRunnerFactory ?? HotRunnerFactory(),
+      _stdio = stdio,
+      _logger = logger,
+      _terminal = terminal,
+      _signals = signals,
+      _platform = platform,
+      _processInfo = processInfo,
+      _fileSystem = fileSystem {
     addBuildModeFlags(verboseHelp: verboseHelp, defaultToRelease: false, excludeRelease: true);
     usesTargetOption();
     usesPortOptions(verboseHelp: verboseHelp);
@@ -117,10 +139,17 @@ class AttachCommand extends FlutterCommand {
     addDdsOptions(verboseHelp: verboseHelp);
     addDevToolsOptions(verboseHelp: verboseHelp);
     usesDeviceTimeoutOption();
-    hotRunnerFactory ??= HotRunnerFactory();
   }
 
-  HotRunnerFactory? hotRunnerFactory;
+  final HotRunnerFactory _hotRunnerFactory;
+  final Artifacts? _artifacts;
+  final Stdio _stdio;
+  final Logger _logger;
+  final Terminal _terminal;
+  final Signals _signals;
+  final Platform _platform;
+  final ProcessInfo _processInfo;
+  final FileSystem _fileSystem;
 
   @override
   final String name = 'attach';
@@ -221,7 +250,7 @@ known, it can be explicitly provided to attach via the command-line, e.g.
       throwToolExit('Did not find any valid target devices.');
     }
 
-    final Artifacts? overrideArtifacts = device.artifactOverrides ?? globals.artifacts;
+    final Artifacts? overrideArtifacts = device.artifactOverrides ?? _artifacts;
     await context.run<void>(
       body: () => _attachToDevice(device),
       overrides: <Type, Generator>{
@@ -238,12 +267,12 @@ known, it can be explicitly provided to attach via the command-line, e.g.
     final Daemon? daemon = boolArgDeprecated('machine')
       ? Daemon(
           DaemonConnection(
-            daemonStreams: DaemonStreams.fromStdio(globals.stdio, logger: globals.logger),
-            logger: globals.logger,
+            daemonStreams: DaemonStreams.fromStdio(_stdio, logger: _logger),
+            logger: _logger,
           ),
-          notifyingLogger: (globals.logger is NotifyingLogger)
-            ? globals.logger as NotifyingLogger
-            : NotifyingLogger(verbose: globals.logger.isVerbose, parent: globals.logger),
+          notifyingLogger: (_logger is NotifyingLogger)
+            ? _logger as NotifyingLogger
+            : NotifyingLogger(verbose: _logger.isVerbose, parent: _logger),
           logToStdout: true,
         )
       : null;
@@ -296,9 +325,9 @@ known, it can be explicitly provided to attach via the command-line, e.g.
             ipv6: ipv6!,
             devicePort: deviceVmservicePort,
             hostPort: hostVmservicePort,
-            logger: globals.logger,
+            logger: _logger,
           );
-        globals.printStatus('Waiting for a connection from Flutter on ${device.name}...');
+        _logger.printStatus('Waiting for a connection from Flutter on ${device.name}...');
         observatoryUri = observatoryDiscovery.uris;
         // Determine ipv6 status from the scanned logs.
         usesIpv6 = observatoryDiscovery.ipv6;
@@ -316,7 +345,7 @@ known, it can be explicitly provided to attach via the command-line, e.g.
         ).asBroadcastStream();
     }
 
-    globals.terminal.usesTerminalUi = daemon == null;
+    _terminal.usesTerminalUi = daemon == null;
 
     try {
       int? result;
@@ -343,9 +372,9 @@ known, it can be explicitly provided to attach via the command-line, e.g.
             device,
             null,
             true,
-            globals.fs.currentDirectory,
+            _fileSystem.currentDirectory,
             LaunchMode.attach,
-            globals.logger as AppRunLogger,
+            _logger as AppRunLogger,
           );
         } on Exception catch (error) {
           throwToolExit(error.toString());
@@ -366,10 +395,10 @@ known, it can be explicitly provided to attach via the command-line, e.g.
         unawaited(onAppStart.future.whenComplete(() {
           terminalHandler = TerminalHandler(
             runner,
-            logger: globals.logger,
-            terminal: globals.terminal,
-            signals: globals.signals,
-            processInfo: globals.processInfo,
+            logger: _logger,
+            terminal: _terminal,
+            signals: _signals,
+            processInfo: _processInfo,
             reportReady: boolArgDeprecated('report-ready'),
             pidFile: stringArgDeprecated('pid-file'),
           )
@@ -389,7 +418,7 @@ known, it can be explicitly provided to attach via the command-line, e.g.
         if (runner.exited || !runner.isWaitingForObservatory) {
           break;
         }
-        globals.printStatus('Waiting for a new connection from Flutter on ${device.name}...');
+        _logger.printStatus('Waiting for a new connection from Flutter on ${device.name}...');
       }
     } on RPCError catch (err) {
       if (err.code == RPCErrorCodes.kServiceDisappeared) {
@@ -422,7 +451,7 @@ known, it can be explicitly provided to attach via the command-line, e.g.
       targetModel: TargetModel(stringArgDeprecated('target-model')!),
       buildInfo: buildInfo,
       userIdentifier: userIdentifier,
-      platform: globals.platform,
+      platform: _platform,
     );
     flutterDevice.observatoryUris = observatoryUris;
     final List<FlutterDevice> flutterDevices =  <FlutterDevice>[flutterDevice];
@@ -434,7 +463,7 @@ known, it can be explicitly provided to attach via the command-line, e.g.
     );
 
     return buildInfo.isDebug
-      ? hotRunnerFactory!.build(
+      ? _hotRunnerFactory.build(
           flutterDevices,
           target: targetFile,
           debuggingOptions: debuggingOptions,
diff --git a/packages/flutter_tools/test/commands.shard/hermetic/attach_test.dart b/packages/flutter_tools/test/commands.shard/hermetic/attach_test.dart
index 4c7482befd2..e6e3526d4eb 100644
--- a/packages/flutter_tools/test/commands.shard/hermetic/attach_test.dart
+++ b/packages/flutter_tools/test/commands.shard/hermetic/attach_test.dart
@@ -13,13 +13,14 @@ import 'package:flutter_tools/src/base/dds.dart';
 import 'package:flutter_tools/src/base/file_system.dart';
 import 'package:flutter_tools/src/base/io.dart';
 import 'package:flutter_tools/src/base/logger.dart';
+import 'package:flutter_tools/src/base/platform.dart';
+import 'package:flutter_tools/src/base/signals.dart';
 import 'package:flutter_tools/src/base/terminal.dart';
 import 'package:flutter_tools/src/build_info.dart';
 import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/commands/attach.dart';
 import 'package:flutter_tools/src/device.dart';
 import 'package:flutter_tools/src/device_port_forwarder.dart';
-import 'package:flutter_tools/src/globals.dart' as globals;
 import 'package:flutter_tools/src/ios/application_package.dart';
 import 'package:flutter_tools/src/ios/devices.dart';
 import 'package:flutter_tools/src/macos/macos_ipad_device.dart';
@@ -38,6 +39,16 @@ import '../../src/context.dart';
 import '../../src/fake_devices.dart';
 import '../../src/test_flutter_command_runner.dart';
 
+class FakeStdio extends Fake implements Stdio {
+  @override
+  bool stdinHasTerminal = false;
+}
+
+class FakeProcessInfo extends Fake implements ProcessInfo {
+  @override
+  int maxRss = 0;
+}
+
 void main() {
   tearDown(() {
     MacOSDesignedForIPadDevices.allowDiscovery = false;
@@ -47,17 +58,25 @@ void main() {
     late StreamLogger logger;
     late FileSystem testFileSystem;
     late TestDeviceManager testDeviceManager;
+    late Artifacts artifacts;
+    late Stdio stdio;
+    late Terminal terminal;
+    late Signals signals;
+    late Platform platform;
+    late ProcessInfo processInfo;
 
     setUp(() {
       Cache.disableLocking();
       logger = StreamLogger();
-      testFileSystem = MemoryFileSystem(
-      style: globals.platform.isWindows
-          ? FileSystemStyle.windows
-          : FileSystemStyle.posix,
-      );
+      platform = FakePlatform();
+      testFileSystem = MemoryFileSystem.test();
       testFileSystem.directory('lib').createSync();
       testFileSystem.file(testFileSystem.path.join('lib', 'main.dart')).createSync();
+      artifacts = Artifacts.test();
+      stdio = FakeStdio();
+      terminal = FakeTerminal();
+      signals = Signals.test();
+      processInfo = FakeProcessInfo();
       testDeviceManager = TestDeviceManager(logger: BufferLogger.test());
     });
 
@@ -102,7 +121,16 @@ void main() {
             completer.complete();
           }
         });
-        final Future<void> task = createTestCommandRunner(AttachCommand()).run(<String>['attach']);
+        final Future<void> task = createTestCommandRunner(AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        )).run(<String>['attach']);
         await completer.future;
 
         expect(portForwarder.devicePort, devicePort);
@@ -137,7 +165,16 @@ void main() {
             completer.complete();
           }
         });
-        final Future<void> task = createTestCommandRunner(AttachCommand()).run(<String>['attach']);
+        final Future<void> task = createTestCommandRunner(AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        )).run(<String>['attach']);
         await completer.future;
 
         expect(portForwarder.devicePort, devicePort);
@@ -161,7 +198,16 @@ void main() {
           return fakeLogReader;
         };
         testDeviceManager.devices = <Device>[device];
-        expect(() => createTestCommandRunner(AttachCommand()).run(<String>['attach']), throwsToolExit());
+        expect(() => createTestCommandRunner(AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        )).run(<String>['attach']), throwsToolExit());
       }, overrides: <Type, Generator>{
         FileSystem: () => testFileSystem,
         ProcessManager: () => FakeProcessManager.any(),
@@ -197,6 +243,14 @@ void main() {
 
         final AttachCommand command = AttachCommand(
           hotRunnerFactory: hotRunnerFactory,
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
         );
         await createTestCommandRunner(command).run(<String>[
           'attach',
@@ -232,7 +286,16 @@ void main() {
       testUsingContext('exits when ipv6 is specified and debug-port is not', () async {
         testDeviceManager.devices = <Device>[device];
 
-        final AttachCommand command = AttachCommand();
+        final AttachCommand command = AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        );
         await expectLater(
           createTestCommandRunner(command).run(<String>['attach', '--ipv6']),
           throwsToolExit(
@@ -254,7 +317,16 @@ void main() {
         };
         testDeviceManager.devices = <Device>[device];
 
-        final AttachCommand command = AttachCommand();
+        final AttachCommand command = AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        );
         await expectLater(
           createTestCommandRunner(command).run(<String>['attach', '--observatory-port', '100']),
           throwsToolExit(
@@ -294,7 +366,16 @@ void main() {
             completer.complete();
           }
         });
-        final Future<void> task = createTestCommandRunner(AttachCommand())
+        final Future<void> task = createTestCommandRunner(AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        ))
           .run(<String>['attach', '--debug-port', '$devicePort']);
         await completer.future;
         expect(portForwarder.devicePort, devicePort);
@@ -320,7 +401,16 @@ void main() {
             completer.complete();
           }
         });
-        final Future<void> task = createTestCommandRunner(AttachCommand())
+        final Future<void> task = createTestCommandRunner(AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        ))
           .run(<String>['attach', '--debug-port', '$devicePort', '--ipv6']);
         await completer.future;
 
@@ -347,7 +437,16 @@ void main() {
             completer.complete();
           }
         });
-        final Future<void> task = createTestCommandRunner(AttachCommand()).run(
+        final Future<void> task = createTestCommandRunner(AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        )).run(
           <String>[
             'attach',
             '--debug-port',
@@ -383,7 +482,16 @@ void main() {
             completer.complete();
           }
         });
-        final Future<void> task = createTestCommandRunner(AttachCommand()).run(
+        final Future<void> task = createTestCommandRunner(AttachCommand(
+          artifacts: artifacts,
+          stdio: stdio,
+          logger: logger,
+          terminal: terminal,
+          signals: signals,
+          platform: platform,
+          processInfo: processInfo,
+          fileSystem: testFileSystem,
+        )).run(
           <String>[
             'attach',
             '--debug-port',
@@ -411,7 +519,16 @@ void main() {
     });
 
     testUsingContext('exits when no device connected', () async {
-      final AttachCommand command = AttachCommand();
+      final AttachCommand command = AttachCommand(
+        artifacts: artifacts,
+        stdio: stdio,
+        logger: logger,
+        terminal: terminal,
+        signals: signals,
+        platform: platform,
+        processInfo: processInfo,
+        fileSystem: testFileSystem,
+      );
       await expectLater(
         createTestCommandRunner(command).run(<String>['attach']),
         throwsToolExit(),
@@ -426,7 +543,16 @@ void main() {
     testUsingContext('fails when targeted device is not Android with --device-user', () async {
       final FakeIOSDevice device = FakeIOSDevice();
       testDeviceManager.devices = <Device>[device];
-      expect(createTestCommandRunner(AttachCommand()).run(<String>[
+      expect(createTestCommandRunner(AttachCommand(
+        artifacts: artifacts,
+        stdio: stdio,
+        logger: logger,
+        terminal: terminal,
+        signals: signals,
+        platform: platform,
+        processInfo: processInfo,
+        fileSystem: testFileSystem,
+      )).run(<String>[
         'attach',
         '--device-user',
         '10',
@@ -438,7 +564,16 @@ void main() {
     });
 
     testUsingContext('exits when multiple devices connected', () async {
-      final AttachCommand command = AttachCommand();
+      final AttachCommand command = AttachCommand(
+        artifacts: artifacts,
+        stdio: stdio,
+        logger: logger,
+        terminal: terminal,
+        signals: signals,
+        platform: platform,
+        processInfo: processInfo,
+        fileSystem: testFileSystem,
+      );
       testDeviceManager.devices = <Device>[
         FakeAndroidDevice(id: 'xx1'),
         FakeAndroidDevice(id: 'yy2'),
@@ -478,7 +613,17 @@ void main() {
       testDeviceManager.devices = <Device>[device];
       testFileSystem.file('lib/main.dart').createSync();
 
-      final AttachCommand command = AttachCommand(hotRunnerFactory: hotRunnerFactory);
+      final AttachCommand command = AttachCommand(
+        hotRunnerFactory: hotRunnerFactory,
+        artifacts: artifacts,
+        stdio: stdio,
+        logger: logger,
+        terminal: terminal,
+        signals: signals,
+        platform: platform,
+        processInfo: processInfo,
+        fileSystem: testFileSystem,
+      );
       await expectLater(createTestCommandRunner(command).run(<String>[
         'attach',
       ]), throwsToolExit(message: 'Lost connection to device.'));
@@ -509,7 +654,17 @@ void main() {
       testDeviceManager.devices = <Device>[device];
       testFileSystem.file('lib/main.dart').createSync();
 
-      final AttachCommand command = AttachCommand(hotRunnerFactory: hotRunnerFactory);
+      final AttachCommand command = AttachCommand(
+        hotRunnerFactory: hotRunnerFactory,
+        artifacts: artifacts,
+        stdio: stdio,
+        logger: logger,
+        terminal: terminal,
+        signals: signals,
+        platform: platform,
+        processInfo: processInfo,
+        fileSystem: testFileSystem,
+      );
       await expectLater(createTestCommandRunner(command).run(<String>[
         'attach',
       ]), throwsA(isA<vm_service.RPCError>()));
@@ -709,7 +864,7 @@ class StreamLogger extends Logger {
   bool get hasTerminal => false;
 
   @override
-  void clear() => _log('[stdout] ${globals.terminal.clearScreen()}\n');
+  void clear() => _log('[stdout] ${terminal.clearScreen()}\n');
 
   @override
   Terminal get terminal => Terminal.test();
@@ -936,4 +1091,7 @@ class FakeTerminal extends Fake implements AnsiTerminal {
 
   @override
   final bool stdinHasTerminal;
+
+  @override
+  bool usesTerminalUi = false;
 }
diff --git a/packages/flutter_tools/test/general.shard/commands/build_test.dart b/packages/flutter_tools/test/general.shard/commands/build_test.dart
index 5f7d9f1bbf8..7097ecf615d 100644
--- a/packages/flutter_tools/test/general.shard/commands/build_test.dart
+++ b/packages/flutter_tools/test/general.shard/commands/build_test.dart
@@ -4,7 +4,16 @@
 
 import 'package:args/args.dart';
 import 'package:args/command_runner.dart';
+import 'package:file/memory.dart';
+import 'package:flutter_tools/src/artifacts.dart';
+import 'package:flutter_tools/src/base/file_system.dart';
+import 'package:flutter_tools/src/base/io.dart';
+import 'package:flutter_tools/src/base/logger.dart';
+import 'package:flutter_tools/src/base/platform.dart';
+import 'package:flutter_tools/src/base/signals.dart';
+import 'package:flutter_tools/src/base/terminal.dart';
 import 'package:flutter_tools/src/build_info.dart';
+import 'package:flutter_tools/src/build_system/build_system.dart';
 import 'package:flutter_tools/src/commands/attach.dart';
 import 'package:flutter_tools/src/commands/build.dart';
 import 'package:flutter_tools/src/commands/build_aar.dart';
@@ -16,17 +25,33 @@ import 'package:flutter_tools/src/commands/build_linux.dart';
 import 'package:flutter_tools/src/commands/build_macos.dart';
 import 'package:flutter_tools/src/commands/build_web.dart';
 import 'package:flutter_tools/src/commands/build_windows.dart';
-import 'package:flutter_tools/src/globals.dart' as globals;
 import 'package:flutter_tools/src/runner/flutter_command.dart';
+import 'package:test/fake.dart';
 
 import '../../src/common.dart';
 import '../../src/context.dart';
+import '../../src/fakes.dart';
+
+class FakeTerminal extends Fake implements AnsiTerminal {
+  FakeTerminal({this.stdinHasTerminal = true});
+
+  @override
+  final bool stdinHasTerminal;
+}
+
+class FakeProcessInfo extends Fake implements ProcessInfo {
+  @override
+  int maxRss = 0;
+}
 
 void main() {
   testUsingContext('All build commands support null safety options', () {
+    final FileSystem fileSystem = MemoryFileSystem.test();
+    final Platform platform = FakePlatform();
+    final BufferLogger logger = BufferLogger.test();
     final List<FlutterCommand> commands = <FlutterCommand>[
       BuildWindowsCommand(),
-      BuildLinuxCommand(operatingSystemUtils: globals.os),
+      BuildLinuxCommand(operatingSystemUtils: FakeOperatingSystemUtils()),
       BuildMacosCommand(verboseHelp: false),
       BuildWebCommand(verboseHelp: false),
       BuildApkCommand(),
@@ -36,9 +61,22 @@ void main() {
       BuildAarCommand(verboseHelp: false),
       BuildIOSFrameworkCommand(
         verboseHelp: false,
-        buildSystem: globals.buildSystem,
+        buildSystem: FlutterBuildSystem(
+          fileSystem: fileSystem,
+          platform: platform,
+          logger: logger,
+        ),
+      ),
+      AttachCommand(
+        artifacts: Artifacts.test(),
+        stdio: FakeStdio(),
+        logger: logger,
+        terminal: FakeTerminal(),
+        signals: Signals.test(),
+        platform: platform,
+        processInfo: FakeProcessInfo(),
+        fileSystem: MemoryFileSystem.test(),
       ),
-      AttachCommand(),
     ];
 
     for (final FlutterCommand command in commands) {