[Linux] Add a 'flutter run' console output test (#118279)

* Add Linux support for the UI integration test project

* Add Linux run console test

.ci.yaml

@@ -687,6 +687,46 @@ targets:
       - bin/**
       - .ci.yaml
 
+  - name: Linux run_debug_test_linux
+    recipe: devicelab/devicelab_drone
+    bringup: true
+    timeout: 60
+    properties:
+      dependencies: >-
+        [
+          {"dependency": "clang", "version": "git_revision:5d5aba78dbbee75508f01bcaa69aedb2ab79065a"},
+          {"dependency": "cmake", "version": "version:3.16.1"},
+          {"dependency": "ninja", "version": "version:1.9.0"}
+        ]
+      tags: >
+        ["devicelab", "hostonly", "linux"]
+      task_name: run_debug_test_linux
+    runIf:
+      - dev/**
+      - packages/flutter_tools/**
+      - bin/**
+      - .ci.yaml
+
+  - name: Linux run_release_test_linux
+    recipe: devicelab/devicelab_drone
+    bringup: true
+    timeout: 60
+    properties:
+      dependencies: >-
+        [
+          {"dependency": "clang", "version": "git_revision:5d5aba78dbbee75508f01bcaa69aedb2ab79065a"},
+          {"dependency": "cmake", "version": "version:3.16.1"},
+          {"dependency": "ninja", "version": "version:1.9.0"}
+        ]
+      tags: >
+        ["devicelab", "hostonly", "linux"]
+      task_name: run_release_test_linux
+    runIf:
+      - dev/**
+      - packages/flutter_tools/**
+      - bin/**
+      - .ci.yaml
+
   - name: Linux skp_generator
     enabled_branches:
       - main

TESTOWNERS

@@ -251,8 +251,10 @@
 /dev/devicelab/bin/tasks/plugin_test_macos.dart @jmagman @flutter/desktop
 /dev/devicelab/bin/tasks/plugin_test.dart @stuartmorgan @flutter/plugin
 /dev/devicelab/bin/tasks/run_debug_test_android.dart @zanderso @flutter/tool
+/dev/devicelab/bin/tasks/run_debug_test_linux.dart @loic-sharma @flutter/tool
 /dev/devicelab/bin/tasks/run_debug_test_macos.dart @cbracken @flutter/tool
 /dev/devicelab/bin/tasks/run_debug_test_windows.dart @loic-sharma @flutter/tool
+/dev/devicelab/bin/tasks/run_release_test_linux.dart @loic-sharma @flutter/tool
 /dev/devicelab/bin/tasks/run_release_test_macos.dart @cbracken @flutter/tool
 /dev/devicelab/bin/tasks/run_release_test_windows.dart @loic-sharma @flutter/tool
 /dev/devicelab/bin/tasks/technical_debt__cost.dart @HansMuller @flutter/framework

dev/devicelab/bin/tasks/run_debug_test_linux.dart

@@ -0,0 +1,12 @@
+// 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.
+
+import 'package:flutter_devicelab/framework/devices.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/run_tests.dart';
+
+Future<void> main() async {
+  deviceOperatingSystem = DeviceOperatingSystem.linux;
+  await task(createLinuxRunDebugTest());
+}

dev/devicelab/bin/tasks/run_release_test_linux.dart

@@ -0,0 +1,12 @@
+// 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.
+
+import 'package:flutter_devicelab/framework/devices.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/run_tests.dart';
+
+Future<void> main() async {
+  deviceOperatingSystem = DeviceOperatingSystem.linux;
+  await task(createLinuxRunReleaseTest());
+}

dev/devicelab/lib/framework/devices.dart

@@ -58,6 +58,7 @@ enum DeviceOperatingSystem {
   fake,
   fuchsia,
   ios,
+  linux,
   macos,
   windows,
 }
@@ -79,6 +80,8 @@ abstract class DeviceDiscovery {
         return IosDeviceDiscovery();
       case DeviceOperatingSystem.fuchsia:
         return FuchsiaDeviceDiscovery();
+      case DeviceOperatingSystem.linux:
+        return LinuxDeviceDiscovery();
       case DeviceOperatingSystem.macos:
         return MacosDeviceDiscovery();
       case DeviceOperatingSystem.windows:
@@ -356,6 +359,40 @@ class AndroidDeviceDiscovery implements DeviceDiscovery {
   }
 }
 
+class LinuxDeviceDiscovery implements DeviceDiscovery {
+  factory LinuxDeviceDiscovery() {
+    return _instance ??= LinuxDeviceDiscovery._();
+  }
+
+  LinuxDeviceDiscovery._();
+
+  static LinuxDeviceDiscovery? _instance;
+
+  static const LinuxDevice _device = LinuxDevice();
+
+  @override
+  Future<Map<String, HealthCheckResult>> checkDevices() async {
+    return <String, HealthCheckResult>{};
+  }
+
+  @override
+  Future<void> chooseWorkingDevice() async { }
+
+  @override
+  Future<void> chooseWorkingDeviceById(String deviceId) async { }
+
+  @override
+  Future<List<String>> discoverDevices() async {
+    return <String>['linux'];
+  }
+
+  @override
+  Future<void> performPreflightTasks() async { }
+
+  @override
+  Future<Device> get workingDevice  async => _device;
+}
+
 class MacosDeviceDiscovery implements DeviceDiscovery {
   factory MacosDeviceDiscovery() {
     return _instance ??= MacosDeviceDiscovery._();
@@ -1046,6 +1083,58 @@ class IosDevice extends Device {
   }
 }
 
+class LinuxDevice extends Device {
+  const LinuxDevice();
+
+  @override
+  String get deviceId => 'linux';
+
+  @override
+  Future<Map<String, dynamic>> getMemoryStats(String packageName) async {
+    return <String, dynamic>{};
+  }
+
+  @override
+  Future<void> home() async { }
+
+  @override
+  Future<bool> isAsleep() async {
+    return false;
+  }
+
+  @override
+  Future<bool> isAwake() async {
+    return true;
+  }
+
+  @override
+  Stream<String> get logcat => const Stream<String>.empty();
+
+  @override
+  Future<void> clearLogs() async {}
+
+  @override
+  Future<void> reboot() async { }
+
+  @override
+  Future<void> sendToSleep() async { }
+
+  @override
+  Future<void> stop(String packageName) async { }
+
+  @override
+  Future<void> tap(int x, int y) async { }
+
+  @override
+  Future<void> togglePower() async { }
+
+  @override
+  Future<void> unlock() async { }
+
+  @override
+  Future<void> wakeUp() async { }
+}
+
 class MacosDevice extends Device {
   const MacosDevice();
 

dev/devicelab/lib/tasks/perf_tests.dart

@@ -716,6 +716,7 @@ class StartupTest {
           break;
         case DeviceOperatingSystem.fake:
         case DeviceOperatingSystem.fuchsia:
+        case DeviceOperatingSystem.linux:
           break;
         case DeviceOperatingSystem.ios:
         case DeviceOperatingSystem.macos:
@@ -860,6 +861,7 @@ class DevtoolsStartupTest {
           break;
         case DeviceOperatingSystem.fake:
         case DeviceOperatingSystem.fuchsia:
+        case DeviceOperatingSystem.linux:
         case DeviceOperatingSystem.macos:
         case DeviceOperatingSystem.windows:
           break;
@@ -1571,6 +1573,8 @@ class CompileTest {
         throw Exception('Unsupported option for fake devices');
       case DeviceOperatingSystem.fuchsia:
         throw Exception('Unsupported option for Fuchsia devices');
+      case DeviceOperatingSystem.linux:
+        throw Exception('Unsupported option for Linux devices');
       case DeviceOperatingSystem.windows:
         unawaited(stderr.flush());
         options.insert(0, 'windows');
@@ -1634,6 +1638,8 @@ class CompileTest {
         throw Exception('Unsupported option for fake devices');
       case DeviceOperatingSystem.fuchsia:
         throw Exception('Unsupported option for Fuchsia devices');
+      case DeviceOperatingSystem.linux:
+        throw Exception('Unsupported option for Linux devices');
       case DeviceOperatingSystem.macos:
         unawaited(stderr.flush());
         options.insert(0, 'macos');
@@ -1687,6 +1693,7 @@ class CompileTest {
       case DeviceOperatingSystem.androidArm64:
       case DeviceOperatingSystem.fake:
       case DeviceOperatingSystem.fuchsia:
+      case DeviceOperatingSystem.linux:
       case DeviceOperatingSystem.windows:
         throw Exception('Called ${CompileTest.getSizesFromDarwinApp} with $operatingSystem.');
     }

dev/devicelab/lib/tasks/run_tests.dart

@@ -19,6 +19,22 @@ TaskFunction createAndroidRunReleaseTest() {
   return AndroidRunOutputTest(release: true).call;
 }
 
+TaskFunction createLinuxRunDebugTest() {
+  return DesktopRunOutputTest(
+    '${flutterDirectory.path}/dev/integration_tests/ui',
+    'lib/empty.dart',
+    release: false,
+  ).call;
+}
+
+TaskFunction createLinuxRunReleaseTest() {
+  return DesktopRunOutputTest(
+    '${flutterDirectory.path}/dev/integration_tests/ui',
+    'lib/empty.dart',
+    release: true,
+  ).call;
+}
+
 TaskFunction createMacOSRunDebugTest() {
   return DesktopRunOutputTest(
     // TODO(cbracken): https://github.com/flutter/flutter/issues/87508#issuecomment-1043753201

dev/integration_tests/ui/linux/.gitignore

@@ -0,0 +1 @@
+flutter/ephemeral