// Copyright 2013 The Flutter Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:args/command_runner.dart';
import 'package:file/file.dart';
import 'package:flutter_plugin_tools/src/build_examples_command.dart';
import 'package:flutter_plugin_tools/src/common/core.dart';
import 'package:flutter_plugin_tools/src/common/plugin_utils.dart';
import 'package:git/git.dart';
import 'package:test/test.dart';

import 'mocks.dart';
import 'util.dart';

void main() {
  group('build-example', () {
    late MockPlatform mockPlatform;
    late Directory packagesDir;
    late CommandRunner<void> runner;
    late RecordingProcessRunner processRunner;
    late RecordingProcessRunner gitProcessRunner;

    setUp(() {
      mockPlatform = MockPlatform();
      final GitDir gitDir;
      (:packagesDir, :processRunner, :gitProcessRunner, :gitDir) =
          configureBaseCommandMocks(platform: mockPlatform);
      final command = BuildExamplesCommand(
        packagesDir,
        processRunner: processRunner,
        platform: mockPlatform,
        gitDir: gitDir,
      );

      runner = CommandRunner<void>(
        'build_examples_command',
        'Test for build_example_command',
      );
      runner.addCommand(command);
    });

    test('fails if no plaform flags are passed', () async {
      Error? commandError;
      final List<String> output = await runCapturingPrint(
        runner,
        <String>['build-examples'],
        errorHandler: (Error e) {
          commandError = e;
        },
      );

      expect(commandError, isA<ToolExit>());
      expect(
        output,
        containsAllInOrder(<Matcher>[
          contains('At least one platform must be provided'),
        ]),
      );
    });

    test('fails if building fails', () async {
      createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformIOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      processRunner.mockProcessesForExecutable[getFlutterCommand(
        mockPlatform,
      )] = <FakeProcessInfo>[
        FakeProcessInfo(MockProcess(exitCode: 1), <String>['build']),
      ];

      Error? commandError;
      final List<String> output = await runCapturingPrint(
        runner,
        <String>['build-examples', '--ios'],
        errorHandler: (Error e) {
          commandError = e;
        },
      );

      expect(commandError, isA<ToolExit>());
      expect(
        output,
        containsAllInOrder(<Matcher>[
          contains('The following packages had errors:'),
          contains(
            '  plugin:\n'
            '    plugin/example (iOS)',
          ),
        ]),
      );
    });

    test('fails if a plugin has no examples', () async {
      createFakePlugin(
        'plugin',
        packagesDir,
        examples: <String>[],
        platformSupport: <String, PlatformDetails>{
          platformIOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      processRunner.mockProcessesForExecutable[getFlutterCommand(
        mockPlatform,
      )] = <FakeProcessInfo>[
        FakeProcessInfo(MockProcess(exitCode: 1), <String>['pub', 'get']),
      ];

      Error? commandError;
      final List<String> output = await runCapturingPrint(
        runner,
        <String>['build-examples', '--ios'],
        errorHandler: (Error e) {
          commandError = e;
        },
      );

      expect(commandError, isA<ToolExit>());
      expect(
        output,
        containsAllInOrder(<Matcher>[
          contains('The following packages had errors:'),
          contains(
            '  plugin:\n'
            '    No examples found',
          ),
        ]),
      );
    });

    test(
      'building for iOS when plugin is not set up for iOS results in no-op',
      () async {
        mockPlatform.isMacOS = true;
        createFakePlugin('plugin', packagesDir);

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--ios',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for plugin'),
            contains('iOS is not supported by this plugin'),
          ]),
        );

        // Output should be empty since running build-examples --macos with no macos
        // implementation is a no-op.
        expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
      },
    );

    test('building for iOS', () async {
      mockPlatform.isMacOS = true;
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformIOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--ios',
        '--enable-experiment=exp1',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for iOS']),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'ios',
            '--no-codesign',
            '--enable-experiment=exp1',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test('building for iOS with CocoaPods', () async {
      mockPlatform.isMacOS = true;

      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformIOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final RepositoryPackage example = plugin.getExamples().first;
      final String originalPubspecContents = example.pubspecFile
          .readAsStringSync();
      String? buildTimePubspecContents;
      processRunner.mockProcessesForExecutable[getFlutterCommand(
        mockPlatform,
      )] = <FakeProcessInfo>[
        FakeProcessInfo(MockProcess(), <String>['build'], () {
          buildTimePubspecContents = example.pubspecFile.readAsStringSync();
        }),
      ];

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--ios',
        '--enable-experiment=exp1',
        '--no-swift-package-manager',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for iOS']),
      );

      // Ensure that SwiftPM was disabled for the package.
      expect(
        originalPubspecContents,
        isNot(contains('enable-swift-package-manager: false')),
      );
      expect(
        buildTimePubspecContents,
        contains('enable-swift-package-manager: false'),
      );
      // And that it was undone after.
      expect(
        example.pubspecFile.readAsStringSync().trim(),
        originalPubspecContents.trim(),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'ios',
            '--no-codesign',
            '--enable-experiment=exp1',
          ], example.path),
        ]),
      );
    });

    test('building for iOS with Swift Package Manager', () async {
      mockPlatform.isMacOS = true;

      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformIOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final RepositoryPackage example = plugin.getExamples().first;
      final String originalPubspecContents = example.pubspecFile
          .readAsStringSync();
      String? buildTimePubspecContents;
      processRunner.mockProcessesForExecutable[getFlutterCommand(
        mockPlatform,
      )] = <FakeProcessInfo>[
        FakeProcessInfo(MockProcess(), <String>['build'], () {
          buildTimePubspecContents = example.pubspecFile.readAsStringSync();
        }),
      ];

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--ios',
        '--enable-experiment=exp1',
        '--swift-package-manager',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for iOS']),
      );

      // Ensure that SwiftPM was enabled for the package.
      expect(
        originalPubspecContents,
        isNot(contains('enable-swift-package-manager: true')),
      );
      expect(
        buildTimePubspecContents,
        contains('enable-swift-package-manager: true'),
      );
      // And that it was undone after.
      expect(
        example.pubspecFile.readAsStringSync().trim(),
        originalPubspecContents.trim(),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'ios',
            '--no-codesign',
            '--enable-experiment=exp1',
          ], example.path),
        ]),
      );
    });

    test(
      'building for Linux when plugin is not set up for Linux results in no-op',
      () async {
        mockPlatform.isLinux = true;
        createFakePlugin('plugin', packagesDir);

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--linux',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for plugin'),
            contains('Linux is not supported by this plugin'),
          ]),
        );

        // Output should be empty since running build-examples --linux with no
        // Linux implementation is a no-op.
        expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
      },
    );

    test('building for Linux', () async {
      mockPlatform.isLinux = true;
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformLinux: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--linux',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for Linux']),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'linux',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test('building for macOS with no implementation results in no-op', () async {
      mockPlatform.isMacOS = true;
      createFakePlugin('plugin', packagesDir);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--macos',
      ]);

      expect(
        output,
        containsAllInOrder(<Matcher>[
          contains('Running for plugin'),
          contains('macOS is not supported by this plugin'),
        ]),
      );

      // Output should be empty since running build-examples --macos with no macos
      // implementation is a no-op.
      expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
    });

    test('building for macOS', () async {
      mockPlatform.isMacOS = true;
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformMacOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--macos',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for macOS']),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'macos',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test('building for macOS with CocoaPods', () async {
      mockPlatform.isMacOS = true;

      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformMacOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final RepositoryPackage example = plugin.getExamples().first;
      final String originalPubspecContents = example.pubspecFile
          .readAsStringSync();
      String? buildTimePubspecContents;
      processRunner.mockProcessesForExecutable[getFlutterCommand(
        mockPlatform,
      )] = <FakeProcessInfo>[
        FakeProcessInfo(MockProcess(), <String>['build'], () {
          buildTimePubspecContents = example.pubspecFile.readAsStringSync();
        }),
      ];

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--macos',
        '--no-swift-package-manager',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for macOS']),
      );

      // Ensure that SwiftPM was enabled for the package.
      expect(
        originalPubspecContents,
        isNot(contains('enable-swift-package-manager: false')),
      );
      expect(
        buildTimePubspecContents,
        contains('enable-swift-package-manager: false'),
      );
      // And that it was undone after.
      expect(
        example.pubspecFile.readAsStringSync().trim(),
        originalPubspecContents.trim(),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'macos',
          ], example.path),
        ]),
      );
    });

    test('building for macOS with Swift Package Manager', () async {
      mockPlatform.isMacOS = true;

      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformMacOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final RepositoryPackage example = plugin.getExamples().first;
      final String originalPubspecContents = example.pubspecFile
          .readAsStringSync();
      String? buildTimePubspecContents;
      processRunner.mockProcessesForExecutable[getFlutterCommand(
        mockPlatform,
      )] = <FakeProcessInfo>[
        FakeProcessInfo(MockProcess(), <String>['build'], () {
          buildTimePubspecContents = example.pubspecFile.readAsStringSync();
        }),
      ];

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--macos',
        '--swift-package-manager',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for macOS']),
      );

      // Ensure that SwiftPM was enabled for the package.
      expect(
        originalPubspecContents,
        isNot(contains('enable-swift-package-manager: true')),
      );
      expect(
        buildTimePubspecContents,
        contains('enable-swift-package-manager: true'),
      );
      // And that it was undone after.
      expect(
        example.pubspecFile.readAsStringSync().trim(),
        originalPubspecContents.trim(),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'macos',
          ], example.path),
        ]),
      );
    });

    test('building for web with no implementation results in no-op', () async {
      createFakePlugin('plugin', packagesDir);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--web',
      ]);

      expect(
        output,
        containsAllInOrder(<Matcher>[
          contains('Running for plugin'),
          contains('web is not supported by this plugin'),
        ]),
      );

      // Output should be empty since running build-examples --macos with no macos
      // implementation is a no-op.
      expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
    });

    test('building for web', () async {
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformWeb: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--web',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for web']),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'web',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test(
      'building for Windows when plugin is not set up for Windows results in no-op',
      () async {
        mockPlatform.isWindows = true;
        createFakePlugin('plugin', packagesDir);

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--windows',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for plugin'),
            contains('Windows is not supported by this plugin'),
          ]),
        );

        // Output should be empty since running build-examples --windows with no
        // Windows implementation is a no-op.
        expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
      },
    );

    test('building for Windows', () async {
      mockPlatform.isWindows = true;
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformWindows: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--windows',
      ]);

      expect(
        output,
        containsAllInOrder(<String>['\nBUILDING plugin/example for Windows']),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'windows',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test(
      'building for Android when plugin is not set up for Android results in no-op',
      () async {
        createFakePlugin('plugin', packagesDir);

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--apk',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for plugin'),
            contains('Android is not supported by this plugin'),
          ]),
        );

        // Output should be empty since running build-examples --macos with no macos
        // implementation is a no-op.
        expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
      },
    );

    test('building for Android', () async {
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformAndroid: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--apk',
      ]);

      expect(
        output,
        containsAllInOrder(<String>[
          '\nBUILDING plugin/example for Android (apk)',
        ]),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'apk',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test('building for Android with alias', () async {
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformAndroid: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--android',
      ]);

      expect(
        output,
        containsAllInOrder(<String>[
          '\nBUILDING plugin/example for Android (apk)',
        ]),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'apk',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test('enable-experiment flag for Android', () async {
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformAndroid: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      await runCapturingPrint(runner, <String>[
        'build-examples',
        '--apk',
        '--enable-experiment=exp1',
      ]);

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'apk',
            '--enable-experiment=exp1',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test('enable-experiment flag for ios', () async {
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformIOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      await runCapturingPrint(runner, <String>[
        'build-examples',
        '--ios',
        '--enable-experiment=exp1',
      ]);
      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'ios',
            '--no-codesign',
            '--enable-experiment=exp1',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    test('logs skipped platforms', () async {
      createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformAndroid: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final List<String> output = await runCapturingPrint(runner, <String>[
        'build-examples',
        '--apk',
        '--ios',
        '--macos',
      ]);

      expect(
        output,
        containsAllInOrder(<Matcher>[
          contains('Skipping unsupported platform(s): iOS, macOS'),
        ]),
      );
    });

    group('packages', () {
      test('builds when requested platform is supported by example', () async {
        final RepositoryPackage package = createFakePackage(
          'package',
          packagesDir,
          isFlutter: true,
          extraFiles: <String>['example/ios/Runner.xcodeproj/project.pbxproj'],
        );

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--ios',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for package'),
            contains('BUILDING package/example for iOS'),
          ]),
        );

        expect(
          processRunner.recordedCalls,
          orderedEquals(<ProcessCall>[
            ProcessCall(getFlutterCommand(mockPlatform), const <String>[
              'build',
              'ios',
              '--no-codesign',
            ], getExampleDir(package).path),
          ]),
        );
      });

      test('skips non-Flutter examples', () async {
        createFakePackage('package', packagesDir);

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--ios',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for package'),
            contains('No examples found supporting requested platform(s).'),
          ]),
        );

        expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
      });

      test('skips when there is no example', () async {
        createFakePackage(
          'package',
          packagesDir,
          isFlutter: true,
          examples: <String>[],
        );

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--ios',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for package'),
            contains('No examples found supporting requested platform(s).'),
          ]),
        );

        expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
      });

      test('skip when example does not support requested platform', () async {
        createFakePackage(
          'package',
          packagesDir,
          isFlutter: true,
          extraFiles: <String>['example/linux/CMakeLists.txt'],
        );

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--ios',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for package'),
            contains('Skipping iOS for package/example; not supported.'),
            contains('No examples found supporting requested platform(s).'),
          ]),
        );

        expect(processRunner.recordedCalls, orderedEquals(<ProcessCall>[]));
      });

      test('logs skipped platforms when only some are supported', () async {
        final RepositoryPackage package = createFakePackage(
          'package',
          packagesDir,
          isFlutter: true,
          extraFiles: <String>['example/linux/CMakeLists.txt'],
        );

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
          '--apk',
          '--linux',
        ]);

        expect(
          output,
          containsAllInOrder(<Matcher>[
            contains('Running for package'),
            contains('Building for: Android, Linux'),
            contains('Skipping Android for package/example; not supported.'),
          ]),
        );

        expect(
          processRunner.recordedCalls,
          orderedEquals(<ProcessCall>[
            ProcessCall(getFlutterCommand(mockPlatform), const <String>[
              'build',
              'linux',
            ], getExampleDir(package).path),
          ]),
        );
      });
    });

    test('The .pluginToolsConfig.yaml file', () async {
      mockPlatform.isLinux = true;
      final RepositoryPackage plugin = createFakePlugin(
        'plugin',
        packagesDir,
        platformSupport: <String, PlatformDetails>{
          platformLinux: const PlatformDetails(PlatformSupport.inline),
          platformMacOS: const PlatformDetails(PlatformSupport.inline),
        },
      );

      final Directory pluginExampleDirectory = getExampleDir(plugin);

      final File pluginExampleConfigFile = pluginExampleDirectory.childFile(
        '.pluginToolsConfig.yaml',
      );
      pluginExampleConfigFile.writeAsStringSync(
        'buildFlags:\n  global:\n     - "test argument"',
      );

      final output = <String>[
        ...await runCapturingPrint(runner, <String>[
          'build-examples',
          '--linux',
        ]),
        ...await runCapturingPrint(runner, <String>[
          'build-examples',
          '--macos',
        ]),
      ];

      expect(
        output,
        containsAllInOrder(<String>[
          '\nBUILDING plugin/example for Linux',
          '\nBUILDING plugin/example for macOS',
        ]),
      );

      expect(
        processRunner.recordedCalls,
        orderedEquals(<ProcessCall>[
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'linux',
            'test argument',
          ], pluginExampleDirectory.path),
          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
            'build',
            'macos',
            'test argument',
          ], pluginExampleDirectory.path),
        ]),
      );
    });

    group('file filtering', () {
      const files = <String>[
        'pubspec.yaml',
        'foo.dart',
        'foo.java',
        'foo.kt',
        'foo.m',
        'foo.swift',
        'foo.cc',
        'foo.cpp',
        'foo.h',
      ];
      for (final file in files) {
        test('runs command for changes to $file', () async {
          createFakePackage('package_a', packagesDir);

          gitProcessRunner.mockProcessesForExecutable['git-diff'] =
              <FakeProcessInfo>[
                FakeProcessInfo(
                  MockProcess(
                    stdout:
                        '''
packages/package_a/$file
''',
                  ),
                ),
              ];

          // The target platform is irrelevant here; because this repo's
          // packages are fully federated, there's no need to distinguish
          // the ignore list by target (e.g., skipping iOS tests if only Java or
          // Kotlin files change), because package-level filering will already
          // accomplish the same goal.
          final List<String> output = await runCapturingPrint(runner, <String>[
            'build-examples',
            '--web',
          ]);

          expect(
            output,
            containsAllInOrder(<Matcher>[contains('Running for package_a')]),
          );
        });
      }

      test('skips commands if all files should be ignored', () async {
        createFakePackage('package_a', packagesDir);

        gitProcessRunner.mockProcessesForExecutable['git-diff'] =
            <FakeProcessInfo>[
              FakeProcessInfo(
                MockProcess(
                  stdout: '''
README.md
CODEOWNERS
packages/package_a/CHANGELOG.md
''',
                ),
              ),
            ];

        final List<String> output = await runCapturingPrint(runner, <String>[
          'build-examples',
        ]);

        expect(
          output,
          isNot(
            containsAllInOrder(<Matcher>[contains('Running for package_a')]),
          ),
        );
        expect(
          output,
          containsAllInOrder(<Matcher>[contains('SKIPPING ALL PACKAGES')]),
        );
      });
    });
  });
}