twonly-app-dependencies/no_screenshot/test/no_screenshot_platform_interface_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:no_screenshot/no_screenshot_method_channel.dart';
import 'package:no_screenshot/no_screenshot_platform_interface.dart';
import 'package:no_screenshot/screenshot_snapshot.dart';

/// A minimal subclass that does NOT override toggleScreenshotWithImage,
/// so we can verify the base class throws UnimplementedError.
class BaseNoScreenshotPlatform extends NoScreenshotPlatform {}

class MockNoScreenshotPlatform extends NoScreenshotPlatform {
  @override
  Future<bool> screenshotOff() async {
    return true;
  }

  @override
  Future<bool> screenshotOn() async {
    return true;
  }

  @override
  Future<bool> toggleScreenshot() async {
    return true;
  }

  @override
  Stream<ScreenshotSnapshot> get screenshotStream {
    return const Stream.empty();
  }

  @override
  Future<void> startScreenshotListening() async {
    return;
  }

  @override
  Future<bool> toggleScreenshotWithImage() async {
    return true;
  }

  @override
  Future<bool> toggleScreenshotWithBlur({double blurRadius = 30.0}) async {
    return true;
  }

  @override
  Future<bool> toggleScreenshotWithColor({int color = 0xFF000000}) async {
    return true;
  }

  @override
  Future<void> stopScreenshotListening() async {
    return;
  }

  @override
  Future<bool> screenshotWithImage() async {
    return true;
  }

  @override
  Future<bool> screenshotWithBlur({double blurRadius = 30.0}) async {
    return true;
  }

  @override
  Future<bool> screenshotWithColor({int color = 0xFF000000}) async {
    return true;
  }

  @override
  Future<void> startScreenRecordingListening() async {
    return;
  }

  @override
  Future<void> stopScreenRecordingListening() async {
    return;
  }
}

void main() {
  final platform = MockNoScreenshotPlatform();

  group('NoScreenshotPlatform', () {
    test('default instance should be MethodChannelNoScreenshot', () {
      expect(
        NoScreenshotPlatform.instance,
        isInstanceOf<MethodChannelNoScreenshot>(),
      );
    });

    test('screenshotOff should return true when called', () async {
      expect(await platform.screenshotOff(), isTrue);
    });

    test('screenshotOn should return true when called', () async {
      expect(await platform.screenshotOn(), isTrue);
    });

    test('toggleScreenshot should return true when called', () async {
      expect(await platform.toggleScreenshot(), isTrue);
    });

    test(
      'screenshotStream should not throw UnimplementedError when accessed',
      () {
        expect(
          () => platform.screenshotStream,
          isNot(throwsUnimplementedError),
        );
      },
    );
    test(
      'startScreenshotListening should not throw UnimplementedError when called',
      () async {
        expect(platform.startScreenshotListening(), completes);
      },
    );

    test(
      'stopScreenshotListening should not throw UnimplementedError when called',
      () async {
        expect(platform.stopScreenshotListening(), completes);
      },
    );

    test('toggleScreenshotWithImage should return true when called', () async {
      expect(await platform.toggleScreenshotWithImage(), isTrue);
    });

    test(
      'base NoScreenshotPlatform.toggleScreenshotWithImage() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.toggleScreenshotWithImage(),
          throwsUnimplementedError,
        );
      },
    );

    test('toggleScreenshotWithBlur should return true when called', () async {
      expect(await platform.toggleScreenshotWithBlur(), isTrue);
    });

    test(
      'base NoScreenshotPlatform.toggleScreenshotWithBlur() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.toggleScreenshotWithBlur(),
          throwsUnimplementedError,
        );
      },
    );

    test('toggleScreenshotWithColor should return true when called', () async {
      expect(await platform.toggleScreenshotWithColor(), isTrue);
    });

    test(
      'base NoScreenshotPlatform.toggleScreenshotWithColor() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.toggleScreenshotWithColor(),
          throwsUnimplementedError,
        );
      },
    );

    test('screenshotWithImage should return true when called', () async {
      expect(await platform.screenshotWithImage(), isTrue);
    });

    test(
      'base NoScreenshotPlatform.screenshotWithImage() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.screenshotWithImage(),
          throwsUnimplementedError,
        );
      },
    );

    test('screenshotWithBlur should return true when called', () async {
      expect(await platform.screenshotWithBlur(), isTrue);
    });

    test(
      'base NoScreenshotPlatform.screenshotWithBlur() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.screenshotWithBlur(),
          throwsUnimplementedError,
        );
      },
    );

    test('screenshotWithColor should return true when called', () async {
      expect(await platform.screenshotWithColor(), isTrue);
    });

    test(
      'base NoScreenshotPlatform.screenshotWithColor() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.screenshotWithColor(),
          throwsUnimplementedError,
        );
      },
    );

    test(
      'base NoScreenshotPlatform.screenshotOff() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(() => basePlatform.screenshotOff(), throwsUnimplementedError);
      },
    );

    test(
      'base NoScreenshotPlatform.screenshotOn() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(() => basePlatform.screenshotOn(), throwsUnimplementedError);
      },
    );

    test(
      'base NoScreenshotPlatform.toggleScreenshot() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(() => basePlatform.toggleScreenshot(), throwsUnimplementedError);
      },
    );

    test(
      'base NoScreenshotPlatform.screenshotStream throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(() => basePlatform.screenshotStream, throwsUnimplementedError);
      },
    );

    test(
      'base NoScreenshotPlatform.startScreenshotListening() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.startScreenshotListening(),
          throwsUnimplementedError,
        );
      },
    );

    test(
      'base NoScreenshotPlatform.stopScreenshotListening() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.stopScreenshotListening(),
          throwsUnimplementedError,
        );
      },
    );

    test(
      'startScreenRecordingListening should not throw UnimplementedError when called',
      () async {
        expect(platform.startScreenRecordingListening(), completes);
      },
    );

    test(
      'stopScreenRecordingListening should not throw UnimplementedError when called',
      () async {
        expect(platform.stopScreenRecordingListening(), completes);
      },
    );

    test(
      'base NoScreenshotPlatform.startScreenRecordingListening() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.startScreenRecordingListening(),
          throwsUnimplementedError,
        );
      },
    );

    test(
      'base NoScreenshotPlatform.stopScreenRecordingListening() throws UnimplementedError',
      () {
        final basePlatform = BaseNoScreenshotPlatform();
        expect(
          () => basePlatform.stopScreenRecordingListening(),
          throwsUnimplementedError,
        );
      },
    );
  });
}