packages/camera/camera_platform_interface/test/utils/utils_test.dart

// Copyright 2013 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:camera_platform_interface/camera_platform_interface.dart';
import 'package:camera_platform_interface/src/utils/utils.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('Utility methods', () {
    test(
        'Should return CameraLensDirection when valid value is supplied when parsing camera lens direction',
        () {
      expect(
        parseCameraLensDirection('back'),
        CameraLensDirection.back,
      );
      expect(
        parseCameraLensDirection('front'),
        CameraLensDirection.front,
      );
      expect(
        parseCameraLensDirection('external'),
        CameraLensDirection.external,
      );
    });

    test(
        'Should throw ArgumentException when invalid value is supplied when parsing camera lens direction',
        () {
      expect(
        () => parseCameraLensDirection('test'),
        throwsA(isArgumentError),
      );
    });

    test("serializeDeviceOrientation() should serialize correctly", () {
      expect(serializeDeviceOrientation(DeviceOrientation.portraitUp),
          "portraitUp");
      expect(serializeDeviceOrientation(DeviceOrientation.portraitDown),
          "portraitDown");
      expect(serializeDeviceOrientation(DeviceOrientation.landscapeRight),
          "landscapeRight");
      expect(serializeDeviceOrientation(DeviceOrientation.landscapeLeft),
          "landscapeLeft");
    });

    test("deserializeDeviceOrientation() should deserialize correctly", () {
      expect(deserializeDeviceOrientation('portraitUp'),
          DeviceOrientation.portraitUp);
      expect(deserializeDeviceOrientation('portraitDown'),
          DeviceOrientation.portraitDown);
      expect(deserializeDeviceOrientation('landscapeRight'),
          DeviceOrientation.landscapeRight);
      expect(deserializeDeviceOrientation('landscapeLeft'),
          DeviceOrientation.landscapeLeft);
    });
  });
}