packages/camera/camera/test/camera_value_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.

// TODO(a14n): remove this import once Flutter 3.1 or later reaches stable (including flutter/flutter#106316)
// ignore: unnecessary_import
import 'dart:ui';

import 'package:camera/camera.dart';
// TODO(a14n): remove this import once Flutter 3.1 or later reaches stable (including flutter/flutter#106316)
// ignore: unnecessary_import
import 'package:flutter/cupertino.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('camera_value', () {
    test('Can be created', () {
      const CameraValue cameraValue = CameraValue(
        isInitialized: false,
        previewSize: Size(10, 10),
        isRecordingPaused: false,
        isRecordingVideo: false,
        isTakingPicture: false,
        isStreamingImages: false,
        flashMode: FlashMode.auto,
        exposureMode: ExposureMode.auto,
        exposurePointSupported: true,
        focusMode: FocusMode.auto,
        deviceOrientation: DeviceOrientation.portraitUp,
        lockedCaptureOrientation: DeviceOrientation.portraitUp,
        recordingOrientation: DeviceOrientation.portraitUp,
        focusPointSupported: true,
        previewPauseOrientation: DeviceOrientation.portraitUp,
      );

      expect(cameraValue, isA<CameraValue>());
      expect(cameraValue.isInitialized, isFalse);
      expect(cameraValue.errorDescription, null);
      expect(cameraValue.previewSize, const Size(10, 10));
      expect(cameraValue.isRecordingPaused, isFalse);
      expect(cameraValue.isRecordingVideo, isFalse);
      expect(cameraValue.isTakingPicture, isFalse);
      expect(cameraValue.isStreamingImages, isFalse);
      expect(cameraValue.flashMode, FlashMode.auto);
      expect(cameraValue.exposureMode, ExposureMode.auto);
      expect(cameraValue.exposurePointSupported, true);
      expect(cameraValue.deviceOrientation, DeviceOrientation.portraitUp);
      expect(
          cameraValue.lockedCaptureOrientation, DeviceOrientation.portraitUp);
      expect(cameraValue.recordingOrientation, DeviceOrientation.portraitUp);
      expect(cameraValue.isPreviewPaused, false);
      expect(cameraValue.previewPauseOrientation, DeviceOrientation.portraitUp);
    });

    test('Can be created as uninitialized', () {
      const CameraValue cameraValue = CameraValue.uninitialized();

      expect(cameraValue, isA<CameraValue>());
      expect(cameraValue.isInitialized, isFalse);
      expect(cameraValue.errorDescription, null);
      expect(cameraValue.previewSize, null);
      expect(cameraValue.isRecordingPaused, isFalse);
      expect(cameraValue.isRecordingVideo, isFalse);
      expect(cameraValue.isTakingPicture, isFalse);
      expect(cameraValue.isStreamingImages, isFalse);
      expect(cameraValue.flashMode, FlashMode.auto);
      expect(cameraValue.exposureMode, ExposureMode.auto);
      expect(cameraValue.exposurePointSupported, false);
      expect(cameraValue.focusMode, FocusMode.auto);
      expect(cameraValue.deviceOrientation, DeviceOrientation.portraitUp);
      expect(cameraValue.lockedCaptureOrientation, null);
      expect(cameraValue.recordingOrientation, null);
      expect(cameraValue.isPreviewPaused, isFalse);
      expect(cameraValue.previewPauseOrientation, null);
    });

    test('Can be copied with isInitialized', () {
      const CameraValue cv = CameraValue.uninitialized();
      final CameraValue cameraValue = cv.copyWith(isInitialized: true);

      expect(cameraValue, isA<CameraValue>());
      expect(cameraValue.isInitialized, isTrue);
      expect(cameraValue.errorDescription, null);
      expect(cameraValue.previewSize, null);
      expect(cameraValue.isRecordingPaused, isFalse);
      expect(cameraValue.isRecordingVideo, isFalse);
      expect(cameraValue.isTakingPicture, isFalse);
      expect(cameraValue.isStreamingImages, isFalse);
      expect(cameraValue.flashMode, FlashMode.auto);
      expect(cameraValue.focusMode, FocusMode.auto);
      expect(cameraValue.exposureMode, ExposureMode.auto);
      expect(cameraValue.exposurePointSupported, false);
      expect(cameraValue.deviceOrientation, DeviceOrientation.portraitUp);
      expect(cameraValue.lockedCaptureOrientation, null);
      expect(cameraValue.recordingOrientation, null);
      expect(cameraValue.isPreviewPaused, isFalse);
      expect(cameraValue.previewPauseOrientation, null);
    });

    test('Has aspectRatio after setting size', () {
      const CameraValue cv = CameraValue.uninitialized();
      final CameraValue cameraValue =
          cv.copyWith(isInitialized: true, previewSize: const Size(20, 10));

      expect(cameraValue.aspectRatio, 2.0);
    });

    test('hasError is true after setting errorDescription', () {
      const CameraValue cv = CameraValue.uninitialized();
      final CameraValue cameraValue = cv.copyWith(errorDescription: 'error');

      expect(cameraValue.hasError, isTrue);
      expect(cameraValue.errorDescription, 'error');
    });

    test('Recording paused is false when not recording', () {
      const CameraValue cv = CameraValue.uninitialized();
      final CameraValue cameraValue = cv.copyWith(
          isInitialized: true,
          isRecordingVideo: false,
          isRecordingPaused: true);

      expect(cameraValue.isRecordingPaused, isFalse);
    });

    test('toString() works as expected', () {
      const CameraValue cameraValue = CameraValue(
          isInitialized: false,
          previewSize: Size(10, 10),
          isRecordingPaused: false,
          isRecordingVideo: false,
          isTakingPicture: false,
          isStreamingImages: false,
          flashMode: FlashMode.auto,
          exposureMode: ExposureMode.auto,
          focusMode: FocusMode.auto,
          exposurePointSupported: true,
          focusPointSupported: true,
          deviceOrientation: DeviceOrientation.portraitUp,
          lockedCaptureOrientation: DeviceOrientation.portraitUp,
          recordingOrientation: DeviceOrientation.portraitUp,
          isPreviewPaused: true,
          previewPauseOrientation: DeviceOrientation.portraitUp);

      expect(cameraValue.toString(),
          'CameraValue(isRecordingVideo: false, isInitialized: false, errorDescription: null, previewSize: Size(10.0, 10.0), isStreamingImages: false, flashMode: FlashMode.auto, exposureMode: ExposureMode.auto, focusMode: FocusMode.auto, exposurePointSupported: true, focusPointSupported: true, deviceOrientation: DeviceOrientation.portraitUp, lockedCaptureOrientation: DeviceOrientation.portraitUp, recordingOrientation: DeviceOrientation.portraitUp, isPreviewPaused: true, previewPausedOrientation: DeviceOrientation.portraitUp)');
    });
  });
}