Add dart tests

packages/camera/camera_android_camerax/lib/src/android_camera_camerax_flutter_api_impls.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'camera.dart';
 import 'camera_info.dart';
 import 'camera_selector.dart';
 import 'camerax_library.pigeon.dart';
@@ -13,6 +14,7 @@ class AndroidCameraXCameraFlutterApis {
   /// Creates a [AndroidCameraXCameraFlutterApis].
   AndroidCameraXCameraFlutterApis({
     JavaObjectFlutterApiImpl? javaObjectFlutterApi,
+    CameraFlutterApiImpl? cameraFlutterApi,
     CameraInfoFlutterApiImpl? cameraInfoFlutterApi,
     CameraSelectorFlutterApiImpl? cameraSelectorFlutterApi,
     ProcessCameraProviderFlutterApiImpl? processCameraProviderFlutterApi,
@@ -25,6 +27,7 @@ class AndroidCameraXCameraFlutterApis {
         cameraSelectorFlutterApi ?? CameraSelectorFlutterApiImpl();
     this.processCameraProviderFlutterApi = processCameraProviderFlutterApi ??
         ProcessCameraProviderFlutterApiImpl();
+    this.cameraFlutterApi = cameraFlutterApi ?? CameraFlutterApiImpl();
   }
 
   static bool _haveBeenSetUp = false;
@@ -48,13 +51,17 @@ class AndroidCameraXCameraFlutterApis {
   late final ProcessCameraProviderFlutterApiImpl
       processCameraProviderFlutterApi;
 
+  /// Flutter Api for [Camera].
+  late final CameraFlutterApiImpl cameraFlutterApi;
+
   /// Ensures all the Flutter APIs have been setup to receive calls from native code.
   void ensureSetUp() {
     if (!_haveBeenSetUp) {
       JavaObjectFlutterApi.setup(javaObjectFlutterApi);
       CameraInfoFlutterApi.setup(cameraInfoFlutterApi);
       CameraSelectorFlutterApi.setup(cameraSelectorFlutterApi);
       ProcessCameraProviderFlutterApi.setup(processCameraProviderFlutterApi);
+      CameraFlutterApi.setup(cameraFlutterApi);
       _haveBeenSetUp = true;
     }
   }

packages/camera/camera_android_camerax/test/camera_info_test.mocks.dart

@@ -1,4 +1,4 @@
-// Mocks generated by Mockito 5.3.0 from annotations
+// Mocks generated by Mockito 5.3.2 from annotations
 // in camera_android_camerax/test/camera_info_test.dart.
 // Do not manually edit this file.
 
@@ -29,6 +29,10 @@ class MockTestCameraInfoHostApi extends _i1.Mock
 
   @override
   int getSensorRotationDegrees(int? identifier) => (super.noSuchMethod(
-      Invocation.method(#getSensorRotationDegrees, [identifier]),
-      returnValue: 0) as int);
+        Invocation.method(
+          #getSensorRotationDegrees,
+          [identifier],
+        ),
+        returnValue: 0,
+      ) as int);
 }

packages/camera/camera_android_camerax/test/camera_selector_test.mocks.dart

@@ -1,4 +1,4 @@
-// Mocks generated by Mockito 5.3.0 from annotations
+// Mocks generated by Mockito 5.3.2 from annotations
 // in camera_android_camerax/test/camera_selector_test.dart.
 // Do not manually edit this file.
 
@@ -28,11 +28,33 @@ class MockTestCameraSelectorHostApi extends _i1.Mock
   }
 
   @override
-  void create(int? identifier, int? lensFacing) =>
-      super.noSuchMethod(Invocation.method(#create, [identifier, lensFacing]),
-          returnValueForMissingStub: null);
+  void create(
+    int? identifier,
+    int? lensFacing,
+  ) =>
+      super.noSuchMethod(
+        Invocation.method(
+          #create,
+          [
+            identifier,
+            lensFacing,
+          ],
+        ),
+        returnValueForMissingStub: null,
+      );
   @override
-  List<int?> filter(int? identifier, List<int?>? cameraInfoIds) => (super
-      .noSuchMethod(Invocation.method(#filter, [identifier, cameraInfoIds]),
-          returnValue: <int?>[]) as List<int?>);
+  List<int?> filter(
+    int? identifier,
+    List<int?>? cameraInfoIds,
+  ) =>
+      (super.noSuchMethod(
+        Invocation.method(
+          #filter,
+          [
+            identifier,
+            cameraInfoIds,
+          ],
+        ),
+        returnValue: <int?>[],
+      ) as List<int?>);
 }

packages/camera/camera_android_camerax/test/camera_test.dart

@@ -0,0 +1,29 @@
+// 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_android_camerax/src/camera.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('Camera', () {
+    tearDown(() => TestProcessCameraProviderHostApi.setup(null));
+
+    test('flutterApiCreateTest', () {
+      final InstanceManager instanceManager = InstanceManager(
+        onWeakReferenceRemoved: (_) {},
+      );
+      final CameraFlutterApiImpl flutterApi =
+          CameraFlutterApiImpl(
+        instanceManager: instanceManager,
+      );
+
+      flutterApi.create(0);
+
+      expect(instanceManager.getInstanceWithWeakReference(0),
+          isA<Camera>());
+    });
+  });
+}

packages/camera/camera_android_camerax/test/process_camera_provider_test.dart

@@ -3,8 +3,10 @@
 // found in the LICENSE file.
 
 import 'package:camera_android_camerax/src/camera_info.dart';
+import 'package:camera_android_camerax/src/camera.dart';
 import 'package:camera_android_camerax/src/instance_manager.dart';
 import 'package:camera_android_camerax/src/process_camera_provider.dart';
+import 'package:camera_android_camerax/src/use_case.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mockito/annotations.dart';
 import 'package:mockito/mockito.dart';
@@ -78,6 +80,108 @@ void main() {
       verify(mockApi.getAvailableCameraInfos(0));
     });
 
+    test('bindToLifecycleTest', () async {
+      final MockTestProcessCameraProviderHostApi mockApi =
+          MockTestProcessCameraProviderHostApi();
+      TestProcessCameraProviderHostApi.setup(mockApi);
+
+      final InstanceManager instanceManager = InstanceManager(
+        onWeakReferenceRemoved: (_) {},
+      );
+      final ProcessCameraProvider processCameraProvider =
+          ProcessCameraProvider.detached(
+        instanceManager: instanceManager,
+      );
+      final CameraSelector fakeCameraSelector =
+        CameraSelector.detached(instanceManager: instanceManager);
+      final UseCase fakeUseCase = UseCase.detached(instanceManager: instanceManager);
+      final Camera camera = Camera.detached(instanceManager: instanceManager);
+
+      instanceManager.addHostCreatedInstance(
+        processCameraProvider,
+        0,
+        onCopy: (_) => ProcessCameraProvider.detached(),
+      );
+      instanceManager.addHostCreatedInstance(
+        fakeCameraSelector,
+        1,
+        onCopy: (_) => CameraSelector.detached(),
+      );
+      instanceManager.addHostCreatedInstance(
+        fakeUseCase,
+        2,
+        onCopy: (_) => UseCase.detached(),
+      );
+      instanceManager.addHostCreatedInstance(
+        camera,
+        3,
+        onCopy: (_) => Camera.detached(),
+      );
+
+      when(mockApi.bindToLifecycle(1, <int>[2])).thenReturn(3);
+      expect(await processCameraProvider.bindToLifecycle(fakeCameraSelector, <UseCase>[fakeUseCase]),
+          equals(fakeCamera));
+      verify(mockApi.bindToLifecycle(1, <int>[2]));
+    });
+
+    test('unbindTest', () async {
+      final MockTestProcessCameraProviderHostApi mockApi =
+          MockTestProcessCameraProviderHostApi();
+      TestProcessCameraProviderHostApi.setup(mockApi);
+
+      final InstanceManager instanceManager = InstanceManager(
+        onWeakReferenceRemoved: (_) {},
+      );
+      final ProcessCameraProvider processCameraProvider =
+          ProcessCameraProvider.detached(
+        instanceManager: instanceManager,
+      );
+      final UseCase fakeUseCase = UseCase.detached(instanceManager: instanceManager);
+
+      instanceManager.addHostCreatedInstance(
+        processCameraProvider,
+        0,
+        onCopy: (_) => ProcessCameraProvider.detached(),
+      );
+      instanceManager.addHostCreatedInstance(
+        fakeUseCase,
+        1,
+        onCopy: (_) => UseCase.detached(),
+      );
+
+      await processCameraProvider.unbind(<UseCase>[fakeUseCase]);
+      verify(mockApi.unbind(<int>[1]));
+    });
+
+    test('unbindAllTest', () async {
+      final MockTestProcessCameraProviderHostApi mockApi =
+          MockTestProcessCameraProviderHostApi();
+      TestProcessCameraProviderHostApi.setup(mockApi);
+
+      final InstanceManager instanceManager = InstanceManager(
+        onWeakReferenceRemoved: (_) {},
+      );
+      final ProcessCameraProvider processCameraProvider =
+          ProcessCameraProvider.detached(
+        instanceManager: instanceManager,
+      );
+      final UseCase fakeUseCase = UseCase.detached(instanceManager: instanceManager);
+
+      instanceManager.addHostCreatedInstance(
+        processCameraProvider,
+        0,
+        onCopy: (_) => ProcessCameraProvider.detached(),
+      );
+      instanceManager.addHostCreatedInstance(
+        fakeUseCase,
+        1,
+        onCopy: (_) => UseCase.detached(),
+      );
+
+      await processCameraProvider.unbind(<UseCase>[fakeUseCase]);
+      verify(mockApi.unbind(<int>[1]));
+    });
+
     test('flutterApiCreateTest', () {
       final InstanceManager instanceManager = InstanceManager(
         onWeakReferenceRemoved: (_) {},

packages/camera/camera_android_camerax/test/process_camera_provider_test.mocks.dart

@@ -1,4 +1,4 @@
-// Mocks generated by Mockito 5.3.0 from annotations
+// Mocks generated by Mockito 5.3.2 from annotations
 // in camera_android_camerax/test/process_camera_provider_test.dart.
 // Do not manually edit this file.
 
@@ -30,11 +30,59 @@ class MockTestProcessCameraProviderHostApi extends _i1.Mock
   }
 
   @override
-  _i3.Future<int> getInstance() =>
-      (super.noSuchMethod(Invocation.method(#getInstance, []),
-          returnValue: _i3.Future<int>.value(0)) as _i3.Future<int>);
+  _i3.Future<int> getInstance() => (super.noSuchMethod(
+        Invocation.method(
+          #getInstance,
+          [],
+        ),
+        returnValue: _i3.Future<int>.value(0),
+      ) as _i3.Future<int>);
   @override
   List<int?> getAvailableCameraInfos(int? identifier) => (super.noSuchMethod(
-      Invocation.method(#getAvailableCameraInfos, [identifier]),
-      returnValue: <int?>[]) as List<int?>);
+        Invocation.method(
+          #getAvailableCameraInfos,
+          [identifier],
+        ),
+        returnValue: <int?>[],
+      ) as List<int?>);
+  @override
+  int bindToLifecycle(
+    int? identifier,
+    int? cameraSelectorIdentifier,
+    List<int?>? useCaseIds,
+  ) =>
+      (super.noSuchMethod(
+        Invocation.method(
+          #bindToLifecycle,
+          [
+            identifier,
+            cameraSelectorIdentifier,
+            useCaseIds,
+          ],
+        ),
+        returnValue: 0,
+      ) as int);
+  @override
+  void unbind(
+    int? identifier,
+    List<int?>? useCaseIds,
+  ) =>
+      super.noSuchMethod(
+        Invocation.method(
+          #unbind,
+          [
+            identifier,
+            useCaseIds,
+          ],
+        ),
+        returnValueForMissingStub: null,
+      );
+  @override
+  void unbindAll(int? identifier) => super.noSuchMethod(
+        Invocation.method(
+          #unbindAll,
+          [identifier],
+        ),
+        returnValueForMissingStub: null,
+      );
 }