| /* |
| * Copyright 2023 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <cstdio> |
| #include <memory> |
| |
| #include "VirtualCameraService.h" |
| #include "aidl/android/companion/virtualcamera/BnVirtualCameraCallback.h" |
| #include "aidl/android/companion/virtualcamera/VirtualCameraConfiguration.h" |
| #include "aidl/android/hardware/camera/provider/BnCameraProviderCallback.h" |
| #include "aidl/android/hardware/graphics/common/PixelFormat.h" |
| #include "android/binder_auto_utils.h" |
| #include "android/binder_interface_utils.h" |
| #include "android/binder_libbinder.h" |
| #include "android/binder_status.h" |
| #include "binder/Binder.h" |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "util/Permissions.h" |
| #include "utils/Errors.h" |
| |
| namespace android { |
| namespace companion { |
| namespace virtualcamera { |
| namespace { |
| |
| using ::aidl::android::companion::virtualcamera::BnVirtualCameraCallback; |
| using ::aidl::android::companion::virtualcamera::Format; |
| using ::aidl::android::companion::virtualcamera::LensFacing; |
| using ::aidl::android::companion::virtualcamera::SensorOrientation; |
| using ::aidl::android::companion::virtualcamera::VirtualCameraConfiguration; |
| using ::aidl::android::hardware::camera::common::CameraDeviceStatus; |
| using ::aidl::android::hardware::camera::common::TorchModeStatus; |
| using ::aidl::android::hardware::camera::provider::BnCameraProviderCallback; |
| using ::aidl::android::hardware::graphics::common::PixelFormat; |
| using ::aidl::android::view::Surface; |
| using ::testing::_; |
| using ::testing::Eq; |
| using ::testing::Ge; |
| using ::testing::IsEmpty; |
| using ::testing::IsNull; |
| using ::testing::Not; |
| using ::testing::Return; |
| using ::testing::SizeIs; |
| |
| constexpr int kVgaWidth = 640; |
| constexpr int kVgaHeight = 480; |
| constexpr int kMaxFps = 30; |
| constexpr SensorOrientation kSensorOrientation = |
| SensorOrientation::ORIENTATION_0; |
| constexpr LensFacing kLensFacing = LensFacing::FRONT; |
| constexpr char kCreateVirtualDevicePermissions[] = |
| "android.permission.CREATE_VIRTUAL_DEVICE"; |
| |
| const VirtualCameraConfiguration kEmptyVirtualCameraConfiguration; |
| |
| VirtualCameraConfiguration createConfiguration(const int width, const int height, |
| const Format format, |
| const int maxFps) { |
| VirtualCameraConfiguration configuration; |
| configuration.supportedStreamConfigs.push_back({.width = width, |
| .height = height, |
| .pixelFormat = format, |
| .maxFps = maxFps}); |
| configuration.sensorOrientation = kSensorOrientation; |
| configuration.lensFacing = kLensFacing; |
| return configuration; |
| } |
| |
| class MockCameraProviderCallback : public BnCameraProviderCallback { |
| public: |
| MOCK_METHOD(ndk::ScopedAStatus, cameraDeviceStatusChange, |
| (const std::string&, CameraDeviceStatus), (override)); |
| MOCK_METHOD(ndk::ScopedAStatus, torchModeStatusChange, |
| (const std::string&, TorchModeStatus), (override)); |
| MOCK_METHOD(ndk::ScopedAStatus, physicalCameraDeviceStatusChange, |
| (const std::string&, const std::string&, CameraDeviceStatus), |
| (override)); |
| }; |
| |
| class MockPermissionsProxy : public PermissionsProxy { |
| public: |
| MOCK_METHOD(bool, checkCallingPermission, (const std::string&), |
| (const override)); |
| }; |
| |
| class VirtualCameraServiceTest : public ::testing::Test { |
| public: |
| void SetUp() override { |
| mCameraProvider = ndk::SharedRefBase::make<VirtualCameraProvider>(); |
| mMockCameraProviderCallback = |
| ndk::SharedRefBase::make<MockCameraProviderCallback>(); |
| ON_CALL(*mMockCameraProviderCallback, cameraDeviceStatusChange) |
| .WillByDefault([](const std::string&, CameraDeviceStatus) { |
| return ndk::ScopedAStatus::ok(); |
| }); |
| mCameraProvider->setCallback(mMockCameraProviderCallback); |
| mCameraService = ndk::SharedRefBase::make<VirtualCameraService>( |
| mCameraProvider, mMockPermissionsProxy); |
| |
| ON_CALL(mMockPermissionsProxy, checkCallingPermission) |
| .WillByDefault(Return(true)); |
| |
| mDevNullFd = open("/dev/null", O_RDWR); |
| ASSERT_THAT(mDevNullFd, Ge(0)); |
| } |
| |
| void createCamera() { |
| mOwnerToken = sp<BBinder>::make(); |
| mNdkOwnerToken.set(AIBinder_fromPlatformBinder(mOwnerToken)); |
| bool aidlRet; |
| |
| ASSERT_TRUE(mCameraService |
| ->registerCamera(mNdkOwnerToken, |
| mVgaYUV420OnlyConfiguration, &aidlRet) |
| .isOk()); |
| ASSERT_TRUE(aidlRet); |
| } |
| |
| void TearDown() override { |
| close(mDevNullFd); |
| } |
| |
| void execute_shell_command(const std::string cmd) { |
| std::array<const char*, 1> args{cmd.data()}; |
| ASSERT_THAT( |
| mCameraService->handleShellCommand(mDevNullFd, mDevNullFd, mDevNullFd, |
| args.data(), args.size()), |
| Eq(NO_ERROR)); |
| } |
| |
| std::vector<std::string> getCameraIds() { |
| std::vector<std::string> cameraIds; |
| EXPECT_TRUE(mCameraProvider->getCameraIdList(&cameraIds).isOk()); |
| return cameraIds; |
| } |
| |
| protected: |
| std::shared_ptr<VirtualCameraService> mCameraService; |
| std::shared_ptr<VirtualCameraProvider> mCameraProvider; |
| std::shared_ptr<MockCameraProviderCallback> mMockCameraProviderCallback = |
| ndk::SharedRefBase::make<MockCameraProviderCallback>(); |
| MockPermissionsProxy mMockPermissionsProxy; |
| |
| sp<BBinder> mOwnerToken; |
| ndk::SpAIBinder mNdkOwnerToken; |
| |
| int mDevNullFd; |
| |
| VirtualCameraConfiguration mVgaYUV420OnlyConfiguration = |
| createConfiguration(kVgaWidth, kVgaHeight, Format::YUV_420_888, kMaxFps); |
| }; |
| |
| TEST_F(VirtualCameraServiceTest, RegisterCameraWithYuvInputSucceeds) { |
| sp<BBinder> token = sp<BBinder>::make(); |
| ndk::SpAIBinder ndkToken(AIBinder_fromPlatformBinder(token)); |
| bool aidlRet; |
| |
| ASSERT_TRUE( |
| mCameraService |
| ->registerCamera(ndkToken, mVgaYUV420OnlyConfiguration, &aidlRet) |
| .isOk()); |
| |
| EXPECT_TRUE(aidlRet); |
| EXPECT_THAT(getCameraIds(), SizeIs(1)); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, RegisterCameraWithRgbaInputSucceeds) { |
| sp<BBinder> token = sp<BBinder>::make(); |
| ndk::SpAIBinder ndkToken(AIBinder_fromPlatformBinder(token)); |
| bool aidlRet; |
| |
| VirtualCameraConfiguration config = |
| createConfiguration(kVgaWidth, kVgaHeight, Format::RGBA_8888, kMaxFps); |
| |
| ASSERT_TRUE(mCameraService->registerCamera(ndkToken, config, &aidlRet).isOk()); |
| |
| EXPECT_TRUE(aidlRet); |
| EXPECT_THAT(getCameraIds(), SizeIs(1)); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, RegisterCameraTwiceSecondReturnsFalse) { |
| createCamera(); |
| bool aidlRet; |
| |
| ASSERT_TRUE(mCameraService |
| ->registerCamera(mNdkOwnerToken, mVgaYUV420OnlyConfiguration, |
| &aidlRet) |
| .isOk()); |
| EXPECT_FALSE(aidlRet); |
| EXPECT_THAT(getCameraIds(), SizeIs(1)); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, EmptyConfigurationFails) { |
| bool aidlRet; |
| |
| ASSERT_FALSE(mCameraService |
| ->registerCamera(mNdkOwnerToken, |
| kEmptyVirtualCameraConfiguration, &aidlRet) |
| .isOk()); |
| EXPECT_FALSE(aidlRet); |
| EXPECT_THAT(getCameraIds(), IsEmpty()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, ConfigurationWithUnsupportedPixelFormatFails) { |
| bool aidlRet; |
| |
| VirtualCameraConfiguration config = |
| createConfiguration(kVgaWidth, kVgaHeight, Format::UNKNOWN, kMaxFps); |
| |
| ASSERT_FALSE( |
| mCameraService->registerCamera(mNdkOwnerToken, config, &aidlRet).isOk()); |
| EXPECT_FALSE(aidlRet); |
| EXPECT_THAT(getCameraIds(), IsEmpty()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, ConfigurationWithTooHighResFails) { |
| bool aidlRet; |
| VirtualCameraConfiguration config = |
| createConfiguration(1000000, 1000000, Format::YUV_420_888, kMaxFps); |
| |
| ASSERT_FALSE( |
| mCameraService->registerCamera(mNdkOwnerToken, config, &aidlRet).isOk()); |
| EXPECT_FALSE(aidlRet); |
| EXPECT_THAT(getCameraIds(), IsEmpty()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, ConfigurationWithUnalignedResolutionFails) { |
| bool aidlRet; |
| VirtualCameraConfiguration config = |
| createConfiguration(641, 481, Format::YUV_420_888, kMaxFps); |
| |
| ASSERT_FALSE( |
| mCameraService->registerCamera(mNdkOwnerToken, config, &aidlRet).isOk()); |
| EXPECT_FALSE(aidlRet); |
| EXPECT_THAT(getCameraIds(), IsEmpty()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, ConfigurationWithNegativeResolutionFails) { |
| bool aidlRet; |
| VirtualCameraConfiguration config = |
| createConfiguration(-1, kVgaHeight, Format::YUV_420_888, kMaxFps); |
| |
| ASSERT_FALSE( |
| mCameraService->registerCamera(mNdkOwnerToken, config, &aidlRet).isOk()); |
| EXPECT_FALSE(aidlRet); |
| EXPECT_THAT(getCameraIds(), IsEmpty()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, ConfigurationWithTooLowMaxFpsFails) { |
| bool aidlRet; |
| VirtualCameraConfiguration config = |
| createConfiguration(kVgaWidth, kVgaHeight, Format::YUV_420_888, 0); |
| |
| ASSERT_FALSE( |
| mCameraService->registerCamera(mNdkOwnerToken, config, &aidlRet).isOk()); |
| EXPECT_FALSE(aidlRet); |
| EXPECT_THAT(getCameraIds(), IsEmpty()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, ConfigurationWithTooHighMaxFpsFails) { |
| bool aidlRet; |
| VirtualCameraConfiguration config = |
| createConfiguration(kVgaWidth, kVgaHeight, Format::YUV_420_888, 90); |
| |
| ASSERT_FALSE( |
| mCameraService->registerCamera(mNdkOwnerToken, config, &aidlRet).isOk()); |
| EXPECT_FALSE(aidlRet); |
| EXPECT_THAT(getCameraIds(), IsEmpty()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, GetCamera) { |
| createCamera(); |
| |
| EXPECT_THAT(mCameraService->getCamera(mNdkOwnerToken), Not(IsNull())); |
| |
| sp<BBinder> otherToken = sp<BBinder>::make(); |
| EXPECT_THAT(mCameraService->getCamera( |
| ndk::SpAIBinder(AIBinder_fromPlatformBinder(otherToken))), |
| IsNull()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, UnregisterCamera) { |
| createCamera(); |
| |
| EXPECT_THAT(mCameraService->getCamera(mNdkOwnerToken), Not(IsNull())); |
| |
| mCameraService->unregisterCamera(mNdkOwnerToken); |
| |
| EXPECT_THAT(mCameraService->getCamera(mNdkOwnerToken), IsNull()); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, RegisterCameraWithoutPermissionFails) { |
| bool aidlRet; |
| EXPECT_CALL(mMockPermissionsProxy, |
| checkCallingPermission(kCreateVirtualDevicePermissions)) |
| .WillOnce(Return(false)); |
| |
| EXPECT_THAT(mCameraService |
| ->registerCamera(mNdkOwnerToken, mVgaYUV420OnlyConfiguration, |
| &aidlRet) |
| .getExceptionCode(), |
| Eq(EX_SECURITY)); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, UnregisterCameraWithoutPermissionFails) { |
| EXPECT_CALL(mMockPermissionsProxy, |
| checkCallingPermission(kCreateVirtualDevicePermissions)) |
| .WillOnce(Return(false)); |
| |
| EXPECT_THAT( |
| mCameraService->unregisterCamera(mNdkOwnerToken).getExceptionCode(), |
| Eq(EX_SECURITY)); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, GetIdWithoutPermissionFails) { |
| int32_t aidlRet; |
| EXPECT_CALL(mMockPermissionsProxy, |
| checkCallingPermission(kCreateVirtualDevicePermissions)) |
| .WillOnce(Return(false)); |
| |
| EXPECT_THAT( |
| mCameraService->getCameraId(mNdkOwnerToken, &aidlRet).getExceptionCode(), |
| Eq(EX_SECURITY)); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, UnregisterCameraWithUnknownToken) { |
| createCamera(); |
| |
| EXPECT_THAT(mCameraService->getCamera(mNdkOwnerToken), Not(IsNull())); |
| |
| auto otherToken = sp<BBinder>::make(); |
| ndk::SpAIBinder ndkOtherToken(AIBinder_fromPlatformBinder(otherToken)); |
| mCameraService->unregisterCamera(ndkOtherToken); |
| |
| EXPECT_THAT(mCameraService->getCamera(mNdkOwnerToken), Not(IsNull())); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, ShellCmdWithNullArgs) { |
| EXPECT_EQ(mCameraService->handleShellCommand( |
| /*in=*/mDevNullFd, /*out=*/mDevNullFd, /*err=*/mDevNullFd, |
| /*args=*/nullptr, /*numArgs=*/1), |
| STATUS_BAD_VALUE); |
| |
| std::array<const char*, 1> args{nullptr}; |
| EXPECT_EQ(mCameraService->handleShellCommand( |
| /*in=*/mDevNullFd, /*out=*/mDevNullFd, /*err=*/mDevNullFd, |
| args.data(), /*numArgs=*/1), |
| STATUS_BAD_VALUE); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, ShellCmdWithNoArgs) { |
| EXPECT_EQ(mCameraService->handleShellCommand( |
| /*in=*/mDevNullFd, /*out=*/mDevNullFd, /*err=*/mDevNullFd, |
| /*args=*/nullptr, /*numArgs=*/0), |
| STATUS_OK); |
| } |
| |
| TEST_F(VirtualCameraServiceTest, TestCameraShellCmd) { |
| execute_shell_command("enable_test_camera"); |
| |
| std::vector<std::string> cameraIdsAfterEnable = getCameraIds(); |
| EXPECT_THAT(cameraIdsAfterEnable, SizeIs(1)); |
| |
| execute_shell_command("disable_test_camera"); |
| |
| std::vector<std::string> cameraIdsAfterDisable = getCameraIds(); |
| EXPECT_THAT(cameraIdsAfterDisable, IsEmpty()); |
| } |
| |
| } // namespace |
| } // namespace virtualcamera |
| } // namespace companion |
| } // namespace android |