Move virtual camera service to frameworks/av/services
Bug: 311647154
Bug: 301023410
Test: atest virtual_camera_tests
Test: build & flash & adb shell cmd virtual_camera help
Change-Id: I6d43a2b70f454c9c01ec2abcae9f138cd78c6a85
diff --git a/services/camera/virtualcamera/tests/VirtualCameraServiceTest.cc b/services/camera/virtualcamera/tests/VirtualCameraServiceTest.cc
new file mode 100644
index 0000000..4fd0b3b
--- /dev/null
+++ b/services/camera/virtualcamera/tests/VirtualCameraServiceTest.cc
@@ -0,0 +1,206 @@
+/*
+ * Copyright (C) 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 "utils/Errors.h"
+
+namespace android {
+namespace companion {
+namespace virtualcamera {
+namespace {
+
+using ::aidl::android::companion::virtualcamera::BnVirtualCameraCallback;
+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::SizeIs;
+
+const VirtualCameraConfiguration kEmptyVirtualCameraConfiguration;
+
+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 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);
+
+ 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,
+ kEmptyVirtualCameraConfiguration, &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));
+ }
+
+ protected:
+ std::shared_ptr<VirtualCameraService> mCameraService;
+ std::shared_ptr<VirtualCameraProvider> mCameraProvider;
+ std::shared_ptr<MockCameraProviderCallback> mMockCameraProviderCallback =
+ ndk::SharedRefBase::make<MockCameraProviderCallback>();
+
+ sp<BBinder> mOwnerToken;
+ ndk::SpAIBinder mNdkOwnerToken;
+
+ int mDevNullFd;
+};
+
+TEST_F(VirtualCameraServiceTest, RegisterCameraSucceeds) {
+ sp<BBinder> token = sp<BBinder>::make();
+ ndk::SpAIBinder ndkToken(AIBinder_fromPlatformBinder(token));
+ bool aidlRet;
+
+ ASSERT_TRUE(
+ mCameraService
+ ->registerCamera(ndkToken, kEmptyVirtualCameraConfiguration, &aidlRet)
+ .isOk());
+
+ EXPECT_TRUE(aidlRet);
+}
+
+TEST_F(VirtualCameraServiceTest, RegisterCameraTwiceSecondReturnsFalse) {
+ createCamera();
+ bool aidlRet;
+
+ ASSERT_TRUE(mCameraService
+ ->registerCamera(mNdkOwnerToken,
+ kEmptyVirtualCameraConfiguration, &aidlRet)
+ .isOk());
+ EXPECT_FALSE(aidlRet);
+}
+
+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, 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, TestCameraShellCmd) {
+ execute_shell_command("enable_test_camera");
+
+ std::vector<std::string> cameraIds;
+ EXPECT_TRUE(mCameraProvider->getCameraIdList(&cameraIds).isOk());
+ EXPECT_THAT(cameraIds, SizeIs(1));
+
+ execute_shell_command("disable_test_camera");
+ EXPECT_TRUE(mCameraProvider->getCameraIdList(&cameraIds).isOk());
+ EXPECT_THAT(cameraIds, IsEmpty());
+}
+
+} // namespace
+} // namespace virtualcamera
+} // namespace companion
+} // namespace android