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/VirtualCameraProviderTest.cc b/services/camera/virtualcamera/tests/VirtualCameraProviderTest.cc
new file mode 100644
index 0000000..03fc2c2
--- /dev/null
+++ b/services/camera/virtualcamera/tests/VirtualCameraProviderTest.cc
@@ -0,0 +1,162 @@
+/*
+ * 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 <memory>
+
+#include "VirtualCameraProvider.h"
+#include "aidl/android/hardware/camera/common/CameraDeviceStatus.h"
+#include "aidl/android/hardware/camera/common/Status.h"
+#include "aidl/android/hardware/camera/common/TorchModeStatus.h"
+#include "aidl/android/hardware/camera/provider/BnCameraProviderCallback.h"
+#include "android/binder_auto_utils.h"
+#include "android/binder_interface_utils.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include "util/Util.h"
+
+namespace android {
+namespace companion {
+namespace virtualcamera {
+namespace {
+
+using ::aidl::android::hardware::camera::common::CameraDeviceStatus;
+using ::aidl::android::hardware::camera::common::Status;
+using ::aidl::android::hardware::camera::common::TorchModeStatus;
+using ::aidl::android::hardware::camera::provider::BnCameraProviderCallback;
+using ::testing::_;
+using ::testing::ElementsAre;
+using ::testing::Eq;
+using ::testing::IsEmpty;
+using ::testing::IsNull;
+using ::testing::MatchesRegex;
+using ::testing::Not;
+using ::testing::Return;
+
+constexpr char kVirtualCameraNameRegex[] =
+ "device@[0-9]+\\.[0-9]+/virtual/[0-9]+";
+
+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 VirtualCameraProviderTest : 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();
+ });
+ }
+
+ protected:
+ std::shared_ptr<VirtualCameraProvider> mCameraProvider;
+ std::shared_ptr<MockCameraProviderCallback> mMockCameraProviderCallback =
+ ndk::SharedRefBase::make<MockCameraProviderCallback>();
+};
+
+TEST_F(VirtualCameraProviderTest, SetNullCameraCallbackFails) {
+ // Attempting to set callback to nullptr should fail.
+ EXPECT_FALSE(mCameraProvider->setCallback(nullptr).isOk());
+}
+
+TEST_F(VirtualCameraProviderTest, NoCamerasInitially) {
+ std::vector<std::string> cameras;
+
+ // Initially, the camera provider should return empty list
+ // of cameras.
+ ASSERT_TRUE(mCameraProvider->getCameraIdList(&cameras).isOk());
+ EXPECT_THAT(cameras, IsEmpty());
+}
+
+TEST_F(VirtualCameraProviderTest, CreateCamera) {
+ // When new camera is created, we expect
+ // cameraDeviceStatusChange to be called exactly once with
+ // PRESENT status.
+ EXPECT_CALL(*mMockCameraProviderCallback,
+ cameraDeviceStatusChange(_, CameraDeviceStatus::PRESENT))
+ .WillOnce(Return(ndk::ScopedAStatus::ok()));
+
+ ASSERT_TRUE(mCameraProvider->setCallback(mMockCameraProviderCallback).isOk());
+ std::shared_ptr<VirtualCameraDevice> camera = mCameraProvider->createCamera();
+ EXPECT_THAT(camera, Not(IsNull()));
+ EXPECT_THAT(camera->getCameraName(), MatchesRegex(kVirtualCameraNameRegex));
+
+ // Created camera should be in the list of cameras.
+ std::vector<std::string> cameraIds;
+ ASSERT_TRUE(mCameraProvider->getCameraIdList(&cameraIds).isOk());
+ EXPECT_THAT(cameraIds, ElementsAre(camera->getCameraName()));
+}
+
+TEST_F(VirtualCameraProviderTest, CreateCameraBeforeCallbackIsSet) {
+ // We expect cameraDeviceStatusChange to be invoked even when the
+ // setCallback configures the callback after camera is already created.
+ EXPECT_CALL(*mMockCameraProviderCallback,
+ cameraDeviceStatusChange(_, CameraDeviceStatus::PRESENT))
+ .WillOnce(Return(ndk::ScopedAStatus::ok()));
+
+ std::shared_ptr<VirtualCameraDevice> camera = mCameraProvider->createCamera();
+ ASSERT_TRUE(mCameraProvider->setCallback(mMockCameraProviderCallback).isOk());
+
+ // Created camera should be in the list of cameras.
+ std::vector<std::string> cameraIds;
+ EXPECT_TRUE(mCameraProvider->getCameraIdList(&cameraIds).isOk());
+ EXPECT_THAT(cameraIds, ElementsAre(camera->getCameraName()));
+}
+
+TEST_F(VirtualCameraProviderTest, RemoveCamera) {
+ ASSERT_TRUE(mCameraProvider->setCallback(mMockCameraProviderCallback).isOk());
+ std::shared_ptr<VirtualCameraDevice> camera = mCameraProvider->createCamera();
+
+ EXPECT_CALL(*mMockCameraProviderCallback,
+ cameraDeviceStatusChange(Eq(camera->getCameraName()),
+ CameraDeviceStatus::NOT_PRESENT))
+ .WillOnce(Return(ndk::ScopedAStatus::ok()));
+ EXPECT_TRUE(mCameraProvider->removeCamera(camera->getCameraName()));
+
+ // There are no cameras present after only camera is removed.
+ std::vector<std::string> cameraIds;
+ ASSERT_TRUE(mCameraProvider->getCameraIdList(&cameraIds).isOk());
+ EXPECT_THAT(cameraIds, IsEmpty());
+}
+
+TEST_F(VirtualCameraProviderTest, RemoveNonExistingCamera) {
+ ASSERT_TRUE(mCameraProvider->setCallback(mMockCameraProviderCallback).isOk());
+ std::shared_ptr<VirtualCameraDevice> camera = mCameraProvider->createCamera();
+
+ // Removing non-existing camera should fail.
+ const std::string cameraName = "DefinitelyNoTCamera";
+ EXPECT_FALSE(mCameraProvider->removeCamera(cameraName));
+
+ // Camera should be still present in the camera list.
+ std::vector<std::string> cameraIds;
+ ASSERT_TRUE(mCameraProvider->getCameraIdList(&cameraIds).isOk());
+ EXPECT_THAT(cameraIds, ElementsAre(camera->getCameraName()));
+}
+
+} // namespace
+} // namespace virtualcamera
+} // namespace companion
+} // namespace android