| /* |
| * Copyright (C) 2018 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 <android-base/logging.h> |
| #include <android/hardware/health/storage/1.0/IStorage.h> |
| #include <gtest/gtest.h> |
| #include <hidl/GtestPrinter.h> |
| #include <hidl/HidlTransportSupport.h> |
| #include <hidl/ServiceManagement.h> |
| #include <unistd.h> |
| #include <thread> |
| |
| namespace android { |
| namespace hardware { |
| namespace health { |
| namespace storage { |
| namespace V1_0 { |
| |
| using ::std::literals::chrono_literals::operator""ms; |
| |
| #define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk()) << ret.description() |
| |
| // Dev GC timeout. This is the timeout used by vold. |
| const uint64_t kDevGcTimeoutSec = 120; |
| const std::chrono::seconds kDevGcTimeout{kDevGcTimeoutSec}; |
| // Dev GC timeout tolerance. The HAL may not immediately return after the |
| // timeout, so include an acceptable tolerance. |
| const std::chrono::seconds kDevGcTolerance{3}; |
| // Time accounted for RPC calls. |
| const std::chrono::milliseconds kRpcTime{1000}; |
| |
| template <typename R> |
| std::string toString(std::chrono::duration<R, std::milli> time) { |
| return std::to_string(time.count()) + "ms"; |
| } |
| |
| /** An atomic boolean flag that indicates whether a task has finished. */ |
| class Flag { |
| public: |
| void onFinish() { |
| std::unique_lock<std::mutex> lock(mMutex); |
| onFinishLocked(&lock); |
| } |
| template <typename R, typename P> |
| bool wait(std::chrono::duration<R, P> duration) { |
| std::unique_lock<std::mutex> lock(mMutex); |
| return waitLocked(&lock, duration); |
| } |
| |
| protected: |
| /** Will unlock. */ |
| void onFinishLocked(std::unique_lock<std::mutex>* lock) { |
| mFinished = true; |
| lock->unlock(); |
| mCv.notify_all(); |
| } |
| template <typename R, typename P> |
| bool waitLocked(std::unique_lock<std::mutex>* lock, std::chrono::duration<R, P> duration) { |
| mCv.wait_for(*lock, duration, [this] { return mFinished; }); |
| return mFinished; |
| } |
| |
| bool mFinished{false}; |
| std::mutex mMutex; |
| std::condition_variable mCv; |
| }; |
| |
| class GcCallback : public IGarbageCollectCallback, public Flag { |
| public: |
| Return<void> onFinish(Result result) override { |
| std::unique_lock<std::mutex> lock(mMutex); |
| mResult = result; |
| Flag::onFinishLocked(&lock); |
| return Void(); |
| } |
| |
| /** |
| * Wait for a specific "timeout". If GC has finished, test that the result |
| * is equal to the "expected" value. |
| */ |
| template <typename R, typename P> |
| void waitForResult(std::chrono::duration<R, P> timeout, Result expected) { |
| std::unique_lock<std::mutex> lock(mMutex); |
| ASSERT_TRUE(waitLocked(&lock, timeout)) << "timeout after " << toString(timeout); |
| EXPECT_EQ(expected, mResult); |
| } |
| |
| private: |
| Result mResult{Result::UNKNOWN_ERROR}; |
| }; |
| |
| class HealthStorageHidlTest : public ::testing::TestWithParam<std::string> { |
| public: |
| virtual void SetUp() override { |
| fs = IStorage::getService(GetParam()); |
| |
| ASSERT_NE(fs, nullptr); |
| LOG(INFO) << "Service is remote " << fs->isRemote(); |
| } |
| |
| virtual void TearDown() override { |
| EXPECT_TRUE(ping(kRpcTime)) |
| << "Service is not responsive; expect subsequent tests to fail."; |
| } |
| |
| /** |
| * Ping the service and expect it to return after "timeout". Return true |
| * iff the service is responsive within "timeout". |
| */ |
| template <typename R, typename P> |
| bool ping(std::chrono::duration<R, P> timeout) { |
| // Ensure the service is responsive after the test. |
| sp<IStorage> service = fs; |
| auto pingFlag = std::make_shared<Flag>(); |
| std::thread([service, pingFlag] { |
| service->ping(); |
| pingFlag->onFinish(); |
| }) |
| .detach(); |
| return pingFlag->wait(timeout); |
| } |
| |
| sp<IStorage> fs; |
| }; |
| |
| /** |
| * Ensure garbage collection works on null callback. |
| */ |
| TEST_P(HealthStorageHidlTest, GcNullCallback) { |
| auto ret = fs->garbageCollect(kDevGcTimeoutSec, nullptr); |
| |
| ASSERT_OK(ret); |
| |
| // Hold test process because HAL can be single-threaded and doing GC. |
| ASSERT_TRUE(ping(kDevGcTimeout + kDevGcTolerance + kRpcTime)) |
| << "Service must be available after " |
| << toString(kDevGcTimeout + kDevGcTolerance + kRpcTime); |
| } |
| |
| /** |
| * Ensure garbage collection works on non-null callback. |
| */ |
| TEST_P(HealthStorageHidlTest, GcNonNullCallback) { |
| sp<GcCallback> cb = new GcCallback(); |
| auto ret = fs->garbageCollect(kDevGcTimeoutSec, cb); |
| ASSERT_OK(ret); |
| cb->waitForResult(kDevGcTimeout + kDevGcTolerance + kRpcTime, Result::SUCCESS); |
| } |
| |
| GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(HealthStorageHidlTest); |
| INSTANTIATE_TEST_SUITE_P( |
| PerInstance, HealthStorageHidlTest, |
| testing::ValuesIn(android::hardware::getAllHalInstanceNames(IStorage::descriptor)), |
| android::hardware::PrintInstanceNameToString); |
| |
| } // namespace V1_0 |
| } // namespace storage |
| } // namespace health |
| } // namespace hardware |
| } // namespace android |