127 lines
5.0 KiB
C++
127 lines
5.0 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include "adaptivecpu/CpuLoadReaderSysDevices.h"
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#include "mocks.h"
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#define LOG_TAG "powerhal-adaptivecpu"
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using testing::_;
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using testing::ByMove;
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using testing::MatchesRegex;
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using testing::Return;
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using std::chrono_literals::operator""ms;
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namespace aidl {
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namespace google {
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namespace hardware {
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namespace power {
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namespace impl {
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namespace pixel {
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TEST(CpuLoadReaderSysDevicesTest, GetRecentCpuLoads) {
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std::unique_ptr<MockFilesystem> filesystem = std::make_unique<MockFilesystem>();
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std::unique_ptr<MockTimeSource> timeSource = std::make_unique<MockTimeSource>();
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EXPECT_CALL(*filesystem, ListDirectory(MatchesRegex("/sys/devices/system/cpu/cpu0/cpuidle"), _))
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::vector<std::string>{"foo", "bar", "baz"};
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return true;
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});
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EXPECT_CALL(*filesystem,
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ListDirectory(MatchesRegex("/sys/devices/system/cpu/cpu0/cpuidle/(foo|bar)"), _))
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.Times(2)
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.WillRepeatedly([](auto _path __attribute__((unused)), auto result) {
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*result = std::vector<std::string>{"abc", "time", "xyz"};
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return true;
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});
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EXPECT_CALL(*filesystem,
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ListDirectory(MatchesRegex("/sys/devices/system/cpu/cpu0/cpuidle/baz"), _))
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::vector<std::string>{"abc", "xyz"};
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return true;
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});
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EXPECT_CALL(*filesystem, ReadFileStream("/sys/devices/system/cpu/cpu0/cpuidle/foo/time", _))
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.Times(2)
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("100");
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return true;
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})
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("200");
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return true;
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});
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EXPECT_CALL(*filesystem, ReadFileStream("/sys/devices/system/cpu/cpu0/cpuidle/bar/time", _))
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.Times(2)
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("500");
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return true;
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})
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("700");
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return true;
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});
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EXPECT_CALL(*filesystem, ReadFileStream("/sys/devices/system/cpu/cpu1/cpuidle/foo/time", _))
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.Times(2)
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("1000");
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return true;
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})
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("1010");
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return true;
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});
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EXPECT_CALL(*filesystem, ReadFileStream("/sys/devices/system/cpu/cpu1/cpuidle/bar/time", _))
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.Times(2)
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("50");
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return true;
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})
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.WillOnce([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("70");
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return true;
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});
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EXPECT_CALL(*filesystem,
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ReadFileStream(
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MatchesRegex("/sys/devices/system/cpu/cpu[2-7]/cpuidle/(foo|bar)/time"), _))
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.WillRepeatedly([](auto _path __attribute__((unused)), auto result) {
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*result = std::make_unique<std::istringstream>("0");
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return true;
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});
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EXPECT_CALL(*timeSource, GetTime()).Times(2).WillOnce(Return(1ms)).WillOnce(Return(2ms));
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CpuLoadReaderSysDevices reader(std::move(filesystem), std::move(timeSource));
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ASSERT_TRUE(reader.Init());
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std::array<double, NUM_CPU_CORES> actualPercentage;
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reader.GetRecentCpuLoads(&actualPercentage);
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std::array<double, NUM_CPU_CORES> expectedPercentage{0.3, 0.03, 0, 0, 0, 0, 0, 0};
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ASSERT_EQ(actualPercentage, expectedPercentage);
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}
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} // namespace pixel
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} // namespace impl
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} // namespace power
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} // namespace hardware
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} // namespace google
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} // namespace aidl
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