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test: use virtualFileSystem in Cpuinfo tests 

Related-To: NEO-7006
Signed-off-by: Marcel Skierkowski <marcel.skierkowski@intel.com>
This commit is contained in:
Marcel Skierkowski 2025-01-02 15:36:33 +00:00 committed by Compute-Runtime-Automation
parent 8f90c0de75
commit 91a2b9e66b
2 changed files with 49 additions and 23 deletions
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37
shared/test/unit_test/utilities/aarch64/cpuinfo_tests_aarch64.cpp
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@ -1,13 +1,13 @@
/*
* Copyright (C) 2022 Intel Corporation
* Copyright (C) 2022-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/file_io.h"
#include "shared/source/os_interface/linux/os_inc.h"
#include "shared/source/utilities/cpu_info.h"
#include "shared/test/common/helpers/mock_file_io.h"
#include "shared/test/common/helpers/variable_backup.h"
#include "gtest/gtest.h"
@ -17,22 +17,35 @@
using namespace NEO;
TEST(CpuInfoAarch64, givenProcCpuinfoFileExistsWhenIsCpuFlagPresentIsCalledThenValidValueIsReturned) {
void mockGetCpuFlags(std::string &cpuFlags) {
size_t fileSize = 0;
std::string cpuinfoFile = "cpuinfo";
auto fileData = loadDataFromVirtualFile(cpuinfoFile.c_str(), fileSize);
std::string data(fileData.get(), fileSize);
std::istringstream cpuinfo(data);
std::string line;
while (std::getline(cpuinfo, line)) {
if (line.substr(0, 8) == "Features") {
cpuFlags = line;
break;
}
}
}
TEST(CpuInfo, givenProcCpuinfoFileExistsWhenIsCpuFlagPresentIsCalledThenValidValueIsReturned) {
VariableBackup<const char *> pathPrefixBackup(&Os::sysFsProcPathPrefix, ".");
std::string cpuinfoFile = "cpuinfo";
EXPECT_FALSE(fileExists(cpuinfoFile));
{
std::ofstream cpuinfo(cpuinfoFile);
cpuinfo << "processor\t\t: 0\nFeatures\t\t: flag1 flag2 flag3\n";
}
EXPECT_TRUE(fileExists(cpuinfoFile));
EXPECT_FALSE(virtualFileExists(cpuinfoFile));
std::string cpuinfoData = "processor\t\t: 0\nFeatures\t\t: flag1 flag2 flag3\n";
writeDataToFile(cpuinfoFile.c_str(), cpuinfoData.data(), cpuinfoData.length());
EXPECT_TRUE(virtualFileExists(cpuinfoFile));
CpuInfo::getCpuFlagsFunc = mockGetCpuFlags;
CpuInfo testCpuInfo;
EXPECT_TRUE(testCpuInfo.isCpuFlagPresent("flag1"));
EXPECT_TRUE(testCpuInfo.isCpuFlagPresent("flag2"));
EXPECT_FALSE(testCpuInfo.isCpuFlagPresent("nonExistingCpuFlag"));
std::remove(cpuinfoFile.c_str());
removeVirtualFile(cpuinfoFile.c_str());
}

35
shared/test/unit_test/utilities/x86_64/linux/cpuinfo_tests_x86_64_linux.cpp
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@ -1,13 +1,13 @@
/*
* Copyright (C) 2022 Intel Corporation
* Copyright (C) 2022-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/file_io.h"
#include "shared/source/os_interface/linux/os_inc.h"
#include "shared/source/utilities/cpu_info.h"
#include "shared/test/common/helpers/mock_file_io.h"
#include "shared/test/common/helpers/variable_backup.h"
#include "gtest/gtest.h"
@ -17,22 +17,35 @@
using namespace NEO;
void mockGetCpuFlags(std::string &cpuFlags) {
size_t fileSize = 0;
std::string cpuinfoFile = "cpuinfo";
auto fileData = loadDataFromVirtualFile(cpuinfoFile.c_str(), fileSize);
std::string data(fileData.get(), fileSize);
std::istringstream cpuinfo(data);
std::string line;
while (std::getline(cpuinfo, line)) {
if (line.substr(0, 8) == "Features") {
cpuFlags = line;
break;
}
}
}
TEST(CpuInfo, givenProcCpuinfoFileExistsWhenIsCpuFlagPresentIsCalledThenValidValueIsReturned) {
VariableBackup<const char *> pathPrefixBackup(&Os::sysFsProcPathPrefix, ".");
std::string cpuinfoFile = "cpuinfo";
EXPECT_FALSE(fileExists(cpuinfoFile));
{
std::ofstream cpuinfo(cpuinfoFile);
cpuinfo << "processor\t\t: 0\nflags\t\t: flag1 flag2 flag3\n";
}
EXPECT_TRUE(fileExists(cpuinfoFile));
EXPECT_FALSE(virtualFileExists(cpuinfoFile));
std::string cpuinfoData = "processor\t\t: 0\nFeatures\t\t: flag1 flag2 flag3\n";
writeDataToFile(cpuinfoFile.c_str(), cpuinfoData.data(), cpuinfoData.length());
EXPECT_TRUE(virtualFileExists(cpuinfoFile));
CpuInfo::getCpuFlagsFunc = mockGetCpuFlags;
CpuInfo testCpuInfo;
EXPECT_TRUE(testCpuInfo.isCpuFlagPresent("flag1"));
EXPECT_TRUE(testCpuInfo.isCpuFlagPresent("flag2"));
EXPECT_FALSE(testCpuInfo.isCpuFlagPresent("nonExistingCpuFlag"));
std::remove(cpuinfoFile.c_str());
removeVirtualFile(cpuinfoFile.c_str());
}