test: improve unit tests - use virtual file system

- use virtualFileSystem in ULTs, writeDataToFile() does not create file
but instead saves filename. Call to fileExists() checks if file was
previously written

Related-To: NEO-7006

Signed-off-by: Mateusz Hoppe <mateusz.hoppe@intel.com>

level_zero/CMakeLists.txt

@@ -221,6 +221,7 @@ if(BUILD_WITH_L0)
               ${NEO_SHARED_DIRECTORY}/gmm_helper/resource_info.cpp
               ${NEO_SHARED_DIRECTORY}/helpers/abort.cpp
               ${NEO_SHARED_DIRECTORY}/helpers/debug_helpers.cpp
+              ${NEO_SHARED_DIRECTORY}/helpers/file_io.cpp
               ${NEO_SHARED_DIRECTORY}/utilities/cpuintrinsics.cpp
               ${NEO_SHARED_DIRECTORY}/utilities/debug_settings_reader_creator.cpp
               ${NEO_SHARED_DIRECTORY}/utilities/io_functions.cpp

level_zero/core/source/dll/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2020-2023 Intel Corporation
+# Copyright (C) 2020-2024 Intel Corporation
 #
 # SPDX-License-Identifier: MIT
 #
@@ -9,6 +9,7 @@ target_sources(${TARGET_NAME_L0}
                ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
                ${CMAKE_CURRENT_SOURCE_DIR}/disallow_deferred_deleter.cpp
                ${CMAKE_CURRENT_SOURCE_DIR}/create_builtin_functions_lib.cpp
+               ${NEO_SHARED_DIRECTORY}/helpers/file_io.cpp
 )
 
 add_subdirectories()

level_zero/core/test/aub_tests/CMakeLists.txt

@@ -13,6 +13,7 @@ if(DEFINED AUB_STREAM_PROJECT_NAME)
   list(APPEND L0_AUB_TESTS__TARGET_OBJECTS
        ${CMAKE_CURRENT_SOURCE_DIR}/aub_hello_world_test.cpp
        ${NEO_SHARED_TEST_DIRECTORY}/common/common_main.cpp
+       ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/virtual_file_system_listener.cpp
        ${NEO_SHARED_TEST_DIRECTORY}/common/tests_configuration.h
   )
 

level_zero/core/test/unit_tests/CMakeLists.txt

@@ -28,6 +28,7 @@ target_sources(${TARGET_NAME} PRIVATE
                ${CMAKE_CURRENT_SOURCE_DIR}/mock.h
                ${CMAKE_CURRENT_SOURCE_DIR}/white_box.h
                ${NEO_SHARED_TEST_DIRECTORY}/common/common_main.cpp
+               ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/virtual_file_system_listener.cpp
                ${NEO_SHARED_TEST_DIRECTORY}/common/tests_configuration.h
                ${NEO_SOURCE_DIR}/level_zero/core/test/common/test_modules/gen_kernel.cmake
                ${NEO_SOURCE_DIR}/level_zero/core/test/common/ult_specific_config_l0.cpp

level_zero/core/test/unit_tests/sources/debugger/test_module_with_debug.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -7,12 +7,12 @@
 
 #include "shared/source/compiler_interface/external_functions.h"
 #include "shared/source/device_binary_format/patchtokens_decoder.h"
-#include "shared/source/helpers/file_io.h"
 #include "shared/source/kernel/kernel_descriptor_from_patchtokens.h"
 #include "shared/source/os_interface/os_interface.h"
 #include "shared/source/program/kernel_info.h"
 #include "shared/source/program/kernel_info_from_patchtokens.h"
 #include "shared/test/common/compiler_interface/linker_mock.h"
+#include "shared/test/common/helpers/mock_file_io.h"
 #include "shared/test/common/helpers/unit_test_helper.h"
 #include "shared/test/common/mocks/mock_compilers.h"
 #include "shared/test/common/mocks/mock_elf.h"
@@ -393,11 +393,11 @@ HWTEST_F(ModuleWithZebinAndL0DebuggerTest, GivenDumpElfFlagAndZebinWhenInitializ
              zebin.storage.data(), zebin.storage.size());
 
     std::string fileName = "dumped_debug_module.elf";
-    EXPECT_FALSE(fileExists(fileName));
+    EXPECT_FALSE(virtualFileExists(fileName));
 
     EXPECT_EQ(moduleMock->initialize(&moduleDesc, neoDevice), ZE_RESULT_SUCCESS);
-    EXPECT_TRUE(fileExists(fileName));
-    std::remove(fileName.c_str());
+    EXPECT_TRUE(virtualFileExists(fileName));
+    removeVirtualFile(fileName.c_str());
 }
 
 HWTEST_F(ModuleWithZebinAndL0DebuggerTest, GivenZebinNoDebugDataWhenInitializingModuleThenDoNotRegisterElfAndDoNotNotifyModuleCreate) {

level_zero/core/test/unit_tests/sources/module/test_module.cpp

@@ -16,7 +16,6 @@
 #include "shared/source/helpers/addressing_mode_helper.h"
 #include "shared/source/helpers/blit_helper.h"
 #include "shared/source/helpers/compiler_product_helper.h"
-#include "shared/source/helpers/file_io.h"
 #include "shared/source/helpers/gfx_core_helper.h"
 #include "shared/source/kernel/implicit_args_helper.h"
 #include "shared/source/os_interface/os_inc_base.h"
@@ -24,6 +23,7 @@
 #include "shared/test/common/compiler_interface/linker_mock.h"
 #include "shared/test/common/device_binary_format/patchtokens_tests.h"
 #include "shared/test/common/helpers/debug_manager_state_restore.h"
+#include "shared/test/common/helpers/mock_file_io.h"
 #include "shared/test/common/mocks/mock_device.h"
 #include "shared/test/common/mocks/mock_elf.h"
 #include "shared/test/common/mocks/mock_graphics_allocation.h"
@@ -3369,13 +3369,13 @@ HWTEST_F(ModuleTranslationUnitTest, givenDumpZebinWhenBuildingFromSpirvThenZebin
     ze_result_t result = ZE_RESULT_ERROR_MODULE_BUILD_FAILURE;
 
     std::string fileName = "dumped_zebin_module.elf";
-    EXPECT_FALSE(fileExists(fileName));
+    EXPECT_FALSE(virtualFileExists(fileName));
 
     result = moduleTu.buildFromSpirV(binary, sizeof(binary), nullptr, "", nullptr);
     EXPECT_EQ(result, ZE_RESULT_SUCCESS);
 
-    EXPECT_TRUE(fileExistsHasSize(fileName));
-    std::remove(fileName.c_str());
+    EXPECT_TRUE(virtualFileExists(fileName));
+    removeVirtualFile(fileName);
 
     PatchTokensTestData::ValidEmptyProgram programTokens;
     mockCompilerInterface->output.intermediateRepresentation.size = programTokens.storage.size();
@@ -3389,9 +3389,8 @@ HWTEST_F(ModuleTranslationUnitTest, givenDumpZebinWhenBuildingFromSpirvThenZebin
 
     result = moduleTu2.buildFromSpirV(binary, sizeof(binary), nullptr, "", nullptr);
 
-    EXPECT_FALSE(fileExists(fileName));
-    EXPECT_FALSE(fileExistsHasSize(fileName));
-    std::remove(fileName.c_str());
+    EXPECT_FALSE(virtualFileExists(fileName));
+    removeVirtualFile(fileName);
 }
 
 HWTEST2_F(ModuleTranslationUnitTest, givenDebugFlagSetForceAllResourcesUncachedWhenGetInternalOptionsThenCorrectBuildOptionIsSet, IsAtLeastXeHpgCore) {

level_zero/sysman/test/unit_tests/CMakeLists.txt

@@ -32,6 +32,7 @@ target_sources(${TARGET_NAME} PRIVATE
                ${NEO_SOURCE_DIR}/level_zero/core/source/dll/create_builtin_functions_lib.cpp
                ${NEO_SOURCE_DIR}/level_zero/tools/test/unit_tests/sources/debug/debug_session_helper.cpp
                ${NEO_SHARED_TEST_DIRECTORY}/common/common_main.cpp
+               ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/virtual_file_system_listener.cpp
                ${NEO_SHARED_TEST_DIRECTORY}/common/tests_configuration.h
 )
 

level_zero/tools/test/unit_tests/CMakeLists.txt

@@ -32,6 +32,7 @@ target_sources(${TARGET_NAME} PRIVATE
                ${NEO_SOURCE_DIR}/level_zero/core/test/unit_tests/sources/builtin/create_ult_builtin_functions_lib.cpp
                ${NEO_SOURCE_DIR}/level_zero/tools/test/unit_tests/sources/debug/debug_session_helper.cpp
                ${NEO_SHARED_TEST_DIRECTORY}/common/common_main.cpp
+               ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/virtual_file_system_listener.cpp
                ${NEO_SHARED_TEST_DIRECTORY}/common/tests_configuration.h
 )
 

opencl/source/dll/CMakeLists.txt

@@ -27,6 +27,7 @@ set(RUNTIME_SRCS_DLL_BASE
     ${NEO_SHARED_DIRECTORY}/helpers/abort.cpp
     ${NEO_SHARED_DIRECTORY}/helpers/allow_deferred_deleter.cpp
     ${NEO_SHARED_DIRECTORY}/helpers/debug_helpers.cpp
+    ${NEO_SHARED_DIRECTORY}/helpers/file_io.cpp
     ${NEO_SHARED_DIRECTORY}/utilities/cpuintrinsics.cpp
     ${NEO_SHARED_DIRECTORY}/utilities/debug_settings_reader_creator.cpp
     ${NEO_SHARED_DIRECTORY}/utilities/io_functions.cpp

opencl/test/unit_test/libult/CMakeLists.txt

@@ -37,6 +37,7 @@ set(IGDRCL_SRCS_LIB_ULT_ENV
     ${CMAKE_CURRENT_SOURCE_DIR}/command_queue_ult.cpp
     ${NEO_SOURCE_DIR}/shared/test/common/helpers/custom_event_listener.h
     ${NEO_SOURCE_DIR}/shared/test/common/common_main.cpp
+    ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/virtual_file_system_listener.cpp
     ${NEO_SOURCE_DIR}/opencl/test/unit_test/command_queue/command_queue_fixture.cpp
     ${NEO_SOURCE_DIR}/opencl/test/unit_test/command_queue/command_queue_fixture.h
     ${NEO_SOURCE_DIR}/opencl/test/unit_test/fixtures/built_in_fixture.cpp

opencl/test/unit_test/linux/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2018-2023 Intel Corporation
+# Copyright (C) 2018-2024 Intel Corporation
 #
 # SPDX-License-Identifier: MIT
 #
@@ -20,6 +20,7 @@ add_executable(igdrcl_${target_name}
                ${CMAKE_CURRENT_SOURCE_DIR}/mock_os_layer.cpp
                ${CMAKE_CURRENT_SOURCE_DIR}/mock_os_layer.h
                ${CMAKE_CURRENT_SOURCE_DIR}/os_interface_linux_tests.cpp
+               ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/virtual_file_system_listener.cpp
                ${NEO_SHARED_DIRECTORY}/os_interface/linux/sys_calls_linux.cpp
                ${NEO_SHARED_DIRECTORY}/dll/create_memory_manager_drm.cpp
                ${NEO_SHARED_DIRECTORY}/dll/device_dll.cpp

shared/source/built_ins/built_ins.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -14,6 +14,7 @@
 #include "shared/source/execution_environment/root_device_environment.h"
 #include "shared/source/helpers/aligned_memory.h"
 #include "shared/source/helpers/debug_helpers.h"
+#include "shared/source/helpers/file_io.h"
 #include "shared/source/memory_manager/allocation_properties.h"
 #include "shared/source/memory_manager/memory_manager.h"
 #include "shared/source/os_interface/os_context.h"

shared/source/helpers/CMakeLists.txt

@@ -68,7 +68,6 @@ set(NEO_CORE_HELPERS
     ${CMAKE_CURRENT_SOURCE_DIR}/engine_node_helper.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/engine_node_helper.h
     ${CMAKE_CURRENT_SOURCE_DIR}/extendable_enum.h
-    ${CMAKE_CURRENT_SOURCE_DIR}/file_io.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/file_io_load.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/file_io.h
     ${CMAKE_CURRENT_SOURCE_DIR}/flat_batch_buffer_helper.h

shared/source/helpers/file_io.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2023 Intel Corporation
+ * Copyright (C) 2018-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -61,14 +61,3 @@ bool fileExistsHasSize(const std::string &fileName) {
     }
     return pFile != nullptr && nsize > 0;
 }
-
-void dumpFileIncrement(const char *data, size_t dataSize, const std::string &filename, const std::string &extension) {
-    std::ofstream fstream;
-    auto filenameWithExt = filename + extension;
-    int suffix = 0;
-    while (fileExists(filenameWithExt)) {
-        filenameWithExt = filename + "_" + std::to_string(suffix) + extension;
-        suffix++;
-    }
-    writeDataToFile(filenameWithExt.c_str(), data, dataSize);
-}

shared/source/helpers/file_io_load.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022-2023 Intel Corporation
+ * Copyright (C) 2022-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -48,3 +48,13 @@ std::unique_ptr<char[]> loadDataFromFile(
     retSize = nsize;
     return ret;
 }
+
+void dumpFileIncrement(const char *data, size_t dataSize, const std::string &filename, const std::string &extension) {
+    auto filenameWithExt = filename + extension;
+    int suffix = 0;
+    while (fileExists(filenameWithExt)) {
+        filenameWithExt = filename + "_" + std::to_string(suffix) + extension;
+        suffix++;
+    }
+    writeDataToFile(filenameWithExt.c_str(), data, dataSize);
+}

shared/test/common/common_main.cpp

@@ -18,6 +18,7 @@
 #include "shared/test/common/helpers/memory_leak_listener.h"
 #include "shared/test/common/helpers/test_files.h"
 #include "shared/test/common/helpers/ult_hw_config.inl"
+#include "shared/test/common/helpers/virtual_file_system_listener.h"
 #include "shared/test/common/libult/global_environment.h"
 #include "shared/test/common/libult/signal_utils.h"
 #include "shared/test/common/mocks/mock_gmm_client_context.h"
@@ -365,6 +366,7 @@ int main(int argc, char **argv) {
             }
 
             listeners.Append(new MemoryLeakListener);
+            listeners.Append(new NEO::VirtualFileSystemListener);
 
             addUltListener(listeners);
             ultListenersInitialized = true;

shared/test/common/helpers/file_io.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Intel Corporation
+ * Copyright (C) 2022-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -63,3 +63,14 @@ bool fileExistsHasSize(const std::string &fileName) {
     }
     return pFile != nullptr && nsize > 0;
 }
+
+void removeVirtualFile(const std::string &fileName) {
+    NEO::virtualFileList.erase(fileName);
+}
+
+bool virtualFileExists(const std::string &fileName) {
+    if (NEO::virtualFileList.count(fileName) > 0) {
+        return true;
+    }
+    return false;
+}

shared/test/common/helpers/mock_file_io.h

@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2024 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "shared/source/helpers/file_io.h"
+
+bool virtualFileExists(const std::string &fileName);
+void removeVirtualFile(const std::string &fileName);

shared/test/common/helpers/virtual_file_system_listener.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022-2023 Intel Corporation
+ * Copyright (C) 2022-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -7,6 +7,8 @@
 
 #include "shared/test/common/helpers/virtual_file_system_listener.h"
 
+#include "shared/test/common/helpers/mock_file_io.h"
+
 namespace NEO {
 std::set<std::string> virtualFileList;
 

shared/test/common/libult/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2021-2023 Intel Corporation
+# Copyright (C) 2021-2024 Intel Corporation
 #
 # SPDX-License-Identifier: MIT
 #
@@ -110,6 +110,7 @@ set(neo_libult_common_SRCS_LIB_ULT
     ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/unit_test_helper.h
     ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/unit_test_helper.inl
     ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/unit_test_helper_bdw_and_later.inl
+    ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/file_io.cpp
     ${NEO_SHARED_TEST_DIRECTORY}/common/libult/abort.cpp
     ${NEO_SHARED_TEST_DIRECTORY}/common/libult/create_tbx_sockets.cpp
     ${NEO_SHARED_TEST_DIRECTORY}/common/libult/debug_settings_reader_creator.cpp

shared/test/unit_test/CMakeLists.txt

@@ -21,6 +21,7 @@ add_executable(neo_shared_tests
                ${CMAKE_CURRENT_SOURCE_DIR}/ult_specific_config.cpp
                ${NEO_SHARED_DIRECTORY}/helpers/allow_deferred_deleter.cpp
                ${NEO_SHARED_TEST_DIRECTORY}/common/common_main.cpp
+               ${NEO_SHARED_TEST_DIRECTORY}/common/helpers/virtual_file_system_listener.cpp
                ${NEO_SHARED_TEST_DIRECTORY}/common/tests_configuration.h
                $<TARGET_OBJECTS:mock_gmm>
                $<TARGET_OBJECTS:neo_libult_common>

shared/test/unit_test/built_ins/sip_tests.cpp

@@ -26,7 +26,12 @@
 
 #include "common/StateSaveAreaHeader.h"
 
+#include <set>
+
 using namespace NEO;
+namespace NEO {
+extern std::set<std::string> virtualFileList;
+}
 
 struct RawBinarySipFixture : public DeviceFixture {
     void setUp() {
@@ -746,4 +751,4 @@ TEST_F(DebugBuiltinSipTest, givenDebuggerWhenInitSipKernelThenDbgSipIsLoadedFrom
     auto sipAllocation = SipKernel::getSipKernel(*pDevice, nullptr).getSipAllocation();
     EXPECT_NE(nullptr, sipAllocation);
     EXPECT_EQ(SipKernelMock::classType, SipClassType::builtins);
-}
+}

shared/test/unit_test/debug_settings/debug_settings_manager_tests.cpp

@@ -18,6 +18,7 @@
 #include "shared/test/common/utilities/base_object_utils.h"
 
 #include <cstdio>
+#include <fstream>
 #include <memory>
 #include <sstream>
 #include <string>
@@ -341,7 +342,10 @@ TEST(DebugSettingsManager, givenDisabledDebugManagerWhenCreateThenOnlyReleaseVar
     bool settingsFileExists = fileExists(SettingsReader::settingsFileName);
     if (!settingsFileExists) {
         const char data[] = "LogApiCalls = 1\nMakeAllBuffersResident = 1";
-        writeDataToFile(SettingsReader::settingsFileName, &data, sizeof(data));
+        std::ofstream file;
+        file.open(SettingsReader::settingsFileName);
+        file << data;
+        file.close();
     }
 
     SettingsReader *reader = SettingsReader::createFileReader();
@@ -355,7 +359,7 @@ TEST(DebugSettingsManager, givenDisabledDebugManagerWhenCreateThenOnlyReleaseVar
     EXPECT_EQ(0, debugManager.flags.LogApiCalls.get());
 
     if (!settingsFileExists) {
-        remove(SettingsReader::settingsFileName);
+        std::remove(SettingsReader::settingsFileName);
     }
 }
 
@@ -363,7 +367,10 @@ TEST(DebugSettingsManager, givenEnabledDebugManagerWhenCreateThenAllVariablesAre
     bool settingsFileExists = fileExists(SettingsReader::settingsFileName);
     if (!settingsFileExists) {
         const char data[] = "LogApiCalls = 1\nMakeAllBuffersResident = 1";
-        writeDataToFile(SettingsReader::settingsFileName, &data, sizeof(data));
+        std::ofstream file;
+        file.open(SettingsReader::settingsFileName);
+        file << data;
+        file.close();
     }
 
     SettingsReader *reader = SettingsReader::createFileReader();
@@ -377,7 +384,7 @@ TEST(DebugSettingsManager, givenEnabledDebugManagerWhenCreateThenAllVariablesAre
     EXPECT_EQ(1, debugManager.flags.LogApiCalls.get());
 
     if (!settingsFileExists) {
-        remove(SettingsReader::settingsFileName);
+        std::remove(SettingsReader::settingsFileName);
     }
 }
 

shared/test/unit_test/debug_settings/linux/debug_settings_manager_linux_tests.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -12,6 +12,7 @@
 #include "shared/test/common/mocks/mock_io_functions.h"
 #include "shared/test/common/test_macros/test.h"
 
+#include <fstream>
 #include <unordered_map>
 
 namespace NEO {
@@ -20,9 +21,11 @@ TEST(DebugSettingsManager, givenDisabledDebugManagerAndMockEnvVariableWhenCreate
     bool settingsFileExists = fileExists(SettingsReader::settingsFileName);
     if (!settingsFileExists) {
         const char data[] = "LogApiCalls = 1\nMakeAllBuffersResident = 1";
-        writeDataToFile(SettingsReader::settingsFileName, &data, sizeof(data));
+        std::ofstream file;
+        file.open(SettingsReader::settingsFileName);
+        file << data;
+        file.close();
     }
-
     SettingsReader *reader = SettingsReader::createFileReader();
     EXPECT_NE(nullptr, reader);
 

shared/test/unit_test/device_binary_format/device_binary_format_zebin_tests.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -14,6 +14,7 @@
 #include "shared/source/helpers/string.h"
 #include "shared/source/program/program_info.h"
 #include "shared/test/common/helpers/debug_manager_state_restore.h"
+#include "shared/test/common/helpers/mock_file_io.h"
 #include "shared/test/common/mocks/mock_modules_zebin.h"
 #include "shared/test/common/test_macros/test.h"
 
@@ -138,12 +139,12 @@ TEST(UnpackSingleDeviceBinaryZebin, givenDumpZEBinFlagSetWhenUnpackingZebinBinar
     EXPECT_FALSE(fileExists(fileNameInc));
 
     NEO::unpackSingleDeviceBinary<NEO::DeviceBinaryFormat::zebin>(ArrayRef<const uint8_t>::fromAny(&zebin, 1U), "", targetDevice, unpackErrors, unpackWarnings);
-    EXPECT_TRUE(fileExistsHasSize(fileName));
+    EXPECT_TRUE(virtualFileExists(fileName));
     NEO::unpackSingleDeviceBinary<NEO::DeviceBinaryFormat::zebin>(ArrayRef<const uint8_t>::fromAny(&zebin, 1U), "", targetDevice, unpackErrors, unpackWarnings);
-    EXPECT_TRUE(fileExistsHasSize(fileNameInc));
+    EXPECT_TRUE(virtualFileExists(fileNameInc));
 
-    std::remove(fileName.c_str());
-    std::remove(fileNameInc.c_str());
+    removeVirtualFile(fileName);
+    removeVirtualFile(fileNameInc);
 }
 
 TEST(UnpackSingleDeviceBinaryZebin, WhenValidBinaryForDifferentDeviceThenUnpackingFails) {

shared/test/unit_test/utilities/debug_settings_reader_tests.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2023 Intel Corporation
+ * Copyright (C) 2018-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -36,6 +36,15 @@ class MockSettingsReader : public SettingsReader {
     const char *appSpecificLocation(const std::string &name) override { return name.c_str(); };
 };
 
+namespace SettingsReaderTests {
+
+void writeDataToFile(const char *filename, const void *pData, size_t dataSize) {
+    std::ofstream file;
+    file.open(filename);
+    file.write(static_cast<const char *>(pData), dataSize);
+    file.close();
+}
+
 TEST(SettingsReader, WhenCreatingSettingsReaderThenReaderIsCreated) {
     auto reader = std::unique_ptr<SettingsReader>(SettingsReader::create(ApiSpecificConfig::getRegistryPath()));
     EXPECT_NE(nullptr, reader.get());
@@ -114,3 +123,4 @@ TEST(SettingsReader, GivenFalseWhenPrintingDebugStringThenNoOutput) {
     std::string output = testing::internal::GetCapturedStdout();
     EXPECT_STREQ(output.c_str(), "");
 }
+} // namespace SettingsReaderTests