fix: do not remove log file when logging disabled

- initialization of FileLogger always removed log file - this change only
removes old file when logging is enabled in current run

Resolves: NEO-7199

Signed-off-by: Mateusz Hoppe <[email protected]>

Author: HoppeMateusz

shared/source/utilities/logger.cpp

@@ -25,7 +25,9 @@ FileLogger<globalDebugFunctionalityLevel> &fileLoggerInstance() {
 template <DebugFunctionalityLevel DebugLevel>
 FileLogger<DebugLevel>::FileLogger(std::string filename, const DebugVariables &flags) {
     logFileName = std::move(filename);
-    std::remove(logFileName.c_str());
+    if (enabled()) {
+        std::remove(logFileName.c_str());
+    }
 
     dumpKernels = flags.DumpKernels.get();
     logApiCalls = flags.LogApiCalls.get();

shared/test/unit_test/utilities/logger_tests.cpp

@@ -126,6 +126,20 @@ TEST(FileLogger, GivenSameFileNameWhenCreatingNewInstanceThenOldFileIsRemoved) {
     EXPECT_FALSE(fileExists(fileLogger.getLogFileName()));
 }
 
+TEST(FileLogger, GivenSameFileNameWhenCreatingNewFullyDisabledLoggerThenOldFileIsNotRemoved) {
+    std::string testFile = "testfile";
+    DebugVariables flags;
+    flags.LogApiCalls.set(true);
+    FullyEnabledFileLogger fileLogger(testFile, flags);
+    fileLogger.useRealFiles(true);
+    fileLogger.writeToFile(fileLogger.getLogFileName(), "test", 4, std::fstream::out);
+
+    EXPECT_TRUE(fileExists(fileLogger.getLogFileName()));
+    FullyDisabledFileLogger fileLogger2(testFile, flags);
+    EXPECT_TRUE(fileExists(fileLogger.getLogFileName()));
+    std::remove(fileLogger.getLogFileName());
+}
+
 TEST(FileLogger, GivenFlagIsFalseWhenLoggingThenOnlyCustomLogsAreDumped) {
     std::string testFile = "testfile";
     DebugVariables flags;