g3log/test_unit/test_io.cpp
Kjell Hedström - seeking Senior Engineering roles as well as contract opportunities cf91227966
adding consistent and easy formatting (#508)
*  clang format configuration file replaces sublime Astyleformatter
* instructions added to pull request template
* code base re-formatted to be consistent throughout.
2023-11-30 16:17:45 -07:00

852 lines
33 KiB
C++

/** ==========================================================================re
* 2011 by KjellKod.cc. This is PUBLIC DOMAIN to use at your own risk and comes
* with no warranties. This code is yours to share, use and modify with no
* strings attached and no restrictions or obligations.
*
* For more information see g3log/LICENSE or refer refer to http://unlicense.org
* ============================================================================*/
#include <gtest/gtest.h>
#include "g3log/g3log.hpp"
#include "g3log/generated_definitions.hpp"
#include "g3log/loglevels.hpp"
#include "g3log/logworker.hpp"
#include "testing_helpers.h"
#include <algorithm>
#include <chrono>
#include <cstdio>
#include <exception>
#include <iomanip>
#include <memory>
#include <string>
#include <thread>
namespace {
const std::string log_directory = "./";
const std::string t_info = "test INFO ";
const std::string t_info2 = "test INFO 123";
const std::string t_debug = "test DEBUG ";
const std::string t_debug3 = "test DEBUG 1.123456";
const std::string t_warning = "test WARNING ";
const std::string t_warning3 = "test WARNING yello";
std::atomic<size_t> g_fatal_counter = {0};
void fatalCounter() {
++g_fatal_counter;
}
} // end anonymous namespace
using namespace testing_helpers;
/// THIS MUST BE THE FIRST UNIT TEST TO RUN! If any unit test run before this
/// one then it could fail. For dynamic levels all levels are turned on only AT
/// instantiation so we do different test for dynamic logging levels
///
/// TODO : (gtest issue)
///Move out to separate unit test binary to ensure reordering of tests does not happen
#ifdef G3_DYNAMIC_LOGGING
TEST(Initialization, No_Logger_Initialized___LevelsAreONByDefault) {
EXPECT_FALSE(g3::internal::isLoggingInitialized());
EXPECT_TRUE(g3::logLevel(G3LOG_DEBUG));
EXPECT_TRUE(g3::logLevel(INFO));
EXPECT_TRUE(g3::logLevel(WARNING));
EXPECT_TRUE(g3::logLevel(FATAL));
EXPECT_EQ(G3LOG_DEBUG.value, 100);
EXPECT_EQ(INFO.value, 300);
EXPECT_EQ(WARNING.value, 500);
EXPECT_EQ(FATAL.value, 1000);
EXPECT_EQ(g3::internal::CONTRACT.value, 2000);
}
TEST(Initialization, No_Logger_Initialized___Expecting_LOG_calls_to_be_Still_OKish) {
EXPECT_FALSE(g3::internal::isLoggingInitialized());
EXPECT_TRUE(g3::logLevel(INFO));
EXPECT_TRUE(g3::logLevel(FATAL));
EXPECT_TRUE(g3::logLevel(G3LOG_DEBUG));
EXPECT_TRUE(g3::logLevel(WARNING));
std::string err_msg1 = "Hey. I am not instantiated but I still should not crash. (I am g3log)";
std::string err_msg3_ignored = "This uninitialized message should be ignored";
try {
LOG(INFO) << err_msg1; // nothing happened. level not ON
LOG(INFO) << err_msg3_ignored; // nothing happened. level not ON
} catch (std::exception& e) {
ADD_FAILURE() << "Should never have thrown even if it is not instantiated. Ignored exception: " << e.what();
}
RestoreFileLogger logger(log_directory); // now instantiate the logger
std::string good_msg1 = "This message could have pulled in the uninitialized_call message";
LOG(INFO) << good_msg1;
auto content = logger.resetAndRetrieveContent(); // this synchronizes with the LOG(INFO) call if debug level would be ON.
ASSERT_TRUE(verifyContent(content, err_msg1)) << "Content: [" << content << "]";
ASSERT_FALSE(verifyContent(content, err_msg3_ignored)) << "Content: [" << content << "]";
ASSERT_TRUE(verifyContent(content, good_msg1)) << "Content: [" << content << "]";
}
#else
TEST(Initialization, No_Logger_Initialized___Expecting_LOG_calls_to_be_Still_OKish) {
EXPECT_FALSE(g3::internal::isLoggingInitialized());
EXPECT_TRUE(g3::logLevel(INFO));
EXPECT_TRUE(g3::logLevel(FATAL));
EXPECT_TRUE(g3::logLevel(G3LOG_DEBUG));
EXPECT_TRUE(g3::logLevel(WARNING));
std::string err_msg1 = "Hey. I am not instantiated but I still should not crash. (I am g3log)";
std::string err_msg3_ignored = "This uninitialized message should be ignored";
try {
LOG(INFO) << err_msg1;
LOG(INFO) << err_msg3_ignored;
} catch (std::exception& e) {
ADD_FAILURE() << "Should never have thrown even if it is not instantiated: " << e.what();
}
RestoreFileLogger logger(log_directory); // now instantiate the logger
std::string good_msg1 = "This message will pull in also the uninitialized_call message";
LOG(INFO) << good_msg1;
auto content = logger.resetAndRetrieveContent(); // this synchronizes with the LOG(INFO) call.
ASSERT_TRUE(verifyContent(content, err_msg1)) << "Content: [" << content << "]";
ASSERT_FALSE(verifyContent(content, err_msg3_ignored)) << "Content: [" << content << "]";
ASSERT_TRUE(verifyContent(content, good_msg1)) << "Content: [" << content << "]";
}
#endif // #ifdef G3_DYNAMIC_LOGGING
TEST(Basics, Levels_StdFind) {
std::vector<LEVELS> levels = {INFO, WARNING, FATAL};
auto info = INFO;
auto warning = WARNING;
auto debug = DEBUG;
auto found_info = std::find(levels.begin(), levels.end(), info);
EXPECT_TRUE(found_info != levels.end());
bool wasFound = (levels.end() != std::find(levels.begin(), levels.end(), info));
EXPECT_TRUE(wasFound);
auto wasNotFound = (levels.end() == std::find(levels.begin(), levels.end(), debug));
EXPECT_TRUE(wasNotFound);
auto foundWarningIterator = std::find(levels.begin(), levels.end(), WARNING);
EXPECT_TRUE(foundWarningIterator != levels.end());
foundWarningIterator = std::find(levels.begin(), levels.end(), warning);
EXPECT_TRUE(foundWarningIterator != levels.end());
auto wasNotFoundIterator = std::find(levels.begin(), levels.end(), DEBUG);
EXPECT_FALSE(wasNotFoundIterator != levels.end());
}
TEST(Basics, Levels_Operator) {
auto info = INFO;
auto warning = WARNING;
EXPECT_NE(INFO, WARNING);
EXPECT_EQ(info, INFO);
EXPECT_TRUE(INFO == INFO);
EXPECT_FALSE(info == WARNING);
EXPECT_TRUE(info != WARNING);
EXPECT_FALSE(info != INFO);
}
TEST(Basics, Shutdown) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
LOG(INFO) << "First message buffered, then flushed";
LOG(INFO) << "Second message still in the buffer";
LOG(INFO) << "Not yet shutdown. This message should make it";
logger.reset(); // force flush of logger (which will trigger a shutdown)
LOG(INFO) << "Logger is shutdown,. this message will not make it (but it's safe to try)";
file_content = readFileToText(logger.logFile()); // logger is already reset
SCOPED_TRACE("LOG_INFO"); // Scope exit be prepared for destructor failure
}
EXPECT_TRUE(verifyContent(file_content, "First message buffered, then flushed"));
EXPECT_TRUE(verifyContent(file_content, "Second message still in the buffer"));
EXPECT_TRUE(verifyContent(file_content, "Not yet shutdown. This message should make it"));
EXPECT_FALSE(verifyContent(file_content, "Logger is shutdown,. this message will not make it (but it's safe to try)"));
}
TEST(Basics, Shutdownx2) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
LOG(INFO) << "Not yet shutdown. This message should make it";
logger.reset(); // force flush of logger (which will trigger a shutdown)
g3::internal::shutDownLogging(); // already called in reset, but safe to call again
LOG(INFO) << "Logger is shutdown,. this message will not make it (but it's safe to try)";
file_content = readFileToText(logger.logFile()); // already reset
SCOPED_TRACE("LOG_INFO"); // Scope exit be prepared for destructor failure
}
EXPECT_TRUE(verifyContent(file_content, "Not yet shutdown. This message should make it"));
EXPECT_FALSE(verifyContent(file_content, "Logger is shutdown,. this message will not make it (but it's safe to try)"));
}
TEST(Basics, ShutdownActiveLogger) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
LOG(INFO) << "Not yet shutdown. This message should make it";
EXPECT_TRUE(g3::internal::shutDownLoggingForActiveOnly(logger._scope->get()));
LOG(INFO) << "Logger is shutdown,. this message will not make it (but it's safe to try)";
file_content = logger.resetAndRetrieveContent();
SCOPED_TRACE("LOG_INFO"); // Scope exit be prepared for destructor failure
}
EXPECT_TRUE(verifyContent(file_content, "Not yet shutdown. This message should make it")) << "\n\n\n***************************\n"
<< file_content;
EXPECT_FALSE(verifyContent(file_content, "Logger is shutdown,. this message will not make it (but it's safe to try)"));
}
TEST(Basics, DoNotShutdownActiveLogger) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
LOG(INFO) << "Not yet shutdown. This message should make it";
std::unique_ptr<g3::LogWorker> duplicateLogWorker{g3::LogWorker::createLogWorker()};
EXPECT_FALSE(g3::internal::shutDownLoggingForActiveOnly(duplicateLogWorker.get()));
LOG(INFO) << "Logger is (NOT) shutdown,. this message WILL make it";
file_content = logger.resetAndRetrieveContent();
SCOPED_TRACE("LOG_INFO"); // Scope exit be prepared for destructor failure
}
EXPECT_TRUE(verifyContent(file_content, "Not yet shutdown. This message should make it"));
EXPECT_TRUE(verifyContent(file_content, "Logger is (NOT) shutdown,. this message WILL make it")) << file_content;
}
TEST(LOGTest, LOG) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
EXPECT_TRUE(g3::logLevel(INFO));
EXPECT_TRUE(g3::logLevel(FATAL));
LOG(INFO) << "test LOG(INFO)";
logger.reset(); // force flush of logger
file_content = readFileToText(logger.logFile());
SCOPED_TRACE("LOG_INFO"); // Scope exit be prepared for destructor failure
}
EXPECT_TRUE(verifyContent(file_content, "test LOG(INFO)"));
EXPECT_TRUE(g3::logLevel(INFO));
EXPECT_TRUE(g3::logLevel(FATAL));
}
// printf-type log
TEST(LogTest, LOG_F) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
std::cout << "logfilename: " << logger.logFile() << std::flush << std::endl;
LOGF(INFO, std::string(t_info + "%d").c_str(), 123);
LOGF(G3LOG_DEBUG, std::string(t_debug + "%f").c_str(), 1.123456);
LOGF(WARNING, std::string(t_warning + "%s").c_str(), "yello");
logger.reset(); // force flush of logger
file_content = readFileToText(logger.logFile());
SCOPED_TRACE("LOG_INFO"); // Scope exit be prepared for destructor failure
}
ASSERT_TRUE(verifyContent(file_content, t_info2));
ASSERT_TRUE(verifyContent(file_content, t_debug3));
ASSERT_TRUE(verifyContent(file_content, t_warning3));
}
// stream-type log
TEST(LogTest, LOG) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
LOG(INFO) << t_info << 123;
LOG(G3LOG_DEBUG) << t_debug << std::setprecision(7) << 1.123456f;
LOG(WARNING) << t_warning << "yello";
logger.reset(); // force flush of logger
file_content = readFileToText(logger.logFile());
SCOPED_TRACE("LOG_INFO"); // Scope exit be prepared for destructor failure
}
ASSERT_TRUE(verifyContent(file_content, t_info2));
ASSERT_TRUE(verifyContent(file_content, t_debug3));
ASSERT_TRUE(verifyContent(file_content, t_warning3));
}
TEST(LogTest, LOG_after_if) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
if (false == file_content.empty())
LOG(INFO) << "This-should-NOT-show-up";
else
LOG(INFO) << "This-should-show-up";
logger.reset(); // force flush of logger
file_content = readFileToText(logger.logFile());
}
ASSERT_FALSE(verifyContent(file_content, "This-should-NOT-show-up"));
ASSERT_TRUE(verifyContent(file_content, "This-should-show-up"));
}
TEST(LogTest, LOG_after_if_with_parentesis) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
if (false == file_content.empty()) {
LOG(INFO) << "This-should-NOT-show-up";
} else {
LOG(INFO) << "This-should-show-up";
}
logger.reset(); // force flush of logger
file_content = readFileToText(logger.logFile());
}
ASSERT_FALSE(verifyContent(file_content, "This-should-NOT-show-up"));
ASSERT_TRUE(verifyContent(file_content, "This-should-show-up"));
}
TEST(LogTest, LOG_F_IF) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
LOGF_IF(INFO, (2 == 2), std::string(t_info + "%d").c_str(), 123);
LOGF_IF(G3LOG_DEBUG, (2 != 2), std::string(t_debug + "%f").c_str(), 1.123456);
logger.reset(); // force flush of logger
file_content = readFileToText(logger.logFile());
SCOPED_TRACE("LOG_IF"); // Scope exit be prepared for destructor failure
}
ASSERT_TRUE(verifyContent(file_content, t_info2));
ASSERT_FALSE(verifyContent(file_content, t_debug3));
}
TEST(LogTest, LOG_IF) {
std::string file_content;
{
RestoreFileLogger logger(log_directory);
LOG_IF(INFO, (2 == 2)) << t_info << 123;
LOG_IF(G3LOG_DEBUG, (2 != 2)) << t_debug << std::setprecision(7) << 1.123456f;
logger.reset(); // force flush of logger
file_content = readFileToText(logger.logFile());
SCOPED_TRACE("LOG_IF"); // Scope exit be prepared for destructor failure
}
EXPECT_TRUE(verifyContent(file_content, t_info2));
EXPECT_FALSE(verifyContent(file_content, t_debug3));
}
TEST(LogTest, LOGF__FATAL) {
RestoreFileLogger logger(log_directory);
ASSERT_FALSE(mockFatalWasCalled());
LOGF(FATAL, "This message should throw %d", 0);
EXPECT_TRUE(mockFatalWasCalled());
EXPECT_TRUE(verifyContent(mockFatalMessage(), "EXIT trigger caused by "));
EXPECT_TRUE(verifyContent(mockFatalMessage(), "This message should throw 0")) << "\n****" << mockFatalMessage();
EXPECT_TRUE(verifyContent(mockFatalMessage(), "FATAL"));
auto file_content = logger.resetAndRetrieveContent();
EXPECT_TRUE(verifyContent(file_content, "This message should throw 0")) << "\n****" << file_content;
EXPECT_TRUE(verifyContent(file_content, "FATAL"));
}
#ifndef DISABLE_FATAL_SIGNALHANDLING
TEST(LogTest, FatalSIGTERM__UsingDefaultHandler) {
RestoreFileLogger logger(log_directory);
g_fatal_counter.store(0);
g3::setFatalPreLoggingHook(fatalCounter);
raise(SIGTERM);
logger.reset();
EXPECT_EQ(g_fatal_counter.load(), size_t{1});
}
#if !(defined(WIN32) || defined(_WIN32) || defined(__WIN32__))
namespace {
std::atomic<size_t> customFatalCounter = {0};
std::atomic<int> lastEncounteredSignal = {0};
void customSignalHandler(int signal_number, siginfo_t* info, void* unused_context) {
lastEncounteredSignal.store(signal_number);
++customFatalCounter;
}
void installCustomSIGTERM() {
struct sigaction action;
memset(&action, 0, sizeof(action));
sigemptyset(&action.sa_mask);
action.sa_sigaction = &customSignalHandler;
action.sa_flags = SA_SIGINFO;
sigaction(SIGTERM, &action, nullptr);
}
std::atomic<bool> oldSigTermCheck = {false};
void customOldSignalHandler(int signal_number, siginfo_t* info, void* unused_context) {
lastEncounteredSignal.store(signal_number);
oldSigTermCheck.store(true);
}
void installCustomOldSIGTERM() {
struct sigaction action;
memset(&action, 0, sizeof(action));
sigemptyset(&action.sa_mask);
action.sa_sigaction = &customOldSignalHandler;
action.sa_flags = SA_SIGINFO;
sigaction(SIGTERM, &action, nullptr);
}
} // namespace
// Override of signal handling and testing of it should be fairly easy to port to windows
// ref: https://github.com/KjellKod/g3log/blob/master/src/crashhandler_windows.cpp
// what is missing is the override of signals and custom installation of signals
// ref: https://github.com/KjellKod/g3log/blob/master/src/crashhandler_unix.cpp
// functions: void restoreFatalHandlingToDefault()
// void overrideSetupSignals(const std::map<int, std::string> overrideSignals)
// void restoreSignalHandler(int signal_number)
//
// It would require some adding of unit test (see the test below)
// and good Windows experience. Since I am not currently working much on the Windows
// side I am reaching out to the community for this one:
//
//
// For the test to work the following code should be added in this test
//void customSignalHandler(int signal_number) {
// lastEncounteredSignal.store(signal_number);
// ++customFatalCounter;
//}
//
//void installCustomSIGTERM() {
// ASSERT_TRUE(SIG_ERR != signal(SIGTERM, customSignalHandler));
//}
TEST(LogTest, FatalSIGTERM__UsingCustomHandler) {
RestoreFileLogger logger(log_directory);
g_fatal_counter.store(0);
g3::setFatalPreLoggingHook(fatalCounter);
installCustomSIGTERM();
g3::overrideSetupSignals({{SIGABRT, "SIGABRT"}, {SIGFPE, "SIGFPE"}, {SIGILL, "SIGILL"}});
installCustomSIGTERM();
EXPECT_EQ(customFatalCounter.load(), size_t{0});
EXPECT_EQ(lastEncounteredSignal.load(), 0);
raise(SIGTERM);
logger.reset();
EXPECT_EQ(g_fatal_counter.load(), size_t{0});
EXPECT_EQ(lastEncounteredSignal.load(), SIGTERM);
EXPECT_EQ(customFatalCounter.load(), size_t{1});
}
TEST(LogTest, FatalSIGTERM__VerifyingOldCustomHandler) {
RestoreFileLogger logger(log_directory);
g_fatal_counter.store(0);
customFatalCounter.store(0);
lastEncounteredSignal.store(0);
g3::setFatalPreLoggingHook(fatalCounter);
installCustomOldSIGTERM();
g3::overrideSetupSignals({{SIGABRT, "SIGABRT"}, {SIGFPE, "SIGFPE"}, {SIGILL, "SIGILL"}, {SIGTERM, "SIGTERM"}});
g3::restoreSignalHandler(SIGTERM); // revert SIGTERM installation
EXPECT_EQ(customFatalCounter.load(), size_t{0});
EXPECT_EQ(lastEncounteredSignal.load(), 0);
EXPECT_FALSE(oldSigTermCheck.load());
raise(SIGTERM);
logger.reset();
EXPECT_EQ(g_fatal_counter.load(), size_t{0});
EXPECT_EQ(lastEncounteredSignal.load(), SIGTERM);
EXPECT_TRUE(oldSigTermCheck.load());
}
#endif
#endif
TEST(LogTest, LOG_preFatalLogging_hook) {
{
RestoreFileLogger logger(log_directory);
ASSERT_FALSE(mockFatalWasCalled());
g_fatal_counter.store(0);
g3::setFatalPreLoggingHook(fatalCounter);
LOG(FATAL) << "This message is fatal";
logger.reset();
EXPECT_EQ(g_fatal_counter.load(), size_t{1});
}
{
// Now with no fatal pre-logging-hook
RestoreFileLogger logger(log_directory);
ASSERT_FALSE(mockFatalWasCalled());
g_fatal_counter.store(0);
LOG(FATAL) << "This message is fatal";
EXPECT_EQ(g_fatal_counter.load(), size_t{0});
}
}
TEST(LogTest, LOG_FATAL) {
RestoreFileLogger logger(log_directory);
ASSERT_FALSE(mockFatalWasCalled());
LOG(FATAL) << "This message is fatal";
EXPECT_TRUE(mockFatalWasCalled());
EXPECT_TRUE(verifyContent(mockFatalMessage(), "EXIT trigger caused by "));
EXPECT_TRUE(verifyContent(mockFatalMessage(), "This message is fatal"))
<< "\ncontent: [[" << mockFatalMessage() << "]]";
EXPECT_TRUE(verifyContent(mockFatalMessage(), "FATAL"));
logger.reset();
std::string file_content = readFileToText(logger.logFile());
EXPECT_TRUE(verifyContent(file_content, "This message is fatal"));
EXPECT_TRUE(verifyContent(file_content, "FATAL"));
EXPECT_TRUE(verifyContent(file_content, "EXIT trigger caused by "));
}
TEST(LogTest, LOGF_IF__FATAL) {
RestoreFileLogger logger(log_directory);
EXPECT_FALSE(mockFatalWasCalled());
LOGF_IF(FATAL, (2 < 3), "This message %s be worse", "could");
EXPECT_TRUE(mockFatalWasCalled());
EXPECT_TRUE(verifyContent(mockFatalMessage(), "EXIT trigger caused by ")) << "\n"
<< mockFatalMessage();
EXPECT_TRUE(verifyContent(mockFatalMessage(), "FATAL"));
EXPECT_TRUE(verifyContent(mockFatalMessage(), "This message could be worse"));
logger.reset();
std::string file_content = readFileToText(logger.logFile());
EXPECT_TRUE(verifyContent(file_content, "EXIT trigger caused by "));
EXPECT_TRUE(verifyContent(file_content, "FATAL"));
EXPECT_TRUE(verifyContent(file_content, "This message could be worse"));
}
TEST(LogTest, LOG_IF__FATAL) {
RestoreFileLogger logger(log_directory);
LOG_IF(WARNING, (0 != t_info.compare(t_info))) << "This message should NOT be written";
EXPECT_FALSE(mockFatalWasCalled());
LOG_IF(FATAL, (0 != t_info.compare(t_info2))) << "This message should throw. xyz ";
EXPECT_TRUE(mockFatalWasCalled());
EXPECT_TRUE(verifyContent(mockFatalMessage(), "EXIT trigger caused by "));
EXPECT_TRUE(verifyContent(mockFatalMessage(), "FATAL"));
EXPECT_TRUE(verifyContent(mockFatalMessage(), "This message should throw. xyz "));
logger.reset();
std::string file_content = readFileToText(logger.logFile());
EXPECT_TRUE(verifyContent(file_content, "EXIT trigger caused by "));
EXPECT_TRUE(verifyContent(file_content, "FATAL"));
EXPECT_TRUE(verifyContent(file_content, "This message should throw. xyz "));
}
TEST(LogTest, LOG_IF__FATAL__NO_THROW) {
RestoreFileLogger logger(log_directory);
LOG_IF(FATAL, (2 > 3)) << "This message%sshould NOT throw";
ASSERT_FALSE(mockFatalWasCalled());
}
// CHECK_F
TEST(CheckTest, CHECK_F__thisWILL_PrintErrorMsg) {
RestoreFileLogger logger(log_directory);
EXPECT_TRUE(mockFatalMessage().empty());
EXPECT_FALSE(mockFatalWasCalled());
CHECK(1 == 2);
EXPECT_FALSE(mockFatalMessage().empty());
EXPECT_TRUE(mockFatalWasCalled());
logger.reset();
std::string file_content = readFileToText(logger.logFile());
EXPECT_TRUE(verifyContent(mockFatalMessage(), "EXIT trigger caused by "));
EXPECT_TRUE(verifyContent(file_content, "CONTRACT")) << "**** " << mockFatalMessage();
}
TEST(CHECK_F_Test, CHECK_F__thisWILL_PrintErrorMsg) {
RestoreFileLogger logger(log_directory);
std::string msg = "This message is added to throw %s and %s";
std::string arg1 = "message";
std::string arg3 = "log";
CHECK_F(1 >= 2, msg.c_str(), arg1.c_str(), arg3.c_str());
logger.reset();
std::string file_content = readFileToText(logger.logFile());
EXPECT_TRUE(verifyContent(mockFatalMessage(), "EXIT trigger caused by "));
EXPECT_TRUE(verifyContent(file_content, "CONTRACT"));
}
TEST(CHECK_Test, CHECK__thisWILL_PrintErrorMsg) {
RestoreFileLogger logger(log_directory);
std::string msg = "This message is added to throw message and log";
CHECK(1 >= 2) << msg;
logger.reset();
std::string file_content = readFileToText(logger.logFile());
EXPECT_TRUE(verifyContent(mockFatalMessage(), "EXIT trigger caused by "));
EXPECT_TRUE(verifyContent(file_content, "CONTRACT"));
EXPECT_TRUE(verifyContent(file_content, msg));
}
TEST(CHECK, CHECK_ThatWontThrow) {
RestoreFileLogger logger(log_directory);
std::string msg = "This %s should never appear in the %s";
std::string msg3 = "This message should never appear in the log";
CHECK(1 == 1);
CHECK_F(1 == 1, msg.c_str(), "message", "log");
logger.reset();
EXPECT_FALSE(mockFatalWasCalled());
std::string file_content = readFileToText(logger.logFile());
EXPECT_FALSE(verifyContent(file_content, msg3));
EXPECT_FALSE(verifyContent(mockFatalMessage(), msg3));
}
TEST(CHECK, CHECK_runtimeError) {
RestoreFileLogger logger(log_directory);
g3::setFatalExitHandler([](g3::FatalMessagePtr msg) {
throw std::runtime_error("fatal test handler");
});
class dynamic_int_array {
std::unique_ptr<int[]> data_;
const int size_;
public:
explicit dynamic_int_array(int size) :
data_{std::make_unique<int[]>(size)},
size_(size) {}
int& at(int i) {
CHECK(i < size_);
// unreachable if i >= size_
return data_[i];
}
};
dynamic_int_array arr{3};
EXPECT_THROW(arr.at(3) = 1, std::runtime_error);
}
TEST(CustomLogLevels, AddANonFatal) {
RestoreFileLogger logger(log_directory);
const LEVELS MYINFO{WARNING.value + 1, {"MY_INFO_LEVEL"}};
#ifdef G3_DYNAMIC_LOGGING
g3::only_change_at_initialization::addLogLevel(MYINFO, true);
#endif
// clang-format off
LOG(MYINFO) << "Testing my own custom level"; auto line = __LINE__;
// clang-format on
logger.reset();
std::string file_content = readFileToText(logger.logFile());
std::string expected;
expected += "MY_INFO_LEVEL [test_io.cpp->" + std::string(G3LOG_PRETTY_FUNCTION) + ":" + std::to_string(line);
EXPECT_TRUE(verifyContent(file_content, expected)) << file_content
<< "\n\nExpected: \n"
<< expected;
}
TEST(CustomLogLevels, AddFatal) {
RestoreFileLogger logger(log_directory);
const LEVELS DEADLY{FATAL.value + 1, {"DEADLY"}};
EXPECT_TRUE(g3::internal::wasFatal(DEADLY));
g_fatal_counter.store(0);
ASSERT_FALSE(mockFatalWasCalled());
g3::setFatalPreLoggingHook(fatalCounter);
#ifdef G3_DYNAMIC_LOGGING
g3::only_change_at_initialization::addLogLevel(DEADLY, true);
#endif
// clang-format off
LOG(DEADLY) << "Testing my own custom level"; auto line = __LINE__;
// clang-format on
logger.reset();
ASSERT_TRUE(mockFatalWasCalled());
EXPECT_EQ(size_t{1}, g_fatal_counter.load());
std::string file_content = readFileToText(logger.logFile());
std::string expected;
expected += "DEADLY [test_io.cpp->" + std::string(G3LOG_PRETTY_FUNCTION) + ":" + std::to_string(line);
EXPECT_TRUE(verifyContent(file_content, expected)) << file_content
<< "\n\nExpected: \n"
<< expected;
g_fatal_counter.store(0); // restore
}
#ifdef G3_DYNAMIC_LOGGING
namespace {
// Restore dynamic levels if turned off
struct RestoreDynamicLoggingLevels {
RestoreDynamicLoggingLevels(){};
~RestoreDynamicLoggingLevels() {
g3::only_change_at_initialization::reset();
g3::only_change_at_initialization::addLogLevel(G3LOG_DEBUG, false);
g3::only_change_at_initialization::addLogLevel(INFO, false);
g3::only_change_at_initialization::addLogLevel(WARNING, false);
g3::only_change_at_initialization::addLogLevel(FATAL, false);
}
};
} // namespace
TEST(CustomLogLevels, AddANonFatal__ThenReset) {
RestoreFileLogger logger(log_directory);
const LEVELS MYINFO{WARNING.value + 2, {"MY_INFO_LEVEL"}};
EXPECT_FALSE(g3::logLevel(MYINFO));
g3::only_change_at_initialization::addLogLevel(MYINFO, true);
EXPECT_TRUE(g3::logLevel(MYINFO));
g3::only_change_at_initialization::reset();
EXPECT_FALSE(g3::logLevel(MYINFO));
}
TEST(CustomLogLevels, AddANonFatal__DidNotAddItToEnabledValue1) {
RestoreFileLogger logger(log_directory);
const LEVELS MYINFO{WARNING.value + 2, {"MY_INFO_LEVEL"}};
// clang-format off
LOG(MYINFO) << "Testing my own custom level"; auto line = __LINE__;
// clang-format on
logger.reset();
std::string file_content = readFileToText(logger.logFile());
std::string expected;
expected += "MY_INFO_LEVEL [test_io.cpp:" + std::to_string(line);
EXPECT_FALSE(verifyContent(file_content, expected)) << file_content
<< "\n\nExpected: \n"
<< expected << "\nLevels:\n"
<< g3::log_levels::to_string();
}
TEST(CustomLogLevels, AddANonFatal__DidNotAddItToEnabledValue2) {
RestoreFileLogger logger(log_directory);
const LEVELS MYINFO{WARNING.value + 2, {"MY_INFO_LEVEL"}};
EXPECT_FALSE(g3::logLevel(MYINFO));
// clang-format off
LOG(MYINFO) << "Testing my own custom level"; auto line = __LINE__;
// clang-format on
logger.reset();
std::string file_content = readFileToText(logger.logFile());
std::string expected;
expected += "MY_INFO_LEVEL [test_io.cpp:" + std::to_string(line);
EXPECT_FALSE(verifyContent(file_content, expected)) << file_content
<< "\n\nExpected: \n"
<< expected << "\nLevels:\n"
<< g3::log_levels::to_string();
}
TEST(CustomLogLevels, AddANonFatal__DidtAddItToEnabledValue) {
RestoreFileLogger logger(log_directory);
const LEVELS MYINFO{WARNING.value + 3, {"MY_INFO_LEVEL"}};
g3::only_change_at_initialization::addLogLevel(MYINFO, true);
// clang-format off
LOG(MYINFO) << "Testing my own custom level"; auto line = __LINE__;
// clang-format on
logger.reset();
std::string file_content = readFileToText(logger.logFile());
std::string expected;
expected += "MY_INFO_LEVEL [test_io.cpp->" + std::string(G3LOG_PRETTY_FUNCTION) + ":" + std::to_string(line);
EXPECT_TRUE(verifyContent(file_content, expected)) << file_content
<< "\n\nExpected: \n"
<< expected;
}
TEST(DynamicLogging, DynamicLogging_IS_ENABLED) {
RestoreDynamicLoggingLevels raiiLevelRestore;
ASSERT_TRUE(g3::logLevel(G3LOG_DEBUG));
ASSERT_TRUE(g3::logLevel(INFO));
ASSERT_TRUE(g3::logLevel(WARNING));
ASSERT_TRUE(g3::logLevel(FATAL)); // Yes FATAL can be turned off. Thereby rendering it ineffective.
g3::only_change_at_initialization::addLogLevel(G3LOG_DEBUG, false);
ASSERT_FALSE(g3::logLevel(G3LOG_DEBUG));
ASSERT_TRUE(g3::logLevel(INFO));
ASSERT_TRUE(g3::logLevel(WARNING));
ASSERT_TRUE(g3::logLevel(FATAL)); // Yes FATAL can be turned off. Thereby rendering it ineffective.
g3::only_change_at_initialization::addLogLevel(INFO, false);
ASSERT_FALSE(g3::logLevel(G3LOG_DEBUG));
ASSERT_FALSE(g3::logLevel(INFO));
ASSERT_TRUE(g3::logLevel(WARNING));
ASSERT_TRUE(g3::logLevel(FATAL)); // Yes FATAL can be turned off. Thereby rendering it ineffective.
g3::only_change_at_initialization::addLogLevel(WARNING, false);
ASSERT_FALSE(g3::logLevel(G3LOG_DEBUG));
ASSERT_FALSE(g3::logLevel(INFO));
ASSERT_FALSE(g3::logLevel(WARNING));
ASSERT_TRUE(g3::logLevel(FATAL)); // Yes FATAL can be turned off. Thereby rendering it ineffective.
g3::only_change_at_initialization::addLogLevel(FATAL, false);
ASSERT_FALSE(g3::logLevel(G3LOG_DEBUG));
ASSERT_FALSE(g3::logLevel(INFO));
ASSERT_FALSE(g3::logLevel(WARNING));
ASSERT_FALSE(g3::logLevel(FATAL)); // Yes FATAL can be turned off. Thereby rendering it ineffective.
}
TEST(DynamicLogging, DynamicLogging_No_Logs_If_Disabled) {
{
RestoreFileLogger logger(log_directory);
ASSERT_TRUE(g3::logLevel(G3LOG_DEBUG));
ASSERT_TRUE(g3::logLevel(INFO));
ASSERT_TRUE(g3::logLevel(WARNING));
ASSERT_TRUE(g3::logLevel(FATAL));
}
RestoreDynamicLoggingLevels raiiLevelRestore;
std::string msg_debugOn = "This %s SHOULD appear in the %s";
std::string msg_debugOff = "This message should never appear in the log";
try {
{
RestoreFileLogger logger(log_directory);
LOGF(G3LOG_DEBUG, msg_debugOn.c_str(), "msg", "log");
auto content = logger.resetAndRetrieveContent();
ASSERT_TRUE(verifyContent(content, "This msg SHOULD appear in the log")) << "Content: [" << content << "]";
}
{
RestoreFileLogger logger(log_directory);
g3::only_change_at_initialization::addLogLevel(G3LOG_DEBUG, false);
EXPECT_FALSE(g3::logLevel(G3LOG_DEBUG));
LOG(G3LOG_DEBUG) << msg_debugOff;
auto content = logger.resetAndRetrieveContent();
ASSERT_FALSE(verifyContent(content, "This message should never appear in the log")) << "Content: [" << content << "]";
}
} catch (std::exception const& e) {
ADD_FAILURE() << "Should never have thrown: " << e.what();
}
}
TEST(DynamicLogging, DynamicLogging_No_Fatal_If_Disabled) {
RestoreFileLogger logger(log_directory);
RestoreDynamicLoggingLevels raiiLevelRestore;
ASSERT_TRUE(g3::logLevel(G3LOG_DEBUG));
ASSERT_TRUE(g3::logLevel(INFO));
ASSERT_TRUE(g3::logLevel(WARNING));
ASSERT_TRUE(g3::logLevel(FATAL));
std::string msg1 = "This IS fatal (not crash, since it is unit test";
LOG(FATAL) << msg1;
EXPECT_TRUE(mockFatalWasCalled());
EXPECT_FALSE(mockFatalMessage().empty());
EXPECT_TRUE(verifyContent(mockFatalMessage(), msg1));
clearMockFatal();
EXPECT_FALSE(mockFatalWasCalled());
g3::only_change_at_initialization::addLogLevel(FATAL, false);
std::string msg3 = "This is NOT fatal (not crash, since it is unit test. FATAL is disabled";
LOG(FATAL) << msg3;
EXPECT_FALSE(mockFatalWasCalled());
EXPECT_TRUE(mockFatalMessage().empty());
}
TEST(DynamicLogging, DynamicLogging_Check_WillAlsoBeTurnedOffWhen_Fatal_Is_Disabled) {
RestoreFileLogger logger(log_directory);
RestoreDynamicLoggingLevels raiiLevelRestore;
ASSERT_TRUE(g3::logLevel(FATAL));
std::string msg1 = "dummy message to check if CHECK worked when fatal is enabled";
std::string msg3 = "dummy message to check if CHECK worked when fatal is disabled";
LOG(FATAL) << msg1;
EXPECT_TRUE(mockFatalWasCalled());
EXPECT_TRUE(verifyContent(mockFatalMessage(), msg1));
clearMockFatal();
EXPECT_FALSE(mockFatalWasCalled());
// Disable also CHECK calls
g3::only_change_at_initialization::addLogLevel(FATAL, false);
ASSERT_FALSE(g3::logLevel(FATAL));
LOG(FATAL) << msg3;
EXPECT_FALSE(mockFatalWasCalled());
}
#else
TEST(DynamicLogging, DynamicLogging_IS_NOT_ENABLED) {
ASSERT_TRUE(g3::logLevel(G3LOG_DEBUG));
//g3::addLogLevel(G3LOG_DEBUG, false); this line will not compile since G3_DYNAMIC_LOGGING is not enabled. Kept for show.
//ASSERT_FALSE(g3::logLevel(G3LOG_DEBUG));
}
#endif // Dynamic logging