libcryfs/test/cpp-utils/logging/LoggingTest.cpp
2021-12-11 23:06:01 +01:00

165 lines
7.4 KiB
C++

#include "testutils/LoggingTest.h"
#include <regex>
/*
* Contains test cases for the following logging interface:
* LOG(INFO, "My log message)"
*/
using namespace cpputils::logging;
using std::string;
// Disable the next tests for MSVC debug builds since writing to stderr doesn't seem to work well there
#if !defined(_MSC_VER) || NDEBUG
TEST_F(LoggingTest, DefaultLoggerIsStderr) {
string output = captureStderr([]{
LOG(INFO, "My log message");
cpputils::logging::flush();
});
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(output, MatchesRegex(".*\\[Log\\].*\\[info\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(output, std::regex(".*\\[Log\\].*\\[info\\].*My log message.*")));
}
TEST_F(LoggingTest, SetLogger_NewLoggerIsUsed) {
setLogger(spdlog::stderr_logger_mt("MyTestLog2"));
string output = captureStderr([]{
LOG(INFO, "My log message");
cpputils::logging::flush();
});
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(output, MatchesRegex(".*\\[MyTestLog2\\].*\\[info\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(output, std::regex(".*\\[MyTestLog2\\].*\\[info\\].*My log message.*")));
}
#endif
TEST_F(LoggingTest, SetNonStderrLogger_LogsToNewLogger) {
setLogger(mockLogger.get());
logger()->info("My log message");
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(output, MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[info\\].*My log message.*")));
}
TEST_F(LoggingTest, SetNonStderrLogger_DoesNotLogToStderr) {
setLogger(mockLogger.get());
string output = captureStderr([] {
logger()->info("My log message");
cpputils::logging::flush();
});
EXPECT_EQ("", output);
}
TEST_F(LoggingTest, InfoLog) {
setLogger(mockLogger.get());
LOG(INFO, "My log message");
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[info\\].*My log message.*")));
}
TEST_F(LoggingTest, WarningLog) {
setLogger(mockLogger.get());
LOG(WARN, "My log message");
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[warning\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[warning\\].*My log message.*")));
}
TEST_F(LoggingTest, DebugLog) {
setLevel(DEBUG);
setLogger(mockLogger.get());
LOG(DEBUG, "My log message");
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[debug\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[debug\\].*My log message.*")));
}
TEST_F(LoggingTest, ErrorLog) {
setLogger(mockLogger.get());
LOG(ERR, "My log message");
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[error\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[error\\].*My log message.*")));
}
void logAndExit(const string &message) {
LOG(INFO, message);
cpputils::logging::flush();
exit(1);
}
// fork() only forks the main thread. This test ensures that logging doesn't depend on threads that suddenly aren't
// there anymore after a fork().
TEST_F(LoggingTest, LoggingAlsoWorksAfterFork) {
setLogger(spdlog::stderr_logger_mt("StderrLogger"));
EXPECT_EXIT(
logAndExit("My log message"),
::testing::ExitedWithCode(1),
"My log message"
);
}
TEST_F(LoggingTest, MessageIsConstChar) {
setLogger(mockLogger.get());
LOG(INFO, "My log message");
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[info\\].*My log message.*")));
}
TEST_F(LoggingTest, MessageIsString) {
setLogger(mockLogger.get());
string msg = "My log message";
LOG(INFO, msg);
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[info\\].*My log message.*")));
}
TEST_F(LoggingTest, FormatWithStringPlaceholder) {
setLogger(mockLogger.get());
string str = "placeholder";
LOG(INFO, "My log message: {}", str);
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message: placeholder.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[info\\].*My log message: placeholder.*")));
}
TEST_F(LoggingTest, FormatWithConstCharPlaceholder) {
setLogger(mockLogger.get());
LOG(INFO, "My log message: {}", "placeholder");
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message: placeholder.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[info\\].*My log message: placeholder.*")));
}
TEST_F(LoggingTest, FormatWithIntPlaceholder) {
setLogger(mockLogger.get());
LOG(INFO, "My log message: {}", 4);
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message: 4.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[info\\].*My log message: 4.*")));
}
TEST_F(LoggingTest, FormatWithMultiplePlaceholders) {
setLogger(mockLogger.get());
LOG(INFO, "My log message: {}, {}, {}", 4, "then", true);
cpputils::logging::flush();
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
//EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message: 4, then, true.*"));
EXPECT_TRUE(std::regex_search(mockLogger.capturedLog(), std::regex(".*\\[MockLogger\\].*\\[info\\].*My log message: 4, then, true.*")));
}