libcryfs/test/cpp-utils/logging/LoggingTest.cpp

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#include "testutils/LoggingTest.h"
/*
* Contains test cases for the following logging interface:
* LOG(INFO) << "My log message"
*/
using namespace cpputils::logging;
using std::string;
using testing::MatchesRegex;
TEST_F(LoggingTest, DefaultLoggerIsStderr) {
string output = captureStderr([]{
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LOG(INFO) << "My log message";
});
EXPECT_THAT(output, MatchesRegex(".*\\[Log\\].*\\[info\\].*My log message.*"));
}
TEST_F(LoggingTest, SetLogger_NewLoggerIsUsed) {
setLogger(spdlog::stderr_logger_mt("MyTestLog2"));
string output = captureStderr([]{
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LOG(INFO) << "My log message";
});
EXPECT_THAT(output, MatchesRegex(".*\\[MyTestLog2\\].*\\[info\\].*My log message.*"));
}
TEST_F(LoggingTest, SetNonStderrLogger_LogsToNewLogger) {
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setLogger(mockLogger.get());
logger()->info() << "My log message";
EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message.*"));
}
TEST_F(LoggingTest, SetNonStderrLogger_DoesNotLogToStderr) {
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setLogger(mockLogger.get());
string output = captureStderr([] {
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logger()->info() << "My log message";
});
EXPECT_EQ("", output);
}
TEST_F(LoggingTest, InfoLog) {
setLogger(mockLogger.get());
LOG(INFO) << "My log message";
EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[info\\].*My log message.*"));
}
TEST_F(LoggingTest, WarningLog) {
setLogger(mockLogger.get());
LOG(WARN) << "My log message";
EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[warning\\].*My log message.*"));
}
TEST_F(LoggingTest, DebugLog) {
setLevel(DEBUG);
setLogger(mockLogger.get());
LOG(DEBUG) << "My log message";
EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[debug\\].*My log message.*"));
}
TEST_F(LoggingTest, ErrorLog) {
setLogger(mockLogger.get());
LOG(ERROR) << "My log message";
EXPECT_THAT(mockLogger.capturedLog(), MatchesRegex(".*\\[MockLogger\\].*\\[error\\].*My log message.*"));
}
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void logAndExit(const string &message) {
LOG(INFO) << message;
exit(1);
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}
// 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(
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logAndExit("My log message"),
::testing::ExitedWithCode(1),
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"My log message"
);
}