xgboost/tests/cpp/test_logging.cc
Jiaming Yuan c8c7b9649c
Fix and optimize logger (#4002)
* Fix logging switch statement.

* Remove debug_verbose_ in AllReducer.

* Don't construct the stream when not needed.

* Make default constructor deleted.

* Remove redundant IsVerbose.
2018-12-17 19:23:05 +08:00

58 lines
1.8 KiB
C++

#include <map>
#include <gtest/gtest.h>
#include <xgboost/logging.h>
namespace xgboost {
TEST(Logging, Basic) {
std::map<std::string, std::string> args {};
std::string output;
args["verbosity"] = "0"; // silent
ConsoleLogger::Configure(args.cbegin(), args.cend());
testing::internal::CaptureStderr();
LOG(DEBUG) << "Test silent.";
output = testing::internal::GetCapturedStderr();
ASSERT_EQ(output.length(), 0);
args["verbosity"] = "3"; // debug
ConsoleLogger::Configure(args.cbegin(), args.cend());
testing::internal::CaptureStderr();
LOG(WARNING) << "Test Log Warning.";
output = testing::internal::GetCapturedStderr();
ASSERT_NE(output.find("WARNING"), std::string::npos);
testing::internal::CaptureStderr();
LOG(INFO) << "Test Log Info.";
output = testing::internal::GetCapturedStderr();
ASSERT_NE(output.find("Test Log Info"), std::string::npos);
testing::internal::CaptureStderr();
LOG(DEBUG) << "Test Log Debug.";
output = testing::internal::GetCapturedStderr();
ASSERT_NE(output.find("DEBUG"), std::string::npos);
args["verbosity"] = "1"; // warning
ConsoleLogger::Configure(args.cbegin(), args.cend());
testing::internal::CaptureStderr();
LOG(INFO) << "INFO should not be displayed when set to warning.";
output = testing::internal::GetCapturedStderr();
ASSERT_EQ(output.size(), 0);
args["silent"] = "True";
ConsoleLogger::Configure(args.cbegin(), args.cend());
testing::internal::CaptureStderr();
LOG(INFO) << "Test silent parameter.";
output = testing::internal::GetCapturedStderr();
ASSERT_EQ(output.length(), 0);
testing::internal::CaptureStderr();
LOG(CONSOLE) << "Test Log Console"; // ignore global setting.
output = testing::internal::GetCapturedStderr();
ASSERT_NE(output.find("Test Log Console"), std::string::npos);
}
} // namespace xgboost