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rocksdb/util/event_logger_test.cc

43 lines
1.2 KiB

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#include <string>
#include "util/event_logger.h"
#include "util/testharness.h"
namespace rocksdb {
class EventLoggerTest : public testing::Test {};
class StringLogger : public Logger {
public:
using Logger::Logv;
virtual void Logv(const char* format, va_list ap) override {
vsnprintf(buffer_, sizeof(buffer_), format, ap);
}
char* buffer() { return buffer_; }
private:
char buffer_[1000];
};
TEST_F(EventLoggerTest, SimpleTest) {
StringLogger logger;
EventLogger event_logger(&logger);
event_logger.Log() << "id" << 5 << "event"
<< "just_testing";
std::string output(logger.buffer());
ASSERT_TRUE(output.find("\"event\": \"just_testing\"") != std::string::npos);
ASSERT_TRUE(output.find("\"id\": 5") != std::string::npos);
ASSERT_TRUE(output.find("\"time_micros\"") != std::string::npos);
}
} // namespace rocksdb
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}