ceph/src/rocksdb/logging/event_logger_test.cc

   1 //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
   2 //  This source code is licensed under both the GPLv2 (found in the
   3 //  COPYING file in the root directory) and Apache 2.0 License
   4 //  (found in the LICENSE.Apache file in the root directory).
   5
   6 #include "logging/event_logger.h"
   7
   8 #include <string>
   9
  10 #include "test_util/testharness.h"
  11
  12 namespace ROCKSDB_NAMESPACE {
  13
  14 class EventLoggerTest : public testing::Test {};
  15
  16 class StringLogger : public Logger {
  17  public:
  18   using Logger::Logv;
  19   void Logv(const char* format, va_list ap) override {
  20     vsnprintf(buffer_, sizeof(buffer_), format, ap);
  21   }
  22   char* buffer() { return buffer_; }
  23
  24  private:
  25   char buffer_[1000];
  26 };
  27
  28 TEST_F(EventLoggerTest, SimpleTest) {
  29   StringLogger logger;
  30   EventLogger event_logger(&logger);
  31   event_logger.Log() << "id" << 5 << "event"
  32                      << "just_testing";
  33   std::string output(logger.buffer());
  34   ASSERT_TRUE(output.find("\"event\": \"just_testing\"") != std::string::npos);
  35   ASSERT_TRUE(output.find("\"id\": 5") != std::string::npos);
  36   ASSERT_TRUE(output.find("\"time_micros\"") != std::string::npos);
  37 }
  38
  39 }  // namespace ROCKSDB_NAMESPACE
  40
  41 int main(int argc, char** argv) {
  42   ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
  43   ::testing::InitGoogleTest(&argc, argv);
  44   return RUN_ALL_TESTS();
  45 }