cpp-logger/test/logger_test.cxx

//
//  logger_test.cxx
//  logger
//
//  Created by Sam Jaffe on 3/31/19.
//

#include "logger_test_obj.h"

#include "logger/logger.h"

using namespace logging;

namespace {
  struct t_logger : public logger {
    t_logger(std::string const & name, std::shared_ptr<logger_impl> impl)
        : logger(name, impl) {}
  };
}

TEST_F(LoggerTest, FlushesOnClose) {
  EXPECT_CALL(*appender, flush()).Times(1);
  t_logger("", pimpl);
}

TEST_F(LoggerTest, FlushesOnFlushCall) {
  EXPECT_CALL(*appender, flush()).Times(2);
  t_logger("", pimpl).flush();
}

TEST_F(LoggerTest, LogsWithBraceFmtCode) {
  using testing::_;
  EXPECT_CALL(*appender, write(MessageEq("5"), _)).Times(1);
  t_logger("", pimpl).log(level::error, "{}", 5);
}

TEST_F(LoggerTest, DoesNotLogAboveLevel) {
  using testing::_;
  pimpl->min_log_level = level::fatal;
  EXPECT_CALL(*appender, write(_, _)).Times(0);
  t_logger("", pimpl).log(level::error, "{}", 5);
}

TEST_F(LoggerTest, LogCurlyBraceLiteralByDoubling) {
  using testing::_;
  EXPECT_CALL(*appender, write(MessageEq("{}"), _)).Times(1);
  t_logger("", pimpl).log(level::error, "{{}}", 5);
}

MATCHER_P3(LocationInfoNear, file, line, function, "") {
  return !strcmp(arg.info.filename, file) &&
         !strcmp(arg.info.function, function) &&
         std::abs(arg.info.line - line) < 5;
}

TEST_F(LoggerTest, LogMacroInjectsLocationInfo) {
  using testing::_;
  auto near_this_line = LocationInfoNear(__FILE__, __LINE__, __FUNCTION__);
  EXPECT_CALL(*appender, write(near_this_line, _)).Times(1);
  t_logger log("", pimpl);
  log_message(log, error, "{}", 5);
}