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Refine the checks in InfoLogLevel test.

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Summary:
InfoLogLevel test now checks the number of lines of the output log file
instead of the number of bytes in the log file.

This diff fixes the issue that the previous InfoLogLevel test in
auto_roll_logger_test passed in make check but fails when valgrind
is used.

Test Plan: run with make check and valgrind.

Reviewers: kailiu

Reviewed By: kailiu

CC: leveldb

Differential Revision: https://reviews.facebook.net/D16407
This commit is contained in:
Yueh-Hsuan Chiang 2014-02-27 14:00:10 -08:00
parent ad0c3747cb
commit 9a7b74954f
1 changed files with 35 additions and 42 deletions
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77
util/auto_roll_logger_test.cc
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@ -5,12 +5,15 @@
//
#include <string>
#include <cmath>
#include <iostream>
#include <fstream>
#include <iterator>
#include <algorithm>
#include "util/testharness.h"
#include "util/auto_roll_logger.h"
#include "rocksdb/db.h"
#include <sys/stat.h>
#include <errno.h>
#include <iostream>
using namespace std;
@ -240,52 +243,42 @@ TEST(AutoRollLoggerTest, CreateLoggerFromOptions) {
TEST(AutoRollLoggerTest, InfoLogLevel) {
InitTestDb();
// the lengths of DEBUG, INFO, WARN, ERROR, FATAL respectively
const int kInfoLogLevelNameLens[5] = {5, 4, 4, 5, 5};
size_t log_size = 8192;
std::unique_ptr<AutoRollLogger> logger_guard(
new AutoRollLogger(Env::Default(), kTestDir, "", log_size, 0));
auto logger = logger_guard.get();
int message_length = kSampleMessage.length();
int log_length = 0;
int total_logname_length = 0;
for (int log_level = InfoLogLevel::FATAL; log_level >= InfoLogLevel::DEBUG;
log_level--) {
logger->SetInfoLogLevel((InfoLogLevel)log_level);
total_logname_length += kInfoLogLevelNameLens[log_level];
for (int log_type = InfoLogLevel::DEBUG; log_type <= InfoLogLevel::FATAL;
log_type++) {
// log messages with log level smaller than log_level will not be logged.
LogMessage((InfoLogLevel)log_type, logger, kSampleMessage.c_str());
int log_lines = 0;
// an extra-scope to force the AutoRollLogger to flush the log file when it
// becomes out of scope.
{
AutoRollLogger logger(Env::Default(), kTestDir, "", log_size, 0);
for (int log_level = InfoLogLevel::FATAL; log_level >= InfoLogLevel::DEBUG;
log_level--) {
logger.SetInfoLogLevel((InfoLogLevel)log_level);
for (int log_type = InfoLogLevel::DEBUG; log_type <= InfoLogLevel::FATAL;
log_type++) {
// log messages with log level smaller than log_level will not be
// logged.
LogMessage((InfoLogLevel)log_type, &logger, kSampleMessage.c_str());
}
log_lines += InfoLogLevel::FATAL - log_level + 1;
}
// 44 is the length of the message excluding the actual
// message and log name.
log_length += (message_length + 44) * (InfoLogLevel::FATAL - log_level + 1);
log_length += total_logname_length;
ASSERT_EQ(logger->GetLogFileSize(), log_length);
}
for (int log_level = InfoLogLevel::FATAL; log_level >= InfoLogLevel::DEBUG;
log_level--) {
logger.SetInfoLogLevel((InfoLogLevel)log_level);
// rerun the test but using different log functions.
total_logname_length = 0;
for (int log_level = InfoLogLevel::FATAL; log_level >= InfoLogLevel::DEBUG;
log_level--) {
logger->SetInfoLogLevel((InfoLogLevel)log_level);
total_logname_length += kInfoLogLevelNameLens[log_level];
// again, messages with level smaller than log_level will not be logged.
Debug(logger, "%s", kSampleMessage.c_str());
Info(logger, "%s", kSampleMessage.c_str());
Warn(logger, "%s", kSampleMessage.c_str());
Error(logger, "%s", kSampleMessage.c_str());
Fatal(logger, "%s", kSampleMessage.c_str());
// 44 is the length of the message excluding the actual
// message and log name.
log_length += (message_length + 44) * (InfoLogLevel::FATAL - log_level + 1);
log_length += total_logname_length;
ASSERT_EQ(logger->GetLogFileSize(), log_length);
// again, messages with level smaller than log_level will not be logged.
Debug(&logger, "%s", kSampleMessage.c_str());
Info(&logger, "%s", kSampleMessage.c_str());
Warn(&logger, "%s", kSampleMessage.c_str());
Error(&logger, "%s", kSampleMessage.c_str());
Fatal(&logger, "%s", kSampleMessage.c_str());
log_lines += InfoLogLevel::FATAL - log_level + 1;
}
}
std::ifstream inFile(AutoRollLoggerTest::kLogFile.c_str());
int lines = std::count(std::istreambuf_iterator<char>(inFile),
std::istreambuf_iterator<char>(), '\n');
ASSERT_EQ(log_lines, lines);
inFile.close();
}
int OldLogFileCount(const string& dir) {