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#include "rotating_file.h"
#include "record.h"
#include <util/generic/string.h>
#include <util/system/fstat.h>
#include <util/system/fs.h>
#include <library/cpp/testing/unittest/registar.h>
#include <library/cpp/testing/unittest/tests_data.h>
Y_UNIT_TEST_SUITE(NewRotatingFileSuite) {
const TString PATH = GetWorkPath() + "/my.log";
Y_UNIT_TEST(TestFileWrite) {
TRotatingFileLogBackend log(PATH, 4000, 2);
TString data = "my data";
log.WriteData(TLogRecord(ELogPriority::TLOG_INFO, data.data(), data.size()));
UNIT_ASSERT_C(TFileStat(PATH).Size > 0, "file " << PATH << " has zero size");
}
Y_UNIT_TEST(TestFileRotate) {
const ui64 maxSize = 40;
TRotatingFileLogBackend log(PATH, maxSize, 2);
TStringBuilder data;
for (size_t i = 0; i < 10; ++i)
data << "data\n";
log.WriteData(TLogRecord(ELogPriority::TLOG_INFO, data.data(), data.size()));
UNIT_ASSERT_C(TFileStat(PATH).Size > 0, "file " << PATH << " has zero size");
data.clear();
data << "more data";
log.WriteData(TLogRecord(ELogPriority::TLOG_INFO, data.data(), data.size()));
UNIT_ASSERT_C(TFileStat(PATH).Size > 0, "file " << PATH << " has zero size");
UNIT_ASSERT_C(TFileStat(TStringBuilder{} << PATH << ".1").Size > 0, "file " << PATH << ".1 has zero size");
UNIT_ASSERT_C(TFileStat(PATH).Size < maxSize, "size of file " << PATH << " is greater than the size limit of " << maxSize << " bytes");
}
Y_UNIT_TEST(TestDoubleFileRotate) {
const ui64 maxSize = 40;
TRotatingFileLogBackend log(PATH, maxSize, 2);
TStringBuilder data;
for (size_t i = 0; i < 10; ++i)
data << "data\n";
log.WriteData(TLogRecord(ELogPriority::TLOG_INFO, data.data(), data.size()));
UNIT_ASSERT_C(TFileStat(PATH).Size > 0, "file " << PATH << " has zero size");
log.WriteData(TLogRecord(ELogPriority::TLOG_INFO, data.data(), data.size()));
UNIT_ASSERT_C(TFileStat(PATH).Size > 0, "file " << PATH << " has zero size");
UNIT_ASSERT_C(TFileStat(TStringBuilder{} << PATH << ".1").Size > 0, "file " << PATH << ".1 has zero size");
UNIT_ASSERT_C(TFileStat(PATH).Size > maxSize, "size of file " << PATH << " is lesser than was written");
data.clear();
data << "more data";
log.WriteData(TLogRecord(ELogPriority::TLOG_INFO, data.data(), data.size()));
UNIT_ASSERT_C(TFileStat(PATH).Size > 0, "file " << PATH << " has zero size");
UNIT_ASSERT_C(TFileStat(TStringBuilder{} << PATH << ".1").Size > 0, "file " << PATH << ".1 has zero size");
UNIT_ASSERT_C(TFileStat(TStringBuilder{} << PATH << ".2").Size > 0, "file " << PATH << ".2 has zero size");
UNIT_ASSERT_C(TFileStat(PATH).Size < maxSize, "size of file " << PATH << " is greater than the size limit of " << maxSize << " bytes");
}
}
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