aboutsummaryrefslogtreecommitdiffstats
path: root/library/cpp/logger/rotating_file_ut.cpp
blob: 6cfa41da803cc287c7a71e6a6d26cd6557e8dedd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
#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");
    } 
}