intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 57 insertions, 0 deletions

diff --git a/library/cpp/logger/rotating_file_ut.cpp b/library/cpp/logger/rotating_file_ut.cpp
new file mode 100644
index 0000000000..84966933d9
--- /dev/null
+++ b/library/cpp/logger/rotating_file_ut.cpp
@@ -0,0 +1,57 @@
+#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");
+    }
+}