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oceanbase/unittest/logservice/test_log_group_buffer.cpp

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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#include <gtest/gtest.h>
#include <random>
#include <string>
#include <pthread.h>
#define private public
#include "logservice/palf/log_group_buffer.h"
#include "logservice/palf/log_writer_utils.h"
#undef private
#include "share/rc/ob_tenant_base.h"
namespace oceanbase
{
using namespace common;
using namespace share;
using namespace palf;
namespace unittest
{
class TestLogGroupBuffer : public ::testing::Test
{
public:
TestLogGroupBuffer();
virtual ~TestLogGroupBuffer();
virtual void SetUp();
virtual void TearDown();
protected:
int64_t palf_id_;
LogGroupBuffer log_group_buffer_;
};
TestLogGroupBuffer::TestLogGroupBuffer()
: palf_id_(1)
{
}
TestLogGroupBuffer::~TestLogGroupBuffer()
{
}
void TestLogGroupBuffer::SetUp()
{
ObMallocAllocator::get_instance()->create_and_add_tenant_allocator(1001);
// init MTL
ObTenantBase tbase(1001);
ObTenantEnv::set_tenant(&tbase);
}
void TestLogGroupBuffer::TearDown()
{
PALF_LOG(INFO, "TestLogGroupBuffer has TearDown");
PALF_LOG(INFO, "TearDown success");
ObMallocAllocator::get_instance()->recycle_tenant_allocator(1001);
}
TEST_F(TestLogGroupBuffer, test_init)
{
LSN start_lsn;
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.init(start_lsn));
start_lsn.val_ = 0;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
EXPECT_EQ(OB_INIT_TWICE, log_group_buffer_.init(start_lsn));
}
TEST_F(TestLogGroupBuffer, test_get_buffer_pos)
{
LSN lsn;
int64_t start_pos = -1;
EXPECT_EQ(OB_NOT_INIT, log_group_buffer_.get_buffer_pos_(lsn, start_pos));
LSN start_lsn(100);
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.get_buffer_pos_(lsn, start_pos));
lsn.val_ = 50;
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.get_buffer_pos_(lsn, start_pos));
lsn.val_ = 110;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.get_buffer_pos_(lsn, start_pos));
EXPECT_EQ(10, start_pos);
}
TEST_F(TestLogGroupBuffer, test_can_handle_new_log)
{
LSN lsn;
int64_t len = 1024;
LSN reuse_lsn;
EXPECT_EQ(false, log_group_buffer_.can_handle_new_log(lsn, len, reuse_lsn));
LSN start_lsn(100);
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
reuse_lsn.val_ = 100;
EXPECT_EQ(false, log_group_buffer_.can_handle_new_log(lsn, len, reuse_lsn));
lsn.val_ = 200;
len = 0;
EXPECT_EQ(false, log_group_buffer_.can_handle_new_log(lsn, len, reuse_lsn));
len = 1024;
reuse_lsn.reset();
EXPECT_EQ(false, log_group_buffer_.can_handle_new_log(lsn, len, reuse_lsn));
reuse_lsn.val_ = 110;
lsn.val_ = start_lsn.val_ - 1;
EXPECT_EQ(false, log_group_buffer_.can_handle_new_log(lsn, len, reuse_lsn));
lsn.val_ = reuse_lsn.val_ + log_group_buffer_.get_available_buffer_size();
EXPECT_EQ(false, log_group_buffer_.can_handle_new_log(lsn, len, reuse_lsn));
lsn.val_ = start_lsn.val_;
EXPECT_EQ(true, log_group_buffer_.can_handle_new_log(lsn, len, reuse_lsn));
}
TEST_F(TestLogGroupBuffer, test_get_log_buf)
{
LSN lsn;
int64_t len = 0;
LogWriteBuf log_buf;
EXPECT_EQ(OB_NOT_INIT, log_group_buffer_.get_log_buf(lsn, len, log_buf));
LSN start_lsn(100);
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.get_log_buf(lsn, len, log_buf));
lsn.val_ = 100;
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.get_log_buf(lsn, len, log_buf));
len = 1024;
lsn.val_ = start_lsn.val_ - 1;
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.get_log_buf(lsn, len, log_buf));
lsn.val_ = start_lsn.val_;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.get_log_buf(lsn, len, log_buf));
}
TEST_F(TestLogGroupBuffer, test_fill)
{
LSN lsn;
char data[1024];
int64_t len = 0;
LSN reuse_lsn(1024);
EXPECT_EQ(OB_NOT_INIT, log_group_buffer_.fill(lsn, data, len));
LSN start_lsn(100);
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.fill(lsn, data, len));
lsn = start_lsn;
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.fill(lsn, NULL, len));
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.fill(lsn, data, len));
len = 100;
lsn.val_ = start_lsn.val_ - 1;
EXPECT_EQ(OB_ERR_UNEXPECTED, log_group_buffer_.fill(lsn, data, len));
lsn.val_ = reuse_lsn.val_ - len - 1;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.inc_update_reuse_lsn(reuse_lsn));
EXPECT_EQ(OB_ERR_UNEXPECTED, log_group_buffer_.fill(lsn, data, len));
lsn = reuse_lsn;
len = log_group_buffer_.get_available_buffer_size() + 10;
EXPECT_EQ(OB_EAGAIN, log_group_buffer_.fill(lsn, data, len));
len = 1024;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.fill(lsn, data, len));
int64_t used_size = len;
const int64_t buf_size = log_group_buffer_.get_available_buffer_size();
LSN buf_end_lsn = reuse_lsn + (buf_size - (reuse_lsn.val_ - start_lsn.val_));
while (lsn + len < buf_end_lsn) {
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.fill(lsn, data, len));
lsn.val_ += len;
}
EXPECT_GT(lsn + len, buf_end_lsn);
}
TEST_F(TestLogGroupBuffer, test_fill_padding)
{
LSN lsn;
int64_t len = 0;
LSN reuse_lsn(1024);
EXPECT_EQ(OB_NOT_INIT, log_group_buffer_.fill_padding_body(lsn, len));
LSN start_lsn(100);
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.fill_padding_body(lsn, len));
lsn = reuse_lsn;
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.fill_padding_body(lsn, len));
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.fill_padding_body(lsn, len));
len = 100;
lsn.val_ = start_lsn.val_ - 1;
EXPECT_EQ(OB_ERR_UNEXPECTED, log_group_buffer_.fill_padding_body(lsn, len));
lsn.val_ = start_lsn.val_;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.inc_update_reuse_lsn(reuse_lsn));
EXPECT_EQ(OB_ERR_UNEXPECTED, log_group_buffer_.fill_padding_body(lsn, len));
lsn = reuse_lsn;
len = log_group_buffer_.get_available_buffer_size() + 1;
EXPECT_EQ(OB_EAGAIN, log_group_buffer_.fill_padding_body(lsn, len));
len = 1024;
int64_t used_size = len;
const int64_t buf_size = log_group_buffer_.get_available_buffer_size();
LSN buf_end_lsn = reuse_lsn + (buf_size - (reuse_lsn.val_ - start_lsn.val_));
while (lsn + len < buf_end_lsn) {
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.fill_padding_body(lsn, len));
lsn.val_ += len;
}
EXPECT_GT(lsn + len, buf_end_lsn);
}
TEST_F(TestLogGroupBuffer, test_check_log_buf_wrapped)
{
LSN lsn;
int64_t len = 0;
bool is_wrapped = false;
EXPECT_EQ(OB_NOT_INIT, log_group_buffer_.check_log_buf_wrapped(lsn, len, is_wrapped));
LSN start_lsn(100);
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.check_log_buf_wrapped(lsn, len, is_wrapped));
lsn = start_lsn;
EXPECT_EQ(OB_INVALID_ARGUMENT, log_group_buffer_.check_log_buf_wrapped(lsn, len, is_wrapped));
len = 10;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.check_log_buf_wrapped(lsn, len, is_wrapped));
lsn = start_lsn - 1;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.check_log_buf_wrapped(lsn, len, is_wrapped));
lsn = start_lsn + 10;
len = 1024;
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.check_log_buf_wrapped(lsn, len, is_wrapped));
EXPECT_FALSE(is_wrapped);
len = log_group_buffer_.get_available_buffer_size();
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.check_log_buf_wrapped(lsn, len, is_wrapped));
EXPECT_TRUE(is_wrapped);
}
TEST_F(TestLogGroupBuffer, test_to_leader)
{
EXPECT_EQ(OB_NOT_INIT, log_group_buffer_.to_leader());
LSN start_lsn(100);
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.to_leader());
EXPECT_EQ(OB_STATE_NOT_MATCH, log_group_buffer_.to_leader());
}
TEST_F(TestLogGroupBuffer, test_to_follower)
{
EXPECT_EQ(OB_NOT_INIT, log_group_buffer_.to_follower());
LSN start_lsn(100);
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.init(start_lsn));
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.to_follower());
EXPECT_EQ(OB_SUCCESS, log_group_buffer_.to_follower());
}
} // END of unittest
} // end of oceanbase
int main(int argc, char **argv)
{
system("rm -rf ./test_log_group_buffer.log*");
OB_LOGGER.set_file_name("test_log_group_buffer.log", true);
OB_LOGGER.set_log_level("INFO");
PALF_LOG(INFO, "begin unittest::test_log_group_buffer");
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}