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oceanbase/unittest/logservice/test_ob_election.cpp
obdev 50024b39cd [FEAT MERGE] log4100 branch 
Co-authored-by: tino247 <tino247@126.com>
Co-authored-by: BinChenn <binchenn.bc@gmail.com>
Co-authored-by: HaHaJeff <jeffzhouhhh@gmail.com>
2023-01-28 18:17:32 +08:00

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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 "lib/list/ob_dlist.h"
#include "logservice/palf/election/interface/election_msg_handler.h"
#include <algorithm>
#include <chrono>
#include <gtest/gtest.h>
#include <gmock/gmock.h>
#define private public
#define protected public
#include "logservice/palf/election/interface/election.h"
#include "logservice/palf/log_meta_info.h"
#define UNITTEST
#include "logservice/palf/election/utils/election_common_define.h"
#include "logservice/palf/election/algorithm/election_impl.h"
#include "logservice/leader_coordinator/election_priority_impl/election_priority_impl.h"
#include "share/ob_occam_timer.h"
#include "share/rc/ob_tenant_base.h"
#include "mock_logservice_container/mock_election_user.h"
#include <iostream>
#include <vector>
using namespace oceanbase::obrpc;
using namespace std;
#define SUCC_(stmt) ASSERT_EQ((stmt), OB_SUCCESS)
#define FAIL_(stmt) ASSERT_EQ((stmt), OB_FAIL)
#define TRUE_(stmt) ASSERT_EQ((stmt), true)
#define FALSE_(stmt) ASSERT_EQ((stmt), false)
namespace oceanbase {
namespace palf
{
namespace election
{
int EventRecorder::report_event_(ElectionEventType, const common::ObString &)
{
return OB_SUCCESS;
}
}
}
namespace unittest {
using namespace common;
using namespace palf::election;
using namespace std;
using namespace logservice::coordinator;
int64_t MSG_DELAY = 1_ms;
std::atomic_int leader_takeover_times(0);
std::atomic_int leader_revoke_times(0);
std::atomic_int devote_to_be_leader_count(0);
std::atomic_int lease_expired_to_be_follower_count(0);
std::atomic_int change_leader_to_be_leader_count(0);
std::atomic_int change_leader_to_be_follower_count(0);
std::atomic_int stop_to_be_follower_count(0);
MockNetService GlobalNetService;
ObOccamThreadPool thread_pool;
ObOccamTimer timer;
void reset_global_status()
{
leader_takeover_times = 0;
leader_revoke_times = 0;
devote_to_be_leader_count = 0;
lease_expired_to_be_follower_count = 0;
change_leader_to_be_leader_count = 0;
change_leader_to_be_follower_count = 0;
stop_to_be_follower_count = 0;
}
class TestElection : public ::testing::Test {
public:
TestElection() {}
~TestElection() {}
virtual void SetUp() {
MAX_TST = 750_ms;
share::ObTenantSwitchGuard guard;
guard.switch_to(OB_SYS_TENANT_ID);
GlobalNetService.clear();
reset_global_status();
new(&thread_pool) ObOccamThreadPool();
new(&timer) ObOccamTimer();
thread_pool.init_and_start(5);
timer.init_and_start(thread_pool, 1_ms, "timer");
}
virtual void TearDown() { timer.~ObOccamTimer(); thread_pool.~ObOccamThreadPool(); }
};
template <typename TAKEOVER_OP>
vector<ElectionImpl *> create_election_group(const int election_num, const vector<uint64_t> &allowed_be_leader, TAKEOVER_OP &&op)
{
if (allowed_be_leader.size() != election_num) {
abort();
}
vector<ElectionImpl *> v;
MemberList member_list;
ObArray<ObAddr> addr_list;
static int port = 1;
for (int i = 0; i < election_num; ++i)
addr_list.push_back(ObAddr(ObAddr::VER::IPV4, "127.0.0.1", port + i));
palf::LogConfigVersion version;
version.proposal_id_ = 1;
version.config_seq_ = 1;
member_list.set_new_member_list(addr_list, version, election_num);
int ret = OB_SUCCESS;
for (int i = 0; i < election_num; ++i) {
ElectionImpl *election = new ElectionImpl();
election->self_addr_ = ObAddr(ObAddr::VER::IPV4, "127.0.0.1", port + i);
v.push_back(election);
}
for (auto &election_1 : v) {
for (auto &election_2 : v) {
GlobalNetService.connect(election_1, election_2);
}
}
int index = 0;
for (auto &election : v) {
ret = election->init_and_start(
1,
&timer,
&GlobalNetService,
ObAddr(ObAddr::VER::IPV4, "127.0.0.1", port + index),
allowed_be_leader[index],
1,
[](const int64_t, const ObAddr &){ return OB_SUCCESS; },
[op](Election *election, ObRole before, ObRole after, RoleChangeReason reason) {
if (before == ObRole::FOLLOWER && after == ObRole::LEADER) {
ELECT_LOG(INFO, "i become LEADER", K(obj_to_string(reason)), KPC(election));
op();
} else if (before == ObRole::LEADER && after == ObRole::FOLLOWER) {
ELECT_LOG(INFO, "i become FOLLOWER", K(obj_to_string(reason)), KPC(election));
} else {
ELECT_LOG(ERROR, "i don't know why call me");
}
switch (reason) {
case RoleChangeReason::DevoteToBeLeader:
devote_to_be_leader_count++;
leader_takeover_times++;
break;
case RoleChangeReason::LeaseExpiredToRevoke:
lease_expired_to_be_follower_count++;
leader_revoke_times++;
break;
case RoleChangeReason::ChangeLeaderToBeLeader:
change_leader_to_be_leader_count++;
leader_takeover_times++;
break;
case RoleChangeReason::ChangeLeaderToRevoke:
change_leader_to_be_follower_count++;
leader_revoke_times++;
break;
case RoleChangeReason::StopToRevoke:
stop_to_be_follower_count++;
leader_revoke_times++;
break;
default:
ELECT_LOG(ERROR, "should not go here");
}
}
);
index++;
assert(ret == OB_SUCCESS);
ret = election->set_memberlist(member_list);
assert(ret == OB_SUCCESS);
}
port += election_num;
return v;
}
TEST_F(TestElection, 3replica_disconnect_leader) {
auto election_list = create_election_group(3, {0, 0, 0}, [](){});
this_thread::sleep_for(chrono::seconds(7));
ELECT_LOG(INFO, "disconnect leader");
GlobalNetService.disconnect_two_side(election_list[0], election_list[1]);
GlobalNetService.disconnect_two_side(election_list[0], election_list[2]);
this_thread::sleep_for(chrono::seconds(14));
for (auto iter = election_list.rbegin(); iter != election_list.rend(); ++iter)
(*iter)->stop();
this_thread::sleep_for(chrono::seconds(2));
for (auto &election_ : election_list)
delete election_;
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 2);
ASSERT_EQ(devote_to_be_leader_count, 2);
ASSERT_EQ(lease_expired_to_be_follower_count, 1);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 1);
}
void calculate_and_print_max_min_average(const vector<int64_t> &leader_takeover_time,
const vector<int64_t> &disconnect_leader_time,
int64_t &min,
int64_t &max,
int64_t &average)
{
vector<int64_t> diffs;
int group_size = leader_takeover_time.size();
for (int i = 0; i < group_size; ++i) {
diffs.push_back(leader_takeover_time[i] - disconnect_leader_time[i]);
}
int64_t min_idx = 0, max_idx = 0;
for (int i = 0; i < group_size; ++i) {
if (diffs[i] > max) {
max = diffs[i];
max_idx = i;
}
if (diffs[i] < min) {
min = diffs[i];
min_idx = i;
}
average += diffs[i];
}
average /= group_size;
ELECT_LOG(INFO, "no leader info summary", K(min), K(min_idx), K(max), K(max_idx), K(average));
}
// TEST_F(TestElection, test_no_leader_time_with_400ms_msg_delay) {
// MAX_TST = 1_s;
// MSG_DELAY = 900_ms;
// vector<vector<ElectionImpl *>> all_election_group;
// vector<int64_t> disconnect_leader_time;
// vector<int64_t> leader_takeover_time;
// int64_t group_size = 50;
// disconnect_leader_time.resize(group_size);
// leader_takeover_time.resize(group_size);
// for (int i = 0; i < group_size; ++i) {// 创建多个paxos组，并行测试以节约时间
// int64_t *leader_takeover_ts = &leader_takeover_time[i];
// auto op = [leader_takeover_ts](){ *leader_takeover_ts = get_monotonic_ts(); };
// all_election_group.push_back(create_election_group(3, op));
// }
// this_thread::sleep_for(chrono::seconds(10));// 等待选出所有group的第一任Leader
// ASSERT_EQ(leader_takeover_times, group_size);
// for (int i = 0; i < group_size; ++i) {// 将这些group的leader网络断联
// this_thread::sleep_for(std::chrono::microseconds(MAX_TST / group_size));
// ELECT_LOG(INFO, "disconnect leader", K(i), KPC(all_election_group[i][0]));
// disconnect_leader_time[i] = get_monotonic_ts();
// GlobalNetService.disconnect_two_side(all_election_group[i][0], all_election_group[i][1]);
// GlobalNetService.disconnect_two_side(all_election_group[i][0], all_election_group[i][2]);
// }
// this_thread::sleep_for(chrono::seconds(10));// 等待选出所有group的新Leader
// for (auto &group : all_election_group)
// for (auto &election : group)
// election->stop();
// this_thread::sleep_for(chrono::seconds(5));// 等待网络中的消息处理完毕
// for (auto &group : all_election_group)
// for (auto &election : group)
// delete election;
// ASSERT_EQ(leader_takeover_times, 2 * group_size);
// ASSERT_EQ(leader_revoke_times, 2 * group_size);
// ASSERT_EQ(devote_to_be_leader_count, 2 * group_size);
// ASSERT_EQ(lease_expired_to_be_follower_count, 1 * group_size);
// ASSERT_EQ(change_leader_to_be_leader_count, 0);
// ASSERT_EQ(change_leader_to_be_follower_count, 0);
// ASSERT_EQ(stop_to_be_follower_count, 1 * group_size);
// int64_t min = INT64_MAX, max = 0, average = 0;
// calculate_and_print_max_min_average(leader_takeover_time, disconnect_leader_time,
// min, max, average);
// // see: https://yuque.antfin.com/ob/transaction/auf9pn
// int64_t expected_min = 4 * MAX_TST + 3 * MSG_DELAY - (0.5 * MAX_TST - MSG_DELAY);
// int64_t expected_max = 4 * (MAX_TST + MSG_DELAY);
// int64_t expected_average = 4 * MAX_TST + 3.5 * MSG_DELAY - 0.5 * (0.5 * MAX_TST - MSG_DELAY);
// // 计算偏差率
// double min_diff_percentage = std::abs(expected_min - min) * 100.0 / expected_min;
// double max_diff_percentage = std::abs(expected_max - max) * 100.0 / expected_max;
// double average_diff_percentage = std::abs(expected_average - average) * 100.0 / expected_average;
// char print_buf[1024] = {0};
// int64_t pos = 0;
// databuff_printf(print_buf, 1024, pos, "min_diff_percentage=%.2f%%, max_diff_percentage=%.2f%%, average_diff_percentage=%.2f%%", min_diff_percentage, max_diff_percentage, average_diff_percentage);
// ELECT_LOG(INFO, "diff percentage summary", K(print_buf));
// // 测试值与理论计算公式的预期值偏差在5%以内(实际上误差在0.5%以内，但是为了单测稳定把阈值调大)
// ASSERT_NEAR(min, expected_min, expected_min * 0.05);
// ASSERT_NEAR(max, expected_max, expected_max * 0.05);
// ASSERT_NEAR(average, expected_average, expected_average * 0.05);
// MSG_DELAY = 1_ms;
// }
// TEST_F(TestElection, test_no_leader_time_with_1ms_msg_delay) {
// MAX_TST = 1_s;
// MSG_DELAY = 1_ms;
// vector<vector<ElectionImpl *>> all_election_group;
// vector<int64_t> disconnect_leader_time;
// vector<int64_t> leader_takeover_time;
// int64_t group_size = 50;
// disconnect_leader_time.resize(group_size);
// leader_takeover_time.resize(group_size);
// for (int i = 0; i < group_size; ++i) {// 创建多个paxos组，并行测试以节约时间
// int64_t *leader_takeover_ts = &leader_takeover_time[i];
// auto op = [leader_takeover_ts](){ *leader_takeover_ts = get_monotonic_ts(); };
// all_election_group.push_back(create_election_group(3, op));
// }
// this_thread::sleep_for(chrono::seconds(10));// 等待选出所有group的第一任Leader
// for (int i = 0; i < group_size; ++i) {// 将这些group的leader网络断联
// this_thread::sleep_for(std::chrono::microseconds(MAX_TST / group_size));
// ELECT_LOG(INFO, "disconnect leader", K(i), KPC(all_election_group[i][0]));
// disconnect_leader_time[i] = get_monotonic_ts();
// GlobalNetService.disconnect_two_side(all_election_group[i][0], all_election_group[i][1]);
// GlobalNetService.disconnect_two_side(all_election_group[i][0], all_election_group[i][2]);
// }
// this_thread::sleep_for(chrono::seconds(5));// 等待选出所有group的新Leader
// for (auto &group : all_election_group)
// for (auto &election : group)
// election->stop();
// this_thread::sleep_for(chrono::seconds(1));// 等待网络中的消息处理完毕
// for (auto &group : all_election_group)
// for (auto &election : group)
// delete election;
// ASSERT_EQ(leader_takeover_times, 2 * group_size);
// ASSERT_EQ(leader_revoke_times, 2 * group_size);
// ASSERT_EQ(devote_to_be_leader_count, 2 * group_size);
// ASSERT_EQ(lease_expired_to_be_follower_count, 1 * group_size);
// ASSERT_EQ(change_leader_to_be_leader_count, 0);
// ASSERT_EQ(change_leader_to_be_follower_count, 0);
// ASSERT_EQ(stop_to_be_follower_count, 1 * group_size);
// int64_t min = INT64_MAX, max = 0, average = 0;
// calculate_and_print_max_min_average(leader_takeover_time, disconnect_leader_time,
// min, max, average);
// // see: https://yuque.antfin.com/ob/transaction/auf9pn
// int64_t expected_min = 4 * MAX_TST + 3 * MSG_DELAY - (0.5 * MAX_TST - MSG_DELAY);
// int64_t expected_max = 4 * (MAX_TST + MSG_DELAY);
// int64_t expected_average = 4 * MAX_TST + 3.5 * MSG_DELAY - 0.5 * (0.5 * MAX_TST - MSG_DELAY);
// // 计算偏差率
// double min_diff_percentage = std::abs(expected_min - min) * 100.0 / expected_min;
// double max_diff_percentage = std::abs(expected_max - max) * 100.0 / expected_max;
// double average_diff_percentage = std::abs(expected_average - average) * 100.0 / expected_average;
// char print_buf[1024] = {0};
// int64_t pos = 0;
// databuff_printf(print_buf, 1024, pos, "min_diff_percentage=%.2f%%, max_diff_percentage=%.2f%%, average_diff_percentage=%.2f%%", min_diff_percentage, max_diff_percentage, average_diff_percentage);
// ELECT_LOG(INFO, "diff percentage summary", K(print_buf));
// // 测试值与理论计算公式的预期值偏差在5%以内(实际上误差在0.5%以内，但是为了单测稳定把阈值调大)
// ASSERT_NEAR(min, expected_min, expected_min * 0.05);
// ASSERT_NEAR(max, expected_max, expected_max * 0.05);
// ASSERT_NEAR(average, expected_average, expected_average * 0.05);
// MSG_DELAY = 1_ms;
// }
TEST_F(TestElection, 1replica_elect_leader) {
auto election_list = create_election_group(1, {0}, [](){});
this_thread::sleep_for(chrono::seconds(7));
for (auto &election_ : election_list)
election_->stop();
this_thread::sleep_for(chrono::seconds(2));
for (auto &election_ : election_list)
delete election_;
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 1);
}
TEST_F(TestElection, change_leader) {
auto election_list = create_election_group(3, {0, 0, 0}, [](){});
this_thread::sleep_for(chrono::seconds(7));
ASSERT_EQ(election_list[0]->change_leader_to(ObAddr(ObAddr::VER::IPV4, "127.0.0.1", 2)), OB_SUCCESS);
ELECT_LOG(INFO, "call change leader");
this_thread::sleep_for(chrono::seconds(1));
for (auto iter = election_list.rbegin(); iter != election_list.rend(); ++iter)
(*iter)->stop();
this_thread::sleep_for(chrono::seconds(2));
for (auto &election_ : election_list)
delete election_;
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 2);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 1);
}
TEST_F(TestElection, config_vresion_not_same_and_wont_split_vote) {
auto election_list = create_election_group(3, {0, 0, 0}, [](){});
MemberList member_list;
ObArray<ObAddr> addr_list;
int port = 1;
for (int i = 0; i < 3; ++i)
addr_list.push_back(ObAddr(ObAddr::VER::IPV4, "127.0.0.1", port + i));
for (int i = 0; i < 3; ++i) {
palf::LogConfigVersion version;
assert(OB_SUCCESS == version.generate(2, i));
member_list.set_new_member_list(addr_list, version, 3);
int ret = election_list[i]->set_memberlist(member_list);
assert(OB_SUCCESS == ret);
}
this_thread::sleep_for(chrono::seconds(10));
for (auto iter = election_list.rbegin(); iter != election_list.rend(); ++iter)
(*iter)->stop();
this_thread::sleep_for(chrono::seconds(2));
for (auto &election_ : election_list)
delete election_;
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 1);
}
TEST_F(TestElection, change_member_concurrent_with_change_leader) {
auto election_list = create_election_group(3, {0, 0, 0}, [](){});
this_thread::sleep_for(chrono::seconds(7));
ASSERT_EQ(election_list[0]->change_leader_to(ObAddr(ObAddr::VER::IPV4, "127.0.0.1", 200)), OB_SUCCESS);
ELECT_LOG(INFO, "call change leader, but dest addr not in member list");
this_thread::sleep_for(chrono::seconds(1));
for (auto iter = election_list.rbegin(); iter != election_list.rend(); ++iter)
(*iter)->stop();
this_thread::sleep_for(chrono::seconds(2));
for (auto &election_ : election_list)
delete election_;
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 2);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 1);
}
TEST_F(TestElection, not_allowed_smallest_ip_be_leader) {
auto election_list = create_election_group(3, {1, 0, 0}, [](){});
for (auto &election_1 : election_list) {
for (auto &election_2 : election_list) {
GlobalNetService.connect(election_1, election_2);
}
}
this_thread::sleep_for(chrono::seconds(7));
ObRole role;
int64_t _;
election_list[1]->get_role(role, _);
ASSERT_EQ(role, ObRole::LEADER);
for (auto iter = election_list.rbegin(); iter != election_list.rend(); ++iter)
(*iter)->stop();
this_thread::sleep_for(chrono::seconds(2));
for (auto &election_ : election_list)
delete election_;
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 1);
}
TEST_F(TestElection, inner_priority_seed_not_valid_when_membership_version_not_equal) {
auto election_list = create_election_group(3, {0, 1, 2}, [](){});
MemberList member_list;
ObArray<ObAddr> addr_list;
int port = 1;
for (int i = 0; i < 3; ++i)
addr_list.push_back(ObAddr(ObAddr::VER::IPV4, "127.0.0.1", port + i));
for (int i = 0; i < 3; ++i) {
palf::LogConfigVersion version;
assert(OB_SUCCESS == version.generate(2, i));
member_list.set_new_member_list(addr_list, version, 3);
int ret = election_list[i]->set_memberlist(member_list);
assert(OB_SUCCESS == ret);
}
for (auto &election_1 : election_list) {
for (auto &election_2 : election_list) {
GlobalNetService.connect(election_1, election_2);
}
}
this_thread::sleep_for(chrono::seconds(7));
ObRole role;
int64_t _;
election_list[2]->get_role(role, _);
ASSERT_EQ(role, ObRole::LEADER);
for (auto iter = election_list.rbegin(); iter != election_list.rend(); ++iter)
(*iter)->stop();
this_thread::sleep_for(chrono::seconds(2));
for (auto &election_ : election_list)
delete election_;
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 1);
}
TEST_F(TestElection, inner_priority_seed_valid_when_membership_version_equal) {
auto election_list = create_election_group(3, {3, 2, 1}, [](){});
for (auto &election_1 : election_list) {
for (auto &election_2 : election_list) {
GlobalNetService.connect(election_1, election_2);
}
}
this_thread::sleep_for(chrono::seconds(7));
ObRole role;
int64_t _;
election_list[2]->get_role(role, _);
ASSERT_EQ(role, ObRole::LEADER);
for (auto iter = election_list.rbegin(); iter != election_list.rend(); ++iter)
(*iter)->stop();
this_thread::sleep_for(chrono::seconds(2));
for (auto &election_ : election_list)
delete election_;
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 1);
}
}
}
int main(int argc, char **argv)
{
system("rm -rf test_ob_election.log");
oceanbase::palf::election::GLOBAL_INIT_ELECTION_MODULE();
oceanbase::unittest::MockNetService::init();
oceanbase::palf::election::INIT_TS = 0;
oceanbase::common::ObClockGenerator::init();
oceanbase::common::ObLogger &logger = oceanbase::common::ObLogger::get_logger();
oceanbase::share::ObTenantBase tenant_base(OB_SYS_TENANT_ID);
tenant_base.init();
oceanbase::share::ObTenantEnv::set_tenant(&tenant_base);
logger.set_file_name("test_ob_election.log", false);
logger.set_log_level(OB_LOG_LEVEL_TRACE);
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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