MaxScale/maxscale-system-test/mxs2313_rank.cpp
Markus Mäkelä 2bf55ed675
MXS-2313: Update rank test case
Updated the test with the new expected behavior.
2019-03-18 13:13:00 +02:00

151 lines
4.2 KiB
C++

/**
* MXS-2313: `rank` functional tests
* https://jira.mariadb.org/browse/MXS-2313
*/
#include "testconnections.h"
#include <iostream>
std::function<void(int)> block_wait;
std::function<void(int)> unblock_wait;
void test_rwsplit(TestConnections& test, std::vector<std::string> ids)
{
std::cout << "Servers in two groups with different ranks" << std::endl;
test.check_maxctrl("alter server server1 rank primary");
test.check_maxctrl("alter server server2 rank primary");
test.check_maxctrl("alter server server3 rank secondary");
test.check_maxctrl("alter server server4 rank secondary");
Connection c = test.maxscales->rwsplit();
auto is_primary = [&]() {
auto id = c.field("SELECT @@server_id");
test.expect(id == ids[0] || id == ids[1], "Primary servers should reply");
};
auto is_secondary = [&]() {
auto id = c.field("SELECT @@server_id");
test.expect(id == ids[2] || id == ids[3], "Secondary servers should reply");
};
c.connect();
is_primary();
block_wait(0);
is_primary();
block_wait(1);
is_secondary();
block_wait(2);
is_secondary();
block_wait(3);
test.expect(!c.query("SELECT @@server_id"), "Query should fail");
unblock_wait(3);
c.disconnect();
c.connect();
is_secondary();
unblock_wait(2);
is_secondary();
unblock_wait(1);
is_secondary();
unblock_wait(0);
is_secondary();
test.expect(c.query("SELECT @@server_id, @@last_insert_id"), "Query should work");
is_primary();
std::cout << "Grouping servers into a three-node cluster with one low-ranking server" << std::endl;
test.check_maxctrl("alter server server1 rank primary");
test.check_maxctrl("alter server server2 rank primary");
test.check_maxctrl("alter server server3 rank primary");
test.check_maxctrl("alter server server4 rank secondary");
c.disconnect();
c.connect();
block_wait(0);
auto id = c.field("SELECT @@server_id");
test.expect(!id.empty() && id != ids[3], "Third slave should not reply");
block_wait(1);
id = c.field("SELECT @@server_id");
test.expect(!id.empty() && id != ids[3], "Third slave should not reply");
block_wait(2);
test.expect(c.field("SELECT @@server_id") == ids[3], "Third slave should reply");
for (int i = 0; i < 3; i++)
{
unblock_wait(i);
test.expect(c.field("SELECT @@server_id") == ids[3], "Third slave should reply");
}
block_wait(3);
id = c.field("SELECT @@server_id");
test.expect(!id.empty() && id != ids[3], "Third slave should not reply");
unblock_wait(3);
}
void test_readconnroute(TestConnections& test, std::vector<std::string> ids)
{
std::cout << "Readconnroute with descending server rank" << std::endl;
test.check_maxctrl("alter server server1 rank primary");
test.check_maxctrl("alter server server2 rank primary");
test.check_maxctrl("alter server server3 rank secondary");
test.check_maxctrl("alter server server4 rank secondary");
auto do_test = [&](int node) {
Connection c = test.maxscales->readconn_master();
c.connect();
test.expect(c.field("SELECT @@server_id") == ids[node], "server%d should reply", node + 1);
};
do_test(0);
block_wait(0);
do_test(1);
block_wait(1);
do_test(2);
block_wait(2);
do_test(3);
unblock_wait(2);
do_test(2);
unblock_wait(1);
do_test(1);
unblock_wait(0);
do_test(0);
}
int main(int argc, char* argv[])
{
TestConnections test(argc, argv);
block_wait = [&](int node) {
std::cout << "Block server" << (node + 1) << std::endl;
test.repl->block_node(node);
test.maxscales->wait_for_monitor(2);
};
unblock_wait = [&](int node) {
std::cout << "Unblock server" << (node + 1) << std::endl;
test.repl->unblock_node(node);
test.maxscales->wait_for_monitor(2);
};
test.repl->connect();
auto ids = test.repl->get_all_server_ids_str();
test.repl->disconnect();
test_rwsplit(test, ids);
test_readconnroute(test, ids);
return test.global_result;
}