Files
MaxScale/maxscale-system-test/mxs2313_rank.cpp
Markus Mäkelä 6672202c26 MXS-2313: Add readconnroute rank test
The server rank test now checks that readconnroute works as expected.
2019-03-18 13:12:59 +02:00

131 lines
4.0 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 << "Slaves with descending rank and a low ranking master" << std::endl;
test.check_maxctrl("alter server server1 rank 9999");
test.check_maxctrl("alter server server2 rank 2");
test.check_maxctrl("alter server server3 rank 3");
test.check_maxctrl("alter server server4 rank 4");
Connection c = test.maxscales->rwsplit();
c.connect();
test.expect(c.field("SELECT @@server_id") == ids[1], "First slave should reply");
block_wait(1);
test.expect(c.field("SELECT @@server_id") == ids[2], "Second slave should reply");
block_wait(2);
test.expect(c.field("SELECT @@server_id") == ids[3], "Third slave should reply");
block_wait(3);
test.expect(c.field("SELECT @@server_id") == ids[0], "Master should reply");
block_wait(0);
test.expect(!c.query("SELECT @@server_id"), "Query should fail");
unblock_wait(0);
c.disconnect();
c.connect();
test.expect(c.field("SELECT @@server_id") == ids[0], "Master should reply");
unblock_wait(3);
test.expect(c.field("SELECT @@server_id") == ids[3], "Third slave should reply");
unblock_wait(2);
test.expect(c.field("SELECT @@server_id") == ids[2], "Second slave should reply");
unblock_wait(1);
test.expect(c.field("SELECT @@server_id") == ids[1], "First slave should reply");
std::cout << "Grouping servers into a three-node cluster with one low-ranking server" << std::endl;
test.check_maxctrl("alter server server1 rank 1");
test.check_maxctrl("alter server server2 rank 1");
test.check_maxctrl("alter server server3 rank 1");
test.check_maxctrl("alter server server4 rank 9999");
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);
auto id = c.field("SELECT @@server_id");
test.expect(!id.empty() && id != ids[3], "Third slave should not reply");
}
}
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 1");
test.check_maxctrl("alter server server2 rank 2");
test.check_maxctrl("alter server server3 rank 3");
test.check_maxctrl("alter server server4 rank 4");
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;
}