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MXS-1506: Test interrupted SELECTs

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Expanded the test to cover interrupted SELECT statements.
This commit is contained in:
Markus Mäkelä
2018-04-10 11:49:16 +03:00
parent 15bb90afc4
commit eafdd61888
2 changed files with 54 additions and 31 deletions
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69
maxscale-system-test/mxs1506_delayed_retry.cpp
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@ -30,13 +30,18 @@ int main(int argc, char** argv)
return execute_query_silent(test.maxscales->conn_rwsplit[0], q.c_str()) == 0;
};
auto check = [&test](string q, string res)
auto compare = [&test](string q, string res)
{
auto rc = execute_query_check_one(test.maxscales->conn_rwsplit[0], q.c_str(), res.c_str()) == 0;
test.assert(rc, "Query '%s' did not produce result of '%s'", q.c_str(), res.c_str());
};
auto check = [&test, &compare](string q, string res)
{
test.repl->sync_slaves();
test.maxscales->connect();
auto rc = execute_query_check_one(test.maxscales->conn_rwsplit[0], q.c_str(), res.c_str()) == 0;
compare(q, res);
test.maxscales->disconnect();
test.assert(rc, "Query '%s' did not produce result of '%s'", q.c_str(), res.c_str());
};
auto ok = [&test, &query](string q, int t = 0)
@ -49,78 +54,108 @@ int main(int argc, char** argv)
test.assert(!query(q, t), "Query should fail: %s", q.c_str());
};
auto block_master = [&test](int pre = 0)
auto block = [&test](int pre = 0, int node = 0)
{
sleep(pre);
test.repl->block_node(0);
test.repl->block_node(node);
sleep(10);
test.repl->unblock_node(0);
test.repl->unblock_node(node);
};
auto noop = [](){};
vector<TestCase> tests(
{
{
"Normal insert",
bind(ok, "SELECT 1"),
bind(block_master, 0),
noop,
block,
bind(ok, "INSERT INTO test.t1 VALUES (1)", 5),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 1", "1")
},
{
"Insert with user variables",
bind(ok, "SET @a = 2"),
bind(block_master, 0),
block,
bind(ok, "INSERT INTO test.t1 VALUES (@a)", 5),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 2", "1")
},
{
"Normal transaction",
bind(ok, "START TRANSACTION"),
bind(block_master, 0),
block,
bind(err, "INSERT INTO test.t1 VALUES (3)", 5),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 3", "0")
},
{
"Read-only transaction",
bind(ok, "START TRANSACTION READ ONLY"),
bind(block_master, 0),
block,
bind(err, "INSERT INTO test.t1 VALUES (4)", 5),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 4", "0")
},
{
"Insert with autocommit=0",
bind(ok, "SET autocommit=0"),
bind(block_master, 0),
block,
bind(err, "INSERT INTO test.t1 VALUES (5)", 5),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 5", "0")
},
{
"Interrupted insert (should cause duplicate statement execution)",
bind(ok, "SELECT 1"),
bind(block_master, 5),
noop,
bind(block, 5),
bind(ok, "INSERT INTO test.t1 VALUES ((SELECT SLEEP(10) + 6))", 0),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 6", "2")
},
{
"Interrupted insert with user variable (should cause duplicate statement execution)",
bind(ok, "SET @b = 7"),
bind(block_master, 5),
bind(block, 5),
bind(ok, "INSERT INTO test.t1 VALUES ((SELECT SLEEP(10) + @b))", 0),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 7", "2")
},
{
"Interrupted insert in transaction",
bind(ok, "START TRANSACTION"),
bind(block_master, 5),
bind(block, 5),
bind(err, "INSERT INTO test.t1 VALUES ((SELECT SLEEP(10) + 8))", 0),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 8", "0")
},
{
"Interrupted insert in read-only transaction",
bind(ok, "START TRANSACTION READ ONLY"),
bind(block_master, 5),
bind(block, 5),
bind(err, "INSERT INTO test.t1 VALUES ((SELECT SLEEP(10) + 9))", 0),
bind(check, "SELECT COUNT(*) FROM test.t1 WHERE id = 9", "0")
},
{
"Interrupted select",
noop,
bind(block, 5, 1),
bind(compare, "SELECT SLEEP(10) + 10", "10"),
noop
},
{
"Interrupted select with user variable",
bind(ok, "SET @c = 11"),
bind(block, 5, 1),
bind(compare, "SELECT SLEEP(10) + @c", "11"),
noop
},
{
"Interrupted select in transaction",
bind(ok, "START TRANSACTION"),
bind(block, 5, 0),
bind(err, "SELECT SLEEP(10)"),
noop
},
{
"Interrupted select in read-only transaction",
bind(ok, "START TRANSACTION READ ONLY"),
bind(block, 5, 1),
bind(err, "SELECT SLEEP(10)"),
noop
}
});