1 files changed, 90 insertions, 0 deletions
diff --git a/mysql-test/suite/galera/include/galera_concurrent_test.inc b/mysql-test/suite/galera/include/galera_concurrent_test.inc
new file mode 100644
index 00000000..3d1bc767
--- /dev/null
+++ b/mysql-test/suite/galera/include/galera_concurrent_test.inc
@@ -0,0 +1,90 @@
+#
+# Perform a quick concurrent test on two nodes using a set of predefined statements.
+#
+# Such tests are not deterministic, so we are hoping to catch assertions, slave apply errors
+# and cases where the two nodes diverge
+#
+# Parameters:
+# - $wsrep_trx_fragment_size
+# - $count
+# - $query_node_1
+# - $query_node_1a (optional)
+# - $query_node_2
+#
+
+if (!$count) {
+	--let $count = 50;
+}
+
+if (!$node_1a_connected) {
+	--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
+	--let $node_1a_connected = 1
+}
+
+--echo Running a concurrent test with the following queries:
+--echo $query_node_1
+--echo $query_node_1a
+--echo $query_node_2
+
+--connection node_1
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY AUTO_INCREMENT, f2 CHAR(255)) ENGINE=InnoDB;
+
+SET SESSION wsrep_sync_wait = 0;
+--eval SET SESSION wsrep_trx_fragment_size = $wsrep_trx_fragment_size;
+
+--connection node_1a
+SET SESSION wsrep_sync_wait = 0;
+--eval SET SESSION wsrep_trx_fragment_size = $wsrep_trx_fragment_size;
+
+--connection node_2
+SET SESSION wsrep_sync_wait = 0;
+--eval SET SESSION wsrep_trx_fragment_size = $wsrep_trx_fragment_size;
+
+--disable_query_log
+--let $i = `SELECT $count`
+while ($i)
+{
+	--connection node_1
+	--send_eval $query_node_1
+
+        --connection node_1a
+        if ($query_node_1a) {
+		--send_eval $query_node_1a
+	}
+
+	--connection node_2
+	--send_eval $query_node_2
+
+        --connection node_1
+        --error 0,ER_QUERY_INTERRUPTED,ER_LOCK_DEADLOCK,ER_DUP_ENTRY
+	--reap
+
+	--connection node_1a
+        if ($query_node_1a) {
+	        --error 0,ER_QUERY_INTERRUPTED,ER_LOCK_DEADLOCK,ER_DUP_ENTRY
+	        --reap
+	}
+
+        --connection node_2
+        --error 0,ER_QUERY_INTERRUPTED,ER_LOCK_DEADLOCK,ER_DUP_ENTRY
+        --reap
+        --dec $i
+}
+
+SET SESSION wsrep_sync_wait = 15;
+--enable_query_log
+
+--let $diff_servers = 1 2
+--source include/diff_servers.inc
+
+DROP TABLE t1;
+
+--let $query_node_1 = ""
+--let $query_node_1a = ""
+--let $query_node_2 = ""
+
+--echo Concurrent test end