add tests

maxscale-system-test/rwsplit_read_only_trx.cpp

@@ -0,0 +1,56 @@
+/**
+ * Readwritesplit read-only transaction test
+ *
+ * - Check that read-only transactions are routed to slaves
+ */
+
+#include "testconnections.h"
+
+int main(int argc, char** argv)
+{
+    TestConnections test(argc, argv);
+
+    char master_id[200];
+    char slave_id[200];
+
+    // Get the server IDs of the master and the slave
+    test.repl->connect();
+    sprintf(master_id, "%d", test.repl->get_server_id(0));
+    sprintf(slave_id, "%d", test.repl->get_server_id(1));
+
+    test.connect_maxscale();
+
+    execute_query_silent(test.conn_rwsplit, "DROP TABLE test.t1");
+    execute_query_silent(test.conn_rwsplit, "CREATE TABLE test.t1(id int)");
+
+    // Test read-only transaction with commit
+    test.try_query(test.conn_rwsplit, "START TRANSACTION READ ONLY");
+    test.add_result(execute_query_check_one(test.conn_rwsplit, "SELECT @@server_id", slave_id),
+                    "Query should be routed to slave");
+    test.try_query(test.conn_rwsplit, "COMMIT");
+
+    // Test read-only transaction with rollback
+    test.try_query(test.conn_rwsplit, "START TRANSACTION READ ONLY");
+    test.add_result(execute_query_check_one(test.conn_rwsplit, "SELECT @@server_id", slave_id),
+                    "Query should be routed to slave");
+    test.try_query(test.conn_rwsplit, "ROLLBACK");
+
+    // Test normal transaction
+    test.try_query(test.conn_rwsplit, "START TRANSACTION");
+    test.add_result(execute_query_check_one(test.conn_rwsplit, "SELECT @@server_id", master_id),
+                    "Query should be routed to master");
+    test.try_query(test.conn_rwsplit, "COMMIT");
+
+    // Test writes in read-only transaction
+    test.try_query(test.conn_rwsplit, "START TRANSACTION READ ONLY");
+    test.add_result(execute_query_check_one(test.conn_rwsplit, "SELECT @@server_id", slave_id),
+                    "Query should be routed to slave");
+    test.add_result(execute_query(test.conn_rwsplit, "UPDATE test.t1 SET id=0") == 0,
+                    "Query should fail");
+    test.try_query(test.conn_rwsplit, "COMMIT");
+
+
+    test.close_maxscale_connections();
+
+    return test.global_result;
+}