MXS-1113 Add basic test

Add test case for text and binary protocol prepared statements in
schemarouter.

maxscale-system-test/CMakeLists.txt

@@ -1044,6 +1044,11 @@ add_test_executable(mxs1961_standalone_rejoin.cpp mxs1961_standalone_rejoin mxs1
 # https://jira.mariadb.org/browse/MXS-1985
 add_test_executable(mxs1985_kill_hang.cpp mxs1985_kill_hang replication LABELS REPL_BACKEND)
 
+# MXS-1113: Support of prepared statement for schemarouter
+# https://jira.mariadb.org/browse/MXS-1113
+add_test_executable(mxs1113_schemarouter_ps.cpp mxs1113_schemarouter_ps mxs1113_schemarouter_ps LABELS schemarouter BREAKS_REPL)
+
+
 configure_file(templates.h.in templates.h @ONLY)
 
 include(CTest)

maxscale-system-test/cnf/maxscale.cnf.template.mxs1113_schemarouter_ps

@@ -0,0 +1,59 @@
+[maxscale]
+threads=###threads###
+log_warning=1
+
+[MySQL Monitor]
+type=monitor
+module=mysqlmon
+servers=server1,server2,server3,server4
+user=maxskysql
+password=skysql
+
+[Sharding router]
+type=service
+router=schemarouter
+servers=server1,server2,server3,server4
+user=maxskysql
+password=skysql
+auth_all_servers=1
+ignore_databases_regex=.*
+
+[Sharding Listener]
+type=listener
+service=Sharding router
+protocol=MySQLClient
+port=4006
+
+[CLI]
+type=service
+router=cli
+
+[CLI Listener]
+type=listener
+service=CLI
+protocol=maxscaled
+socket=default
+
+[server1]
+type=server
+address=###node_server_IP_1###
+port=###node_server_port_1###
+protocol=MySQLBackend
+
+[server2]
+type=server
+address=###node_server_IP_2###
+port=###node_server_port_2###
+protocol=MySQLBackend
+
+[server3]
+type=server
+address=###node_server_IP_3###
+port=###node_server_port_3###
+protocol=MySQLBackend
+
+[server4]
+type=server
+address=###node_server_IP_4###
+port=###node_server_port_4###
+protocol=MySQLBackend

maxscale-system-test/mxs1113_schemarouter_ps.cpp

@@ -0,0 +1,86 @@
+/**
+ * MXS-1113: Prepared statement test for schemarouter
+ *
+ * https://jira.mariadb.org/browse/MXS-1113
+ */
+
+#include "testconnections.h"
+
+
+void test_text_protocol(TestConnections& test, MYSQL* conn)
+{
+
+    for (int i = 0; i < test.repl->N; i++)
+    {
+        test.try_query(conn, "PREPARE stmt%d FROM 'SELECT * FROM shard_db.table%d WHERE fl=3;';", i, i);
+        test.try_query(conn, "SET @x = 3;");
+        test.try_query(conn, "EXECUTE stmt%d", i);
+    }
+
+    for (int i = 0; i < test.repl->N; i++)
+    {
+        test.try_query(conn, "DEALLOCATE PREPARE stmt%d", i);
+    }
+}
+
+void test_binary_protocol(TestConnections& test, MYSQL* conn)
+{
+    const char* query = "SELECT x1, fl FROM shard_db.table2";
+    MYSQL_BIND bind[2] = {};
+    uint32_t id;
+    uint32_t id2;
+
+    bind[0].buffer_type = MYSQL_TYPE_LONG;
+    bind[0].buffer = &id;
+    bind[1].buffer_type = MYSQL_TYPE_LONG;
+    bind[1].buffer = &id2;
+
+    MYSQL_STMT* stmt = mysql_stmt_init(conn);
+    test.add_result(mysql_stmt_prepare(stmt, query, strlen(query)), "Failed to prepare");
+    test.add_result(mysql_stmt_execute(stmt), "Failed to execute");
+    test.add_result(mysql_stmt_bind_result(stmt, bind), "Failed to bind result");
+    test.add_result(mysql_stmt_fetch(stmt), "Failed to fetch result");
+    mysql_stmt_close(stmt);
+}
+
+int main(int argc, char *argv[])
+{
+    TestConnections test(argc, argv);
+    test.set_timeout(30);
+    test.repl->execute_query_all_nodes("STOP SLAVE");
+    test.repl->execute_query_all_nodes("DROP DATABASE IF EXISTS shard_db");
+    test.repl->execute_query_all_nodes("CREATE DATABASE shard_db");
+    MYSQL* conn;
+
+    for (int i = 0; i < test.repl->N; i++)
+    {
+        conn = open_conn_db(test.repl->port[i], test.repl->IP[i], "shard_db",
+                            test.repl->user_name, test.repl->password, test.ssl);
+        execute_query(conn, "CREATE TABLE table%d (x1 int, fl int)", i);
+        execute_query(conn, "INSERT INTO table%d VALUES(%d, %d)", i, i, i);
+        mysql_close(conn);
+    }
+
+    test.maxscales->connect_maxscale(0);
+    conn = test.maxscales->conn_rwsplit[0];
+
+    test.tprintf("Running text protocol test");
+    test_text_protocol(test, conn);
+    test.maxscales->disconnect();
+
+    test.maxscales->connect_maxscale(0);
+    conn = test.maxscales->conn_rwsplit[0];
+
+    test.tprintf("Running binary protocol test");
+    test_binary_protocol(test, conn);
+
+    test.stop_timeout();
+
+    test.maxscales->close_maxscale_connections(0);
+    test.repl->execute_query_all_nodes("DROP DATABASE IF EXISTS shard_db");
+    test.repl->execute_query_all_nodes("START SLAVE");
+    sleep(1);
+    test.repl->fix_replication();
+
+    return test.global_result;
+}