MXS-2900 Rename maxscale-system-test directory to system-test

A link with the old directory name is provided.

system-test/change_user.cpp

@@ -0,0 +1,68 @@
+/**
+ * @file change_user.cpp mysql_change_user test
+ *
+ * - using RWSplit and user 'skysql': GRANT SELECT ON test.* TO user@'%'  identified by 'pass2';  FLUSH
+ * PRIVILEGES;
+ * - create a new connection to RSplit as 'user'
+ * - try INSERT expecting 'access denied'
+ * - call mysql_change_user() to change user to 'skysql'
+ * - try INSERT again expecting success
+ * - try to execute mysql_change_user() to switch to user 'user' but use rong password (expecting access
+ * denied)
+ * - try INSERT again expecting success (user should not be changed)
+ */
+
+#include "testconnections.h"
+
+void run_test(TestConnections& test, MYSQL* conn)
+{
+    test.expect(mysql_change_user(conn, "user", "pass2", "test") == 0,
+                "changing user failed: %s", mysql_error(conn));
+
+    test.expect(execute_query_silent(conn, "INSERT INTO t1 VALUES (77, 11);") != 0,
+                "INSERT query succeeded without INSERT privilege");
+
+    test.expect(mysql_change_user(conn, test.repl->user_name, test.repl->password, "test") == 0,
+                "changing user failed: %s", mysql_error(conn));
+
+    test.expect(execute_query_silent(conn, "INSERT INTO t1 VALUES (77, 11);") == 0,
+                "INSERT query succeeded without INSERT privilege");
+
+
+    test.expect(mysql_change_user(conn, "user", "wrong_pass2", "test") != 0,
+                "changing user with wrong password successed!");
+
+    test.expect(strstr(mysql_error(conn), "Access denied for user"),
+                "Wrong error message returned on failed authentication");
+
+    test.expect(execute_query_silent(conn, "INSERT INTO t1 VALUES (77, 11);") != 0,
+                "Query should fail, MaxScale should disconnect on auth failure");
+}
+
+int main(int argc, char *argv[])
+{
+    TestConnections test(argc, argv);
+
+    test.repl->connect();
+    execute_query(test.repl->nodes[0], "DROP USER 'user'@'%%'");
+    test.try_query(test.repl->nodes[0], "CREATE USER user@'%%' identified by 'pass2'");
+    test.try_query(test.repl->nodes[0], "GRANT SELECT ON test.* TO user@'%%'");
+    test.try_query(test.repl->nodes[0], "FLUSH PRIVILEGES;");
+    test.try_query(test.repl->nodes[0], "DROP TABLE IF EXISTS t1");
+    test.try_query(test.repl->nodes[0], "CREATE TABLE t1 (x1 int, fl int)");
+    test.repl->sync_slaves();
+    test.repl->disconnect();
+
+    test.maxscales->connect();
+    test.tprintf("Testing readwritesplit");
+    run_test(test, test.maxscales->conn_rwsplit[0]);
+    test.tprintf("Testing readconnroute");
+    run_test(test, test.maxscales->conn_master[0]);
+    test.maxscales->disconnect();
+
+    test.repl->connect();
+    execute_query_silent(test.repl->nodes[0], "DROP USER user@'%%';");
+    execute_query_silent(test.repl->nodes[0], "DROP TABLE test.t1");
+    test.repl->disconnect();
+    return test.global_result;
+}