add tests

maxscale-system-test/bug572.cpp

@@ -0,0 +1,46 @@
+/**
+ * @file bug572.cpp  regression case for bug 572 ( " If reading a user from users table fails, MaxScale fails" )
+ *
+ * - try GRANT with wrong IP using all Maxscale services:
+ *  + GRANT ALL PRIVILEGES ON *.* TO  'foo'@'*.foo.notexists' IDENTIFIED BY 'foo';
+ *  + GRANT ALL PRIVILEGES ON *.* TO  'bar'@'127.0.0.*' IDENTIFIED BY 'bar'
+ *  + DROP USER 'foo'@'*.foo.notexists'
+ *  + DROP USER 'bar'@'127.0.0.*'
+ * - do "select * from mysql.user" using RWSplit to check if Maxsclae crashed
+ */
+
+
+#include <iostream>
+#include <unistd.h>
+#include "testconnections.h"
+
+using namespace std;
+
+void create_drop_bad_user(MYSQL * conn, TestConnections * Test)
+{
+
+    Test->try_query(conn, (char *)
+                    "GRANT ALL PRIVILEGES ON *.* TO  'foo'@'*.foo.notexists' IDENTIFIED BY 'foo';");
+    Test->try_query(conn, (char *) "GRANT ALL PRIVILEGES ON *.* TO  'bar'@'127.0.0.*' IDENTIFIED BY 'bar'");
+    Test->try_query(conn, (char *) "DROP USER 'foo'@'*.foo.notexists'");
+    Test->try_query(conn, (char *) "DROP USER 'bar'@'127.0.0.*'");
+}
+
+int main(int argc, char *argv[])
+{
+    TestConnections * Test = new TestConnections(argc, argv);
+    Test->set_timeout(10);
+
+    Test->repl->connect();
+    Test->connect_maxscale();
+
+    Test->tprintf("Trying GRANT for with bad IP: RWSplit\n");
+    create_drop_bad_user(Test->conn_rwsplit, Test);
+
+    Test->tprintf("Trying SELECT to check if Maxscale hangs\n");
+    Test->try_query(Test->conn_rwsplit, (char *) "select * from mysql.user");
+
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}