Add tests from develop

Added tests from develop. The test results need to be modified for 2.0.

maxscale-system-test/failover_mysqlmon.cpp

@@ -0,0 +1,71 @@
+/**
+ * @file failover_mysqlmon.cpp MySQL Monitor Failover Test
+ * - block all nodes, but one
+ * - wait for minitor (monitor_interval)
+ * - check maxadmin output
+ * - check that queries work
+ * - unblock backend nodes
+ * - wait for monitor
+ * - check that we are still using the last node to which we failed over to and that the old nodes are in maintenance mode
+ */
+
+
+#include <iostream>
+#include "testconnections.h"
+
+int main(int argc, char *argv[])
+{
+    TestConnections * test = new TestConnections(argc, argv);
+
+    test->tprintf(" Create the test table and insert some data ");
+    test->connect_maxscale();
+    test->try_query(test->conn_rwsplit, "CREATE OR REPLACE TABLE test.t1 (id int)");
+    test->try_query(test->conn_rwsplit, "INSERT INTO test.t1 VALUES (1)");
+    test->close_maxscale_connections();
+
+    test->tprintf(" Block all but one node ");
+    test->repl->block_node(0);
+    test->repl->block_node(1);
+    test->repl->block_node(2);
+    test->repl->connect();
+    execute_query(test->repl->nodes[3], "STOP SLAVE;RESET SLAVE ALL;");
+
+    test->tprintf(" Wait for the monitor to detect it ");
+    sleep(15);
+
+    test->tprintf(" Connect and insert should work ");
+    char *output = test->ssh_maxscale_output(true, "maxadmin list servers");
+    test->tprintf("%s", output);
+    free(output);
+    test->connect_maxscale();
+    test->try_query(test->conn_rwsplit, "INSERT INTO test.t1 VALUES (1)");
+    test->close_maxscale_connections();
+
+    test->tprintf(" Unblock nodes ");
+    test->repl->unblock_node(0);
+    test->repl->unblock_node(1);
+    test->repl->unblock_node(2);
+
+    test->tprintf(" Wait for the monitor to detect it ");
+    sleep(15);
+
+    test->tprintf("Check that we are still using the last node to which we failed over "
+                  "to and that the old nodes are in maintenance mode");
+
+    test->connect_maxscale();
+    test->try_query(test->conn_rwsplit, "INSERT INTO test.t1 VALUES (1)");
+    char maxscale_id[256], real_id[256];
+    find_field(test->conn_rwsplit, "SELECT @@server_id", "@@server_id", maxscale_id);
+    test->repl->connect();
+    find_field(test->repl->nodes[3], "SELECT @@server_id", "@@server_id", real_id);
+    test->add_result(strcmp(maxscale_id, real_id) != 0,
+                     "@@server_id is different: %s != %s", maxscale_id, real_id);
+    test->close_maxscale_connections();
+
+    test->tprintf(" Check that MaxScale is running ");
+    test->check_maxscale_alive();
+
+    int rval = test->global_result;
+    delete test;
+    return rval;
+}