Add tests from develop

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

maxscale-system-test/mxs431.cpp

@@ -0,0 +1,66 @@
+/**
+ * @file mxs431.cpp Bug regression test case for MXS-431: ("Backend authentication fails with schemarouter")
+ *
+ * - Create database 'testdb' on one node
+ * - Connect repeatedly to MaxScale with 'testdb' as the default database and execute SELECT 1
+ */
+
+
+#include <iostream>
+#include "testconnections.h"
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+    TestConnections * Test = new TestConnections(argc, argv);
+    char str[256];
+    int iterations = Test->smoke ? 100 : 500;
+    Test->repl->execute_query_all_nodes((char *) "set global max_connections = 600;");
+    Test->set_timeout(30);
+    Test->repl->stop_slaves();
+    Test->set_timeout(30);
+    Test->restart_maxscale();
+    Test->set_timeout(30);
+    Test->repl->connect();
+    Test->stop_timeout();
+
+    /** Create a database on each node */
+    for (int i = 0; i < Test->repl->N; i++)
+    {
+        Test->set_timeout(20);
+        sprintf(str, "DROP DATABASE IF EXISTS shard_db%d", i);
+        Test->tprintf("%s\n", str);
+        execute_query(Test->repl->nodes[i], str);
+        Test->set_timeout(20);
+        sprintf(str, "CREATE DATABASE shard_db%d", i);
+        Test->tprintf("%s\n", str);
+        execute_query(Test->repl->nodes[i], str);
+        Test->stop_timeout();
+    }
+
+    Test->repl->close_connections();
+
+    for (int j = 0; j < iterations && Test->global_result == 0; j++)
+    {
+        for (int i = 0; i < Test->repl->N; i++)
+        {
+            sprintf(str, "shard_db%d", i);
+            Test->set_timeout(15);
+            MYSQL *conn = open_conn_db(Test->rwsplit_port, Test->maxscale_IP,
+                                       str, Test->maxscale_user,
+                                       Test->maxscale_password, Test->ssl);
+            Test->set_timeout(15);
+            Test->tprintf("Trying DB %d\n", i);
+            if (execute_query(conn, "SELECT 1"))
+            {
+                Test->add_result(1, "Failed at %d\n", j);
+                break;
+            }
+            mysql_close(conn);
+        }
+    }
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}