Add tests from develop

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

maxscale-system-test/server_weight.cpp

@@ -0,0 +1,158 @@
+/**
+ * @file server_weight.cpp Checks if 'weightby' parameter works
+ * - use Galera setup, configure Maxscale
+ * @verbatim
+[RW Split Router]
+type=service
+router=readwritesplit
+servers=server1,server2,server3,server4
+weightby=serversize_rws
+user=skysql
+passwd=skysql
+
+[Read Connection Router]
+type=service
+router=readconnroute
+router_options=synced
+servers=server1,server2,server3,server4
+weightby=serversize
+user=skysql
+passwd=skysql
+
+[server1]
+type=server
+address=###server_IP_1###
+port=###server_port_1###
+protocol=MySQLBackend
+serversize=1
+serversize_rws=1
+
+[server2]
+type=server
+address=###server_IP_2###
+port=###server_port_2###
+protocol=MySQLBackend
+serversize=2
+serversize_rws=3000000
+
+[server3]
+type=server
+address=###server_IP_3###
+port=###server_port_3###
+protocol=MySQLBackend
+serversize=3
+serversize_rws=2000000
+
+[server4]
+type=server
+address=###server_IP_4###
+port=###server_port_4###
+protocol=MySQLBackend
+serversize=0
+serversize_rws=1000000
+@endverbatim
+ * - create 60 connections to ReadConn master
+ * - expect: node1 - 10, node2 - 20, node3 - 30, node4 - 0
+ * - create 60 connections to RWSplit
+ * - expect all connections on only one slave
+ * - check error log, it should not contain "Unexpected parameter 'weightby'"
+ */
+
+
+#include "testconnections.h"
+
+void check_conn_num(TestConnections* Test, int * Nc, unsigned int conn_num)
+{
+    for (int i = 0; i < 4; i++)
+    {
+        conn_num = get_conn_num(Test->galera->nodes[i], Test->maxscale_IP, Test->maxscale_hostname, (char *) "test");
+        Test->tprintf("connections to node %d: %u (expected: %u)\n", i, conn_num, Nc[i]);
+        if ((i < 4) && (Nc[i] != conn_num))
+        {
+            Test->add_result(1, "Read: Expected number of connections to node %d is %d\n", i, Nc[i]);
+        }
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    int maxscale_conn_num = 60;
+    MYSQL *conn_read[maxscale_conn_num];
+    MYSQL *conn_rwsplit[maxscale_conn_num];
+    TestConnections * Test = new TestConnections(argc, argv);
+    Test->set_timeout(30);
+    int i;
+
+    Test->galera->connect();
+
+    Test->tprintf("Connecting to ReadConnMaster on %s\n", Test->maxscale_IP);
+    for (i = 0; i < maxscale_conn_num; i++)
+    {
+        conn_read[i] = Test->open_readconn_master_connection();
+    }
+
+    Test->stop_timeout();
+    Test->tprintf("Sleeping 15 seconds\n");
+    sleep(15);
+
+    unsigned int conn_num;
+    int Nc[4];
+
+    Nc[0] = maxscale_conn_num / 6;
+    Nc[1] = maxscale_conn_num / 3;
+    Nc[2] = maxscale_conn_num / 2;
+    Nc[3] = 0;
+
+    Test->set_timeout(30);
+    check_conn_num(Test, Nc, conn_num);
+
+    for (i = 0; i < maxscale_conn_num; i++)
+    {
+        mysql_close(conn_read[i]);
+    }
+
+    Test->stop_timeout();
+    Test->tprintf("Sleeping 15 seconds\n");
+    sleep(15);
+
+    Test->set_timeout(30);
+    Test->tprintf("Connecting to RWSplit on %s\n", Test->maxscale_IP);
+    for (i = 0; i < maxscale_conn_num; i++)
+    {
+        conn_rwsplit[i] = Test->open_rwsplit_connection();
+    }
+
+    Test->stop_timeout();
+    Test->tprintf("Sleeping 15 seconds\n");
+    sleep(15);
+
+    /** Readwritesplit should always create a connection to the master. For
+     * this test we use the priority mechanism to force the first node as
+     * the master since Galera clusters don't have a deterministic master node. */
+    Nc[1] = maxscale_conn_num / 2;
+    Nc[2] = maxscale_conn_num / 3;
+    Nc[3] = maxscale_conn_num / 6;
+    Nc[0] = maxscale_conn_num;
+
+    Test->set_timeout(30);
+    check_conn_num(Test, Nc, conn_num);
+
+
+    for (i = 0; i < maxscale_conn_num; i++)
+    {
+        mysql_close(conn_rwsplit[i]);
+    }
+    Test->galera->close_connections();
+
+    Test->check_log_err((char *) "Unexpected parameter 'weightby'", false);
+    Test->check_log_err((char *)
+                        "Weighting parameter 'serversize' with a value of 0 for server 'server4' rounds down to zero", true);
+
+    // Pre-1.3.0 failure message
+    //Test->check_log_err((char *) "Server 'server4' has no value for weighting parameter 'serversize', no queries will be routed to this server", true);
+
+
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}