add tests

maxscale-system-test/bug571.cpp

@@ -0,0 +1,141 @@
+/**
+ * @file bug571.cpp  regression case for bug 571 and bug 585 ( "Using regex filter hangs MaxScale" and "modutil_extract_SQL doesn't work with multiple GWBUF buffers" )
+ *
+ * - Maxscale.cnf
+ * @verbatim
+ [regex]
+ type=filter
+ module=regexfilter
+ match=[Ff][Oo0][rR][mM]
+ replace=FROM
+
+ [r2]
+ type=filter
+ module=regexfilter
+ match=fetch
+ replace=select
+
+ [hints]
+ type=filter
+ module=hintfilter
+
+ [RW Split Router]
+ type=service
+ router= readwritesplit
+ servers=server1,     server2,              server3,server4
+ user=skysql
+ passwd=skysql
+ max_slave_connections=100%
+ use_sql_variables_in=all
+ router_options=slave_selection_criteria=LEAST_BEHIND_MASTER
+ filters=hints|regex|r2
+ @endverbatim
+ * for bug585:
+ * @verbatim
+[regex]
+type=filter
+module=regexfilter
+match=fetch
+replace=select
+
+[typo]
+type=filter
+module=regexfilter
+match=[Ff][Oo0][Rr][Mm]
+replace=from
+
+[RW Split Router]
+type=service
+router= readwritesplit
+servers=server1,     server2,              server3,server4
+user=skysql
+passwd=skysql
+max_slave_connections=100%
+use_sql_variables_in=all
+router_options=slave_selection_criteria=LEAST_BEHIND_MASTER
+filters=regex|typo
+ @endverbatim
+ * - fetch * from mysql.user;
+ * - fetch count(*) form mysql.user;
+ * - check if Maxscale is alive
+ */
+
+/*
+Vilho Raatikka 2014-10-10 11:09:19 UTC
+Branch:release-1.0.1beta
+Executing :
+
+fetch * from mysql.user
+
+with this config hangs MaxScale
+
+[regex]
+type=filter
+module=regexfilter
+match=[Ff][Oo0][rR][mM]
+replace=FROM
+
+[r2]
+type=filter
+module=regexfilter
+match=fetch
+replace=select
+
+
+[hints]
+type=filter
+module=hintfilter
+
+
+[RW Split Router]
+type=service
+router=readwritesplit
+servers=server1,server2,server3,server4
+max_slave_connections=100%
+use_sql_variables_in=all
+router_options=slave_selection_criteria=LEAST_BEHIND_MASTER
+user=maxuser
+passwd=maxpwd
+filters=hints|regex|r2
+Comment 1 Vilho Raatikka 2014-10-11 18:55:23 UTC
+If we look at the rewrite function we see that query lacks one character.
+
+T 127.0.0.1:37858 -> 127.0.0.1:4006 [AP]
+  16 00 00 00 03 66 65 74    63 68 20 69 64 20 66 72    .....fetch id fr
+  6f 6d 20 74 65 73 74 2e    74 31                      om test.t1
+
+T 127.0.0.1:44591 -> 127.0.0.1:3000 [AP]
+  17 00 00 00 03 73 65 6c    65 63 74 20 69 64 20 66    .....select id f
+  72 6f 6d 20 74 65 73 74    2e 74                      rom test.t
+*/
+
+// the same code is used for bug585
+
+
+#include <iostream>
+#include <unistd.h>
+#include "testconnections.h"
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+    TestConnections * Test = new TestConnections(argc, argv);
+
+    Test->tprintf("Connecting to all MaxScale services\n");
+    Test->set_timeout(10);
+    Test->add_result(Test->connect_maxscale(), "Error connectiong to Maxscale\n");
+
+    Test->tprintf("executing fetch * from mysql.user \n");
+    Test->set_timeout(10);
+    Test->try_query(Test->conn_rwsplit, (char *) "fetch * from mysql.user;");
+    Test->set_timeout(10);
+    Test->try_query(Test->conn_rwsplit, (char *) "fetch count(*) form mysql.user;");
+
+    Test->set_timeout(10);
+    Test->close_maxscale_connections();
+    Test->check_maxscale_alive();
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}