added a test script.

t/status.t

@@ -0,0 +1,54 @@
+# vi:filetype=
+
+use lib 'lib';
+use Test::Nginx::Socket;
+
+#repeat_each(2);
+
+plan tests => repeat_each() * 2 * blocks() + 2 * repeat_each() * 6;
+
+$ENV{TEST_NGINX_MYSQL_PORT} ||= 3306;
+
+our $http_config = <<'_EOC_';
+    upstream backend {
+        drizzle_server 127.0.0.1:$TEST_NGINX_MYSQL_PORT protocol=mysql
+                       dbname=ngx_test user=ngx_test password=ngx_test;
+        drizzle_keepalive max=10 overflow=reject mode=single;
+    }
+    upstream backend2 {
+        drizzle_server 127.0.0.1:$TEST_NGINX_MYSQL_PORT protocol=mysql
+                       dbname=ngx_test user=ngx_test password=ngx_test;
+        #drizzle_keepalive max=10 overflow=ignore mode=single;
+    }
+
+_EOC_
+
+worker_connections(128);
+
+no_long_string();
+#no_diff();
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: sanity
+--- http_config eval: $::http_config
+--- config
+    location /status {
+        drizzle_status;
+    }
+--- request
+    GET /status
+--- response_body
+upstream backend
+  active connections: 0
+  max connections allowed: 10
+  overflow: reject
+
+upstream backend2
+  active connections: 0
+  max connections allowed: 0
+  overflow: ignore
+--- ONLY
+