add pg_ctl method to PostgresNode

Author: funbringer

testgres/testgres.py

@@ -698,6 +698,17 @@ def reload(self, params=[]):
 
         return self
 
+    def pg_ctl(self, params):
+        """
+        Invoke pg_ctl with params.
+
+        Returns:
+            Stdout + stderr of pg_ctl.
+        """
+
+        _params = params + ["-D", self.data_dir, "-w"]
+        return _execute_utility("pg_ctl", _params, self.utils_logname)
+
     def free_port(self):
         """
         Reclaim port owned by this node.

tests/test_simple.py

@@ -382,6 +382,13 @@ def test_reload(self):
 
             self.assertEqual(pid1, pid2)
 
+    def test_pg_ctl(self):
+        with get_new_node('node') as node:
+            node.init().start()
+
+            status = node.pg_ctl(['status'])
+            self.assertTrue("server is running" in status)
+
     def test_ports_management(self):
         # check that no ports have been bound yet
         self.assertEqual(len(bound_ports), 0)