Pass DB port to NodeApp (#132)

Author: asavchkov

testgres/node.py

@@ -127,7 +127,7 @@ def __repr__(self):
 
 
 class PostgresNode(object):
-    def __init__(self, name=None, port=None, base_dir=None, conn_params: ConnectionParams = ConnectionParams(), bin_dir=None, prefix=None):
+    def __init__(self, name=None, base_dir=None, port=None, conn_params: ConnectionParams = ConnectionParams(), bin_dir=None, prefix=None):
         """
         PostgresNode constructor.
 
@@ -156,9 +156,9 @@ def __init__(self, name=None, port=None, base_dir=None, conn_params: ConnectionP
         else:
             self.os_ops = LocalOperations(conn_params)
 
+        self.host = self.os_ops.host
         self.port = port or reserve_port()
 
-        self.host = self.os_ops.host
         self.ssh_key = self.os_ops.ssh_key
 
         # defaults for __exit__()
@@ -1690,12 +1690,13 @@ def __init__(self, test_path, nodes_to_cleanup, os_ops=LocalOperations()):
 
     def make_empty(
             self,
-            base_dir=None):
+            base_dir=None,
+            port=None):
         real_base_dir = os.path.join(self.test_path, base_dir)
         self.os_ops.rmdirs(real_base_dir, ignore_errors=True)
         self.os_ops.makedirs(real_base_dir)
 
-        node = PostgresNode(base_dir=real_base_dir)
+        node = PostgresNode(base_dir=real_base_dir, port=port)
         node.should_rm_dirs = True
         self.nodes_to_cleanup.append(node)
 
@@ -1704,14 +1705,15 @@ def make_empty(
     def make_simple(
             self,
             base_dir=None,
+            port=None,
             set_replication=False,
             ptrack_enable=False,
             initdb_params=[],
             pg_options={},
             checksum=True):
         if checksum and '--data-checksums' not in initdb_params:
             initdb_params.append('--data-checksums')
-        node = self.make_empty(base_dir)
+        node = self.make_empty(base_dir, port)
         node.init(
             initdb_params=initdb_params, allow_streaming=set_replication)