tests: page backup in multiple workers

Author: gsmolk

tests/page.py

@@ -149,7 +149,10 @@ def test_page_stream(self):
         page_result = node.execute("postgres", "SELECT * FROM t_heap")
         page_backup_id = self.backup_node(
             backup_dir, 'node', node,
-            backup_type='page', options=['--stream'])
+            backup_type='page', options=['--stream', '-j', '4'])
+
+        if self.paranoia:
+            pgdata = self.pgdata_content(node.data_dir)
 
         # Drop Node
         node.cleanup()
@@ -162,6 +165,12 @@ def test_page_stream(self):
                 backup_id=full_backup_id, options=["-j", "4"]),
             '\n Unexpected Error Message: {0}\n'
             ' CMD: {1}'.format(repr(self.output), self.cmd))
+
+        # GET RESTORED PGDATA AND COMPARE
+        if self.paranoia:
+            pgdata_restored = self.pgdata_content(node.data_dir)
+            self.compare_pgdata(pgdata, pgdata_restored)
+
         node.slow_start()
         full_result_new = node.execute("postgres", "SELECT * FROM t_heap")
         self.assertEqual(full_result, full_result_new)