From 5b4685eb3ab662a00102fcac45bb0d6667e7dd56 Mon Sep 17 00:00:00 2001
From: Grigory Smolkin <g.smolkin@postgrespro.ru>
Date: Wed, 17 Apr 2019 02:13:56 +0300
Subject: [PATCH] tests: fix missing _ptrack fork for 0 sized relations

---
 tests/helpers/ptrack_helpers.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/helpers/ptrack_helpers.py b/tests/helpers/ptrack_helpers.py
index fe730354..55eafc2c 100644
--- a/tests/helpers/ptrack_helpers.py
+++ b/tests/helpers/ptrack_helpers.py
@@ -431,7 +431,12 @@ class ProbackupTest(object):
             header_size = 24
         ptrack_bits_for_fork = []
 
+        # TODO: use macro instead of hard coded 8KB
         page_body_size = 8192-header_size
+        # Check that if main fork file size is 0, it`s ok
+        # to not having a _ptrack fork
+        if os.path.getsize(file) == 0:
+            return ptrack_bits_for_fork
         byte_size = os.path.getsize(file + '_ptrack')
         npages = byte_size/8192
         if byte_size % 8192 != 0: