commit e3f20828f6b7f59baa2d25437176ee32ae7700b0
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Tue Aug 28 04:41:43 2018 -0400
committer Serhiy Storchaka <storchaka@gmail.com> Tue Aug 28 11:41:43 2018 +0300
tree 909eda66bab7ff51dc1c384e1e79ca8a6a68a844
parent 2cf33161f7cb4ca726c74fcfa2d6db27073953d8

bpo-34171: Fix test_trace. (GH-8940) (GH-8951)

Remove "trace.cover" left from previous test runs before testing
that it is no longer created.
(cherry picked from commit b44a1d4f71daf4edb948b9878f82a60891e4a2e1)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Lib/test/test_trace.py

diff --git a/Lib/test/test_trace.py b/Lib/test/test_trace.py
index 3b335ca..63f4741 100644
--- a/Lib/test/test_trace.py
+++ b/Lib/test/test_trace.py
@@ -385,13 +385,16 @@
         unlink(self.coverfile)
 
     def test_cover_files_written_no_highlight(self):
+        # Test also that the cover file for the trace module is not created
+        # (issue #34171).
+        tracedir = os.path.dirname(os.path.abspath(trace.__file__))
+        tracecoverpath = os.path.join(tracedir, 'trace.cover')
+        unlink(tracecoverpath)
+
         argv = '-m trace --count'.split() + [self.codefile]
         status, stdout, stderr = assert_python_ok(*argv)
         self.assertEqual(stderr, b'')
-        tracedir = os.path.dirname(os.path.abspath(trace.__file__))
-        tracecoverpath = os.path.join(tracedir, "trace.cover")
         self.assertFalse(os.path.exists(tracecoverpath))
-
         self.assertTrue(os.path.exists(self.coverfile))
         with open(self.coverfile) as f:
             self.assertEqual(f.read(),