commit 80e9fedcf579537c5bc51ff3c9c18d14d9598564
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Sat Aug 25 03:47:22 2018 -0400
committer GitHub <noreply@github.com> Sat Aug 25 03:47:22 2018 -0400
tree d9df2e5eae88adf0116e67c20ef11cc1e4963755
parent 46af206ea4e9d67375559f8c584a996f70b7b7e5

bpo-34171: Prevent creating Lib/trace.cover when run the trace module. (GH-8841)

(cherry picked from commit c406d5cd74002964a64c3eb7d9e2445a7fd3a03f)

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 dc9b3fa..3b335ca 100644
--- a/Lib/test/test_trace.py
+++ b/Lib/test/test_trace.py
@@ -387,6 +387,11 @@
     def test_cover_files_written_no_highlight(self):
         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(),