diff options
-rw-r--r-- | certbot/tests/cli_test.py | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/certbot/tests/cli_test.py b/certbot/tests/cli_test.py index 3a7fb57f8..be2c8f29e 100644 --- a/certbot/tests/cli_test.py +++ b/certbot/tests/cli_test.py @@ -30,15 +30,23 @@ class TestReadFile(TempDirTestCase): # However a relative path between two different drives is invalid. So we move to # self.tempdir to ensure that we stay on the same drive. os.chdir(self.tempdir) - rel_test_path = os.path.relpath(os.path.join(self.tempdir, 'foo')) + # The read-only filesystem introduced with macOS Catalina can break + # code using relative paths below. See + # https://bugs.python.org/issue38295 for another example of this. + # Eliminating any possible symlinks in self.tempdir before passing + # it to os.path.relpath solves the problem. This is done by calling + # filesystem.realpath which removes any symlinks in the path on + # POSIX systems. + real_path = filesystem.realpath(os.path.join(self.tempdir, 'foo')) + relative_path = os.path.relpath(real_path) self.assertRaises( - argparse.ArgumentTypeError, cli.read_file, rel_test_path) + argparse.ArgumentTypeError, cli.read_file, relative_path) test_contents = b'bar\n' - with open(rel_test_path, 'wb') as f: + with open(relative_path, 'wb') as f: f.write(test_contents) - path, contents = cli.read_file(rel_test_path) + path, contents = cli.read_file(relative_path) self.assertEqual(path, os.path.abspath(path)) self.assertEqual(contents, test_contents) finally: |