diff options
Diffstat (limited to 'Lib/test/test_cmd_line.py')
| -rw-r--r-- | Lib/test/test_cmd_line.py | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py index a89d7e4..6684e51 100644 --- a/Lib/test/test_cmd_line.py +++ b/Lib/test/test_cmd_line.py @@ -213,6 +213,23 @@ class CmdLineTest(unittest.TestCase): self.assertIn(path1.encode('ascii'), out) self.assertIn(path2.encode('ascii'), out) + def test_empty_PYTHONPATH_issue16309(self): + # On Posix, it is documented that setting PATH to the + # empty string is equivalent to not setting PATH at all, + # which is an exception to the rule that in a string like + # "/bin::/usr/bin" the empty string in the middle gets + # interpreted as '.' + code = """if 1: + import sys + path = ":".join(sys.path) + path = path.encode("ascii", "backslashreplace") + sys.stdout.buffer.write(path)""" + rc1, out1, err1 = assert_python_ok('-c', code, PYTHONPATH="") + rc2, out2, err2 = assert_python_ok('-c', code) + # regarding to Posix specification, outputs should be equal + # for empty and unset PYTHONPATH + self.assertEqual(out1, out2) + def test_displayhook_unencodable(self): for encoding in ('ascii', 'latin-1', 'utf-8'): env = os.environ.copy() @@ -290,7 +307,7 @@ class CmdLineTest(unittest.TestCase): rc, out, err = assert_python_ok('-c', code) self.assertEqual(b'', out) self.assertRegex(err.decode('ascii', 'ignore'), - 'Exception OSError: .* ignored') + 'Exception ignored in.*\nOSError: .*') def test_closed_stdout(self): # Issue #13444: if stdout has been explicitly closed, we should |