From 48f5c4eec6c85b5c91e8d45921afe8d62410239b Mon Sep 17 00:00:00 2001 From: Brett Cannon Date: Thu, 5 Feb 2009 22:02:03 +0000 Subject: Implement test for sys.path_importer_cache having None for importlib.machinery.PathFinder. --- Lib/importlib/test/import_/test_path.py | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/Lib/importlib/test/import_/test_path.py b/Lib/importlib/test/import_/test_path.py index 3eb22c9..70dae2f 100644 --- a/Lib/importlib/test/import_/test_path.py +++ b/Lib/importlib/test/import_/test_path.py @@ -3,6 +3,7 @@ from .. import util from . import util as import_util from contextlib import nested from imp import new_module +import os import sys from types import MethodType import unittest @@ -191,8 +192,19 @@ class FinderTests(unittest.TestCase): def test_path_importer_cache_has_None(self): # Test that the default hook is used when sys.path_importer_cache # contains None for a path. - # TODO(brett.cannon) implement - pass + module = '' + importer = util.mock_modules(module) + path = '' + # XXX Not blackbox. + original_hook = machinery.PathFinder._default_hook + mock_hook = import_util.mock_path_hook(path, importer=importer) + machinery.PathFinder._default_hook = staticmethod(mock_hook) + try: + with util.import_state(path_importer_cache={path: None}): + loader = machinery.PathFinder.find_module(module, path=[path]) + self.assert_(loader is importer) + finally: + machinery.PathFinder._default_hook = original_hook def test_path_hooks(self): # Test that sys.path_hooks is used. -- cgit v0.12