diff options
| -rw-r--r-- | Lib/test/test_namespace_pkgs.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Lib/test/test_namespace_pkgs.py b/Lib/test/test_namespace_pkgs.py index 176ddd3..02b5528 100644 --- a/Lib/test/test_namespace_pkgs.py +++ b/Lib/test/test_namespace_pkgs.py @@ -206,6 +206,51 @@ class LegacySupport(NamespacePackageTest): self.assertNotIn('namespace', str(foo.__loader__).lower()) +class DynamicPathCalculation(NamespacePackageTest): + paths = ['project1', 'project2'] + + def test_project3_fails(self): + import parent.child.one + self.assertEqual(len(parent.__path__), 2) + self.assertEqual(len(parent.child.__path__), 2) + import parent.child.two + self.assertEqual(len(parent.__path__), 2) + self.assertEqual(len(parent.child.__path__), 2) + + self.assertEqual(parent.child.one.attr, 'parent child one') + self.assertEqual(parent.child.two.attr, 'parent child two') + + with self.assertRaises(ImportError): + import parent.child.three + + self.assertEqual(len(parent.__path__), 2) + self.assertEqual(len(parent.child.__path__), 2) + + def test_project3_succeeds(self): + import parent.child.one + self.assertEqual(len(parent.__path__), 2) + self.assertEqual(len(parent.child.__path__), 2) + import parent.child.two + self.assertEqual(len(parent.__path__), 2) + self.assertEqual(len(parent.child.__path__), 2) + + self.assertEqual(parent.child.one.attr, 'parent child one') + self.assertEqual(parent.child.two.attr, 'parent child two') + + with self.assertRaises(ImportError): + import parent.child.three + + # now add project3 + sys.path.append(os.path.join(self.root, 'project3')) + import parent.child.three + + # the paths dynamically get longer, to include the new directories + self.assertEqual(len(parent.__path__), 3) + self.assertEqual(len(parent.child.__path__), 3) + + self.assertEqual(parent.child.three.attr, 'parent child three') + + class ZipWithMissingDirectory(NamespacePackageTest): paths = ['missing_directory.zip'] |