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Added test for namespace package dynamic path updates.

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This commit is contained in:
Eric V. Smith 2012-05-25 11:25:27 -04:00
parent 739ae5692e
commit f879e32cc5
1 changed files with 45 additions and 0 deletions
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45
Lib/test/test_namespace_pkgs.py
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@ -206,6 +206,51 @@ def test_non_namespace_package_takes_precedence(self):
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']