def test_is_singleton_over_multiple_imports(self):
Registry.register_item("resource1", sentinel.resource1)
from provisioningserver.drivers import Registry as Registry2
Registry2.register_item("resource2", sentinel.resource2)
self.assertItemsEqual(
[
("resource1", sentinel.resource1),
("resource2", sentinel.resource2),
],
Registry2,
)
def test_registered_items_are_stored_separately_by_registry(self):
class RegistryOne(Registry):
"""A registry distinct from the base `Registry`."""
class RegistryTwo(Registry):
"""A registry distinct from the base `Registry`."""
name = self.getUniqueString()
Registry.register_item(name, sentinel.item)
RegistryOne.register_item(name, sentinel.item_in_one)
RegistryTwo.register_item(name, sentinel.item_in_two)
# Items stored in separate registries are stored separately;
# names do not clash between registries.
self.assertEqual(sentinel.item, Registry.get_item(name))
self.assertEqual(sentinel.item_in_one, RegistryOne.get_item(name))
self.assertEqual(sentinel.item_in_two, RegistryTwo.get_item(name))
def test_duplicate_key(self):
Registry.register_item("resource", sentinel.resource)
self.assertRaises(KeyError, Registry.register_item, "resource",
sentinel.resource)
def test_contains__(self):
Registry.register_item("resource", sentinel.resource)
self.assertIn("resource", Registry)
def test_get_item_returns_None_default(self):
self.assertIsNone(Registry.get_item("resource"))
def test_get_item_returns_default_if_value_not_present(self):
self.assertEqual(sentinel.default,
Registry.get_item("resource", sentinel.default))
def test_get_item(self):
Registry.register_item("resource", sentinel.resource)
self.assertEqual(sentinel.resource, Registry.get_item("resource"))
def test_register_and_unregister_item(self):
name = self.getUniqueString()
Registry.register_item(name, sentinel.item)
Registry.unregister_item(name)
self.assertIsNone(Registry.get_item(name))
self.assertNotIn(name, Registry)
def test_register_and_get_item(self):
name = self.getUniqueString()
item = self.getUniqueString()
Registry.register_item(name, item)
self.assertEqual(item, Registry.get_item(name))
def test___getitem__(self):
Registry.register_item("resource", sentinel.resource)
self.assertEqual(sentinel.resource, Registry["resource"])
