def test_registered_and_getting_builders(self):
registry = Registry()
registry.register('Foo', FooBuilder)
registry.register('Bar', BarBuilder)
self.assertEquals(FooBuilder, registry.get('Foo'))
self.assertEquals(BarBuilder, registry.get('Bar'))
def test_getting_unkown_builder_raises_KeyError(self):
registry = Registry()
with self.assertRaises(KeyError) as cm:
registry.get('My Type')
self.assertEquals(
"'Unkown builder \"My Type\"'",
str(cm.exception))
def test_overriding_registered_builders_raises_ValueError(self):
registry = Registry()
registry.register('Foo', FooBuilder)
with self.assertRaises(ValueError) as cm:
registry.register('Foo', BarBuilder)
self.assertEqual(
'Builder "Foo" is already registered (FooBuilder)',
str(cm.exception))
def test_overriding_registered_builders_is_possible_with_force(self):
registry = Registry()
registry.register('Foo', FooBuilder)
registry.register('Foo', BarBuilder, force=True)
self.assertEqual(BarBuilder, registry.get('Foo'))
