def test_get_for_invalidated_key(self):
config = MemoryConfig()
config.set('key', '2')
version = Version()
prop = Property('key', 1, int, config, version)
self.assertEqual(2, prop.get())
config.set('key', '3')
version.number += 1
self.assertEqual(3, prop.get())
def test_get_for_nonexistent_key(self):
prop = Property('key', 1, int, MemoryConfig(), Version())
self.assertEqual(1, prop.get())
def test_get_for_nonexistent_key_with_callable_default_value(self):
prop = Property('key', lambda: 1, int, MemoryConfig(), Version())
self.assertEqual(1, prop.get())
def test_get_for_existent_key(self):
config = MemoryConfig()
config.set('key', '2')
prop = Property('key', 1, int, config, Version())
self.assertEqual(2, prop.get())