def test_1(self):
entry = Entry()
value1 = 1
self.assertNotEquals(entry.current_value, value1)
entry.current_value = value1
self.assertEquals(entry.current_value, value1)
self.assertTrue(entry.has_changed())
self.assertEquals(entry.diff(), (None, value1))
self.assertTrue(entry.has_changed())
entry.receive_storage_ack()
self.assertFalse(entry.has_changed())
self.assertEquals(entry.current_value, value1)
#TODO: use a more precise exception
with self.assertRaises(Exception):
entry.diff()
value2 = 2
entry.current_value = value2
self.assertEquals(entry.current_value, value2)
self.assertTrue(entry.has_changed())
self.assertEquals(entry.diff(), (value1, value2))
entry.receive_storage_ack()
self.assertFalse(entry.has_changed())
self.assertEquals(entry.current_value, value2)
def test_boolean(self):
entry = Entry()
entry.current_value = False
self.assertTrue(entry.has_changed())
self.assertEquals(entry.diff(), (None, False))
entry.receive_storage_ack()
self.assertFalse(entry.has_changed())
entry.current_value = None
self.assertTrue(entry.has_changed())
self.assertEquals(entry.diff(), (False, None))
def test_clone(self):
value1 = [1]
value2 = {2}
e1 = Entry(value1)
e1.current_value = value2
self.assertEquals(e1.diff(), (value1, value2))
e2 = e1.clone()
self.assertEquals(e1.diff(), e2.diff())
value3 = {"f": "3"}
e1.current_value = value3
self.assertEquals(e1.diff(), (value1, value3))
self.assertEquals(e2.diff(), (value1, value2))