def test_update(self):
d = Data()
d.update({'a': 1})
self.assertEqual(d.a, 1)
self.assertEqual(d.assigns['a'], '.update')
d1 = Data()
d1.b = 1
d1.use('c', 2)
d.update(d1)
self.assertEqual(d.b, 1)
self.assertEqual(d.c, 2)
def test_parse(self):
d = Data()
d.use('a', 0.0)
d.parse('a', '1.0')
self.assertEqual(d.a, 1.0)
self.assertEqual(type(d.a), float)
def test_clear(self):
d = Data()
d.use('a', 1)
d.a = 2
d.clear('a')
self.assertEqual(d.a, 1)
def test_use(self):
d = Data()
d.use('a', 1)
self.assertEqual(d.defaults['a'], 1)
