def test_getitem(self):
d = Data()
d.a = 1
d.a_a = 2
self.assertEqual(d['a'], d.a)
d.select('a')
self.assertEqual(d['a'], d.a)
def test_getattr(self):
d = Data()
d.a = 1
d.a_a = 2
self.assertEqual(d.a, 1)
d.select('a')
self.assertEqual(d.a, 2)
def test_select(self):
d = Data()
d.a = 1
d.select('b')
d.a = 2
self.assertEqual(d.a, 2)
d.select()
self.assertEqual(d.a, 1)
def test_setitem(self):
d = Data()
d['a'] = 1
d.select('a')
d['a'] = 2
self.assertEqual(d['a'], 2)
d.select('')
self.assertEqual(d['a'], 1)
def test_keys(self):
d = Data()
d.a = 1
d.a_b = 2
self.assertEqual(len(d.keys()), 2)
d.select('a')
res = d.keys()
self.assertEqual(len(res), 1)
self.assertEqual(res[0], 'b')
def test_get(self):
d = Data()
d.a = 1
d.b = 2
d.a_a = 3
self.assertEqual(d.get('a', 0), 1)
self.assertEqual(d.get('c', 0), 0)
d.select('a')
self.assertEqual(d.get('a', 0), 3)
self.assertEqual(d.get('b', 0), 0)
def test_history(self):
d = Data()
d.history['a'] = {}
d.a = 1
self.assertEqual(d.history['a'][-1][1], 1)
d.select('a')
d.a = 0
d.history['a_a'] = {}
d.a = 2
self.assertEqual(d.history['a_a'][-1][1], 2)
def test_make_key(self):
d = Data()
self.assertEqual(d.make_key('a'), 'a')
d.select('s')
self.assertEqual(d.make_key('a'), 's_a')
def test_get_prefix(self):
d = Data()
self.assertEqual(d.get_prefix(), '')
d.select('a')
self.assertEqual(d.get_prefix(), 'a_')
