def test_basics_dict(self):
d = {'a': 1, 'b': 2}
t = track(d)
self.assertTrue(istracked(t))
self.assertTrue(t.__subject__ == d)
t['b'] = [3]
self.assertTrue(istracked(t['b']))
def test_basics_list(self):
l = [0, 1]
t = track(l)
self.assertTrue(istracked(t))
self.assertTrue(t.__subject__ == l)
t[1] = ['a']
self.assertTrue(istracked(t[1]))
def test_atomic_ctxtmgr_exception(self):
original = {'a': {'b': 1}}
call_count = 0
def cb(data):
nonlocal call_count
call_count += 1
t = track(copy.deepcopy(original), change_callback=cb)
with self.assertRaises(RuntimeError):
with atomic(t):
t['a']['b'] = [2, 3]
raise RuntimeError('Something failed')
self.assertTrue(t['a']['b'] == 1, t['a']['b'])
self.assertTrue(t == original, t)
self.assertTrue(istracked(t['a']))
self.assertTrue(call_count == 0, call_count)
def test_atomic_ctxtmgr_baseline(self):
t = track({'a': 1})
with atomic(t):
t['a'] = { 'b': [2, 3]}
self.assertTrue(t['a']['b'][1] == 3)
self.assertTrue(istracked(t['a']['b']))
def test_basics_set(self):
s = {'a', 'b'}
t = track(s)
self.assertTrue(istracked(t))
self.assertTrue(t.__subject__ == s)