def test_update(self):
""" This maintains `dict`s functionality, only merging the
top-level keys.
"""
d, e, = NestedDict(), NestedDict()
d[1, 2, 3] = [1, 2]
d[2, 'k'] = 16
e[1, 2, 4] = [3, 4]
e[3] = 'hello'
d.update(e)
assert (d == {1: {2: {4: [3, 4]}}, 2: {'k': 16}, 3: 'hello'})
def test_update(self):
x = NestedDict({"a": 1, "b": 2})
y = NestedDict({"c": 3, "d": 4})
x.update(y)
self.assertEqual(len(x), 4)
self.assertEqual(len(y), 2)
self.assertEqual(x['a'], 1)
self.assertEqual(x['b'], 2)
self.assertEqual(x['c'], 3)
self.assertEqual(x['d'], 4)
x = NestedDict({"a": 1, "b": 2})
y = NestedDict({"c": 3, "d": 4})
x.update(y, w=10, x=11)
self.assertEqual(len(x), 6)
self.assertEqual(len(y), 2)
self.assertEqual(x['a'], 1)
self.assertEqual(x['b'], 2)
self.assertEqual(x['c'], 3)
self.assertEqual(x['d'], 4)
self.assertEqual(x['w'], 10)
self.assertEqual(x['x'], 11)
