def test_keys_values_items_containment_and_length(self):
d = FancyDict(a=2, b=3, c=4, d=5)
self.assertEqual(set(d.keys()), {'a', 'b', 'c', 'd'})
self.assertEqual(set(d.values()), {2, 3, 4, 5})
self.assertEqual(
set(d.items()),
{('a', 2), ('b', 3), ('c', 4), ('d', 5)},
)
self.assertEqual(len(d), 4)
self.assertTrue('a' in d)
self.assertFalse('a' not in d)
self.assertFalse('e' in d)
self.assertTrue('e' not in d)
self.assertNotIn('get', d)
with self.assertRaises(KeyError):
d['get']
with self.assertRaises(KeyError):
d['keys']
self.assertNotIn('values', d)
self.assertNotIn('setdefault', d)
self.assertEqual(d.pop('b', None), 3)
self.assertNotIn('b', d)
self.assertEqual(d.pop('b', None), None)
self.assertNotIn('b', d)
with self.assertRaises(KeyError):
d.pop('b')
def test_allow_setting_keys_and_attributes(self):
d = FancyDict({'a': 2, 'b': 3})
d['a'] = 4
self.assertEqual(d['a'], 4)
self.assertEqual(d.a, 4)
d.c = 9
self.assertEqual(d['c'], 9)
self.assertEqual(d.c, 9)
self.assertEqual(d['b'], 3)
x = FancyDict()
y = FancyDict()
x.a = 4
y.a = 5
self.assertEqual(x.a, 4)
def test_normalize_attribute(self):
d = FancyDict({'greeting 1': 'hi'}, normalize=True)
self.assertEqual(d['greeting 1'], 'hi')
self.assertEqual(d.greeting_1, 'hi')
d.greeting_2 = 'hello'
self.assertEqual(d['greeting 2'], 'hello')
self.assertEqual(d.greeting_2, 'hello')
d['greeting 2'] = 'hey'
self.assertEqual(d['greeting 2'], 'hey')
self.assertEqual(d.get('greeting 2'), 'hey')
self.assertEqual(d.greeting_2, 'hey')
with self.assertRaises(AttributeError):
d.greeting2
d = FancyDict({'greeting 1': 'hi'})
self.assertEqual(d['greeting 1'], 'hi')
with self.assertRaises(AttributeError):
d.greeting_1
def test_dir(self):
d = FancyDict(a=2, b=3, c=4, d=5)
self.assertIn('a', dir(d))
self.assertIn('b', dir(d))
self.assertIn('c', dir(d))
self.assertIn('d', dir(d))
def test_keyword_arguments_equality_and_get_method(self):
d = FancyDict(a=2, b=3, c=4, d=5)
self.assertEqual(d.a, 2)
self.assertEqual(d.b, 3)
self.assertEqual(d['c'], 4)
self.assertEqual(d['d'], 5)
x = FancyDict({'a': 2, 'b': 3})
y = FancyDict({'a': 2, 'b': 4})
self.assertNotEqual(x, y)
y.b = 3
self.assertEqual(x, y)
x.c = 5
self.assertNotEqual(x, y)
y.c = 5
self.assertEqual(x, y)
self.assertIsNone(y.get('d'))
self.assertEqual(y.get('c'), 5)
self.assertEqual(y.get('d', 5), 5)
def test_original_dictionary_unchanged(self):
mapping = {'a': 2, 'b': 3}
d = FancyDict(mapping)
d.c = 4
self.assertEqual(mapping, {'a': 2, 'b': 3})
def test_attribute_access(self):
d = FancyDict({'a': 2, 'b': 3})
self.assertEqual(d.a, 2)
self.assertEqual(d.b, 3)
def test_key_access(self):
d = FancyDict({'a': 2, 'b': 3})
self.assertEqual(d['a'], 2)
self.assertEqual(d['b'], 3)
def test_constructor(self):
FancyDict()
FancyDict({'a': 2, 'b': 3})