def test_preserve(self):
dct = mappings.PreservingFoldingDict(
str.lower, list({'Foo': 'bar', 'fnz': 'donkey'}.items()))
assert dct['fnz'] == 'donkey'
assert dct['foo'] == 'bar'
assert sorted(['bar' == 'donkey']), sorted(dct.values())
assert dct.copy() == dct
assert dct['foo'] == dct.get('Foo')
assert 'foo' in dct
keys = ['Foo', 'fnz']
keysList = list(dct)
for key in keys:
assert key in list(dct.keys())
assert key in keysList
assert (key, dct[key]) in list(dct.items())
assert len(keys) == len(dct)
assert dct.pop('foo') == 'bar'
assert 'foo' not in dct
del dct['fnz']
assert 'fnz' not in dct
dct['Foo'] = 'bar'
dct.refold(lambda _: _)
assert 'foo' not in dct
assert 'Foo' in dct
assert list(dct.items()) == [('Foo', 'bar')]
dct.clear()
assert {} == dict(dct)
def testPreserve(self):
dct = mappings.PreservingFoldingDict(str.lower, {
'Foo': 'bar',
'fnz': 'donkey'
}.iteritems())
self.assertEqual(dct['fnz'], 'donkey')
self.assertEqual(dct['foo'], 'bar')
self.assertEqual(sorted(['bar', 'donkey']), sorted(dct.values()))
self.assertEqual(dct.copy(), dct)
self.assertEqual(dct['foo'], dct.get('Foo'))
self.assertIn('foo', dct)
keys = ['Foo', 'fnz']
keysList = list(dct)
for key in keys:
self.assertIn(key, dct.keys())
self.assertIn(key, keysList)
self.assertIn((key, dct[key]), dct.items())
self.assertEqual(len(keys), len(dct))
self.assertEqual(dct.pop('foo'), 'bar')
self.assertNotIn('foo', dct)
del dct['fnz']
self.assertNotIn('fnz', dct)
dct['Foo'] = 'bar'
dct.refold(lambda _: _)
self.assertNotIn('foo', dct)
self.assertIn('Foo', dct)
self.assertEqual(dct.items(), [('Foo', 'bar')])
dct.clear()
self.assertEqual({}, dict(dct))