def test_pop_failure(self):
instance = QSO()
with pytest.raises(KeyError):
instance.pop('key')
def test_pop_failures(self, key):
instance = QSO()
with pytest.raises(KeyError):
instance.pop(key)
def test_pop_defaults(self):
instance = QSO()
assert instance.pop(default=None) is None
assert instance.pop(0, None) is None
assert instance.pop('named', None) is None
def test_pop_examples(self, src, key, expect, value):
instance = QSO(src)
result = instance.pop(key)
assert str(instance) == expect
assert result == value
