def test_pop():
pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)]
shuffle(pairs)
od = OrderedDict(pairs)
shuffle(pairs)
while pairs:
k, v = pairs.pop()
assert od.pop(k) == v
with pytest.raises(KeyError):
od.pop('xyz')
assert len(od) == 0
assert od.pop(k, 12345) == 12345
# make sure pop still works when __missing__ is defined
class Missing(OrderedDict):
def __missing__(self, key):
return 0
m = Missing(a=1)
assert m.pop('b', 5) == 5
assert m.pop('a', 6) == 1
assert m.pop('a', 6) == 6
with pytest.raises(KeyError):
m.pop('a')
def test_od_pop():
od = OrderedDict([('a', 'b'), ('c', 'd'), ('foo', 'bar')])
assert od.pop('a') == 'b'
assert 'a' not in od
assert od.keys() == ['c', 'foo']
assert od.pop('bar', 1) == 1
with pytest.raises(KeyError):
od.pop('bar')
def test_od_pop():
od = OrderedDict([("a", "b"), ("c", "d"), ("foo", "bar")])
assert od.pop("a") == "b"
assert "a" not in od
assert od.keys() == ["c", "foo"]
assert od.pop("bar", 1) == 1
with pytest.raises(KeyError):
od.pop("bar")
def test_pop():
pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)]
shuffle(pairs)
od = OrderedDict(pairs)
shuffle(pairs)
while pairs:
k, v = pairs.pop()
assert od.pop(k) == v
with pytest.raises(KeyError):
od.pop('xyz')
assert len(od) == 0
assert od.pop(k, 12345) == 12345
# make sure pop still works when __missing__ is defined
class Missing(OrderedDict):
def __missing__(self, key):
return 0
m = Missing(a=1)
assert m.pop('b', 5) == 5
assert m.pop('a', 6) == 1
assert m.pop('a', 6) == 6
with pytest.raises(KeyError):
m.pop('a')