def test_frozendict_hash(d1, d2):
fd1 = frozendict(d1)
fd2 = frozendict(d2)
s = set()
s.add(fd1)
assert fd1 in s
assert fd1.copy() in s
assert fd1 != fd2
assert fd2 not in s
s.add(fd2)
assert fd2 in s
assert fd1 in s
assert len(s) == 2
def test_not_equal():
fd = frozendict(spam="spam")
assert fd == dict(spam="spam")
assert fd != dict(spam="spam", eggs="eggs")
assert fd != dict(spam="not spam")
assert fd != dict(eggs="eggs")
assert fd != "spam"
def test_frozendict_from_dict(d):
fd = frozendict(d)
assert all(fd[k] == v for k, v in d.items())
assert fd == d
assert repr(d) in repr(fd)
assert str(d) in str(fd)
d["foo"] = "bar"
assert "foo" not in fd
assert fd != d
def test_frozendict_copy(d):
fd1 = frozendict(d)
fd2 = fd1.copy()
assert fd1 == fd2
assert fd1 is not fd2
def test_frozendict_from_nothing():
fd = frozendict()
assert not len(fd)
assert not fd
def test_frozendict_from_self(d):
fd1 = frozendict(d)
fd2 = frozendict(fd1)
assert all(fd2[k] == v for k, v in fd1.items())
assert fd1 == fd2
assert fd2 == d
def test_frozendict_from_dict_and_kwargs(d1, d2):
fd = frozendict(d1, **d2)
d = {**d1, **d2}
assert all(fd[k] == v for k, v in d.items())
assert fd == d
assert frozendict(d1) | frozendict(d2) == fd
def test_frozendict_from_kwargs(d):
fd = frozendict(**d)
assert all(fd[k] == v for k, v in d.items())
assert fd == d
def test_frozendict_from_iterable(d):
fd = frozendict(d)
assert all(fd[k] == v for k, v in d)