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# FIXME:
# mypy: disable-error-code="misc"
from collections.abc import MutableSequence
import pytest
from frozenlist import FrozenList, PyFrozenList
class FrozenListMixin:
FrozenList = NotImplemented
SKIP_METHODS = {"__abstractmethods__", "__slots__"}
def test_subclass(self) -> None:
assert issubclass(self.FrozenList, MutableSequence)
def test_iface(self) -> None:
for name in set(dir(MutableSequence)) - self.SKIP_METHODS:
if name.startswith("_") and not name.endswith("_"):
continue
assert hasattr(self.FrozenList, name)
def test_ctor_default(self) -> None:
_list = self.FrozenList([])
assert not _list.frozen
def test_ctor(self) -> None:
_list = self.FrozenList([1])
assert not _list.frozen
def test_ctor_copy_list(self) -> None:
orig = [1]
_list = self.FrozenList(orig)
del _list[0]
assert _list != orig
def test_freeze(self) -> None:
_list = self.FrozenList()
_list.freeze()
assert _list.frozen
def test_repr(self) -> None:
_list = self.FrozenList([1])
assert repr(_list) == "<FrozenList(frozen=False, [1])>"
_list.freeze()
assert repr(_list) == "<FrozenList(frozen=True, [1])>"
def test_getitem(self) -> None:
_list = self.FrozenList([1, 2])
assert _list[1] == 2
def test_setitem(self) -> None:
_list = self.FrozenList([1, 2])
_list[1] = 3
assert _list[1] == 3
def test_delitem(self) -> None:
_list = self.FrozenList([1, 2])
del _list[0]
assert len(_list) == 1
assert _list[0] == 2
def test_len(self) -> None:
_list = self.FrozenList([1])
assert len(_list) == 1
def test_iter(self) -> None:
_list = self.FrozenList([1, 2])
assert list(iter(_list)) == [1, 2]
def test_reversed(self) -> None:
_list = self.FrozenList([1, 2])
assert list(reversed(_list)) == [2, 1]
def test_eq(self) -> None:
_list = self.FrozenList([1])
assert _list == [1]
def test_ne(self) -> None:
_list = self.FrozenList([1])
assert _list != [2]
def test_le(self) -> None:
_list = self.FrozenList([1])
assert _list <= [1]
def test_lt(self) -> None:
_list = self.FrozenList([1])
assert _list < [3]
def test_ge(self) -> None:
_list = self.FrozenList([1])
assert _list >= [1]
def test_gt(self) -> None:
_list = self.FrozenList([2])
assert _list > [1]
def test_insert(self) -> None:
_list = self.FrozenList([2])
_list.insert(0, 1)
assert _list == [1, 2]
def test_frozen_setitem(self) -> None:
_list = self.FrozenList([1])
_list.freeze()
with pytest.raises(RuntimeError):
_list[0] = 2
def test_frozen_delitem(self) -> None:
_list = self.FrozenList([1])
_list.freeze()
with pytest.raises(RuntimeError):
del _list[0]
def test_frozen_insert(self) -> None:
_list = self.FrozenList([1])
_list.freeze()
with pytest.raises(RuntimeError):
_list.insert(0, 2)
def test_contains(self) -> None:
_list = self.FrozenList([2])
assert 2 in _list
def test_iadd(self) -> None:
_list = self.FrozenList([1])
_list += [2]
assert _list == [1, 2]
def test_iadd_frozen(self) -> None:
_list = self.FrozenList([1])
_list.freeze()
with pytest.raises(RuntimeError):
_list += [2]
assert _list == [1]
def test_index(self) -> None:
_list = self.FrozenList([1])
assert _list.index(1) == 0
def test_remove(self) -> None:
_list = self.FrozenList([1])
_list.remove(1)
assert len(_list) == 0
def test_remove_frozen(self) -> None:
_list = self.FrozenList([1])
_list.freeze()
with pytest.raises(RuntimeError):
_list.remove(1)
assert _list == [1]
def test_clear(self) -> None:
_list = self.FrozenList([1])
_list.clear()
assert len(_list) == 0
def test_clear_frozen(self) -> None:
_list = self.FrozenList([1])
_list.freeze()
with pytest.raises(RuntimeError):
_list.clear()
assert _list == [1]
def test_extend(self) -> None:
_list = self.FrozenList([1])
_list.extend([2])
assert _list == [1, 2]
def test_extend_frozen(self) -> None:
_list = self.FrozenList([1])
_list.freeze()
with pytest.raises(RuntimeError):
_list.extend([2])
assert _list == [1]
def test_reverse(self) -> None:
_list = self.FrozenList([1, 2])
_list.reverse()
assert _list == [2, 1]
def test_reverse_frozen(self) -> None:
_list = self.FrozenList([1, 2])
_list.freeze()
with pytest.raises(RuntimeError):
_list.reverse()
assert _list == [1, 2]
def test_pop(self) -> None:
_list = self.FrozenList([1, 2])
assert _list.pop(0) == 1
assert _list == [2]
def test_pop_default(self) -> None:
_list = self.FrozenList([1, 2])
assert _list.pop() == 2
assert _list == [1]
def test_pop_frozen(self) -> None:
_list = self.FrozenList([1, 2])
_list.freeze()
with pytest.raises(RuntimeError):
_list.pop()
assert _list == [1, 2]
def test_append(self) -> None:
_list = self.FrozenList([1, 2])
_list.append(3)
assert _list == [1, 2, 3]
def test_append_frozen(self) -> None:
_list = self.FrozenList([1, 2])
_list.freeze()
with pytest.raises(RuntimeError):
_list.append(3)
assert _list == [1, 2]
def test_hash(self) -> None:
_list = self.FrozenList([1, 2])
with pytest.raises(RuntimeError):
hash(_list)
def test_hash_frozen(self) -> None:
_list = self.FrozenList([1, 2])
_list.freeze()
h = hash(_list)
assert h == hash((1, 2))
def test_dict_key(self) -> None:
_list = self.FrozenList([1, 2])
with pytest.raises(RuntimeError):
{_list: "hello"}
_list.freeze()
{_list: "hello"}
def test_count(self) -> None:
_list = self.FrozenList([1, 2])
assert _list.count(1) == 1
class TestFrozenList(FrozenListMixin):
FrozenList = FrozenList # type: ignore[assignment] # FIXME
class TestFrozenListPy(FrozenListMixin):
FrozenList = PyFrozenList # type: ignore[assignment] # FIXME
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