def test_initialized_empty():
pl = PathList()
assert len(pl) == 0
assert pl == []
assert "a" not in pl
assert pl.count("") == 0
with pytest.raises(ValueError):
pl.index(None)
with pytest.raises(IndexError):
_ = pl[1]
for x in pl:
assert False
def test_list_access():
pl = PathList([1, 2, 3])
assert 1 in pl
assert 3 in pl
assert pl == [1, 2, 3]
assert pl[0] == 1
assert pl[2] == 3
assert pl.count(1) == 1
assert pl[:2] == [1, 2]
assert pl[1:] == [2, 3]
assert pl[:] == [1, 2, 3]
assert pl[1:2] == [2]
assert pl[::2] == [1, 3]
assert pl[-1] == 3
assert pl[-2:] == [2, 3]
def test_pop():
pl = PathList([1, 2, 3])
assert pl.pop() == 3
assert pl == [1, 2]
assert pl.pop(0) == 1
assert pl == [2]
with pytest.raises(IndexError):
assert pl.pop(1)
assert pl.pop() == 2
assert pl == []
with pytest.raises(IndexError):
assert pl.pop()
def test_recursive_attrlist_conversion():
pl = PathList([1, [2, 3]])
assert isinstance(pl[1], PathList)
pl.append([4, 5])
assert isinstance(pl[2], PathList)
pl.extend([[7], 8])
assert isinstance(pl[3], PathList)
pl[0] = [0, 0, 0]
assert isinstance(pl[0], PathList)
def test_path_access():
pl = PathList([1, [2, 3]])
assert pl[Path(0)] == 1
assert pl[Path(1)] == [2, 3]
assert pl[Path(1, 1)] == 3
def test_is_list():
pl = PathList()
assert isinstance(pl, list)
assert isinstance(pl, Iterable)
assert isinstance(pl, MutableSequence)
def test_extend():
pl = PathList([1, 2])
pl.extend([4, 8])
assert pl == [1, 2, 4, 8]
def test_append():
pl = PathList([1, 2])
pl.append(8)
assert pl == [1, 2, 8]