def test_pop_invalid_pos():
grid = Grid(columns=["id", "a"])
row = {"id": Ref("myid"), "a": 1, "b": 2}
grid.append(row)
old = grid.pop(-1)
assert grid
assert not old
def test_pop_multiple_pos():
grid = Grid(columns=["id", "a"])
row = {"id": Ref("id2"), "a": 1, "b": 2}
grid.append(row)
old = grid.pop(0, 1)
assert not grid
assert id(old) == id(row)
def test_pop_key():
grid = Grid(columns=["id", "a"])
row = {"id": Ref("myid"), "a": 1, "b": 2}
grid.append(row)
old = grid.pop(Ref("myid"))
assert not grid
assert id(old) == id(row)
def test_pop_multiple_keys():
grid = Grid(columns=["id", "a"])
row1 = {"id": Ref("id1"), "a": 1, "b": 2}
row2 = {"id": Ref("id2"), "a": 1, "b": 2}
grid.append(row1)
grid.append(row2)
old = grid.pop(Ref("id1"), Ref("id2"))
assert not grid
assert id(old) == id(row1)
