def test_drop():
"""blocks can be dropped downwards to their final position"""
field = Field(6, 4)
oblock1, oblock2, iblock = OBlock(field), OBlock(field), IBlock(field)
# Drop first O into bottom right corner
oblock1.position = 0, 0
oblock1.drop()
assert str(field) == '0,0,0,0;0,0,0,0;0,0,0,0;0,0,0,0;2,2,0,0;2,2,0,0'
# Move second O next to it and drop it (stays in place)
oblock2.position = 2, 4
assert str(field) == '0,0,0,0;0,0,0,0;0,0,0,0;0,0,0,0;2,2,1,1;2,2,1,1'
oblock2.drop()
assert str(field) == '0,0,0,0;0,0,0,0;0,0,0,0;0,0,0,0;2,2,2,2;2,2,2,2'
# Drop I on top of O
iblock.position = 0, -1
iblock.drop()
assert str(field) == '0,0,0,0;0,0,0,0;0,0,0,0;2,2,2,2;2,2,2,2;2,2,2,2'
with pytest.raises(CannotMoveBlock):
oblock1.position = 0, 0
with pytest.raises(CannotMoveBlock):
oblock1.rotate_ccw()
def test_ending_game_with_drop():
field = Field.from_str('0,0,0,0;3,3,3,3')
oblock = OBlock(field)
oblock.position = 1, -1
with pytest.raises(GameOver):
oblock.drop()
