def test_drop_piece_returns_final_position(self):
g = Game() # 6x7 by default
self.assertEquals(g._drop_piece('X', 0), (0,5))
self.assertEquals(g._drop_piece('X', 0), (0,4))
self.assertEquals(g._drop_piece('X', 0), (0,3))
self.assertEquals(g._drop_piece('O', 0), (0,2))
self.assertEquals(g._drop_piece('X', 0), (0,1))
self.assertEquals(g._drop_piece('X', 0), (0,0))
def test_drop_piece_on_full_column_raises(self):
g = Game(rows=2)
self.assertEquals(g._drop_piece('X', 0), (0,1))
self.assertEquals(g._drop_piece('X', 0), (0,0))
self.assertRaises(ColumnFullException, g._drop_piece, 'X', 0)