def test_addition(self):
v1 = Vec(8, 7)
v2 = Vec(12, 15)
self.assertEqual(v1 + v2, Vec(20, 22))
# Addition does not modify the points that have been added
self.assertEqual(v1, Vec(8, 7))
self.assertEqual(v2, Vec(12, 15))
def test_bounds_odd_shape(self):
"""Non-square board to make sure we're using row and column
correctly.
"""
board = model.Board(rows=2,cols=4)
self.assertTrue(board.in_bounds(Vec(0,0)))
self.assertTrue(board.in_bounds(Vec(1,3)))
self.assertFalse(board.in_bounds(Vec(3,1)))
def test_slide_merge(self):
"""Equal tiles merge when they meet"""
board = model.Board()
board.from_list([[2, 0, 0, 0], [0, 2, 2, 4], [0, 0, 2, 0],
[0, 0, 0, 2]])
board.slide(Vec(1, 1), Vec(0, 1))
self.assertEqual(
board.to_list(),
[[2, 0, 0, 0], [0, 0, 4, 4], [0, 0, 2, 0], [0, 0, 0, 2]])
def test_slide_into_obstacle(self):
"""A tile should stop when it reaches another tile"""
board = model.Board()
board.from_list([[2, 0, 0, 0], [0, 2, 4, 0], [0, 0, 2, 0],
[0, 0, 0, 2]])
board.slide(Vec(1, 1), Vec(0, 1)) # Space 1,0 is empty
self.assertEqual(
board.to_list(),
[[2, 0, 0, 0], [0, 2, 4, 0], [0, 0, 2, 0], [0, 0, 0, 2]])
def test_empty_wont_slide(self):
"""Sliding an empty position has no effect"""
board = model.Board()
board.from_list([[2, 0, 0, 0], [0, 2, 0, 0], [0, 0, 2, 0],
[0, 0, 0, 2]])
board.slide(Vec(1, 0), Vec(0, 1)) # Space 1,0 is empty
self.assertEqual(
board.to_list(),
[[2, 0, 0, 0], [0, 2, 0, 0], [0, 0, 2, 0], [0, 0, 0, 2]])
def test_slide_already_at_edge(self):
"""A tile already at the edge can't slide farther that way"""
board = model.Board()
board.from_list([[0, 0, 0, 0], [0, 0, 0, 4], [0, 0, 0, 0],
[0, 0, 0, 0]])
board.slide(Vec(1, 3), Vec(0, 1)) # To the right
self.assertEqual(
board.to_list(),
[[0, 0, 0, 0], [0, 0, 0, 4], [0, 0, 0, 0], [0, 0, 0, 0]])
def test_slide_right_to_edge(self):
"""A tile should stop just when it reaches the edge"""
board = model.Board()
board.from_list([[0, 0, 0, 0], [0, 0, 2, 0], [0, 0, 0, 0],
[0, 0, 0, 0]])
board.slide(Vec(1, 2), Vec(0, 1)) # Slide the 2 right
self.assertEqual(
board.to_list(),
[[0, 0, 0, 0], [0, 0, 0, 2], [0, 0, 0, 0], [0, 0, 0, 0]])
def test_bounds_default_shape(self):
board = model.Board()
self.assertTrue(board.in_bounds(Vec(0,0)))
self.assertTrue(board.in_bounds(Vec(3,3)))
self.assertTrue(board.in_bounds(Vec(1,2)))
self.assertTrue(board.in_bounds(Vec(0,3)))
self.assertFalse(board.in_bounds(Vec(-1,0))) # off the top
self.assertFalse(board.in_bounds(Vec(1,-1))) # off the left
self.assertFalse(board.in_bounds(Vec(4,3))) # off the bottom
self.assertFalse(board.in_bounds(Vec(1,4))) # off the right
def test_equality(self):
v1 = Vec(7, 12)
v2 = Vec(8, 13)
self.assertNotEqual(v1, v2)
v3 = Vec(7, 12)
self.assertEqual(v1, v3)