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ry(self): d1 = Direction(right=4, down=7, relative=True) d2 = Direction(left=-4, up=-7, absolute=False) def subtest(d): self.assertEqual(4, d.right()) self.assertEqual(7, d.down()) self.assertEqual(-4, d.left()) self.assertEqual(-7, d.up()) self.assertEqual(True, d.relative()) self.assertEqual(False, d.absolute()) self.assertTrue(d.horizontal()) self.assertTrue(d.vertical()) subtest(d1) subtest(d2) def test_conflicts(self): d3 = Direction(right=5, left=2, up=3, down=6, absolute=True, relative=True) self.assertEqual(d3.right(), -d3.left()) self.assertEqual(d3.left(), -d3.right()) self.assertEqual(d3.up(), -d3.down()) self.assertEqual(d3.down(), -d3.up()) self.assertEqual(d3.absolute(), not d3.relative()) self.assertEqual(d3.relative(), not d3.absolute()) def test_copy(self): d = Direction(right=5) c = d.copy() self.assertEqual(c.right(), d.right()) d['right'] += 3 self.assertNotEqual(c.right(), d.right()) c['right'] += 3 self.assertEqual(c.right(), d.right()) self.assertFalse(d.vertical()) self.assertTrue(d.horizontal()) # Doesn't work in python2? # def test_duck_typing(self): # dct = dict(right=7, down=-3) # self.assertEqual(-7, Direction.left(dct)) # self.assertEqual(3, Direction.up(dct)) def test_move(self): d = Direction(pages=True) self.assertEqual(3, d.move(direction=3)) self.assertEqual(5, d.move(direction=3, current=2)) self.assertEqual(15, d.move(direction=3, pagesize=5)) self.assertEqual(9, d.move(direction=3, pagesize=5, maximum=10)) self.assertEqual(18, d.move(direction=9, override=2)) d2 = Direction(absolute=True) self.assertEqual(5, d2.move(direction=9, override=5)) def test_select(self): d = Direction(down=3) lst = list(range(100)) self.assertEqual((6, [3,4,5,6]), d.select(current=3, pagesize=10, override=None, lst=lst)) d = Direction(down=3, pages=True) self.assertEqual((9, [3,4,5,6,7,8,9]), d.select(current=3, pagesize=2, override=None, lst=lst)) if __name__ == '__main__': unittest.main()