def test_is_obstacle_higher_than_start_y_axis_pos_direction_false(self):
elevations = {
Point(0, 0): 0,
Point(1, 0): 2,
Point(2, 0): 0,
Point(0, 1): 0,
Point(1, 1): 0,
Point(2, 1): 0,
Point(0, 2): 0,
Point(1, 2): 2,
Point(2, 2): 0,
Point(0, 3): 0,
Point(1, 3): 2,
Point(2, 3): 0
}
tiles = [
Tile(point=point, elevation=elevation)
for point, elevation in elevations.items()
]
map_ = Map(3, 4, tiles)
sighting_tool = LineOfSight(map_)
start = Point(1, 3)
finish = Point(1, 0)
self.assertFalse(
sighting_tool.is_obstacle_higher_than_start(start, finish))
def test_is_obstacle_higher_than_start_slope_lt_neg_one_true(self):
elevations = {
Point(0, 0): 1,
Point(1, 0): 0,
Point(2, 0): 0,
Point(0, 1): 0,
Point(1, 1): 3,
Point(2, 1): 0,
Point(0, 2): 0,
Point(1, 2): 1,
Point(2, 2): 1,
Point(0, 3): 2,
Point(1, 3): 0,
Point(2, 3): 0
}
tiles = [
Tile(point=point, elevation=elevation)
for point, elevation in elevations.items()
]
map_ = Map(3, 4, tiles)
sighting_tool = LineOfSight(map_)
start = Point(0, 3)
finish = Point(1, 0)
self.assertTrue(
sighting_tool.is_obstacle_higher_than_start(start, finish))