def test_single_bbox():
a = AffectedArea()
a.record_affected(BBox(-73.2548, 43.9493, -73.0, 44.0461))
b = a.get_affected_bbox()
assert b.west == -73.2548, "West should be equal"
assert b.south == 43.9493, "South should be equal"
assert b.east == -73.0, "East should be equal"
assert b.north == 44.0461, "North should be equal"
tiles = a.get_affected_tiles(max_zoom=9, min_zoom=3)
expected_tiles = {
Tile(x=151, y=186, z=9),
Tile(x=152, y=186, z=9),
Tile(x=75, y=93, z=8),
Tile(x=76, y=93, z=8),
Tile(x=37, y=46, z=7),
Tile(x=38, y=46, z=7),
Tile(x=18, y=23, z=6),
Tile(x=19, y=23, z=6),
Tile(x=9, y=11, z=5),
Tile(x=4, y=5, z=4),
Tile(x=2, y=2, z=3)
}
assert tiles == expected_tiles
def test_bbox_from_coords():
a = AffectedArea()
coords = [
(43.9493, -73.2548), # SW corner
(43.997, -73.0), # middle, east
(43.95, -73.10), # middle
(44.0461, -73.20), # north, middle.
]
a.record_affected(BBox.from_coords(coords))
b = a.get_affected_bbox()
assert b.west == -73.2548, "West should be equal"
assert b.south == 43.9493, "South should be equal"
assert b.east == -73.0, "East should be equal"
assert b.north == 44.0461, "North should be equal"
tiles = a.get_affected_tiles(max_zoom=9, min_zoom=3)
expected_tiles = {
Tile(x=151, y=186, z=9),
Tile(x=152, y=186, z=9),
Tile(x=75, y=93, z=8),
Tile(x=76, y=93, z=8),
Tile(x=37, y=46, z=7),
Tile(x=38, y=46, z=7),
Tile(x=18, y=23, z=6),
Tile(x=19, y=23, z=6),
Tile(x=9, y=11, z=5),
Tile(x=4, y=5, z=4),
Tile(x=2, y=2, z=3)
}
assert tiles == expected_tiles