def test_tiles_children(self): from tilequeue.tile import coord_children from ModestMaps.Core import Coordinate coord = Coordinate(0, 0, 0) children = coord_children(coord) self.assertEqual(4, len(children)) self.assertEqual(Coordinate(0, 0, 1), children[0]) self.assertEqual(Coordinate(1, 0, 1), children[1]) self.assertEqual(Coordinate(0, 1, 1), children[2]) self.assertEqual(Coordinate(1, 1, 1), children[3])
def test_tiles_children(self): from tilequeue.tile import coord_children from ModestMaps.Core import Coordinate coord = Coordinate(0, 0, 0) children = coord_children(coord) self.assertEqual(4, len(children)) self.assertEqual(Coordinate(0, 0, 1), children[0]) self.assertEqual(Coordinate(1, 0, 1), children[1]) self.assertEqual(Coordinate(0, 1, 1), children[2]) self.assertEqual(Coordinate(1, 1, 1), children[3])
def test_tiles_children_range(self): from tilequeue.tile import coord_children from tilequeue.tile import coord_children_range from ModestMaps.Core import Coordinate coord = Coordinate(3, 4, 2) actual = list(coord_children_range(coord, 4)) self.assertEqual(20, len(actual)) children = list(coord_children(coord)) grandchildren_list = map(coord_children, children) from itertools import chain grandchildren = list(chain(*grandchildren_list)) exp = children + grandchildren actual.sort() exp.sort() for actual_child, exp_child in zip(actual, exp): self.assertEqual(exp_child, actual_child)
def test_tiles_children_range(self): from tilequeue.tile import coord_children from tilequeue.tile import coord_children_range from ModestMaps.Core import Coordinate coord = Coordinate(3, 4, 2) actual = list(coord_children_range(coord, 4)) self.assertEqual(20, len(actual)) children = list(coord_children(coord)) grandchildren_list = map(coord_children, children) from itertools import chain grandchildren = list(chain(*grandchildren_list)) exp = children + grandchildren actual.sort() exp.sort() for actual_child, exp_child in zip(actual, exp): self.assertEqual(exp_child, actual_child)
def test_tiles_children_subrange(self): from tilequeue.tile import coord_children_subrange as subrange from tilequeue.tile import coord_children def _c(z, x, y): return Coordinate(zoom=z, column=x, row=y) # for any given coord, the subrange from and until the tile's zoom # should just return the coord itself. for coord in (_c(0, 0, 0), _c(1, 1, 1), _c(10, 163, 395)): z = coord.zoom self.assertEqual(set([coord]), set(subrange(coord, z, z))) # when until zoom > coordinate zoom, it should generate the whole # pyramid. expect = set([_c(0, 0, 0)]) zoom = 0 while zoom < 5: self.assertEqual(expect, set(subrange(_c(0, 0, 0), 0, zoom))) children = [] for c in expect: children.extend(coord_children(c)) expect |= set(children) zoom += 1 # when both start and until are >, then should generate a slice of # the pyramid. for z in range(0, 5): max_coord = 2 ** z all_tiles = set(_c(z, x, y) for x in range(0, max_coord) for y in range(0, max_coord)) self.assertEqual(all_tiles, set(subrange(_c(0, 0, 0), z, z))) # when start > until, then nothing is generated for z in range(0, 5): self.assertEqual(set(), set(subrange(_c(0, 0, 0), z+1, z)))