class TestFreeQuadTileStructureEquivalence(unittest.TestCase):
def setUp(self):
self.fts = FreeTileStructure([8, 4, 2, 1], tile_size=0.125)
self.qts = QuadTileStructure(max_zoom=3)
def test_children(self):
tc = TileCoord(2, 2, 3)
self.assertEqual(sorted(self.fts.children(tc)), sorted(self.qts.children(tc)))
def test_children_root(self):
tc = TileCoord(0, 0, 0)
self.assertEqual(sorted(self.fts.children(tc)), sorted(self.qts.children(tc)))
def test_extent(self):
for z in xrange(0, 4):
for x in xrange(0, 1 << z):
for y in xrange(0, 1 << z):
tilecoord = TileCoord(z, x, y)
self.assertEqual(self.fts.extent(tilecoord), self.qts.extent(tilecoord))
def test_parent(self):
tc = TileCoord(3, 3, 5)
self.assertEqual(self.fts.parent(tc), self.qts.parent(tc))
def test_roots(self):
self.assertEqual(list(self.fts.roots()), list(self.qts.roots()))
class TestFreeTileStructure(unittest.TestCase):
def setUp(self):
self.resolutions = (1000, 999, 500, 250, 125, 123, 111, 100, 50, 25, 10)
self.fts = FreeTileStructure(self.resolutions)
def test_factors(self):
for i, resolution in enumerate(self.resolutions):
for child_z in self.fts.child_zs[i]:
self.assertEquals(self.resolutions[i] % self.resolutions[child_z], 0)
def test_root_parents(self):
for root_z in set(root.z for root in self.fts.roots()):
self.assertEquals(self.fts.parent(TileCoord(root_z, 0, 0)), None)
def test_root_zero(self):
self.assertEquals(self.fts.parent(TileCoord(0, 0, 0)), None)
