Files
PMTiles/python/test/test_tile.py

61 lines
2.2 KiB
Python

import unittest
from pmtiles.tile import zxy_to_tileid, tileid_to_zxy, Entry, find_tile
class TestTileId(unittest.TestCase):
def test_zxy_to_tileid(self):
self.assertEqual(zxy_to_tileid(0, 0, 0), 0)
self.assertEqual(zxy_to_tileid(1, 0, 0), 1)
self.assertEqual(zxy_to_tileid(1, 0, 1), 2)
self.assertEqual(zxy_to_tileid(1, 1, 1), 3)
self.assertEqual(zxy_to_tileid(1, 1, 0), 4)
self.assertEqual(zxy_to_tileid(2, 0, 0), 5)
def test_tileid_to_zxy(self):
self.assertEqual(tileid_to_zxy(0), (0, 0, 0))
self.assertEqual(tileid_to_zxy(1), (1, 0, 0))
self.assertEqual(tileid_to_zxy(19078479), (12, 3423, 1763))
def test_many_tiles(self):
for z in range(0, 7):
for x in range(0, 1 << z):
for y in range(0, 1 << z):
i = zxy_to_tileid(z, x, y)
rz, rx, ry = tileid_to_zxy(i)
self.assertEqual(z, rz)
self.assertEqual(x, rx)
self.assertEqual(y, ry)
class TestFindTile(unittest.TestCase):
def test_find_tile_missing(self):
entries = []
result = find_tile(entries, 0)
self.assertEqual(result, None)
def test_find_tile_first(self):
entries = [Entry(100, 1, 1, 1)]
result = find_tile(entries, 100)
self.assertEqual(result.offset, 1)
self.assertEqual(result.length, 1)
def test_find_tile_multiple(self):
entries = [Entry(100, 1, 1, 2)]
result = find_tile(entries, 101)
self.assertEqual(result.offset, 1)
self.assertEqual(result.length, 1)
entries = [Entry(100, 1, 1, 2), Entry(150, 2, 2, 2)]
result = find_tile(entries, 151)
self.assertEqual(result.offset, 2)
self.assertEqual(result.length, 2)
entries = [Entry(50, 1, 1, 2), Entry(100, 2, 2, 1), Entry(150, 3, 3, 1)]
result = find_tile(entries, 51)
self.assertEqual(result.offset, 1)
self.assertEqual(result.length, 1)
def test_find_tile_leaf(self):
entries = [Entry(100, 1, 1, 0)]
result = find_tile(entries, 150)
self.assertEqual(result.offset, 1)
self.assertEqual(result.length, 1)