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python: fix magic number in writer, assert current spec version and magic number in reader

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This commit is contained in:
Brandon Liu
2022-11-01 17:24:29 +08:00
parent 302eeab47e
commit cd1374cc33
2 changed files with 20 additions and 2 deletions
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9
python/test/test_tile.py
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@@ -3,7 +3,7 @@ from pmtiles.tile import zxy_to_tileid, tileid_to_zxy, Entry
from pmtiles.tile import read_varint, write_varint
from pmtiles.tile import Entry, find_tile, Compression, TileType
from pmtiles.tile import serialize_directory, deserialize_directory
from pmtiles.tile import serialize_header, deserialize_header
from pmtiles.tile import serialize_header, deserialize_header, SpecVersionUnsupported, MagicNumberNotFound
import io
@@ -160,3 +160,10 @@ class TestHeader(unittest.TestCase):
self.assertEqual(result["center_zoom"], 3)
self.assertEqual(result["center_lon_e7"], 3.1 * 10000000)
self.assertEqual(result["center_lat_e7"], 3.2 * 10000000)
def test_spec_version(self):
with self.assertRaises(SpecVersionUnsupported):
result = deserialize_header(b'PMTiles\x04')
with self.assertRaises(MagicNumberNotFound):
result = deserialize_header(b'PM\x00\x02')