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hub / github.com/protomaps/PMTiles / TestHeader

Class TestHeader

python/pmtiles/test/test_tile.py:135–202  ·  view source on GitHub ↗

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133
134
135class TestHeader(unittest.TestCase):
136 def test_roundtrip(self):
137 header = {
138 "root_offset": 1,
139 "root_length": 2,
140 "metadata_offset": 3,
141 "metadata_length": 4,
142 "leaf_directory_offset": 5,
143 "leaf_directory_length": 6,
144 "tile_data_offset": 7,
145 "tile_data_length": 8,
146 "addressed_tiles_count": 9,
147 "tile_entries_count": 10,
148 "tile_contents_count": 11,
149 "clustered": True,
150 "internal_compression": Compression.GZIP,
151 "tile_compression": Compression.BROTLI,
152 "tile_type": TileType.MVT,
153 "min_zoom": 1,
154 "max_zoom": 2,
155 "min_lon_e7": int(-1.1 * 10000000),
156 "min_lat_e7": int(2.1 * 10000000),
157 "max_lon_e7": int(1.2 * 10000000),
158 "max_lat_e7": int(2.2 * 10000000),
159 "center_zoom": 3,
160 "center_lon_e7": int(3.1 * 10000000),
161 "center_lat_e7": int(3.2 * 10000000),
162 }
163 serialized = serialize_header(header)
164 result = deserialize_header(serialized)
165 self.assertEqual(result['version'], 3)
166 self.assertEqual(result["root_offset"], 1)
167 self.assertEqual(result["root_length"], 2)
168 self.assertEqual(result["metadata_offset"], 3)
169 self.assertEqual(result["metadata_length"], 4)
170 self.assertEqual(result["leaf_directory_offset"], 5)
171 self.assertEqual(result["leaf_directory_length"], 6)
172 self.assertEqual(result["tile_data_offset"], 7)
173 self.assertEqual(result["tile_data_length"], 8)
174 self.assertEqual(result["addressed_tiles_count"], 9)
175 self.assertEqual(result["tile_entries_count"], 10)
176 self.assertEqual(result["tile_contents_count"], 11)
177 self.assertEqual(result["clustered"], True)
178 self.assertEqual(result["internal_compression"], Compression.GZIP)
179 self.assertEqual(result["tile_compression"], Compression.BROTLI)
180 self.assertEqual(result["tile_type"], TileType.MVT)
181 self.assertEqual(result["min_zoom"], 1)
182 self.assertEqual(result["max_zoom"], 2)
183 self.assertEqual(result["min_lon_e7"], -1.1 * 10000000)
184 self.assertEqual(result["min_lat_e7"], 2.1 * 10000000)
185 self.assertEqual(result["max_lon_e7"], 1.2 * 10000000)
186 self.assertEqual(result["max_lat_e7"], 2.2 * 10000000)
187 self.assertEqual(result["center_zoom"], 3)
188 self.assertEqual(result["center_lon_e7"], 3.1 * 10000000)
189 self.assertEqual(result["center_lat_e7"], 3.2 * 10000000)
190
191 def test_spec_version(self):
192 with self.assertRaises(SpecVersionUnsupported):

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