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# -*- coding: utf-8 -*-
"""
Tests for vector_tile/decoder.py
"""
import unittest
import mapbox_vector_tile
from mapbox_vector_tile.compat import PY3
class BaseTestCase(unittest.TestCase):
def test_decoder(self):
if PY3:
vector_tile = b'\x1aI\n\x05water\x12\x1a\x08\x01\x12\x06\x00\x00\x01\x01\x02\x02\x18\x03"\x0c\t\x00\x80@\x1a\x00\x01\x02\x00\x00\x02\x0f\x1a\x03foo\x1a\x03baz\x1a\x03uid"\x05\n\x03bar"\x05\n\x03foo"\x02 {(\x80 x\x02' # noqa
else:
vector_tile = '\x1aI\n\x05water\x12\x1a\x08\x01\x12\x06\x00\x00\x01\x01\x02\x02\x18\x03"\x0c\t\x00\x80@\x1a\x00\x01\x02\x00\x00\x02\x0f\x1a\x03foo\x1a\x03baz\x1a\x03uid"\x05\n\x03bar"\x05\n\x03foo"\x02 {(\x80 x\x02' # noqa
self.assertEqual(mapbox_vector_tile.decode(vector_tile), {
'water': {
'version': 2,
'extent': 4096,
'features': [{
'geometry': [[[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]]],
'properties': {
'foo': 'bar',
'baz': 'foo',
'uid': 123
},
'id': 1,
'type': 3
}],
},
})
def test_decode_polygon_no_cmd_seg_end(self):
# the binary here was generated without including the
# CMD_SEG_END after the polygon parts
# this tests that the decoder can detect that a new
# CMD_MOVE_TO implicitly closes the previous polygon
if PY3:
vector_tile = b'\x1a+\n\x05water\x12\x1d\x18\x03"\x19\t\x00\x80@"\x08\x00\x00\x07\x07\x00\x00\x08\t\x02\x01"\x00\x03\x04\x00\x00\x04\x03\x00(\x80 x\x02' # noqa
else:
vector_tile = '\x1a+\n\x05water\x12\x1d\x18\x03"\x19\t\x00\x80@"\x08\x00\x00\x07\x07\x00\x00\x08\t\x02\x01"\x00\x03\x04\x00\x00\x04\x03\x00(\x80 x\x02' # noqa
self.assertEqual(mapbox_vector_tile.decode(vector_tile), {
'water': {
'version': 2,
'extent': 4096,
'features': [{
'geometry': [
[[0, 0], [4, 0], [4, 4], [0, 4], [0, 0]],
[[1, 1], [1, 3], [3, 3], [3, 1], [1, 1]],
],
'properties': {},
'id': 0,
'type': 3
}],
},
})
def test_nondefault_extent(self):
if PY3:
vector_tile = b'\x1aK\n\x05water\x12\x1c\x08\x01\x12\x06\x00\x00\x01\x01\x02\x02\x18\x02"\x0e\t\x80}\xd0\x12\x12\xbf>\xd86\xbf>\xd86\x1a\x03foo\x1a\x03baz\x1a\x03uid"\x05\n\x03bar"\x05\n\x03foo"\x02 {(\x80@x\x02' # noqa
else:
vector_tile = '\x1aK\n\x05water\x12\x1c\x08\x01\x12\x06\x00\x00\x01\x01\x02\x02\x18\x02"\x0e\t\x80}\xd0\x12\x12\xbf>\xd86\xbf>\xd86\x1a\x03foo\x1a\x03baz\x1a\x03uid"\x05\n\x03bar"\x05\n\x03foo"\x02 {(\x80@x\x02' # noqa
self.assertEqual(mapbox_vector_tile.decode(vector_tile), {
'water': {
'version': 2,
'extent': 8192,
'features': [{
'geometry': [[8000, 7000], [4000, 3500], [0, 0]],
'id': 1,
'properties': {'baz': 'foo', 'foo': 'bar', 'uid': 123},
'type': 2
}],
}
})
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