def test_build_header_invalid_envelope(self):
geom = {
'coordinates': [1.0, 1.0],
'type': 'Point',
'meta': {
'srid': 4326
},
'bbox': (1.0, 1.0, 1.0)
}
with self.assertRaises(ValueError) as exc:
geopackage._build_geopackage_header(geom, is_little_endian=True)
self.assertEqual(
str(exc.exception), "Bounding box must be of length 2*n where "
"n is the number of dimensions represented "
"in the contained geometries.")
def test_build_header_no_envelope_no_srid_big_endian(self):
geom = {'coordinates': [1.0, 1.0], 'type': 'Point'}
header = geopackage._build_geopackage_header(geom,
is_little_endian=False)
expected = b'GP\x00\x00\x00\x00\x00\x00'
self.assertEqual(expected, header)
def test_build_header_no_envelope_with_srid_little_endian(self):
geom = {
'coordinates': [1.0, 1.0],
'type': 'Point',
'meta': {
'srid': 4326
}
}
header = geopackage._build_geopackage_header(geom,
is_little_endian=True)
expected = b'GP\x00\x01\xe6\x10\x00\x00'
self.assertEqual(expected, header)
def test_build_header_with_2d_envelope_with_srid_big_endian(self):
geom = {
'coordinates': [1.0, 1.0],
'type': 'Point',
'meta': {
'srid': 4326
},
'bbox': (1.0, 1.0, 1.0, 1.0)
}
header = geopackage._build_geopackage_header(geom,
is_little_endian=False)
expected = (b'GP\x00\x02\x00\x00\x10\xe6'
b'?\xf0\x00\x00\x00\x00\x00\x00'
b'?\xf0\x00\x00\x00\x00\x00\x00'
b'?\xf0\x00\x00\x00\x00\x00\x00'
b'?\xf0\x00\x00\x00\x00\x00\x00')
self.assertEqual(expected, header)
