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test_utils_srs.py
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test_utils_srs.py
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"""Test utilities related to SRS.
"""
from unittest import TestCase
from delairstack.core.utils.srs import expand_vertcrs_to_wkt
WGS84_WKT = """
VERT_CS["WGS84 ellipsoid (meters)",
VERT_DATUM["Ellipsoid",2002],
UNIT["metre",1,
AUTHORITY["EPSG","9001"]],
AXIS["Up",UP]]
"""
EGM96_WKT = """
VERT_CS["EGM96 geoid (meters)",
VERT_DATUM["EGM96 geoid",2005,
EXTENSION["PROJ4_GRIDS","egm96_15.gtx"],
AUTHORITY["EPSG","5171"]],
UNIT["metre",1,
AUTHORITY["EPSG","9001"]],
AXIS["Up",UP]]
"""
ARBITRARY_WKT = """
VERT_CS["Arbitrary",
VERT_DATUM["Arbitrary",2000],
UNIT["metre",1,
AUTHORITY["EPSG","9001"]],
AXIS["Up",UP]]
"""
def _clean_whitespaces(a):
return a.replace('\n', '').replace(' ', '').replace('\r', '')
class SRSUtilsTest(TestCase):
"""Test SRS related utilities.
"""
def test_expand_vertcrs_to_wkt(self):
"""Test conversion of SRS names."""
self.assertEqualSkipSpaces(expand_vertcrs_to_wkt('wgs84'), WGS84_WKT)
self.assertEqualSkipSpaces(expand_vertcrs_to_wkt('egm96'), EGM96_WKT)
self.assertEqualSkipSpaces(expand_vertcrs_to_wkt('arbitrary'),
ARBITRARY_WKT)
self.assertEqual(expand_vertcrs_to_wkt('fake'), 'fake')
def assertEqualSkipSpaces(self, first, second, msg=None):
"""Test that first and second are equal after whitespaces removal."""
return self.assertEqual(_clean_whitespaces(first),
_clean_whitespaces(second),
msg)