def test_coordinate_system__from_string():
cs = CoordinateSystem.from_string(
'{"$schema":"https://proj.org/schemas/v0.2/projjson.schema.json",'
'"type":"CoordinateSystem","subtype":"ellipsoidal",'
'"axis":[{"name":"Geodetic latitude","abbreviation":"Lat",'
'"direction":"north","unit":"degree"},'
'{"name":"Geodetic longitude","abbreviation":"Lon",'
'"direction":"east","unit":"degree"}],'
'"id":{"authority":"EPSG","code":6422}}')
assert cs.name == "ellipsoidal"
def test_coordinate_system__from_user_input__invalid(user_input):
with pytest.raises(CRSError, match="Invalid"):
CoordinateSystem.from_user_input(user_input)
def test_coordinate_system__from_user_input(user_input):
assert CoordinateSystem.from_user_input(
user_input) == CoordinateSystem.from_json_dict(CS_JSON_DICT)
def test_coordinate_system__from_string__invalid(invalid_cs_string):
with pytest.raises(CRSError, match="Invalid coordinate system string"):
CoordinateSystem.from_string(invalid_cs_string)
def test_coordinate_system__from_string():
cs = CoordinateSystem.from_string(_COORDINATE_SYSTEM_STR)
assert cs.name == "ellipsoidal"
def test_coordinate_system__equals():
cs = CoordinateSystem.from_string(_COORDINATE_SYSTEM_STR)
assert cs == _COORDINATE_SYSTEM_STR
assert not cs != _COORDINATE_SYSTEM_STR
assert cs != "invalid"
{
"name": "Northing",
"abbreviation": "N",
"direction": "north",
"unit": "metre",
},
],
}
@pytest.mark.parametrize(
"user_input",
[
CS_JSON_DICT,
json.dumps(CS_JSON_DICT),
CoordinateSystem.from_json_dict(CS_JSON_DICT),
],
)
def test_coordinate_system__from_user_input(user_input):
assert CoordinateSystem.from_user_input(
user_input) == CoordinateSystem.from_json_dict(CS_JSON_DICT)
@pytest.mark.parametrize(
"user_input",
[
7001,
("EPSG", 7001),
"urn:ogc:def:ellipsoid:EPSG::7001",
Ellipsoid.from_epsg(7001),
Ellipsoid.from_epsg(7001).to_json_dict(),
def test_coordinate_system_from_json():
# separate test from other properties due to
# https://github.com/OSGeo/PROJ/issues/1818
aeqd_cs = CRS(proj="aeqd", lon_0=-80, lat_0=40.5).coordinate_system
assert CoordinateSystem.from_json(aeqd_cs.to_json()) == aeqd_cs
