def test_unsupported_projection(self):
source = ogc.WMSRasterSource(self.URI, self.layer)
# Patch dict of known Proj->SRS mappings so that it does
# not include any of the available SRSs from the WMS.
with mock.patch.dict('cartopy.io.ogc_clients._CRS_TO_OGC_SRS',
{ccrs.OSNI(approx=True): 'EPSG:29901'},
clear=True):
msg = 'not available'
with pytest.raises(ValueError, match=msg):
source.validate_projection(ccrs.Miller())
def test_string_service(self):
source = ogc.WMSRasterSource(self.URI, self.layer)
if isinstance(WebMapService, type):
# OWSLib < 0.13.0
assert isinstance(source.service, WebMapService)
else:
# OWSLib >= 0.13.0: WebMapService is a function that creates
# instances of these two classes.
from owslib.map.wms111 import WebMapService_1_1_1
from owslib.map.wms130 import WebMapService_1_3_0
assert isinstance(source.service,
(WebMapService_1_1_1, WebMapService_1_3_0))
assert isinstance(source.layers, list)
assert source.layers == [self.layer]
def test_supported_projection(self):
source = ogc.WMSRasterSource(self.URI, self.layer)
source.validate_projection(self.projection)
def test_extra_kwargs_non_empty(self):
kwargs = {'another': 'kwarg'}
source = ogc.WMSRasterSource(self.URI,
self.layer,
getmap_extra_kwargs=kwargs)
self.assertEqual(source.getmap_extra_kwargs, kwargs)
def test_extra_kwargs_None(self):
source = ogc.WMSRasterSource(self.URI,
self.layer,
getmap_extra_kwargs=None)
self.assertEqual(source.getmap_extra_kwargs, {'transparent': True})
def test_extra_kwargs_empty(self):
source = ogc.WMSRasterSource(self.URI,
self.layer,
getmap_extra_kwargs={})
self.assertEqual(source.getmap_extra_kwargs, {})
def test_no_layers(self):
msg = 'One or more layers must be defined.'
with self.assertRaisesRegexp(ValueError, msg):
ogc.WMSRasterSource(self.URI, [])
def test_multiple_layers(self):
source = ogc.WMSRasterSource(self.URI, self.layers)
self.assertEqual(source.layers, self.layers)
def test_wms_service_instance(self):
service = WebMapService(self.URI)
source = ogc.WMSRasterSource(service, self.layer)
self.assertIs(source.service, service)
def test_string_service(self):
source = ogc.WMSRasterSource(self.URI, self.layer)
self.assertIsInstance(source.service, WebMapService)
self.assertIsInstance(source.layers, list)
self.assertEqual(source.layers, [self.layer])
def test_multi_image_result(self):
source = ogc.WMSRasterSource(self.URI, self.layer)
crs = ccrs.PlateCarree(central_longitude=180)
extent = [-15, 25, 45, 85]
located_images = source.fetch_raster(crs, extent, RESOLUTION)
self.assertEqual(len(located_images), 2)
def test_no_layers(self):
match = r'One or more layers must be defined\.'
with pytest.raises(ValueError, match=match):
ogc.WMSRasterSource(self.URI, [])
def test_multiple_layers(self):
source = ogc.WMSRasterSource(self.URI, self.layers)
assert source.layers == self.layers
def test_unsupported_projection(self):
source = ogc.WMSRasterSource(self.URI, self.layer)
msg = 'was not convertible to a suitable WMS SRS.'
with self.assertRaisesRegexp(ValueError, msg):
source.validate_projection(ccrs.Miller())
def test_no_layers(self):
msg = 'One or more layers must be defined.'
with pytest.raises(ValueError, message=msg):
ogc.WMSRasterSource(self.URI, [])
