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from unittest import mock
import pytest
from tests.utils import service_ok
from owslib.wms import WebMapService
from owslib.map.wms130 import WebMapService_1_3_0
from owslib.util import ServiceException
from owslib.util import ResponseWrapper
SERVICE_URL = 'http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r-t.cgi'
NCWMS2_URL = "http://wms.stccmop.org:8080/ncWMS2/wms"
@pytest.fixture
def wms():
return WebMapService_1_3_0(SERVICE_URL, version='1.3.0')
@pytest.mark.parametrize("version", ["1.3.0", "1.1.1"])
def test_build_getmap_request_bbox_precision(version):
bbox = (-126.123456789, 24.123456789, -66.123456789, 50.123456789)
bbox_yx = (bbox[1], bbox[0], bbox[3], bbox[2])
m = mock.Mock()
type(m).version = mock.PropertyMock(return_value=version)
request = WebMapService_1_3_0._WebMapService_1_3_0__build_getmap_request(m,
layers=['layer1'],
styles=['default'],
srs='EPSG:4326',
bbox=bbox,
format='image/jpeg',
size=(250, 250),
transparent=True
)
assert request['bbox'] == ','.join(map(str, bbox_yx))
@pytest.mark.online
@pytest.mark.skipif(not service_ok(SERVICE_URL),
reason="WMS service is unreachable")
def test_wms_getmap_111():
"""MESONET GetMap 1.1.1"""
wms = WebMapService(SERVICE_URL, version='1.1.1')
assert wms.request == '{}?service=WMS&request=GetCapabilities&version=1.1.1'.format(SERVICE_URL)
rsp = wms.getmap(
layers=['nexrad_base_reflect'],
styles=['default'],
srs='EPSG:4326',
bbox=(-126, 24, -66, 50),
size=(250, 250),
format='image/jpeg',
transparent=True)
import owslib.util
assert type(rsp) is ResponseWrapper
@pytest.mark.online
@pytest.mark.skipif(not service_ok(SERVICE_URL),
reason="WMS service is unreachable")
def test_wms_getmap_111_service_exception():
"""GetMap 1.1.1 ServiceException for an invalid CRS"""
wms = WebMapService(SERVICE_URL, version='1.1.1')
try:
wms.getmap(
layers=['nexrad_base_reflect'],
styles=['default'],
srs='EPSG:4328',
bbox=(-126, 24, -66, 50),
size=(250, 250),
format='image/jpeg',
transparent=True)
except ServiceException as e:
assert "msWMSLoadGetMapParams(): WMS server error. Invalid SRS given : SRS must be valid for all requested layers." in str(e) # noqa
else:
assert False
@pytest.mark.online
@pytest.mark.skipif(not service_ok(SERVICE_URL),
reason="WMS service is unreachable")
def test_wms_getmap_130():
"""GetMap 1.3.0"""
wms = WebMapService(SERVICE_URL, version='1.3.0')
rsp = wms.getmap(
layers=['nexrad_base_reflect'],
styles=['default'],
srs='EPSG:4326',
bbox=(-126, 24, -66, 50),
size=(250, 250),
format='image/jpeg',
transparent=True)
assert type(rsp) is ResponseWrapper
@pytest.mark.online
@pytest.mark.skipif(not service_ok(SERVICE_URL),
reason="WMS service is unreachable")
def test_wms_getmap_130_service_exception():
"""GetMap 1.3.0 ServiceException for an invalid CRS"""
wms = WebMapService(SERVICE_URL, version='1.3.0')
try:
wms.getmap(
layers=['nexrad_base_reflect'],
styles=['default'],
srs='EPSG:4328',
bbox=(-126, 24, -66, 50),
size=(250, 250),
format='image/jpeg',
transparent=True)
except ServiceException as e:
assert "msWMSLoadGetMapParams(): WMS server error. Invalid CRS given : CRS must be valid for all requested layers." in str(e) # noqa
else:
assert False
SERVICE_URL_NATIONAL_MAP = 'http://services.nationalmap.gov/ArcGIS/services/geonames/MapServer/WMSServer'
@pytest.mark.online
@pytest.mark.skip(reason="this is a flaky test")
# @pytest.mark.skipif(not service_ok(SERVICE_URL_NATIONAL_MAP),
# reason="WMS service is unreachable")
def test_getmap_130_national_map():
"""National Map"""
# TODO: use flaky tests or fix it: https://pypi.python.org/pypi/pytest-ignore-flaky
url = SERVICE_URL_NATIONAL_MAP
wms = WebMapService(url, version='1.3.0')
rsp = wms.getmap(
layers=['3'],
styles=['default'],
srs='CRS:84',
bbox=(-176.646, 17.7016, -64.8017, 71.2854),
size=(500, 300),
format='image/png',
transparent=True)
assert type(rsp) is ResponseWrapper
assert "service=WMS" in wms.request
assert "version=1.3.0" in wms.request
assert "request=GetMap" in wms.request
assert "layers=3" in wms.request
assert "styles=default" in wms.request
assert "crs=CRS%3A84" in wms.request
assert "box=-176.646%2C17.7016%2C-64.8017%2C71.2854" in wms.request
assert "width=500" in wms.request
assert "height=300" in wms.request
assert "format=image%2Fpng" in wms.request
assert "transparent=TRUE" in wms.request
assert "bgcolor=0x#FFFFFF" in wms.request
@pytest.mark.online
@pytest.mark.skip(reason="this is a flaky test")
# @pytest.mark.skipif(not service_ok(SERVICE_URL_NATIONAL_MAP),
# reason="WMS service is unreachable")
def test_getmap_130_national_map_no_bgcolor():
"""National Map"""
url = SERVICE_URL_NATIONAL_MAP
wms = WebMapService(url, version='1.3.0')
rsp = wms.getmap(
layers=['3'],
styles=['default'],
srs='CRS:84',
bbox=(-176.646, 17.7016, -64.8017, 71.2854),
size=(500, 300),
format='image/png',
transparent=True,
bgcolor=None)
assert type(rsp) is ResponseWrapper
assert "bgcolor" not in wms.request
@pytest.mark.online
@pytest.mark.skipif(not service_ok(NCWMS2_URL), reason="WMS service is unreachable")
def test_ncwms2():
"""Test with an ncWMS2 server.
"""
# Note that this does not exercise the bug in https://github.com/geopython/OWSLib/issues/556
wms = WebMapService(NCWMS2_URL, version='1.3.0')
rsp = wms.getmap(
layers=['f33_thredds/min_temp'],
styles=['default'],
srs='CRS:84',
bbox=(-124.17, 46.02, -123.29, 46.38),
size=(256, 256),
format='image/png',
transparent=True,
mode='32bit',
)
assert type(rsp) is ResponseWrapper
assert "service=WMS" in wms.request
assert "version=1.3.0" in wms.request
assert "request=GetMap" in wms.request
assert "layers=f33_thredds/min_temp" in wms.request
assert "styles=default" in wms.request
assert "crs=CRS%3A84" in wms.request
assert "width=256" in wms.request
assert "height=256" in wms.request
assert "format=image%2Fpng" in wms.request
assert "transparent=TRUE" in wms.request
assert "bgcolor=0x#FFFFFF" in wms.request
@pytest.mark.parametrize('wms_version', ['1.1.1', '1.3.0'])
def test_wms_sends_headers(wms_version):
"""Test that if headers are provided in the WMS class they are sent
when performing HTTP requests (in this case for GetCapabilities)
"""
with mock.patch('owslib.util.requests.request', side_effect=RuntimeError) as mock_request:
try:
WebMapService(
'http://example.com/wms',
version=wms_version,
headers={'User-agent': 'my-app/1.0'}
)
except RuntimeError:
assert mock_request.called
assert mock_request.call_args[1]['headers'] == {'User-agent': 'my-app/1.0'}
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