# This file is part of the MapProxy project.
# Copyright (C) 2014 Omniscale <http://omniscale.de>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from mapproxy.service.wms import limit_srs_extents
from mapproxy.extent import MapExtent, DefaultMapExtent
from mapproxy.srs import SRS


class TestLimitSRSExtents(object):

    def test_defaults(self):
        assert limit_srs_extents({}, ["EPSG:4326", "EPSG:3857"]) == {
            "EPSG:4326": DefaultMapExtent(),
            "EPSG:3857": DefaultMapExtent(),
        }

    def test_unsupported(self):
        assert (
            limit_srs_extents(
                {"EPSG:9999": DefaultMapExtent()}, ["EPSG:4326", "EPSG:3857"]
            )
            == {}
        )

    def test_limited_unsupported(self):
        assert limit_srs_extents(
            {
                "EPSG:9999": DefaultMapExtent(),
                "EPSG:4326": MapExtent([0, 0, 10, 10], SRS(4326)),
            },
            ["EPSG:4326", "EPSG:3857"],
        ) == {"EPSG:4326": MapExtent([0, 0, 10, 10], SRS(4326))}
