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# Copyright 2019 PrivateStorage.io, LLC
#
# 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.
"""
Tests for Foolscap-related test helpers.
"""
from __future__ import (
absolute_import,
)
from testtools import (
TestCase,
)
from testtools.matchers import (
MatchesAll,
AfterPreprocessing,
Always,
IsInstance,
)
from foolscap.furl import (
decode_furl,
)
from foolscap.pb import (
Tub,
)
from foolscap.referenceable import (
RemoteReferenceTracker,
RemoteReferenceOnly,
)
from hypothesis import (
given,
)
from hypothesis.strategies import (
one_of,
just,
)
from .foolscap import (
RIStub,
LocalRemote,
DummyReferenceable,
)
def remote_reference():
tub = Tub()
tub.setLocation("127.0.0.1:12345")
url = tub.buildURL(b"efgh")
# Ugh ugh ugh. Skip over the extra correctness checking in
# RemoteReferenceTracker.__init__ that requires having a broker by passing
# the url as None and setting it after.
tracker = RemoteReferenceTracker(None, None, None, RIStub)
tracker.url = url
ref = RemoteReferenceOnly(tracker)
return ref
class LocalRemoteTests(TestCase):
"""
Tests for the ``LocalRemote`` test double.
"""
@given(
ref=one_of(
just(remote_reference()),
just(LocalRemote(DummyReferenceable(RIStub))),
),
)
def test_tracker_url(self, ref):
"""
The URL of a remote reference can be retrieved using the tracker
attribute.
"""
self.assertThat(
ref.tracker.getURL(),
MatchesAll(
IsInstance(bytes),
AfterPreprocessing(
decode_furl,
Always(),
),
),
)