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# Copyright (c) 2013 Rackspace, Inc.
#
# 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.
import json
from unittest import mock
from zaqarclient.queues.v2 import iterator
from zaqarclient.queues.v2 import message
from zaqarclient.tests.queues import base
from zaqarclient.tests.queues import messages as test_message
from zaqarclient.transport import http
from zaqarclient.transport import response
class TestMessageIterator(base.QueuesTestBase):
def test_no_next_iteration(self):
messages = {'links': [],
'messages': [{
'href': '/v2/queues/mine/messages/123123423',
'ttl': 800,
'age': 790,
'body': {'event': 'ActivateAccount',
'mode': 'active'}
}]
}
msg_iterator = iterator._Iterator(self.queue.client,
messages,
'messages',
message.create_object(self.queue))
iterated = [msg for msg in msg_iterator]
self.assertEqual(len(iterated), 1)
def test_stream(self):
messages = {'links': [],
'messages': [{
'href': '/v2/queues/mine/messages/123123423',
'ttl': 800,
'age': 790,
'body': {'event': 'ActivateAccount',
'mode': 'active'}
}]
}
with mock.patch.object(self.transport, 'send',
autospec=True) as send_method:
resp = response.Response(None, json.dumps(messages))
send_method.return_value = resp
# NOTE(flaper87): The first iteration will return 1 message
# and then call `_next_page` which will use the rel-next link
# to get a new set of messages.
link = {'rel': 'next',
'href': "/v2/queues/mine/messages?marker=6244-244224-783"}
messages['links'].append(link)
msg_iterator = iterator._Iterator(
self.queue.client,
messages,
'messages',
message.create_object(self.queue))
iterated = [msg for msg in msg_iterator.stream()]
self.assertEqual(len(iterated), 2)
def test_iterator_respect_paging(self):
messages = {'links': [],
'messages': [{
'href': '/v2/queues/mine/messages/123123423',
'ttl': 800,
'age': 790,
'body': {'event': 'ActivateAccount',
'mode': 'active'}
}]
}
with mock.patch.object(self.transport, 'send',
autospec=True) as send_method:
resp = response.Response(None, json.dumps(messages))
send_method.return_value = resp
link = {'rel': 'next',
'href': "/v2/queues/mine/messages?marker=6244-244224-783"}
messages['links'].append(link)
msg_iterator = iterator._Iterator(
self.queue.client,
messages,
'messages',
message.create_object(self.queue))
iterated = [msg for msg in msg_iterator]
self.assertEqual(len(iterated), 1)
class QueuesV2MessageHttpUnitTest(test_message.QueuesV2MessageUnitTest):
transport_cls = http.HttpTransport
url = 'http://127.0.0.1:8888/v2'
version = 2
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