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: grackle/tests/test_model.py
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- Committer: William Grant
- Date: 2012-01-22 07:10:23 UTC
- Revision ID: william.grant@canonical.com-20120122071023-kwq8o5fvm6q9beys
Support batching.
- files added:
- grackle/server
- grackle/server/tests
- files removed:
- grackle/tests/test_model.py
- files renamed:
- grackle/cassandra.py => grackle/server/cassandra.py
- grackle/model.py => grackle/server/model.py
- grackle/testing/ => grackle/server/testing/
- grackle/tests/test_wsgi.py => grackle/server/tests/test_wsgi.py
- grackle/wsgi.py => grackle/server/wsgi.py
- files modified:
- Makefile
added
removed
grackle/tests/test_model.py
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# Copyright (c) 2012 Canonical Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public
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# License along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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__metaclass__ = type
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import datetime
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from email.utils import formatdate
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import os
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from tempfile import _RandomNameSequence
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import time
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import unittest
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import uuid
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from dateutil.tz import (
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tzoffset,
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tzutc,
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)
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from pycassa.util import convert_uuid_to_time
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from grackle.model import (
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CassandraConnection,
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_parse_message,
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)
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TEMPLATE_MESSAGE = """\
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From: sysadmin@example.com
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To: developer@example.com
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Subject: Everything is broken
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Date: {date}
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Message-Id: {id}
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Help, everything has just broken.
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"""
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TEST_MESSAGE = TEMPLATE_MESSAGE.format(
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date='Sat, 1 Jan 2000 11:02:34 +1100',
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id='<aaaaaaaaaaaaa@example.com>')
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class TestParseMessage(unittest.TestCase):
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def test_works(self):
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# _parse_message extracts interesting fields. It also parses the
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# date and returns it separately.
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date, msg = _parse_message(TEST_MESSAGE)
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self.assertEqual('sysadmin@example.com', msg['from'])
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self.assertEqual('developer@example.com', msg['to'])
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self.assertEqual('Everything is broken', msg['subject'])
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self.assertEqual('2000-01-01T11:02:34+11:00', msg['date'])
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self.assertEqual('<aaaaaaaaaaaaa@example.com>', msg['message-id'])
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self.assertEqual(
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datetime.datetime(
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2000, 1, 1, 11, 2, 34, tzinfo=tzoffset('', 39600)),
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date)
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class TestAddMessage(unittest.TestCase):
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def test_add_message(self):
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c = CassandraConnection(
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os.environ['GRACKLE_TEST_KEYSPACE'], ['localhost:9160'])
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archive = next(_RandomNameSequence())
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# Write the message out to Cassandra, and read it back in.
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key = c.add_message(archive, TEST_MESSAGE)
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cmsg = c.messages.get(key)
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# The archive should contain a single message, a reference to
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# our new key.
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archive_messages = c.archive_messages.get(archive).items()
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self.assertEqual(1, len(archive_messages))
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self.assertEqual(key, archive_messages[0][1])
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# The key in archive_message is a TimeUUID for the Date field in
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# the message. There is no UTC equivalent of time.mktime, so we
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# must subtract the offset.
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utctime = time.mktime(datetime.datetime(
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2000, 1, 1, 0, 2, 34, tzinfo=tzutc()).timetuple()) - time.timezone
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self.assertEqual(
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utctime,
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convert_uuid_to_time(archive_messages[0][0]))
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# The stored message contains the full original text of the
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# message, as well as interesting fields parsed out.
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self.assertEqual(TEST_MESSAGE, cmsg['content'])
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parsed_message = _parse_message(TEST_MESSAGE)[1]
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for key, value in parsed_message.iteritems():
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self.assertEqual(value, cmsg[key])
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class TestGetMessages(unittest.TestCase):
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def assertMessages(self, expected_ids, messages):
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expected_msgids = [
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'<message%d@example.com>' % id for id in expected_ids]
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actual_msgids = [msg['message-id'] for msg in messages]
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self.assertEqual(expected_msgids, actual_msgids)
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def makeMessages(self, conn, archive, count):
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return [
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conn.add_message(
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archive,
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TEMPLATE_MESSAGE.format(
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date=formatdate(i * 100),
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id='<message%d@example.com>' % i))
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for i in range(count)]
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def makeArchive(self):
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conn = CassandraConnection(
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os.environ['GRACKLE_TEST_KEYSPACE'], ['localhost:9160'])
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archive = next(_RandomNameSequence())
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return conn, archive
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def test_single_message(self):
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conn, archive = self.makeArchive()
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self.makeMessages(conn, archive, 1)
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self.assertMessages(
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[0], conn.get_messages(archive, 'date', 1, '')[1])
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def test_limit(self):
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conn, archive = self.makeArchive()
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self.makeMessages(conn, archive, 4)
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self.assertMessages(
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[0, 1], conn.get_messages(archive, 'date', 2, '')[1])
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def test_order(self):
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conn, archive = self.makeArchive()
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self.makeMessages(conn, archive, 4)
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self.assertMessages(
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[3, 2], conn.get_messages(archive, '-date', 2, '')[1])
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def test_batching_forward(self):
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conn, archive = self.makeArchive()
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self.makeMessages(conn, archive, 5)
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prev, messages, next = conn.get_messages(archive, 'date', 2, '')
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self.assertMessages([0, 1], messages)
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prev, messages, next = conn.get_messages(archive, 'date', 2, next)
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self.assertMessages([2, 3], messages)
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prev, messages, next = conn.get_messages(archive, 'date', 2, next)
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self.assertMessages([4], messages)
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prev, messages, next = conn.get_messages(archive, 'date', 2, next)
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self.assertIs(None, prev)
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self.assertMessages([], messages)
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self.assertIs(None, next)
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def test_batching_backward(self):
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conn, archive = self.makeArchive()
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self.makeMessages(conn, archive, 5)
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prev, messages, next = conn.get_messages(archive, 'date', 2, '')
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self.assertMessages([0, 1], messages)
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prev, messages, next = conn.get_messages(archive, 'date', 2, next)
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self.assertMessages([2, 3], messages)
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prev, messages, next = conn.get_messages(
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archive, 'date', 2, prev, backward=True)
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self.assertMessages([0, 1], messages)
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prev, messages, next = conn.get_messages(
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archive, 'date', 2, prev, backward=True)
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self.assertIs(None, prev)
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self.assertMessages([], messages)
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self.assertIs(None, next)
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def test_date_filter(self):
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conn, archive = self.makeArchive()
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self.makeMessages(conn, archive, 10)
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start = datetime.datetime.utcfromtimestamp(250).replace(
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tzinfo=tzutc())
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finish = datetime.datetime.utcfromtimestamp(500).replace(
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tzinfo=tzutc())
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prev, messages, next = conn.get_messages(
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archive, 'date', 2, '', start_date=start, finish_date=finish)
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self.assertMessages([3, 4], messages)
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prev, messages, next = conn.get_messages(
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archive, 'date', 2, next, start_date=start, finish_date=finish)
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self.assertMessages([5], messages)
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