← Back to branch summary

~unity-2d-team/unity-2d/Shell-MultiMonitor

« back to all changes in this revision

Viewing changes to grackle/tests/test_client.py

  • Committer: Aaron Bentley
  • Date: 2012-01-12 09:54:51 UTC
  • mto: (6.1.30 trunk)
  • mto: This revision was merged to the branch mainline in revision 45.
  • Revision ID: aaron@canonical.com-20120112095451-6hwsm1c1demeokl5
Support order by date

Show diffs side-by-side

added added

removed removed

Lines of Context:
grackle/tests/test_client.py
5
5
import httplib
6
6
import os
7
7
from signal import SIGKILL
 
8
import simplejson
8
9
from StringIO import StringIO
9
10
from unittest import TestCase
 
11
from urlparse import urlparse
 
12
from urlparse import parse_qs
10
13
 
11
14
from testtools import ExpectedException
12
15
 
13
 
from grackle import client
14
 
 
15
 
 
16
 
class Forked:
17
 
 
18
 
    def __init__(self, func_or_method):
19
 
        self.func_or_method = func_or_method
 
16
from grackle.client import (
 
17
    GrackleClient,
 
18
    )
 
19
 
 
20
 
 
21
class ForkedFake:
 
22
 
 
23
    def __init__(self, port, messages=None):
20
24
        self.pid = None
 
25
        self.port = port
 
26
        self.messages = messages
 
27
        self.read_end, self.write_end = os.pipe()
 
28
 
 
29
    def is_ready(self):
 
30
        os.write(self.write_end, 'asdf')
21
31
 
22
32
    def __enter__(self):
23
33
        pid = os.fork()
24
 
        if pid != 0:
25
 
            self.pid = pid
26
 
            return
27
 
        self.func_or_method()
 
34
        if pid == 0:
 
35
            self.start_server()
 
36
        self.pid = pid
 
37
        os.read(self.read_end, 1)
 
38
        return
28
39
 
 
40
    def start_server(self):
 
41
        service = HTTPServer(('', self.port), FakeGrackleRequestHandler)
 
42
        service.messages = self.messages
 
43
        self.is_ready()
 
44
        service.serve_forever()
29
45
 
30
46
    def __exit__(self, exc_type, exc_val, traceback):
31
47
        os.kill(self.pid, SIGKILL)
42
58
        else:
43
59
            self.send_error(httplib.BAD_REQUEST)
44
60
 
45
 
 
46
 
def run_service():
47
 
    service = HTTPServer(('', 8435), FakeGrackleRequestHandler)
48
 
    service.serve_forever()
49
 
 
 
61
    def do_GET(self):
 
62
        scheme, netloc, path, params, query_string, fragments = (
 
63
            urlparse(self.path))
 
64
        archive = os.path.split(path)[1]
 
65
        query = parse_qs(query_string)
 
66
        parameters = simplejson.loads(query['parameters'][0])
 
67
        self.send_response(httplib.OK)
 
68
        self.end_headers()
 
69
        messages = [m for m in self.server.messages[archive] if 'message_ids'
 
70
                    not in parameters or m['message_id'] in
 
71
                    parameters['message_ids']]
 
72
        if 'order' in parameters:
 
73
            messages.sort(key=lambda m: m[parameters['order']])
 
74
        limit = parameters.get('limit', 100)
 
75
        memo = parameters.get('memo')
 
76
        message_id_indices = dict(
 
77
            (m['message_id'], idx) for idx, m in enumerate(messages))
 
78
        if memo is None:
 
79
            start = 0
 
80
        else:
 
81
            start = message_id_indices[memo.encode('rot13')]
 
82
        if start > 0:
 
83
            previous_memo = messages[start - 1]['message_id'].encode('rot13')
 
84
        else:
 
85
            previous_memo = None
 
86
        end = min(start + limit, len(messages))
 
87
        if end < len(messages):
 
88
            next_memo = messages[end]['message_id'].encode('rot13')
 
89
        else:
 
90
            next_memo = None
 
91
        messages = messages[start:end]
 
92
        response = {
 
93
            'messages': messages,
 
94
            'next_memo': next_memo,
 
95
            'previous_memo': previous_memo
 
96
            }
 
97
        self.wfile.write(simplejson.dumps(response))
 
98
 
 
99
 
 
100
def fake_grackle_service(client, messages=None):
 
101
    if messages is None:
 
102
        messages = {}
 
103
    return ForkedFake(client.port, messages)
50
104
 
51
105
 
52
106
class TestPutMessage(TestCase):
53
107
 
54
108
    def test_put_message(self):
55
 
        with Forked(run_service):
56
 
            client.put_message('arch1', StringIO('This is a message'))
 
109
        client = GrackleClient('localhost', 8436)
 
110
        with fake_grackle_service(client):
 
111
            client.put_message('arch1', 'asdf', StringIO('This is a message'))
57
112
            with ExpectedException(Exception, 'wtf'):
58
 
                client.put_message('arch1', StringIO('This is not a message'))
 
113
                client.put_message('arch1', 'asdf',
 
114
                    StringIO('This is not a message'))
 
115
 
 
116
 
 
117
class TestGetMessages(TestCase):
 
118
 
 
119
    def assertIDOrder(self, ids, messages):
 
120
        self.assertEqual(ids, [m['message_id'] for m in messages])
 
121
 
 
122
    def assertMessageIDs(self, ids, messages):
 
123
        self.assertIDOrder(
 
124
            sorted(ids), sorted(messages, key=lambda m:m['message_id']))
 
125
 
 
126
    def test_get_messages(self):
 
127
        client = GrackleClient('localhost', 8435)
 
128
        with fake_grackle_service(client,
 
129
            {'baz':
 
130
            [{'message_id': 'foo'},
 
131
             {'message_id': 'bar'}]}):
 
132
            response = client.get_messages('baz')
 
133
        self.assertEqual(['bar', 'foo'], sorted(m['message_id'] for m in
 
134
            response['messages']))
 
135
        self.assertIs(None, response['next_memo'])
 
136
        self.assertIs(None, response['previous_memo'])
 
137
 
 
138
    def test_get_messages_by_id(self):
 
139
        client = GrackleClient('localhost', 8437)
 
140
        with fake_grackle_service(client,
 
141
            {'baz':
 
142
            [{'message_id': 'foo'},
 
143
             {'message_id': 'bar'}]}):
 
144
            response = client.get_messages('baz', message_ids=['foo'])
 
145
        message, = response['messages']
 
146
        self.assertEqual('foo', message['message_id'])
 
147
 
 
148
    def test_get_messages_batching(self):
 
149
        client = GrackleClient('localhost', 8438)
 
150
        with fake_grackle_service(client,
 
151
            {'baz':
 
152
            [{'message_id': 'foo'},
 
153
             {'message_id': 'bar'}]}):
 
154
            response = client.get_messages('baz', limit=1)
 
155
            self.assertEqual(1, len(response['messages']))
 
156
            messages = response['messages']
 
157
            response = client.get_messages(
 
158
                'baz', limit=1, memo=response['next_memo'])
 
159
            self.assertEqual(1, len(response['messages']))
 
160
            messages.extend(response['messages'])
 
161
            self.assertMessageIDs(['foo', 'bar'], messages)
 
162
 
 
163
    def test_get_messages_date_order(self):
 
164
        client = GrackleClient('localhost', 8439)
 
165
        with fake_grackle_service(client,
 
166
                {'baz': [{'message_id': 'foo', 'date': '2011-03-25'},
 
167
                 {'message_id': 'bar', 'date': '2011-03-24'}]}):
 
168
            response = client.get_messages('baz')
 
169
            self.assertIDOrder(['foo', 'bar'], response['messages'])
 
170
            response = client.get_messages('baz', order='date')
 
171
            self.assertIDOrder(['bar', 'foo'], response['messages'])