forked from celery/celery
-
Notifications
You must be signed in to change notification settings - Fork 40
/
test_amqp.py
303 lines (233 loc) · 9.86 KB
/
test_amqp.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
from __future__ import absolute_import
from __future__ import with_statement
import socket
import sys
from datetime import timedelta
from Queue import Empty, Queue
from celery import current_app
from celery import states
from celery.app import app_or_default
from celery.backends.amqp import AMQPBackend
from celery.datastructures import ExceptionInfo
from celery.exceptions import TimeoutError
from celery.utils import uuid
from celery.tests.utils import Case, sleepdeprived
class SomeClass(object):
def __init__(self, data):
self.data = data
class test_AMQPBackend(Case):
def create_backend(self, **opts):
opts = dict(dict(serializer="pickle", persistent=False), **opts)
return AMQPBackend(**opts)
def test_mark_as_done(self):
tb1 = self.create_backend()
tb2 = self.create_backend()
tid = uuid()
tb1.mark_as_done(tid, 42)
self.assertEqual(tb2.get_status(tid), states.SUCCESS)
self.assertEqual(tb2.get_result(tid), 42)
self.assertTrue(tb2._cache.get(tid))
self.assertTrue(tb2.get_result(tid), 42)
def test_revive(self):
tb = self.create_backend()
tb.revive(None)
def test_is_pickled(self):
tb1 = self.create_backend()
tb2 = self.create_backend()
tid2 = uuid()
result = {"foo": "baz", "bar": SomeClass(12345)}
tb1.mark_as_done(tid2, result)
# is serialized properly.
rindb = tb2.get_result(tid2)
self.assertEqual(rindb.get("foo"), "baz")
self.assertEqual(rindb.get("bar").data, 12345)
def test_mark_as_failure(self):
tb1 = self.create_backend()
tb2 = self.create_backend()
tid3 = uuid()
try:
raise KeyError("foo")
except KeyError, exception:
einfo = ExceptionInfo(sys.exc_info())
tb1.mark_as_failure(tid3, exception, traceback=einfo.traceback)
self.assertEqual(tb2.get_status(tid3), states.FAILURE)
self.assertIsInstance(tb2.get_result(tid3), KeyError)
self.assertEqual(tb2.get_traceback(tid3), einfo.traceback)
def test_repair_uuid(self):
from celery.backends.amqp import repair_uuid
for i in range(10):
tid = uuid()
self.assertEqual(repair_uuid(tid.replace("-", "")), tid)
def test_expires_defaults_to_config_deprecated_setting(self):
app = app_or_default()
prev = app.conf.CELERY_AMQP_TASK_RESULT_EXPIRES
app.conf.CELERY_AMQP_TASK_RESULT_EXPIRES = 10
try:
b = self.create_backend()
self.assertEqual(b.queue_arguments.get("x-expires"), 10 * 1000.0)
finally:
app.conf.CELERY_AMQP_TASK_RESULT_EXPIRES = prev
def test_expires_is_int(self):
b = self.create_backend(expires=48)
self.assertEqual(b.queue_arguments.get("x-expires"), 48 * 1000.0)
def test_expires_is_float(self):
b = self.create_backend(expires=48.3)
self.assertEqual(b.queue_arguments.get("x-expires"), 48.3 * 1000.0)
def test_expires_is_timedelta(self):
b = self.create_backend(expires=timedelta(minutes=1))
self.assertEqual(b.queue_arguments.get("x-expires"), 60 * 1000.0)
@sleepdeprived()
def test_store_result_retries(self):
class _Producer(object):
iterations = 0
stop_raising_at = 5
def __init__(self, *args, **kwargs):
pass
def publish(self, msg, *args, **kwargs):
if self.iterations > self.stop_raising_at:
return
raise KeyError("foo")
class Backend(AMQPBackend):
Producer = _Producer
backend = Backend()
with self.assertRaises(KeyError):
backend.store_result("foo", "bar", "STARTED", max_retries=None)
with self.assertRaises(KeyError):
backend.store_result("foo", "bar", "STARTED", max_retries=10)
def assertState(self, retval, state):
self.assertEqual(retval["status"], state)
def test_poll_no_messages(self):
b = self.create_backend()
self.assertState(b.poll(uuid()), states.PENDING)
def test_poll_result(self):
results = Queue()
class Message(object):
def __init__(self, **merge):
self.payload = dict({"status": states.STARTED,
"result": None}, **merge)
class MockBinding(object):
def __init__(self, *args, **kwargs):
pass
def __call__(self, *args, **kwargs):
return self
def declare(self):
pass
def get(self, no_ack=False):
try:
return results.get(block=False)
except Empty:
pass
class MockBackend(AMQPBackend):
Queue = MockBinding
backend = MockBackend()
# FFWD's to the latest state.
results.put(Message(status=states.RECEIVED, seq=1))
results.put(Message(status=states.STARTED, seq=2))
results.put(Message(status=states.FAILURE, seq=3))
r1 = backend.poll(uuid())
self.assertDictContainsSubset({"status": states.FAILURE,
"seq": 3}, r1,
"FFWDs to the last state")
# Caches last known state.
results.put(Message())
tid = uuid()
backend.poll(tid)
self.assertIn(tid, backend._cache, "Caches last known state")
# Returns cache if no new states.
results.queue.clear()
assert not results.qsize()
backend._cache[tid] = "hello"
self.assertEqual(backend.poll(tid), "hello",
"Returns cache if no new states")
def test_wait_for(self):
b = self.create_backend()
tid = uuid()
with self.assertRaises(TimeoutError):
b.wait_for(tid, timeout=0.1)
b.store_result(tid, None, states.STARTED)
with self.assertRaises(TimeoutError):
b.wait_for(tid, timeout=0.1)
b.store_result(tid, None, states.RETRY)
with self.assertRaises(TimeoutError):
b.wait_for(tid, timeout=0.1)
b.store_result(tid, 42, states.SUCCESS)
self.assertEqual(b.wait_for(tid, timeout=1), 42)
b.store_result(tid, 56, states.SUCCESS)
self.assertEqual(b.wait_for(tid, timeout=1), 42,
"result is cached")
self.assertEqual(b.wait_for(tid, timeout=1, cache=False), 56)
b.store_result(tid, KeyError("foo"), states.FAILURE)
with self.assertRaises(KeyError):
b.wait_for(tid, timeout=1, cache=False)
def test_drain_events_remaining_timeouts(self):
class Connection(object):
def drain_events(self, timeout=None):
pass
b = self.create_backend()
with current_app.pool.acquire_channel(block=False) as (_, channel):
binding = b._create_binding(uuid())
consumer = b._create_consumer(binding, channel)
with self.assertRaises(socket.timeout):
b.drain_events(Connection(), consumer, timeout=0.1)
def test_get_many(self):
b = self.create_backend()
tids = []
for i in xrange(10):
tid = uuid()
b.store_result(tid, i, states.SUCCESS)
tids.append(tid)
res = list(b.get_many(tids, timeout=1))
expected_results = [(tid, {"status": states.SUCCESS,
"result": i,
"traceback": None,
"task_id": tid})
for i, tid in enumerate(tids)]
self.assertEqual(sorted(res), sorted(expected_results))
self.assertDictEqual(b._cache[res[0][0]], res[0][1])
cached_res = list(b.get_many(tids, timeout=1))
self.assertEqual(sorted(cached_res), sorted(expected_results))
b._cache[res[0][0]]["status"] = states.RETRY
with self.assertRaises(socket.timeout):
list(b.get_many(tids, timeout=0.01))
def test_test_get_many_raises_outer_block(self):
class Backend(AMQPBackend):
def _create_consumer(self, *args, **kwargs):
raise KeyError("foo")
b = Backend()
with self.assertRaises(KeyError):
b.get_many(["id1"]).next()
def test_test_get_many_raises_inner_block(self):
class Backend(AMQPBackend):
def drain_events(self, *args, **kwargs):
raise KeyError("foo")
b = Backend()
with self.assertRaises(KeyError):
b.get_many(["id1"]).next()
def test_no_expires(self):
b = self.create_backend(expires=None)
app = app_or_default()
prev = app.conf.CELERY_AMQP_TASK_RESULT_EXPIRES
app.conf.CELERY_AMQP_TASK_RESULT_EXPIRES = None
try:
b = self.create_backend(expires=None)
with self.assertRaises(KeyError):
b.queue_arguments["x-expires"]
finally:
app.conf.CELERY_AMQP_TASK_RESULT_EXPIRES = prev
def test_process_cleanup(self):
self.create_backend().process_cleanup()
def test_reload_task_result(self):
with self.assertRaises(NotImplementedError):
self.create_backend().reload_task_result("x")
def test_reload_taskset_result(self):
with self.assertRaises(NotImplementedError):
self.create_backend().reload_taskset_result("x")
def test_save_taskset(self):
with self.assertRaises(NotImplementedError):
self.create_backend().save_taskset("x", "x")
def test_restore_taskset(self):
with self.assertRaises(NotImplementedError):
self.create_backend().restore_taskset("x")
def test_delete_taskset(self):
with self.assertRaises(NotImplementedError):
self.create_backend().delete_taskset("x")