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test_result.py
585 lines (453 loc) · 17.3 KB
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test_result.py
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from __future__ import absolute_import
from __future__ import with_statement
from pickle import loads, dumps
from mock import Mock
from celery import states
from celery.app import app_or_default
from celery.exceptions import IncompleteStream
from celery.utils import uuid
from celery.utils.serialization import pickle
from celery.result import (
AsyncResult,
EagerResult,
GroupResult,
TaskSetResult,
ResultSet,
from_serializable,
)
from celery.exceptions import TimeoutError
from celery.task import task
from celery.task.base import Task
from celery.tests.utils import AppCase
from celery.tests.utils import skip_if_quick
@task()
def mytask():
pass
def mock_task(name, state, result):
return dict(id=uuid(), name=name, state=state, result=result)
def save_result(task):
app = app_or_default()
traceback = 'Some traceback'
if task['state'] == states.SUCCESS:
app.backend.mark_as_done(task['id'], task['result'])
elif task['state'] == states.RETRY:
app.backend.mark_as_retry(task['id'], task['result'],
traceback=traceback)
else:
app.backend.mark_as_failure(task['id'], task['result'],
traceback=traceback)
def make_mock_group(size=10):
tasks = [mock_task('ts%d' % i, states.SUCCESS, i) for i in xrange(size)]
[save_result(task) for task in tasks]
return [AsyncResult(task['id']) for task in tasks]
class test_AsyncResult(AppCase):
def setup(self):
self.task1 = mock_task('task1', states.SUCCESS, 'the')
self.task2 = mock_task('task2', states.SUCCESS, 'quick')
self.task3 = mock_task('task3', states.FAILURE, KeyError('brown'))
self.task4 = mock_task('task3', states.RETRY, KeyError('red'))
for task in (self.task1, self.task2, self.task3, self.task4):
save_result(task)
def test_compat_properties(self):
x = AsyncResult('1')
self.assertEqual(x.task_id, x.id)
x.task_id = '2'
self.assertEqual(x.id, '2')
def test_children(self):
x = AsyncResult('1')
children = [EagerResult(str(i), i, states.SUCCESS) for i in range(3)]
x.backend = Mock()
x.backend.get_children.return_value = children
x.backend.READY_STATES = states.READY_STATES
self.assertTrue(x.children)
self.assertEqual(len(x.children), 3)
def test_get_children(self):
tid = uuid()
x = AsyncResult(tid)
child = [AsyncResult(uuid()).serializable() for i in xrange(10)]
x.backend._cache[tid] = {'children': child}
self.assertTrue(x.children)
self.assertEqual(len(x.children), 10)
x.backend._cache[tid] = {'result': None}
self.assertIsNone(x.children)
def test_build_graph_get_leaf_collect(self):
x = AsyncResult('1')
x.backend._cache['1'] = {'status': states.SUCCESS, 'result': None}
c = [EagerResult(str(i), i, states.SUCCESS) for i in range(3)]
x.iterdeps = Mock()
x.iterdeps.return_value = (
(None, x),
(x, c[0]),
(c[0], c[1]),
(c[1], c[2])
)
x.backend.READY_STATES = states.READY_STATES
self.assertTrue(x.graph)
self.assertIs(x.get_leaf(), 2)
it = x.collect()
self.assertListEqual(list(it), [
(x, None),
(c[0], 0),
(c[1], 1),
(c[2], 2),
])
def test_iterdeps(self):
x = AsyncResult('1')
x.backend._cache['1'] = {'status': states.SUCCESS, 'result': None}
c = [EagerResult(str(i), i, states.SUCCESS) for i in range(3)]
for child in c:
child.backend = Mock()
child.backend.get_children.return_value = []
x.backend.get_children = Mock()
x.backend.get_children.return_value = c
it = x.iterdeps()
self.assertListEqual(list(it), [
(None, x),
(x, c[0]),
(x, c[1]),
(x, c[2]),
])
x.backend._cache.pop('1')
x.ready = Mock()
x.ready.return_value = False
with self.assertRaises(IncompleteStream):
list(x.iterdeps())
list(x.iterdeps(intermediate=True))
def test_eq_not_implemented(self):
self.assertFalse(AsyncResult('1') == object())
def test_reduce(self):
a1 = AsyncResult('uuid', task_name=mytask.name)
restored = pickle.loads(pickle.dumps(a1))
self.assertEqual(restored.id, 'uuid')
self.assertEqual(restored.task_name, mytask.name)
a2 = AsyncResult('uuid')
self.assertEqual(pickle.loads(pickle.dumps(a2)).id, 'uuid')
def test_successful(self):
ok_res = AsyncResult(self.task1['id'])
nok_res = AsyncResult(self.task3['id'])
nok_res2 = AsyncResult(self.task4['id'])
self.assertTrue(ok_res.successful())
self.assertFalse(nok_res.successful())
self.assertFalse(nok_res2.successful())
pending_res = AsyncResult(uuid())
self.assertFalse(pending_res.successful())
def test_str(self):
ok_res = AsyncResult(self.task1['id'])
ok2_res = AsyncResult(self.task2['id'])
nok_res = AsyncResult(self.task3['id'])
self.assertEqual(str(ok_res), self.task1['id'])
self.assertEqual(str(ok2_res), self.task2['id'])
self.assertEqual(str(nok_res), self.task3['id'])
pending_id = uuid()
pending_res = AsyncResult(pending_id)
self.assertEqual(str(pending_res), pending_id)
def test_repr(self):
ok_res = AsyncResult(self.task1['id'])
ok2_res = AsyncResult(self.task2['id'])
nok_res = AsyncResult(self.task3['id'])
self.assertEqual(repr(ok_res), '<AsyncResult: %s>' % (
self.task1['id']))
self.assertEqual(repr(ok2_res), '<AsyncResult: %s>' % (
self.task2['id']))
self.assertEqual(repr(nok_res), '<AsyncResult: %s>' % (
self.task3['id']))
pending_id = uuid()
pending_res = AsyncResult(pending_id)
self.assertEqual(repr(pending_res), '<AsyncResult: %s>' % (
pending_id))
def test_hash(self):
self.assertEqual(hash(AsyncResult('x0w991')),
hash(AsyncResult('x0w991')))
self.assertNotEqual(hash(AsyncResult('x0w991')),
hash(AsyncResult('x1w991')))
def test_get_traceback(self):
ok_res = AsyncResult(self.task1['id'])
nok_res = AsyncResult(self.task3['id'])
nok_res2 = AsyncResult(self.task4['id'])
self.assertFalse(ok_res.traceback)
self.assertTrue(nok_res.traceback)
self.assertTrue(nok_res2.traceback)
pending_res = AsyncResult(uuid())
self.assertFalse(pending_res.traceback)
def test_get(self):
ok_res = AsyncResult(self.task1['id'])
ok2_res = AsyncResult(self.task2['id'])
nok_res = AsyncResult(self.task3['id'])
nok2_res = AsyncResult(self.task4['id'])
self.assertEqual(ok_res.get(), 'the')
self.assertEqual(ok2_res.get(), 'quick')
with self.assertRaises(KeyError):
nok_res.get()
self.assertTrue(nok_res.get(propagate=False))
self.assertIsInstance(nok2_res.result, KeyError)
self.assertEqual(ok_res.info, 'the')
def test_get_timeout(self):
res = AsyncResult(self.task4['id']) # has RETRY state
with self.assertRaises(TimeoutError):
res.get(timeout=0.1)
pending_res = AsyncResult(uuid())
with self.assertRaises(TimeoutError):
pending_res.get(timeout=0.1)
@skip_if_quick
def test_get_timeout_longer(self):
res = AsyncResult(self.task4['id']) # has RETRY state
with self.assertRaises(TimeoutError):
res.get(timeout=1)
def test_ready(self):
oks = (AsyncResult(self.task1['id']),
AsyncResult(self.task2['id']),
AsyncResult(self.task3['id']))
self.assertTrue(all(result.ready() for result in oks))
self.assertFalse(AsyncResult(self.task4['id']).ready())
self.assertFalse(AsyncResult(uuid()).ready())
class test_ResultSet(AppCase):
def test_resultset_repr(self):
self.assertTrue(repr(ResultSet(map(AsyncResult, ['1', '2', '3']))))
def test_eq_other(self):
self.assertFalse(ResultSet([1, 3, 3]) == 1)
self.assertTrue(ResultSet([1]) == ResultSet([1]))
def test_get(self):
x = ResultSet(map(AsyncResult, [1, 2, 3]))
b = x.results[0].backend = Mock()
b.supports_native_join = False
x.join_native = Mock()
x.join = Mock()
x.get()
self.assertTrue(x.join.called)
b.supports_native_join = True
x.get()
self.assertTrue(x.join_native.called)
def test_add(self):
x = ResultSet([1])
x.add(2)
self.assertEqual(len(x), 2)
x.add(2)
self.assertEqual(len(x), 2)
def test_add_discard(self):
x = ResultSet([])
x.add(AsyncResult('1'))
self.assertIn(AsyncResult('1'), x.results)
x.discard(AsyncResult('1'))
x.discard(AsyncResult('1'))
x.discard('1')
self.assertNotIn(AsyncResult('1'), x.results)
x.update([AsyncResult('2')])
def test_clear(self):
x = ResultSet([])
r = x.results
x.clear()
self.assertIs(x.results, r)
class MockAsyncResultFailure(AsyncResult):
@property
def result(self):
return KeyError('baz')
@property
def state(self):
return states.FAILURE
def get(self, propagate=True, **kwargs):
if propagate:
raise self.result
return self.result
class MockAsyncResultSuccess(AsyncResult):
forgotten = False
def forget(self):
self.forgotten = True
@property
def result(self):
return 42
@property
def state(self):
return states.SUCCESS
def get(self, **kwargs):
return self.result
class SimpleBackend(object):
ids = []
def __init__(self, ids=[]):
self.ids = ids
def get_many(self, *args, **kwargs):
return ((id, {'result': i}) for i, id in enumerate(self.ids))
class test_TaskSetResult(AppCase):
def setup(self):
self.size = 10
self.ts = TaskSetResult(uuid(), make_mock_group(self.size))
def test_total(self):
self.assertEqual(self.ts.total, self.size)
def test_compat_properties(self):
self.assertEqual(self.ts.taskset_id, self.ts.id)
self.ts.taskset_id = 'foo'
self.assertEqual(self.ts.taskset_id, 'foo')
def test_compat_subtasks_kwarg(self):
x = TaskSetResult(uuid(), subtasks=[1, 2, 3])
self.assertEqual(x.results, [1, 2, 3])
def test_itersubtasks(self):
it = self.ts.itersubtasks()
for i, t in enumerate(it):
self.assertEqual(t.get(), i)
class test_GroupResult(AppCase):
def setup(self):
self.size = 10
self.ts = GroupResult(uuid(), make_mock_group(self.size))
def test_len(self):
self.assertEqual(len(self.ts), self.size)
def test_eq_other(self):
self.assertFalse(self.ts == 1)
def test_reduce(self):
self.assertTrue(loads(dumps(self.ts)))
def test_iterate_raises(self):
ar = MockAsyncResultFailure(uuid())
ts = GroupResult(uuid(), [ar])
it = iter(ts)
with self.assertRaises(KeyError):
it.next()
def test_forget(self):
subs = [MockAsyncResultSuccess(uuid()),
MockAsyncResultSuccess(uuid())]
ts = GroupResult(uuid(), subs)
ts.forget()
for sub in subs:
self.assertTrue(sub.forgotten)
def test_getitem(self):
subs = [MockAsyncResultSuccess(uuid()),
MockAsyncResultSuccess(uuid())]
ts = GroupResult(uuid(), subs)
self.assertIs(ts[0], subs[0])
def test_save_restore(self):
subs = [MockAsyncResultSuccess(uuid()),
MockAsyncResultSuccess(uuid())]
ts = GroupResult(uuid(), subs)
ts.save()
with self.assertRaises(AttributeError):
ts.save(backend=object())
self.assertEqual(GroupResult.restore(ts.id).subtasks,
ts.subtasks)
ts.delete()
self.assertIsNone(GroupResult.restore(ts.id))
with self.assertRaises(AttributeError):
GroupResult.restore(ts.id, backend=object())
def test_join_native(self):
backend = SimpleBackend()
subtasks = [AsyncResult(uuid(), backend=backend)
for i in range(10)]
ts = GroupResult(uuid(), subtasks)
backend.ids = [subtask.id for subtask in subtasks]
res = ts.join_native()
self.assertEqual(res, range(10))
def test_iter_native(self):
backend = SimpleBackend()
subtasks = [AsyncResult(uuid(), backend=backend)
for i in range(10)]
ts = GroupResult(uuid(), subtasks)
backend.ids = [subtask.id for subtask in subtasks]
self.assertEqual(len(list(ts.iter_native())), 10)
def test_iterate_yields(self):
ar = MockAsyncResultSuccess(uuid())
ar2 = MockAsyncResultSuccess(uuid())
ts = GroupResult(uuid(), [ar, ar2])
it = iter(ts)
self.assertEqual(it.next(), 42)
self.assertEqual(it.next(), 42)
def test_iterate_eager(self):
ar1 = EagerResult(uuid(), 42, states.SUCCESS)
ar2 = EagerResult(uuid(), 42, states.SUCCESS)
ts = GroupResult(uuid(), [ar1, ar2])
it = iter(ts)
self.assertEqual(it.next(), 42)
self.assertEqual(it.next(), 42)
def test_join_timeout(self):
ar = MockAsyncResultSuccess(uuid())
ar2 = MockAsyncResultSuccess(uuid())
ar3 = AsyncResult(uuid())
ts = GroupResult(uuid(), [ar, ar2, ar3])
with self.assertRaises(TimeoutError):
ts.join(timeout=0.0000001)
def test___iter__(self):
it = iter(self.ts)
results = sorted(list(it))
self.assertListEqual(results, list(xrange(self.size)))
def test_join(self):
joined = self.ts.join()
self.assertListEqual(joined, list(xrange(self.size)))
def test_successful(self):
self.assertTrue(self.ts.successful())
def test_failed(self):
self.assertFalse(self.ts.failed())
def test_waiting(self):
self.assertFalse(self.ts.waiting())
def test_ready(self):
self.assertTrue(self.ts.ready())
def test_completed_count(self):
self.assertEqual(self.ts.completed_count(), len(self.ts))
class test_pending_AsyncResult(AppCase):
def setup(self):
self.task = AsyncResult(uuid())
def test_result(self):
self.assertIsNone(self.task.result)
class test_failed_AsyncResult(test_GroupResult):
def setup(self):
self.size = 11
subtasks = make_mock_group(10)
failed = mock_task('ts11', states.FAILURE, KeyError('Baz'))
save_result(failed)
failed_res = AsyncResult(failed['id'])
self.ts = GroupResult(uuid(), subtasks + [failed_res])
def test_completed_count(self):
self.assertEqual(self.ts.completed_count(), len(self.ts) - 1)
def test___iter__(self):
it = iter(self.ts)
def consume():
return list(it)
with self.assertRaises(KeyError):
consume()
def test_join(self):
with self.assertRaises(KeyError):
self.ts.join()
def test_successful(self):
self.assertFalse(self.ts.successful())
def test_failed(self):
self.assertTrue(self.ts.failed())
class test_pending_Group(AppCase):
def setup(self):
self.ts = GroupResult(uuid(), [AsyncResult(uuid()),
AsyncResult(uuid())])
def test_completed_count(self):
self.assertEqual(self.ts.completed_count(), 0)
def test_ready(self):
self.assertFalse(self.ts.ready())
def test_waiting(self):
self.assertTrue(self.ts.waiting())
def x_join(self):
with self.assertRaises(TimeoutError):
self.ts.join(timeout=0.001)
@skip_if_quick
def x_join_longer(self):
with self.assertRaises(TimeoutError):
self.ts.join(timeout=1)
class RaisingTask(Task):
def run(self, x, y):
raise KeyError('xy')
class test_EagerResult(AppCase):
def test_wait_raises(self):
res = RaisingTask.apply(args=[3, 3])
with self.assertRaises(KeyError):
res.wait()
self.assertTrue(res.wait(propagate=False))
def test_wait(self):
res = EagerResult('x', 'x', states.RETRY)
res.wait()
self.assertEqual(res.state, states.RETRY)
self.assertEqual(res.status, states.RETRY)
def test_forget(self):
res = EagerResult('x', 'x', states.RETRY)
res.forget()
def test_revoke(self):
res = RaisingTask.apply(args=[3, 3])
self.assertFalse(res.revoke())
class test_serializable(AppCase):
def test_AsyncResult(self):
x = AsyncResult(uuid())
self.assertEqual(x, from_serializable(x.serializable()))
self.assertEqual(x, from_serializable(x))
def test_GroupResult(self):
x = GroupResult(uuid(), [AsyncResult(uuid()) for _ in range(10)])
self.assertEqual(x, from_serializable(x.serializable()))
self.assertEqual(x, from_serializable(x))