forked from googleapis/python-pubsub
/
test_futures_subscriber.py
78 lines (57 loc) · 2.35 KB
/
test_futures_subscriber.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
# Copyright 2017, Google LLC All rights reserved.
#
# 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.
from __future__ import absolute_import
import mock
import pytest
from google.cloud.pubsub_v1.subscriber import futures
from google.cloud.pubsub_v1.subscriber._protocol import streaming_pull_manager
class TestStreamingPullFuture(object):
def make_future(self):
manager = mock.create_autospec(
streaming_pull_manager.StreamingPullManager, instance=True
)
future = futures.StreamingPullFuture(manager)
return future
def test_default_state(self):
future = self.make_future()
assert future.running()
assert not future.done()
assert not future.cancelled()
future._manager.add_close_callback.assert_called_once_with(
future._on_close_callback
)
def test__on_close_callback_success(self):
future = self.make_future()
future._on_close_callback(mock.sentinel.manager, None)
assert future.result() is True
assert not future.running()
def test__on_close_callback_failure(self):
future = self.make_future()
future._on_close_callback(mock.sentinel.manager, ValueError("meep"))
with pytest.raises(ValueError):
future.result()
assert not future.running()
def test__on_close_callback_future_already_done(self):
future = self.make_future()
future.set_result("foo")
assert future.done()
# invoking on close callback should result in an error
future._on_close_callback(mock.sentinel.manager, "bar")
result = future.result()
assert result == "foo" # on close callback was a no-op
def test_cancel(self):
future = self.make_future()
future.cancel()
future._manager.close.assert_called_once()
assert future.cancelled()