-
-
Notifications
You must be signed in to change notification settings - Fork 1.5k
/
test_manager.py
305 lines (253 loc) · 8.24 KB
/
test_manager.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
304
305
from logging import ERROR, INFO
from signal import SIGINT
from unittest.mock import Mock, call, patch
import pytest
from sanic.compat import OS_IS_WINDOWS
from sanic.exceptions import ServerKilled
from sanic.worker.constants import RestartOrder
from sanic.worker.manager import WorkerManager
if not OS_IS_WINDOWS:
from signal import SIGKILL
else:
SIGKILL = SIGINT
def fake_serve():
...
def test_manager_no_workers():
message = "Cannot serve with no workers"
with pytest.raises(RuntimeError, match=message):
WorkerManager(0, fake_serve, {}, Mock(), (Mock(), Mock()), {})
@patch("sanic.worker.process.os")
def test_terminate(os_mock: Mock):
process = Mock()
process.pid = 1234
context = Mock()
context.Process.return_value = process
manager = WorkerManager(1, fake_serve, {}, context, (Mock(), Mock()), {})
manager.terminate()
os_mock.kill.assert_called_once_with(1234, SIGINT)
@patch("sanic.worker.process.os")
def test_shutown(os_mock: Mock):
process = Mock()
process.pid = 1234
process.is_alive.return_value = True
context = Mock()
context.Process.return_value = process
manager = WorkerManager(1, fake_serve, {}, context, (Mock(), Mock()), {})
manager.shutdown()
os_mock.kill.assert_called_once_with(1234, SIGINT)
@patch("sanic.worker.manager.os")
def test_kill(os_mock: Mock):
process = Mock()
process.pid = 1234
context = Mock()
context.Process.return_value = process
manager = WorkerManager(1, fake_serve, {}, context, (Mock(), Mock()), {})
with pytest.raises(ServerKilled):
manager.kill()
os_mock.kill.assert_called_once_with(1234, SIGKILL)
@patch("sanic.worker.process.os")
@patch("sanic.worker.manager.os")
def test_shutdown_signal_send_kill(
manager_os_mock: Mock, process_os_mock: Mock
):
process = Mock()
process.pid = 1234
context = Mock()
context.Process.return_value = process
manager = WorkerManager(1, fake_serve, {}, context, (Mock(), Mock()), {})
assert manager._shutting_down is False
manager.shutdown_signal(SIGINT, None)
assert manager._shutting_down is True
process_os_mock.kill.assert_called_once_with(1234, SIGINT)
manager.shutdown_signal(SIGINT, None)
manager_os_mock.kill.assert_called_once_with(1234, SIGKILL)
def test_restart_all():
p1 = Mock()
p2 = Mock()
context = Mock()
context.Process.side_effect = [p1, p2, p1, p2]
manager = WorkerManager(2, fake_serve, {}, context, (Mock(), Mock()), {})
assert len(list(manager.transient_processes))
manager.restart()
p1.terminate.assert_called_once()
p2.terminate.assert_called_once()
context.Process.assert_has_calls(
[
call(
name="Sanic-Server-0-0",
target=fake_serve,
kwargs={"config": {}},
daemon=True,
),
call(
name="Sanic-Server-1-0",
target=fake_serve,
kwargs={"config": {}},
daemon=True,
),
call(
name="Sanic-Server-0-0",
target=fake_serve,
kwargs={"config": {}},
daemon=True,
),
call(
name="Sanic-Server-1-0",
target=fake_serve,
kwargs={"config": {}},
daemon=True,
),
]
)
@pytest.mark.parametrize("zero_downtime", (False, True))
def test_monitor_all(zero_downtime):
p1 = Mock()
p2 = Mock()
sub = Mock()
incoming = (
"__ALL_PROCESSES__::STARTUP_FIRST"
if zero_downtime
else "__ALL_PROCESSES__:"
)
sub.recv.side_effect = [incoming, ""]
context = Mock()
context.Process.side_effect = [p1, p2]
manager = WorkerManager(2, fake_serve, {}, context, (Mock(), sub), {})
manager.restart = Mock() # type: ignore
manager.wait_for_ack = Mock() # type: ignore
manager.monitor()
restart_order = (
RestartOrder.STARTUP_FIRST
if zero_downtime
else RestartOrder.SHUTDOWN_FIRST
)
manager.restart.assert_called_once_with(
process_names=None,
reloaded_files="",
restart_order=restart_order,
)
@pytest.mark.parametrize("zero_downtime", (False, True))
def test_monitor_all_with_files(zero_downtime):
p1 = Mock()
p2 = Mock()
sub = Mock()
incoming = (
"__ALL_PROCESSES__:foo,bar:STARTUP_FIRST"
if zero_downtime
else "__ALL_PROCESSES__:foo,bar"
)
sub.recv.side_effect = [incoming, ""]
context = Mock()
context.Process.side_effect = [p1, p2]
manager = WorkerManager(2, fake_serve, {}, context, (Mock(), sub), {})
manager.restart = Mock() # type: ignore
manager.wait_for_ack = Mock() # type: ignore
manager.monitor()
restart_order = (
RestartOrder.STARTUP_FIRST
if zero_downtime
else RestartOrder.SHUTDOWN_FIRST
)
manager.restart.assert_called_once_with(
process_names=None,
reloaded_files="foo,bar",
restart_order=restart_order,
)
@pytest.mark.parametrize("zero_downtime", (False, True))
def test_monitor_one_process(zero_downtime):
p1 = Mock()
p1.name = "Testing"
p2 = Mock()
sub = Mock()
incoming = (
f"{p1.name}:foo,bar:STARTUP_FIRST"
if zero_downtime
else f"{p1.name}:foo,bar"
)
sub.recv.side_effect = [incoming, ""]
context = Mock()
context.Process.side_effect = [p1, p2]
manager = WorkerManager(2, fake_serve, {}, context, (Mock(), sub), {})
manager.restart = Mock() # type: ignore
manager.wait_for_ack = Mock() # type: ignore
manager.monitor()
restart_order = (
RestartOrder.STARTUP_FIRST
if zero_downtime
else RestartOrder.SHUTDOWN_FIRST
)
manager.restart.assert_called_once_with(
process_names=[p1.name],
reloaded_files="foo,bar",
restart_order=restart_order,
)
def test_shutdown_signal():
pub = Mock()
manager = WorkerManager(1, fake_serve, {}, Mock(), (pub, Mock()), {})
manager.shutdown = Mock() # type: ignore
manager.shutdown_signal(SIGINT, None)
pub.send.assert_called_with(None)
manager.shutdown.assert_called_once_with()
def test_shutdown_servers(caplog):
p1 = Mock()
p1.pid = 1234
context = Mock()
context.Process.side_effect = [p1]
pub = Mock()
manager = WorkerManager(1, fake_serve, {}, context, (pub, Mock()), {})
with patch("os.kill") as kill:
with caplog.at_level(ERROR):
manager.shutdown_server()
kill.assert_called_once_with(1234, SIGINT)
kill.reset_mock()
assert not caplog.record_tuples
manager.shutdown_server()
kill.assert_not_called()
assert (
"sanic.error",
ERROR,
"Server shutdown failed because a server was not found.",
) in caplog.record_tuples
def test_shutdown_servers_named():
p1 = Mock()
p1.pid = 1234
p2 = Mock()
p2.pid = 6543
context = Mock()
context.Process.side_effect = [p1, p2]
pub = Mock()
manager = WorkerManager(2, fake_serve, {}, context, (pub, Mock()), {})
with patch("os.kill") as kill:
with pytest.raises(KeyError):
manager.shutdown_server("foo")
manager.shutdown_server("Server-1")
kill.assert_called_once_with(6543, SIGINT)
def test_scale(caplog):
p1 = Mock()
p1.pid = 1234
p2 = Mock()
p2.pid = 3456
p3 = Mock()
p3.pid = 5678
context = Mock()
context.Process.side_effect = [p1, p2, p3]
pub = Mock()
manager = WorkerManager(1, fake_serve, {}, context, (pub, Mock()), {})
assert len(manager.transient) == 1
manager.scale(3)
assert len(manager.transient) == 3
with patch("os.kill") as kill:
manager.scale(2)
assert len(manager.transient) == 2
manager.scale(1)
assert len(manager.transient) == 1
kill.call_count == 2
with caplog.at_level(INFO):
manager.scale(1)
assert (
"sanic.root",
INFO,
"No change needed. There are already 1 workers.",
) in caplog.record_tuples
with pytest.raises(ValueError, match=r"Cannot scale to 0 workers\."):
manager.scale(0)