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# Copyright (C) 2019 Linaro Limited
#
# Author: Antonio Terceiro <antonio.terceiro@linaro.org>
#
# SPDX-License-Identifier: GPL-2.0-or-later
import signal
import time
import pytest
from lava_common.exceptions import ConfigurationError, InfrastructureError, JobError
from lava_common.timeout import Timeout
class DummyAlarm:
def __init__(self, data):
self.data = data
self.previous = 0
def __call__(self, duration):
assert ( # nosec - assert is part of the test process.
self.data.pop(0) == duration
)
previous = self.previous
self.previous = duration
return previous
class DummySignal:
def __init__(self, data):
self.data = data
self.previous = 0
def __call__(self, sig, func):
assert sig == signal.SIGALRM # nosec - assert is part of the test process.
assert func == self.data.pop(0) # nosec - assert is part of the test process.
previous = self.previous
self.previous = func
return previous
class ParentAction:
def __init__(self, timeout):
self.timeout = timeout
def test_parsing():
# 1/ simple durations
assert ( # nosec - assert is part of the test process.
Timeout.parse({"days": 1}) == 86400
)
assert ( # nosec - assert is part of the test process.
Timeout.parse({"hours": 3}) == 3 * 3600
)
assert ( # nosec - assert is part of the test process.
Timeout.parse({"minutes": 1}) == 1 * 60
)
assert ( # nosec - assert is part of the test process.
Timeout.parse({"seconds": 345}) == 345
)
# 2/ complexe durations
assert ( # nosec - assert is part of the test process.
Timeout.parse({"minutes": 22, "seconds": 17}) == 22 * 60 + 17
)
assert ( # nosec - assert is part of the test process.
Timeout.parse({"hours": 2, "minutes": 22, "seconds": 17})
== 2 * 3600 + 22 * 60 + 17
)
assert ( # nosec - assert is part of the test process.
Timeout.parse({"days": 1, "minutes": 22, "seconds": 17}) == 86400 + 22 * 60 + 17
)
# 3/ invalid durations
assert ( # nosec - assert is part of the test process.
Timeout.parse({"day": 1}) == Timeout.default_duration()
)
assert ( # nosec - assert is part of the test process.
Timeout.parse({}) == Timeout.default_duration()
)
with pytest.raises(ConfigurationError):
Timeout.parse("")
def test_exception_raised(monkeypatch):
# 1/ default case
t = Timeout("name", None, 12)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([12, 0]))
with pytest.raises(JobError):
with t(None, None) as max_end_time:
t._timed_out(None, None)
# 2/ another exception
t = Timeout("name", None, 12, InfrastructureError)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([12, 0]))
with pytest.raises(InfrastructureError):
with t(None, None) as max_end_time:
t._timed_out(None, None)
def test_without_raising(monkeypatch):
# 1/ without parent
# 1.1/ without max_end_time
t = Timeout("timeout-name", None, 200)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([200, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with t(None, None) as max_end_time:
assert max_end_time == 200 # nosec - assert is part of the test process.
# signal.alarm and signal.signal were called once each
assert signal.alarm.data == [0] # nosec - assert is part of the test process.
assert signal.signal.data == [] # nosec - assert is part of the test process.
monkeypatch.setattr(time, "monotonic", lambda: 23)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t.elapsed_time == 23 # nosec - assert is part of the test process.
# 1.1/ with a smaller max_end_time
t = Timeout("timeout-name", None, 200)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([125, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with t(None, 125) as max_end_time:
assert max_end_time == 125 # nosec - assert is part of the test process.
assert signal.alarm.data == [0] # nosec - assert is part of the test process.
assert signal.signal.data == [] # nosec - assert is part of the test process.
monkeypatch.setattr(time, "monotonic", lambda: 109)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t.elapsed_time == 109 # nosec - assert is part of the test process.
# 1.2/ with a larger max_end_time
t = Timeout("timeout-name", None, 200)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([200, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with t(None, 201) as max_end_time:
assert max_end_time == 200 # nosec - assert is part of the test process.
assert signal.alarm.data == [0] # nosec - assert is part of the test process.
assert signal.signal.data == [] # nosec - assert is part of the test process.
monkeypatch.setattr(time, "monotonic", lambda: 45)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t.elapsed_time == 45 # nosec - assert is part of the test process.
# 2/ with a parent
# 2.1/ with a larger max_end_time
t0 = Timeout("timeout-parent", None, 200)
parent = ParentAction(t0)
t1 = Timeout("timeout-child", None, 100)
monkeypatch.setattr(signal, "signal", DummySignal([t1._timed_out, t0._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([100, 177]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with t1(parent, 200) as max_end_time:
assert max_end_time == 100 # nosec - assert is part of the test process.
assert signal.alarm.data == [177] # nosec - assert is part of the test process.
assert signal.signal.data == [ # nosec - assert is part of the test process.
t0._timed_out
]
monkeypatch.setattr(time, "monotonic", lambda: 23)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t1.elapsed_time == 23 # nosec - assert is part of the test process.
# 2.2/ with a smaller max_end_time
t0 = Timeout("timeout-parent", None, 50)
parent = ParentAction(t0)
t1 = Timeout("timeout-child", None, 100)
monkeypatch.setattr(signal, "signal", DummySignal([t1._timed_out, t0._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([50, 27]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with t1(parent, 50) as max_end_time:
assert max_end_time == 50 # nosec - assert is part of the test process.
assert signal.alarm.data == [27] # nosec - assert is part of the test process.
assert signal.signal.data == [ # nosec - assert is part of the test process.
t0._timed_out
]
monkeypatch.setattr(time, "monotonic", lambda: 23)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t1.elapsed_time == 23 # nosec - assert is part of the test process.
def test_with_raising(monkeypatch):
# 1/ without parent
# 1.1/ without max_end_time
t = Timeout("timeout-name", None, 200)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([200, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with pytest.raises(JobError):
with t(None, None) as max_end_time:
assert max_end_time == 200 # nosec - assert is part of the test process.
assert signal.alarm.data == [ # nosec - assert is part of the test process.
0
]
assert ( # nosec - assert is part of the test process.
signal.signal.data == []
)
monkeypatch.setattr(time, "monotonic", lambda: 200)
t._timed_out(None, None)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t.elapsed_time == 200 # nosec - assert is part of the test process.
# 1.1/ with a smaller max_end_time
t = Timeout("timeout-name", None, 200)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([125, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with pytest.raises(JobError):
with t(None, 125) as max_end_time:
assert max_end_time == 125 # nosec - assert is part of the test process.
assert signal.alarm.data == [ # nosec - assert is part of the test process.
0
]
assert ( # nosec - assert is part of the test process.
signal.signal.data == []
)
monkeypatch.setattr(time, "monotonic", lambda: 126)
t._timed_out(None, None)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t.elapsed_time == 126 # nosec - assert is part of the test process.
# 1.2/ with a larger max_end_time
t = Timeout("timeout-name", None, 200)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([200, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with pytest.raises(JobError):
with t(None, 201) as max_end_time:
assert max_end_time == 200 # nosec - assert is part of the test process.
assert signal.alarm.data == [0] # nosec - test process.
assert signal.signal.data == [] # nosec - test process.
monkeypatch.setattr(time, "monotonic", lambda: 200)
t._timed_out(None, None)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t.elapsed_time == 200 # nosec - assert is part of the test process.
# 1.3/ with max_end_time <= 0
t = Timeout("timeout-name", None, 200)
monkeypatch.setattr(signal, "signal", DummySignal([t._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with pytest.raises(JobError):
with t(None, 0) as max_end_time:
# Check that the exception is raised before this line
assert 0 # nosec - assert is part of the test process.
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert t.elapsed_time == 0 # nosec - assert is part of the test process.
# 2/ with a parent
# 2.1/ with a larger max_end_time
t0 = Timeout("timeout-parent", None, 200)
parent = ParentAction(t0)
t1 = Timeout("timeout-child", None, 100)
monkeypatch.setattr(signal, "signal", DummySignal([t1._timed_out, t0._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([100, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with pytest.raises(JobError):
with t1(parent, 200) as max_end_time:
assert max_end_time == 100 # nosec - assert is part of the test process.
assert signal.alarm.data == [0] # nosec - test process.
assert signal.signal.data == [t0._timed_out] # nosec - test process.
monkeypatch.setattr(time, "monotonic", lambda: 100)
t1._timed_out(None, None)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert signal.signal.data == [t0._timed_out] # nosec - test process.
assert t1.elapsed_time == 100 # nosec - assert is part of the test process.
# 2.2/ with a smaller max_end_time
t0 = Timeout("timeout-parent", None, 50)
parent = ParentAction(t0)
t1 = Timeout("timeout-child", None, 100)
monkeypatch.setattr(signal, "signal", DummySignal([t1._timed_out, t0._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([50, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with pytest.raises(JobError):
with t1(parent, 50) as max_end_time:
assert max_end_time == 50 # nosec - assert is part of the test process.
assert signal.alarm.data == [0] # nosec - test process.
assert signal.signal.data == [t0._timed_out] # nosec - test process.
monkeypatch.setattr(time, "monotonic", lambda: 23)
t1._timed_out(None, None)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert signal.signal.data == [t0._timed_out] # nosec - test process.
assert t1.elapsed_time == 23 # nosec - assert is part of the test process.
# 2.3/ with max_end_time <= 0
t0 = Timeout("timeout-parent", None, 1)
parent = ParentAction(t0)
t1 = Timeout("timeout-child", None, 100)
monkeypatch.setattr(signal, "signal", DummySignal([t1._timed_out, t0._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with pytest.raises(JobError):
with t1(parent, -1) as max_end_time:
assert 0 # nosec - assert is part of the test process.
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert signal.signal.data == [t1._timed_out, t0._timed_out] # nosec - test process.
assert t1.elapsed_time == 0 # nosec - assert is part of the test process.
# 2.4/ raising parent timeout
t0 = Timeout("timeout-parent", None, 50, InfrastructureError)
parent = ParentAction(t0)
t1 = Timeout("timeout-child", None, 100)
monkeypatch.setattr(signal, "signal", DummySignal([t1._timed_out, t0._timed_out]))
monkeypatch.setattr(signal, "alarm", DummyAlarm([50, 0, 0]))
monkeypatch.setattr(time, "monotonic", lambda: 0)
with pytest.raises(InfrastructureError):
with t1(parent, 50) as max_end_time:
assert max_end_time == 50 # nosec - assert is part of the test process.
assert signal.alarm.data == [0, 0] # nosec - test
assert signal.signal.data == [t0._timed_out] # nosec - test
monkeypatch.setattr(time, "monotonic", lambda: 50)
assert signal.alarm.data == [] # nosec - assert is part of the test process.
assert signal.signal.data == [] # nosec - assert is part of the test process.
assert t1.elapsed_time == 50 # nosec - assert is part of the test process.
|
