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ansible/test/units/module_utils/facts/test_timeout.py

172 lines
5.2 KiB
Python

# -*- coding: utf-8 -*-
# (c) 2017, Toshio Kuratomi <tkuratomi@ansible.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division)
__metaclass__ = type
import sys
import time
import pytest
from ansible.module_utils.facts import timeout
@pytest.fixture
def set_gather_timeout_higher():
default_timeout = timeout.GATHER_TIMEOUT
timeout.GATHER_TIMEOUT = 5
yield
timeout.GATHER_TIMEOUT = default_timeout
@pytest.fixture
def set_gather_timeout_lower():
default_timeout = timeout.GATHER_TIMEOUT
timeout.GATHER_TIMEOUT = 2
yield
timeout.GATHER_TIMEOUT = default_timeout
@timeout.timeout
def sleep_amount_implicit(amount):
# implicit refers to the lack of argument to the decorator
time.sleep(amount)
return 'Succeeded after {0} sec'.format(amount)
@timeout.timeout(timeout.DEFAULT_GATHER_TIMEOUT + 5)
def sleep_amount_explicit_higher(amount):
# explicit refers to the argument to the decorator
time.sleep(amount)
return 'Succeeded after {0} sec'.format(amount)
@timeout.timeout(2)
def sleep_amount_explicit_lower(amount):
# explicit refers to the argument to the decorator
time.sleep(amount)
return 'Succeeded after {0} sec'.format(amount)
#
# Tests for how the timeout decorator is specified
#
def test_defaults_still_within_bounds():
# If the default changes outside of these bounds, some of the tests will
# no longer test the right thing. Need to review and update the timeouts
# in the other tests if this fails
assert timeout.DEFAULT_GATHER_TIMEOUT >= 4
def test_implicit_file_default_succeeds():
# amount checked must be less than DEFAULT_GATHER_TIMEOUT
assert sleep_amount_implicit(1) == 'Succeeded after 1 sec'
def test_implicit_file_default_timesout(monkeypatch):
monkeypatch.setattr(timeout, 'DEFAULT_GATHER_TIMEOUT', 1)
# sleep_time is greater than the default
sleep_time = timeout.DEFAULT_GATHER_TIMEOUT + 1
with pytest.raises(timeout.TimeoutError):
assert sleep_amount_implicit(sleep_time) == '(Not expected to succeed)'
def test_implicit_file_overridden_succeeds(set_gather_timeout_higher):
# Set sleep_time greater than the default timeout and less than our new timeout
sleep_time = 3
assert sleep_amount_implicit(sleep_time) == 'Succeeded after {0} sec'.format(sleep_time)
def test_implicit_file_overridden_timesout(set_gather_timeout_lower):
# Set sleep_time greater than our new timeout but less than the default
sleep_time = 3
with pytest.raises(timeout.TimeoutError):
assert sleep_amount_implicit(sleep_time) == '(Not expected to Succeed)'
def test_explicit_succeeds(monkeypatch):
monkeypatch.setattr(timeout, 'DEFAULT_GATHER_TIMEOUT', 1)
# Set sleep_time greater than the default timeout and less than our new timeout
sleep_time = 2
assert sleep_amount_explicit_higher(sleep_time) == 'Succeeded after {0} sec'.format(sleep_time)
def test_explicit_timeout():
# Set sleep_time greater than our new timeout but less than the default
sleep_time = 3
with pytest.raises(timeout.TimeoutError):
assert sleep_amount_explicit_lower(sleep_time) == '(Not expected to succeed)'
#
# Test that exception handling works
#
@timeout.timeout(1)
def function_times_out():
time.sleep(2)
# This is just about the same test as function_times_out but uses a separate process which is where
# we normally have our timeouts. It's more of an integration test than a unit test.
@timeout.timeout(1)
def function_times_out_in_run_command(am):
am.run_command([sys.executable, '-c', 'import time ; time.sleep(2)'])
@timeout.timeout(1)
def function_other_timeout():
raise TimeoutError('Vanilla Timeout')
@timeout.timeout(1)
def function_raises():
1 / 0
@timeout.timeout(1)
def function_catches_all_exceptions():
try:
time.sleep(10)
except BaseException:
raise RuntimeError('We should not have gotten here')
def test_timeout_raises_timeout():
with pytest.raises(timeout.TimeoutError):
assert function_times_out() == '(Not expected to succeed)'
@pytest.mark.parametrize('stdin', ({},), indirect=['stdin'])
def test_timeout_raises_timeout_integration_test(am):
with pytest.raises(timeout.TimeoutError):
assert function_times_out_in_run_command(am) == '(Not expected to succeed)'
def test_timeout_raises_other_exception():
with pytest.raises(ZeroDivisionError):
assert function_raises() == '(Not expected to succeed)'
def test_exception_not_caught_by_called_code():
with pytest.raises(timeout.TimeoutError):
assert function_catches_all_exceptions() == '(Not expected to succeed)'