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# SPDX-License-Identifier: MIT
# Copied from: https://github.com/pycontribs/tendo
# License: PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
# Author: Sorin Sbarnea
# Changes: changed logging and formatting
from dosagelib import singleton
from multiprocessing import Process
def f(flavor_id):
return singleton.SingleInstance(flavor_id=flavor_id, exit_code=1)
class TestSingleton(object):
def test_1(self):
# test in current process
me = singleton.SingleInstance(flavor_id="test-1")
del me # now the lock should be removed
assert True
def test_2(self):
# test in current subprocess
p = Process(target=f, args=("test-2",))
p.start()
p.join()
# the called function should succeed
assert p.exitcode == 0
def test_3(self):
# test in current process and subprocess with failure
# start first instance
me = f("test-3")
# second instance
p = Process(target=f, args=("test-3",))
p.start()
p.join()
assert p.exitcode == 1
# third instance
p = Process(target=f, args=("test-3",))
p.start()
p.join()
assert p.exitcode == 1
del me # now the lock should be removed
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