59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
import logging
|
|
from multiprocessing import Process
|
|
import sys
|
|
|
|
from tendo.singleton import SingleInstance, SingleInstanceException
|
|
|
|
logger = logging.getLogger("tendo.singleton.test")
|
|
logger.addHandler(logging.StreamHandler())
|
|
logger.setLevel(logging.DEBUG)
|
|
|
|
|
|
def f(name):
|
|
tmp = logger.level
|
|
logger.setLevel(logging.CRITICAL) # we do not want to see the warning
|
|
try:
|
|
me2 = SingleInstance(flavor_id=name) # noqa
|
|
except SingleInstanceException:
|
|
sys.exit(-1)
|
|
logger.setLevel(tmp)
|
|
pass
|
|
|
|
|
|
def test_1():
|
|
me = SingleInstance(flavor_id="test-1")
|
|
del me # now the lock should be removed
|
|
assert True
|
|
|
|
|
|
def test_2():
|
|
p = Process(target=f, args=("test-2",))
|
|
p.start()
|
|
p.join()
|
|
# the called function should succeed
|
|
assert p.exitcode == 0, "%s != 0" % p.exitcode
|
|
|
|
|
|
def test_3():
|
|
me = SingleInstance(flavor_id="test-3") # noqa -- me should still kept
|
|
p = Process(target=f, args=("test-3",))
|
|
p.start()
|
|
p.join()
|
|
# the called function should fail because we already have another
|
|
# instance running
|
|
assert p.exitcode != 0, "%s != 0 (2nd execution)" % p.exitcode
|
|
# note, we return -1 but this translates to 255 meanwhile we'll
|
|
# consider that anything different from 0 is good
|
|
p = Process(target=f, args=("test-3",))
|
|
p.start()
|
|
p.join()
|
|
# the called function should fail because we already have another
|
|
# instance running
|
|
assert p.exitcode != 0, "%s != 0 (3rd execution)" % p.exitcode
|
|
|
|
|
|
def test_4():
|
|
lockfile = '/tmp/foo.lock'
|
|
me = SingleInstance(lockfile=lockfile)
|
|
assert me.lockfile == lockfile
|