def setup_pidfile(self, _):
self.filename = os.path.join(tempfile.gettempdir(), 'test.pid')
self.pidfile = PIDFile(self.filename)
class TestPIDFile(TestCase):
@setup
@mock.patch('tron.trondaemon.log', autospec=None)
def setup_pidfile(self, _):
self.filename = os.path.join(tempfile.gettempdir(), 'test.pid')
self.pidfile = PIDFile(self.filename)
@teardown
@mock.patch('tron.trondaemon.log', autospec=None)
def teardown_pidfile(self, _):
self.pidfile.__exit__(None, None, None)
def test__init__(self):
# Called from setup already
assert self.pidfile.lock.is_locked()
assert_equal(self.filename, self.pidfile.filename)
def test_check_if_pidfile_exists_file_locked(self):
assert_raises(lockfile.AlreadyLocked, PIDFile, self.filename)
def test_check_if_pidfile_exists_file_exists(self):
self.pidfile.__exit__(None, None, None)
with open(self.filename, 'w') as fh:
fh.write('123\n')
with mock.patch.object(PIDFile, 'is_process_running') as mock_method:
mock_method.return_value = True
exception = assert_raises(SystemExit, PIDFile, self.filename)
assert_in('Daemon running as 123', str(exception))
def test_is_process_running(self):
assert self.pidfile.is_process_running(os.getpid())
def test_is_process_running_not_running(self):
assert not self.pidfile.is_process_running(None)
# Hope this isn't in use
assert not self.pidfile.is_process_running(99999)
def test__enter__(self):
self.pidfile.__enter__()
with open(self.filename, 'r') as fh:
assert_equal(fh.read(), '%s\n' % os.getpid())
def test__exit__(self):
self.pidfile.__exit__(None, None, None)
assert not self.pidfile.lock.is_locked()
assert not os.path.exists(self.filename)
class PIDFileTestCase(TestCase):
@setup
def setup_pidfile(self):
self.filename = os.path.join(tempfile.gettempdir(), 'test.pid')
self.pidfile = PIDFile(self.filename)
@teardown
def teardown_pidfile(self):
self.pidfile.__exit__(None, None, None)
def test__init__(self):
# Called from setup already
assert self.pidfile.lock.is_locked()
assert_equal(self.filename, self.pidfile.filename)
def test_check_if_pidfile_exists_file_locked(self):
assert_raises(lockfile.AlreadyLocked, PIDFile, self.filename)
def test_check_if_pidfile_exists_file_exists(self):
self.pidfile.__exit__(None, None, None)
with open(self.filename, 'w') as fh:
fh.write('123\n')
with mock.patch.object(PIDFile, 'is_process_running') as mock_method:
mock_method.return_value = True
exception = assert_raises(SystemExit, PIDFile, self.filename)
assert_in('Daemon running as 123', str(exception))
def test_is_process_running(self):
assert self.pidfile.is_process_running(os.getpid())
def test_is_process_running_not_running(self):
assert not self.pidfile.is_process_running(None)
# Hope this isn't in use
assert not self.pidfile.is_process_running(99999)
def test__enter__(self):
self.pidfile.__enter__()
with open(self.filename, 'r') as fh:
assert_equal(fh.read(), '%s\n' % os.getpid())
def test__exit__(self):
self.pidfile.__exit__(None, None, None)
assert not self.pidfile.lock.is_locked()
assert not os.path.exists(self.filename)
def setup_pidfile(self):
self.filename = os.path.join(tempfile.gettempdir(), 'test.pid')
self.pidfile = PIDFile(self.filename)
"""
A mock daemon for testing service handling.
"""
from __future__ import absolute_import
from __future__ import print_function
from __future__ import unicode_literals
import sys
import time
import daemon
from tron.trondaemon import PIDFile
def do_main_program():
while True:
print("ok")
time.sleep(2)
if __name__ == "__main__":
filename = sys.argv[1] if len(sys.argv) > 1 else None
pidfile = pidfile = PIDFile(filename or '/tmp/mock_daemon.pid')
with daemon.DaemonContext(
pidfile=pidfile,
files_preserve=[pidfile.lock.file],
):
do_main_program()