def test_returns_none_when_file_nonexist(self):
""" Should return None when the PID file does not exist. """
set_pidlockfile_scenario(self, 'not-exist')
pidfile_path = self.scenario['path']
pid = pidlockfile.read_pid_from_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessIs(None, pid)
def start_server():
logging.info('Server starting at: {0}'.format(datetime.now()))
pid = None
try:
pid = pidlockfile.read_pid_from_pidfile(PIDFILE)
except OSError:
pass
if pid is not None:
try:
os.getpgid(pid)
except OSError:
pidlockfile.remove_existing_pidfile(PIDFILE)
else:
init_application()
return
try:
pidlockfile.write_pid_to_pidfile(PIDFILE)
except OSError:
logging.error('Pid file already exist, process must be running')
sys.exit()
init_application()
def test_returns_none_when_file_nonexist(self):
""" Should return None when the PID file does not exist. """
set_pidlockfile_scenario(self, 'not-exist')
pidfile_path = self.scenario['path']
pid = pidlockfile.read_pid_from_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessIs(None, pid)
def test_reads_pid_from_file(self):
""" Should read the PID from the specified file. """
set_pidlockfile_scenario(self, 'exist-other-pid')
pidfile_path = self.scenario['path']
expect_pid = self.scenario['pidfile_pid']
pid = pidlockfile.read_pid_from_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessEqual(expect_pid, pid)
def test_reads_pid_from_file(self):
""" Should read the PID from the specified file. """
set_pidlockfile_scenario(self, 'exist-other-pid')
pidfile_path = self.scenario['path']
expect_pid = self.scenario['pidfile_pid']
pid = pidlockfile.read_pid_from_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessEqual(expect_pid, pid)
def test_reads_pid_from_file(self):
""" Should read the PID from the specified file. """
set_pidlockfile_scenario(self, "exist-other-pid")
pidfile_path = self.scenario["path"]
expect_pid = self.scenario["pidfile_pid"]
pid = pidlockfile.read_pid_from_pidfile(pidfile_path)
scaffold.mock_restore()
self.assertEqual(expect_pid, pid)
def test_opens_specified_filename(self):
""" Should attempt to open specified pidfile filename. """
set_pidlockfile_scenario(self, 'exist-other-pid')
pidfile_path = self.scenario['path']
expect_mock_output = """\
Called __builtin__.open(%(pidfile_path)r, 'r')
""" % vars()
dummy = pidlockfile.read_pid_from_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessMockCheckerMatch(expect_mock_output)
def test_opens_specified_filename(self):
""" Should attempt to open specified pidfile filename. """
set_pidlockfile_scenario(self, 'exist-other-pid')
pidfile_path = self.scenario['path']
expect_mock_output = u"""\
Called builtins.open(%(pidfile_path)r, 'r')
""" % vars()
dummy = pidlockfile.read_pid_from_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessMockCheckerMatch(expect_mock_output)
def stop_server():
logging.info('Stopping server')
pid = pidlockfile.read_pid_from_pidfile(PIDFILE)
try:
os.kill(pid, signal.SIGTERM)
except OSError:
logging.error('No such a process - cannot kill it')
except TypeError:
logging.error('Error reading pid file')
pidlockfile.remove_existing_pidfile(PIDFILE)
def read_pid(self):
return pidlockfile.read_pid_from_pidfile(self.path)