def test_start_child(self, run, fork):
fork.return_value = 0
p = Process(Mock())
# test
p.start()
# validation
fork.assert_called_once_with()
run.assert_called_once_with()
def test_start_child(self, run, fork):
fork.return_value = 0
p = Process(Mock())
# test
p.start()
# validation
fork.assert_called_once_with()
run.assert_called_once_with()
def test_start_parent(self, run, fork):
fork.return_value = 1234
p = Process(Mock())
# test
p.start()
# validation
fork.assert_called_once_with()
self.assertFalse(run.called)
self.assertEqual(p.pid, fork.return_value)
def test_start_parent(self, run, fork):
fork.return_value = 1234
p = Process(Mock())
# test
p.start()
# validation
fork.assert_called_once_with()
self.assertFalse(run.called)
self.assertEqual(p.pid, fork.return_value)
def __call__(self):
"""
Invoke the RMI as follows:
- Fork
- Start the monitor.
- Read and dispatch reply messages.
:return: Whatever method returned.
"""
pipe = Pipe()
target = Target(self.method, *self.args, **self.kwargs)
child = Process(target, pipe)
monitor = Monitor(Context.current(), child)
try:
child.start()
monitor.start()
pipe.writer.close()
retval = self.read(pipe.reader)
return retval
finally:
pipe.close()
monitor.stop()
child.wait()