def setUp(self):
self.d = DummyDet("D")
self.d.loop_run()
self.reset_cb_lists()
class DeviceTest(unittest.TestCase):
def setUp(self):
self.d = DummyDet("D")
self.d.loop_run()
self.reset_cb_lists()
def reset_cb_lists(self):
self.states = []
self.timeStamps = []
self.messages = []
def callback(self, value, changes):
self.states.append(value.state)
self.messages.append(value.message)
self.timeStamps.append(value.timeStamp)
def test_starts_in_correct_state(self):
self.assertEqual(self.d.stateMachine.state, DState.Idle)
def test_enum_classes(self):
self.assertIn(DState.Idle, DState.canConfig())
def test_setting_up_calls_back_correct_methods(self):
self.d.add_listener(self.callback, "stateMachine")
start = time.time()
ret = self.d.configure(nframes=10, exposure=0.05)
end = time.time()
self.d.remove_listener(self.callback, "stateMachine")
self.assertLess(end - start, 0.03)
expected = [DState.Configuring, DState.Ready]
self.assertEqual(self.states, expected)
expected = ["Configuring started", "Configuring finished"]
self.assertEqual(self.messages, expected)
self.assertEqual(self.d.sim.nframes, 10)
self.assertEqual(self.d.sim.exposure, 0.05)
def test_running_calls_back_correct_methods(self):
self.d.configure(nframes=3, exposure=0.01)
self.d.add_listener(self.callback, "stateMachine")
start = time.time()
ret = self.d.run()
end = time.time()
self.d.remove_listener(self.callback, "stateMachine")
self.assertAlmostEqual(
end - start, 0.03, delta=0.05)
expected = [DState.Running] * 4 + [DState.Idle]
self.assertEqual(self.states, expected)
expected = ["Starting run"] + \
["Running in progress {}% done".format(
i * 100 / 3) for i in range(4)]
self.assertEqual(self.messages, expected)
def test_pausing_calls_back_correct_methods(self):
exposure = 0.1
nframes = 5
npause = 2
rdelay = 0.1
self.d.configure(nframes=nframes, exposure=exposure)
self.d.add_listener(self.callback, "stateMachine")
def pause():
cothread.Sleep((npause + 0.5) * exposure)
pstart = time.time()
self.d.pause()
self.ptime = time.time() - pstart
self.pstate = self.d.stateMachine.state
self.pframes = self.d.sim.nframes
cothread.Sleep(rdelay)
rstart = time.time()
self.d.resume()
self.rtime = time.time() - rstart
self.rstate = self.d.stateMachine.state
self.rframes = self.d.sim.nframes
t = cothread.Spawn(pause)
start = time.time()
self.d.run()
end = time.time()
self.assertAlmostEqual(
end - start, exposure * (nframes + 1) + rdelay, delta=exposure / 2)
# let the pause and resumetask finish
t.Wait()
self.assertLess(self.ptime, exposure)
self.assertEqual(self.pstate, DState.Paused)
self.assertEqual(self.pframes, nframes - npause)
self.assertLess(self.rtime, exposure / 2)
self.assertEqual(self.rstate, DState.Running)
self.assertEqual(self.rframes, nframes - npause)
expected = [DState.Running] * (npause + 2) + \
[DState.Rewinding] * 3 + [DState.Paused] + \
[DState.Running] * (self.rframes + 1) + [DState.Idle]
self.assertEqual(self.states, expected)
expected = ["Starting run"] + ["Running in progress {}% done".format(i * 100 / nframes) for i in range(npause + 1)] + \
["Pausing started", "Waiting for detector to stop",
"Reconfiguring detector for {} frames".format(self.rframes), "Pausing finished"] + ["Starting run"] + \
["Running in progress {}% done".format(
i * 100 / nframes) for i in range(self.rframes - 1, nframes + 1)]
self.assertEqual(self.messages, expected)
self.assertEqual(self.d.sim.nframes, 0)
def test_run_from_idle_not_allowed(self):
self.assertRaises(AssertionError, self.d.run)
def test_configure_with_wrong_params_raises(self):
self.assertRaises(AssertionError, self.d.configure)
def test_aborting_works(self):
self.d.configure(nframes=10, exposure=0.05)
self.d.add_listener(self.callback, "stateMachine")
def abort():
cothread.Sleep(0.27)
pstart = time.time()
self.pret = self.d.abort()
self.ptime = time.time() - pstart
cothread.Spawn(abort)
start = time.time()
self.d.run()
end = time.time()
self.assertAlmostEqual(end - start, 0.3, delta=0.02)
# let the abort task finish
cothread.Yield()
self.assertLess(self.ptime, 0.05)
self.assertEqual(self.d.sim.nframes, 4)
self.assertEqual(self.d.sim.state, SState.Idle)
expected = [DState.Running] * 7 + \
[DState.Aborting] * 2 + [DState.Aborted]
self.assertEqual(self.states, expected)
expected = ["Starting run"] + ["Running in progress {}% done".format(i * 100 / 10) for i in range(6)] + \
["Aborting", 'Waiting for detector to stop', "Aborted"]
self.assertEqual(self.messages, expected)
expected = [0] + [0.05 * i for i in range(6)] + [0.26, 0.26, 0.3]
self.assertEqual(len(expected), len(self.timeStamps))
for e, a in zip(expected, self.timeStamps):
self.assertAlmostEqual(e, a - start, delta=0.02)
def test_attribute_settings_and_locals(self):
self.assertEqual(self.d.nframes, None)
self.d.nframes = 32
self.assertEqual(self.d.nframes, 32)
self.assertEqual(self.d.attributes["nframes"].value, 32)
self.d.foo = 45
self.assertEqual(self.d.foo, 45)
self.assertRaises(KeyError, lambda: self.d.attributes["foo"])
def test_class_attributes(self):
self.d.nframes = 3
expected = [('single', False), ('uptime', None), ('currentStep', None),
('stepsPerRun', None), ('totalSteps', None), ('configureSleep', None), ('exposure', None), ('nframes', 3)]
# self.assertEqual(len(self.d.attributes), len(expected))
items = [(k, v.value) for k, v in self.d.attributes.items()]
self.assertEqual(items, expected)
def test_uptime(self):
self.assertEqual(self.d.uptime, None)
cothread.Sleep(1.1)
self.assertEqual(self.d.uptime, 1)
def test_error_message(self):
self.assertRaisesRegexp(
AssertionError, "Arguments not supplied: \['exposure'\]", self.d.configure, nframes=10)
self.assertRaisesRegexp(
AssertionError, "Unknown arguments supplied: \['foo'\]", self.d.configure, nframes=10, exposure=0.1, foo="bar")
def test_del_called_when_out_of_scope(self):
exc = MagicMock()
self.d.sim.log_exception = exc
self.d.add_listener(self.callback, "stateMachine")
self.d.configure(nframes=10, exposure=0.05)
expected = [DState.Configuring, DState.Ready]
self.assertEqual(self.states, expected)
self.states = []
self.d.stateMachine.post(DEvent.Run)
cothread.Sleep(0.3)
self.assertEqual(len(self.states), 7)
self.assertEqual(exc.call_count, 0)
self.d = None
cothread.Sleep(0.3)
self.assertEqual(len(self.states), 7)
self.assertEqual(exc.call_count, 5)