def view_factory(self):
"""Construct a new View into the device's data.
:return: A View-compatible instance.
"""
view = View(self.stream_buffer, self.calibration)
view.on_close = lambda: self.stream_process_unregister(view)
self.stream_process_register(view)
return view
class TestView(unittest.TestCase):
def setUp(self):
self.b = StreamBuffer(2.0, [10, 10], sampling_frequency=1000)
self.v = View(stream_buffer=self.b, calibration=None)
self.b.insert(usb_packet_factory(0, 2))
self.b.process()
self.v.open()
def tearDown(self):
self.v.close()
def test_sample_conversion(self):
self.assertEqual((('hello', ), {'one': 1}), self.v.ping('hello', one=1))
self.assertEqual(252, self.v.time_to_sample_id(2.0))
self.assertEqual(2.0, self.v.sample_id_to_time(252))
self.assertEqual(152, self.v.time_to_sample_id(1.9))
def test_statistics_get(self):
s1 = self.v.statistics_get(-2, -1, units='samples')
def setUp(self):
self.b = StreamBuffer(2000, [10, 10], sampling_frequency=1000)
self.v = View(stream_buffer=self.b, calibration=None)
self.b.insert(usb_packet_factory(0, 2))
self.b.process()
self.v.open()
def test_open_close(self):
v = View(stream_buffer=None, calibration=None)
v.open()
self.assertEqual((('hello', ), {'one': 1}), v.ping('hello', one=1))
v.close()