def test_update_filter(self):
event_handler = unittest.mock.Mock()
cockpit.events.subscribe('filter change', event_handler)
try:
camera = cockpit.handlers.camera.CameraHandler(**self.args)
camera.updateFilter('test-dye', 512.0)
finally:
cockpit.events.unsubscribe('filter change', event_handler)
event_handler.assert_called_once()
self.assertEqual(camera.dye, 'test-dye')
self.assertEqual(camera.wavelength, 512.0)
def test_descriptive_name(self):
camera = cockpit.handlers.camera.CameraHandler(**self.args)
camera.updateFilter('Test-Dye', 512.0)
self.assertEqual(camera.descriptiveName,
self.args['name'] + ' (Test-Dye)')