def test_instantiation_from_name_of_existing_non_ami_instrument(
magnet_axes_instances, request):
mag_x, mag_y, mag_z = magnet_axes_instances
request.addfinalizer(AMI430_3D.close_all)
non_ami_existing_instrument = Instrument("foo")
with pytest.raises(TypeError,
match=re.escape(
f"Instrument {non_ami_existing_instrument.name} is "
f"{type(non_ami_existing_instrument)} but {AMI430} "
f"was requested")):
AMI430_3D("AMI430-3D", mag_x.name, non_ami_existing_instrument.name,
mag_z.name, field_limit)
def test_base_instrument_errors(self):
b = Instrument('silent', server_name=None)
with self.assertRaises(NotImplementedError):
b.write('hello!')
with self.assertRaises(NotImplementedError):
b.ask('how are you?')
with self.assertRaises(TypeError):
b.add_function('skip',
call_cmd='skip {}',
args=['not a validator'])
with self.assertRaises(NoCommandError):
b.add_function('jump')
with self.assertRaises(NoCommandError):
b.add_parameter('height')
