def test_GIVEN_mode_has_initial_value_for_param_not_in_beamline_WHEN_setting_mode_THEN_keyerror_raised(self):
sm_angle = 0.0
super_mirror = ReflectingComponent("super mirror", LinearMovement(z_position=10, y_position=0, angle=90))
super_mirror.angle = sm_angle
smangle = ReflectionAngle("smangle", super_mirror)
smangle.sp_no_move = sm_angle
sp_inits = {"nonsense name": sm_angle}
beamline_mode = BeamlineMode("mode name", [smangle.name], sp_inits)
beamline = Beamline([super_mirror], [smangle], [], [beamline_mode])
with self.assertRaises(KeyError):
beamline.active_mode = beamline_mode
def test_GIVEN_reflection_angle_WHEN_set_set_point_and_move_THEN_readback_is_as_set_and_sample_is_at_setpoint_postion(self):
angle_set = 10.0
expected_sample_angle = 10.0
sample = ReflectingComponent("sample", movement_strategy=LinearMovement(0, 0, 90))
sample.set_incoming_beam(PositionAndAngle(0, 0, 0))
mirror_pos = -100
sample.angle = mirror_pos
reflection_angle = ReflectionAngle("theta", sample)
reflection_angle.sp_no_move = angle_set
reflection_angle.move = 1
result = reflection_angle.sp_rbv
assert_that(result, is_(angle_set))
assert_that(sample.angle, is_(expected_sample_angle))
def test_GIVEN_mode_has_initial_parameter_value_WHEN_setting_mode_THEN_component_sp_updated_but_rbv_unchanged(self):
sm_angle = 0.0
sm_angle_to_set = 45.0
super_mirror = ReflectingComponent("super mirror", LinearMovement(z_position=10, y_position=0, angle=90))
super_mirror.angle = sm_angle
smangle = ReflectionAngle("smangle", super_mirror)
smangle.sp_no_move = sm_angle
sp_inits = {smangle.name: sm_angle_to_set}
beamline_mode = BeamlineMode("mode name", [smangle.name], sp_inits)
beamline = Beamline([super_mirror], [smangle], [], [beamline_mode])
beamline.set_incoming_beam(PositionAndAngle(0, 0, 0))
beamline.active_mode = beamline_mode
assert_that(smangle.sp, is_(sm_angle_to_set))
assert_that(smangle.sp_changed, is_(True))
assert_that(super_mirror.angle, is_(sm_angle))
def test_GIVEN_parameter_not_in_mode_and_not_changed_and_previous_parameter_changed_WHEN_moving_beamline_THEN_parameter_unchanged(self):
initial_s2_height = 0.0
super_mirror = ReflectingComponent("sm", LinearMovement(0.0, 10, 90.0))
s2 = Component("s2", LinearMovement(initial_s2_height, 20, 90.0))
sm_angle = ReflectionAngle("smangle", super_mirror)
slit2_pos = TrackingPosition("slit2pos", s2)
mode = BeamlineMode("first_param", [sm_angle.name])
beamline = Beamline([super_mirror, s2], [sm_angle, slit2_pos], [], [mode])
beamline.set_incoming_beam(PositionAndAngle(0, 0, 0))
beamline.active_mode = mode
sm_angle.sp_no_move = 10.0
beamline.move = 1
assert_that(s2.sp_position().y, is_(initial_s2_height))
def test_GIVEN_a_mode_with_a_two_beamline_parameter_in_WHEN_move_first_THEN_second_beamline_parameter_is_calculated_and_moved_to(self):
angle_to_set = 45.0
ideal_sample_point = ReflectingComponent("ideal_sample_point", LinearMovement(y_position=0, z_position=20, angle=90))
theta = Theta("theta", ideal_sample_point)
super_mirror = ReflectingComponent("super mirror", LinearMovement(y_position=0, z_position=10, angle=90))
smangle = ReflectionAngle("smangle", super_mirror)
beamline_mode = BeamlineMode("mode name", [theta.name, smangle.name])
beamline = Beamline([super_mirror, ideal_sample_point], [smangle, theta], [], [beamline_mode])
beam = PositionAndAngle(0, 0, 0)
theta.sp_no_move = angle_to_set
smangle.sp_no_move = 0
beamline.set_incoming_beam(beam)
beamline.active_mode = beamline_mode
beamline.move = 1
smangle_to_set = -10
smangle.sp = smangle_to_set
assert_that(ideal_sample_point.angle, is_(smangle_to_set*2 + angle_to_set))
def test_GIVEN_parameter_changed_and_not_in_mode_and_previous_parameter_changed_WHEN_moving_beamline_THEN_parameter_moved_to_sp(
self):
initial_s2_height = 0.0
target_s2_height = 11.0
super_mirror = ReflectingComponent("sm", LinearMovement(0.0, 10, 90.0))
s2 = Component("s2", LinearMovement(initial_s2_height, 20, 90.0))
sm_angle = ReflectionAngle("smangle", super_mirror)
slit2_pos = TrackingPosition("slit2pos", s2)
empty_mode = BeamlineMode("empty", [])
beamline = Beamline([super_mirror, s2], [sm_angle, slit2_pos], [], [empty_mode])
beamline.set_incoming_beam(PositionAndAngle(0, 0, 0))
beamline.active_mode = empty_mode
sm_angle.sp_no_move = 22.5
slit2_pos.sp_no_move = 1.0
beamline.move = 1
assert_that(s2.sp_position().y, is_(close_to(target_s2_height, DEFAULT_TEST_TOLERANCE)))
def setUp(self):
beam_start = PositionAndAngle(y=0, z=0, angle=2.5)
s0 = Component("s0", movement_strategy=LinearMovement(0, 0, 90))
s1 = Component("s1", movement_strategy=LinearMovement(0, 1, 90))
frame_overlap_mirror = ReflectingComponent(
"FOM", movement_strategy=LinearMovement(0, 2, 90))
frame_overlap_mirror.enabled = False
self.polarising_mirror = ReflectingComponent(
"Polariser", movement_strategy=LinearMovement(0, 3, 90))
self.polarising_mirror.enabled = False
self.polarising_mirror.angle = 0
s2 = Component("s2", movement_strategy=LinearMovement(0, 4, 90))
self.ideal_sample_point = ReflectingComponent(
"ideal sample point", movement_strategy=LinearMovement(0, 5, 90))
s3 = Component("s3", movement_strategy=LinearMovement(0, 6, 90))
analyser = ReflectingComponent("analyser",
movement_strategy=LinearMovement(
0, 7, 90))
analyser.enabled = False
s4 = Component("s4", movement_strategy=LinearMovement(0, 8, 90))
detector = Component("detector",
movement_strategy=LinearMovement(0, 10, 90))
theta = Theta("theta", self.ideal_sample_point)
theta.sp_no_move = 0
smangle = ReflectionAngle("smangle", self.polarising_mirror)
smangle.sp_no_move = 0
self.nr_mode = BeamlineMode("NR Mode", [theta.name])
self.polarised_mode = BeamlineMode("NR Mode",
[smangle.name, theta.name])
self.beamline = Beamline([
s0, s1, frame_overlap_mirror, self.polarising_mirror, s2,
self.ideal_sample_point, s3, analyser, s4, detector
], [smangle, theta], [], [self.nr_mode, self.polarised_mode])
self.beamline.set_incoming_beam(beam_start)
def test_GIVEN_multiple_components_in_beamline_WHEN_triggering_move_THEN_components_move_at_speed_of_slowest_axis(
self):
sm_angle = 0.0
sm_angle_to_set = 22.5
supermirror = ReflectingComponent("supermirror",
movement_strategy=LinearMovement(
y_position=0.0,
z_position=10.0,
angle=90.0))
sm_height_axis = create_mock_axis("SM:HEIGHT", 0.0, 10.0)
sm_angle_axis = create_mock_axis("SM:ANGLE", sm_angle, 10.0)
supermirror.angle = sm_angle
supermirror_driver = HeightAndAngleDriver(supermirror, sm_height_axis,
sm_angle_axis)
slit_2 = Component("slit_2",
movement_strategy=LinearMovement(y_position=0.0,
z_position=20.0,
angle=90.0))
slit_2_height_axis = create_mock_axis("SLIT2:HEIGHT", 0.0, 10.0)
slit_2_driver = HeightDriver(slit_2, slit_2_height_axis)
slit_3 = Component("slit_3",
movement_strategy=LinearMovement(y_position=0.0,
z_position=30.0,
angle=90.0))
slit_3_height_axis = create_mock_axis("SLIT3:HEIGHT", 0.0, 10.0)
slit_3_driver = HeightDriver(slit_3, slit_3_height_axis)
detector = TiltingJaws(
"jaws",
movement_strategy=LinearMovement(y_position=0.0,
z_position=40.0,
angle=90.0))
detector_height_axis = create_mock_axis("DETECTOR:HEIGHT", 0.0, 10.0)
detector_tilt_axis = create_mock_axis("DETECTOR:TILT", 0.0, 10.0)
detector_driver = HeightAndTiltDriver(detector, detector_height_axis,
detector_tilt_axis)
smangle = ReflectionAngle("smangle", supermirror)
slit_2_pos = TrackingPosition("s2_pos", slit_2)
slit_3_pos = TrackingPosition("s3_pos", slit_3)
det_pos = TrackingPosition("det_pos", detector)
components = [supermirror, slit_2, slit_3, detector]
beamline_parameters = [smangle, slit_2_pos, slit_3_pos, det_pos]
drivers = [
supermirror_driver, slit_2_driver, slit_3_driver, detector_driver
]
mode = BeamlineMode(
"mode name",
[smangle.name, slit_2_pos.name, slit_3_pos.name, det_pos.name])
beamline = Beamline(components, beamline_parameters, drivers, [mode])
beamline.active_mode = mode
beam_start = PositionAndAngle(0.0, 0.0, 0.0)
beamline.set_incoming_beam(beam_start)
slit_2_pos.sp_no_move = 0.0
slit_3_pos.sp_no_move = 0.0
det_pos.sp_no_move = 0.0
# detector angle axis takes longest
expected_max_duration = 4.5
smangle.sp_no_move = sm_angle_to_set
with patch.object(beamline, '_move_drivers') as mock:
beamline.move = 1
mock.assert_called_with(expected_max_duration)