def setUp(self):
self.process = Process("Process")
self.child = self.create_child_block(cs_block,
self.process,
mri="PMAC:CS1",
pv_prefix="PV:PRE")
self.set_attributes(self.child, port="PMAC2CS1")
c = ManagerController("PMAC", "/tmp")
c.add_part(CSPart(mri="PMAC:CS1", cs=1))
self.process.add_controller(c)
self.process.start()
self.b = c.block_view()
def setUp(self):
self.process = Process("Process")
child = self.create_child_block(
pmac_status_block, self.process, mri="my_mri", pv_prefix="PV:PRE"
)
self.set_attributes(child, servoFreq=2500.04)
c = ManagerController("PMAC", "/tmp")
self.o = PmacStatusPart(name="part", mri="my_mri", initial_visibility=True)
c.add_part(self.o)
self.process.add_controller(c)
self.process.start()
self.b = c.block_view()
def setUp(self):
self.process = Process("Process")
self.child = self.create_child_block(
pmac_trajectory_block, self.process, mri="PMAC:TRAJ", pv_prefix="PV:PRE"
)
c = ManagerController("PMAC", "/tmp", use_git=False)
self.o = PmacTrajectoryPart(name="pmac", mri="PMAC:TRAJ")
c.add_part(self.o)
self.process.add_controller(c)
self.process.start()
self.b = c.block_view()
self.set_attributes(self.child, trajectoryProgVersion=2)
class TestChildPart(unittest.TestCase):
def checkState(self, state):
assert self.c.state.value == state
def makeChildBlock(self, block_mri):
controller = BasicController(block_mri)
controller.add_part(PortsPart(name="Connector%s" % block_mri[-1]))
part = ChildPart(
mri=block_mri,
name="part%s" % block_mri,
stateful=False,
initial_visibility=True,
)
self.p.add_controller(controller)
return part, controller
def setUp(self):
self.p = Process("process1")
self.p1, self.c1 = self.makeChildBlock("child1")
self.p2, self.c2 = self.makeChildBlock("child2")
self.p3, self.c3 = self.makeChildBlock("child3")
self.c1._block.sinkportConnector.set_value("Connector3")
self.c2._block.sinkportConnector.set_value("Connector1")
self.c3._block.sinkportConnector.set_value("Connector2")
# create a root block for the child blocks to reside in
self.c = ManagerController(mri="mainBlock", config_dir="/tmp")
for part in [self.p1, self.p2, self.p3]:
self.c.add_part(part)
self.p.add_controller(self.c)
# Start the process
# check that do_initial_reset works asynchronously
assert self.c.state.value == sm.DISABLED
self.p.start()
assert self.c.state.value == sm.READY
def tearDown(self):
self.p.stop(timeout=1)
def test_init(self):
for controller in (self.c1, self.c2, self.c3):
b = self.p.block_view(controller.mri)
assert b.sourceportConnector.value == ""
assert self.c.exports.meta.elements["source"].choices == [
"partchild1.health",
"partchild1.sinkportConnector",
"partchild1.sourceportConnector",
"partchild2.health",
"partchild2.sinkportConnector",
"partchild2.sourceportConnector",
"partchild3.health",
"partchild3.sinkportConnector",
"partchild3.sourceportConnector",
]
assert len(self.c.port_info) == 3
port_info = self.c.port_info["partchild1"]
assert len(port_info) == 2
info_in = port_info[0]
assert isinstance(info_in, SinkPortInfo)
assert info_in.name == "sinkportConnector"
assert info_in.port == Port.INT32
assert info_in.value == "Connector3"
assert info_in.disconnected_value == ""
info_out = port_info[1]
assert isinstance(info_out, SourcePortInfo)
assert info_out.name == "sourceportConnector"
assert info_out.port == Port.INT32
assert info_out.connected_value == "Connector1"
def test_layout(self):
b = self.p.block_view("mainBlock")
new_layout = LayoutTable(
name=["partchild1", "partchild2", "partchild3"],
mri=["part1", "part2", "part3"],
x=[10, 11, 12],
y=[20, 21, 22],
visible=[True, True, True],
)
b.layout.put_value(new_layout)
assert self.c.parts["partchild1"].x == 10
assert self.c.parts["partchild1"].y == 20
assert self.c.parts["partchild1"].visible == AVisibleArray(True)
assert self.c.parts["partchild2"].x == 11
assert self.c.parts["partchild2"].y == 21
assert self.c.parts["partchild2"].visible == AVisibleArray(True)
assert self.c.parts["partchild3"].x == 12
assert self.c.parts["partchild3"].y == 22
assert self.c.parts["partchild3"].visible == AVisibleArray(True)
new_layout.visible = [True, False, True]
b.layout.put_value(new_layout)
assert self.c.parts["partchild1"].visible == AVisibleArray(True)
assert self.c.parts["partchild2"].visible == AVisibleArray(False)
assert self.c.parts["partchild3"].visible == AVisibleArray(True)
def test_sever_all_sink_ports(self):
b = self.p.block_view("mainBlock")
b1, b2, b3 = (self.c1.block_view(), self.c2.block_view(),
self.c3.block_view())
new_layout = dict(name=["partchild1"],
mri=[""],
x=[0],
y=[0],
visible=[False])
b.layout.put_value(new_layout)
assert b1.sinkportConnector.value == ""
assert b2.sinkportConnector.value == ""
assert b3.sinkportConnector.value == "Connector2"
def test_load_save(self):
b1 = self.c1.block_view()
context = Context(self.p)
structure1 = self.p1.on_save(context)
expected = dict(sinkportConnector="Connector3")
assert structure1 == expected
b1.sinkportConnector.put_value("blah")
structure2 = self.p1.on_save(context)
expected = dict(sinkportConnector="blah")
assert structure2 == expected
self.p1.on_load(context, dict(sinkportConnector="blah_again"))
assert b1.sinkportConnector.value == "blah_again"
class TestKinematicsSavuPart(ChildTestCase):
def setUp(self):
self.process = Process("Process")
self.context = Context(self.process)
# Create a fake PandA
self.panda = ManagerController("PANDA", "/tmp", use_git=False)
self.busses = PositionsPart("busses")
self.panda.add_part(self.busses)
self.process.add_controller(self.panda)
# TODO: Add axes to the positions table
# And the PMAC
pmac_block = make_block_creator(
os.path.join(os.path.dirname(__file__), "..", "test_pmac", "blah"),
"test_pmac_manager_block.yaml",
)
self.config_dir = tmp_dir("config_dir")
self.pmac = self.create_child_block(
pmac_block,
self.process,
mri_prefix="PMAC",
config_dir=self.config_dir.value,
)
# These are the motors we are interested in
self.child_x = self.process.get_controller("BL45P-ML-STAGE-01:X")
self.child_y = self.process.get_controller("BL45P-ML-STAGE-01:Y")
# Set up port and kinematics on CS1
self.child_cs1 = self.process.get_controller("PMAC:CS1")
self.set_attributes(self.child_cs1, port="CS1")
self.set_attributes(self.child_cs1, qVariables="Q22=12345 Q23=999")
self.set_attributes(self.child_cs1,
forwardKinematic="Q1=P1+10 Q5=Q22+4 Q7=8+4 RET ")
# Set up variables on CS1
self.child_status = self.process.get_controller("PMAC:STATUS")
self.set_attributes(self.child_status, iVariables="I12=3")
self.set_attributes(self.child_status, pVariables="")
self.set_attributes(self.child_status, mVariables="M45=1 M42=561")
# Make the child block holding panda and pmac mri
self.child = self.create_child_block(
panda_kinematicssavu_block,
self.process,
mri="SCAN:KINSAV",
panda="PANDA",
pmac="PMAC",
)
self.o = KinematicsSavuPart(name="kinsav",
mri="SCAN:KINSAV",
cs_port="CS1",
cs_mri_suffix="CS1")
self.context.set_notify_dispatch_request(
self.o.notify_dispatch_request)
self.process.start()
self.set_attributes(self.pmac)
self.completed_steps = 0
# goal for these is 3000, 2000, True
cols, rows, alternate = 3000, 2000, False
self.steps_to_do = cols * rows
xs = LineGenerator("x", "mm", 0.0, 0.1, cols, alternate=alternate)
ys = LineGenerator("y", "mm", 0.0, 0.1, rows)
self.generator = CompoundGenerator([ys, xs], [], [], 0.1)
self.generator.prepare()
def tearDown(self):
self.process.stop(timeout=1)
shutil.rmtree(self.config_dir.value)
def set_motor_attributes(
self,
x_pos=0.5,
y_pos=0.0,
units="mm",
x_acceleration=2.5,
y_acceleration=2.5,
x_velocity=1.0,
y_velocity=1.0,
):
# create some parts to mock the motion controller and 2 axes in a CS
self.set_attributes(
self.child_x,
cs="CS1,A",
accelerationTime=x_velocity / x_acceleration,
resolution=0.001,
offset=0.0,
maxVelocity=x_velocity,
readback=x_pos,
velocitySettle=0.0,
units=units,
axisNumber=1,
)
self.set_attributes(
self.child_y,
cs="CS1,X",
accelerationTime=y_velocity / y_acceleration,
resolution=0.001,
offset=0.0,
maxVelocity=y_velocity,
readback=y_pos,
velocitySettle=0.0,
units=units,
axisNumber=23,
)
def test_file_creation(self):
tmp_dir = mkdtemp() + os.path.sep
data_name = "p00-1234"
file_template = data_name + "-%s.h5"
self.set_motor_attributes(0.5, 0.0, "mm")
xs = LineGenerator("x", "mm", 0.0, 0.4, 5, alternate=False)
ys = LineGenerator("y", "mm", 1.2, 1.6, 5)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
part_info = dict(HDF=[
DatasetProducedInfo(
"y.data",
"kinematics_PANDABOX2.h5",
DatasetType.POSITION_VALUE,
2,
"/entry/NDAttributes/INENC1.VAL",
"/p/uid",
),
DatasetProducedInfo(
"x.data",
"kinematics_PANDABOX.h5",
DatasetType.POSITION_VALUE,
0,
"/entry/NDAttributes/INENC1.VAL",
"/p/uid",
),
DatasetProducedInfo(
"y.max",
"kinematics_PANDABOX2.h5",
DatasetType.POSITION_MAX,
0,
"/entry/NDAttributes/INENC1_MAX.VAL",
"/p/uid",
),
DatasetProducedInfo(
"y.min",
"kinematics_PANDABOX2.h5",
DatasetType.POSITION_MIN,
0,
"/entry/NDAttributes/INENC1_MIN.VAL",
"/p/uid",
),
DatasetProducedInfo(
"x.max",
"kinematics_PANDABOX.h5",
DatasetType.POSITION_MAX,
0,
"/entry/NDAttributes/INENC1_MAX.VAL",
"/p/uid",
),
DatasetProducedInfo(
"x.min",
"kinematics_PANDABOX.h5",
DatasetType.POSITION_MIN,
0,
"/entry/NDAttributes/INENC1_MIN.VAL",
"/p/uid",
),
DatasetProducedInfo("det.min", "fn1", DatasetType.SECONDARY, 0,
"/p/s2", "/p/uid"),
])
kin_infos = [
DatasetProducedInfo(
"y.mean",
"p00-1234-kinematics-vds.nxs",
DatasetType.POSITION_VALUE,
2,
"/entry/y.mean",
"",
),
DatasetProducedInfo(
"y.max",
"p00-1234-kinematics-vds.nxs",
DatasetType.POSITION_MAX,
2,
"/entry/y.max",
"",
),
DatasetProducedInfo(
"y.min",
"p00-1234-kinematics-vds.nxs",
DatasetType.POSITION_MIN,
2,
"/entry/y.min",
"",
),
DatasetProducedInfo(
"x.mean",
"p00-1234-kinematics-vds.nxs",
DatasetType.POSITION_VALUE,
2,
"/entry/x.mean",
"",
),
DatasetProducedInfo(
"x.max",
"p00-1234-kinematics-vds.nxs",
DatasetType.POSITION_MAX,
2,
"/entry/x.max",
"",
),
DatasetProducedInfo(
"x.min",
"p00-1234-kinematics-vds.nxs",
DatasetType.POSITION_MIN,
2,
"/entry/x.min",
"",
),
]
infos = self.o.on_configure(
self.context,
fileDir=tmp_dir,
generator=generator,
axesToMove=AXES,
fileTemplate=file_template,
part_info=part_info,
)
self.assertEqual(len(infos), len(kin_infos))
for info in kin_infos:
assert str(info) in [str(x) for x in infos]
self.o.on_post_configure(self.context, part_info)
# Check Savu file has been created and contains the correct entries
savu_path = os.path.join(tmp_dir, data_name + "-savu.nxs")
savu_file = h5py.File(savu_path, "r")
# Check the forward kinematics program has been written
useminmax_dataset = savu_file["/entry/inputs/use_minmax"]
self.assertEqual(useminmax_dataset[0], True)
# Check the forward kinematics program has been written
program_dataset = savu_file["/entry/inputs/program"]
self.assertEqual(program_dataset.shape, (1, ))
self.assertEqual(program_dataset[0], "Q1=P1+10 Q5=Q22+4 Q7=8+4 RET ")
# Check the Q and I program variables have been written
variables_dataset = savu_file["/entry/inputs/variables"]
self.assertEqual(variables_dataset.shape, (5, ))
found = False
for dataset in variables_dataset:
if dataset[0] == "Q22":
found = True
self.assertEqual(dataset[1], 12345)
self.assertTrue(found)
# Check the p1 datasets have been written
# Create raw data file first that the file will link to
raw_path = os.path.join(tmp_dir, "kinematics_PANDABOX.h5")
raw = h5py.File(raw_path, "w", libver="latest")
raw.require_group("/entry/NDAttributes/")
fmnd_mean = np.zeros((5, 5, 1, 1))
fmnd_mean[0][0][0][0] = 61616
fmnd_mean[1][2][0][0] = 10101
raw.create_dataset("/entry/NDAttributes/INENC1.VAL", data=fmnd_mean)
fmnd_max = np.zeros((5, 5, 1, 1))
fmnd_max[0][0][0][0] = 27
fmnd_max[3][4][0][0] = 18
raw.create_dataset("/entry/NDAttributes/INENC1_MAX.VAL", data=fmnd_max)
fmnd_max = np.zeros((5, 5, 1, 1))
fmnd_max[0][0][0][0] = 54
fmnd_max[3][4][0][0] = 76
raw.create_dataset("/entry/NDAttributes/INENC1_MIN.VAL", data=fmnd_max)
# Create raw data file first that the file will link to
raw_path2 = os.path.join(tmp_dir, "kinematics_PANDABOX2.h5")
raw2 = h5py.File(raw_path2, "w", libver="latest")
raw2.require_group("/entry/NDAttributes/")
fmnd_mean = np.zeros((5, 5, 1, 1))
fmnd_mean[0][0][0][0] = 12345
fmnd_mean[1][2][0][0] = 54321
raw2.create_dataset("/entry/NDAttributes/INENC1.VAL", data=fmnd_mean)
fmnd_max = np.zeros((5, 5, 1, 1))
fmnd_max[0][0][0][0] = 99
fmnd_max[3][4][0][0] = 88
raw2.create_dataset("/entry/NDAttributes/INENC1_MAX.VAL",
data=fmnd_max)
fmnd_max = np.zeros((5, 5, 1, 1))
fmnd_max[0][0][0][0] = 76
fmnd_max[3][4][0][0] = 44
raw2.create_dataset("/entry/NDAttributes/INENC1_MIN.VAL",
data=fmnd_max)
raw.swmr_mode = True
raw2.swmr_mode = True
# Check p1 mean and max datasets are there
p1mean_dataset = savu_file["/entry/inputs/p1mean"]
self.assertEqual(p1mean_dataset.shape, (5, 5, 1, 1))
self.assertEqual(p1mean_dataset[0][0][0][0], 61616)
self.assertEqual(p1mean_dataset[1][2][0][0], 10101)
p1max_dataset = savu_file["/entry/inputs/p1max"]
self.assertEqual(p1max_dataset.shape, (5, 5, 1, 1))
self.assertEqual(p1max_dataset[0][0][0][0], 27)
self.assertEqual(p1max_dataset[3][4][0][0], 18)
savu_file.close()
# Check the final vds file has been created
# First create a fake Savu output file that the vds will link to
raw_savu_path = os.path.join(tmp_dir, data_name + "-savuproc")
os.mkdir(raw_savu_path)
raw_savu_path = os.path.join(raw_savu_path,
data_name + "-savu_processed.nxs")
raw_savu = h5py.File(raw_savu_path, "w")
raw_savu.require_group("/entry/final_result_qmean/")
savu_proc = np.ones((9, 5, 5))
savu_proc[0][0][0] = 555
savu_proc[0][2][1] = 666
raw_savu.create_dataset("/entry/final_result_qmean/data",
data=savu_proc)
raw_savu.close()
# Check xmean is there
vds_path = os.path.join(tmp_dir, data_name + "-kinematics-vds.nxs")
vds_file = h5py.File(vds_path, "r")
xmean = vds_file["/entry/x.mean"]
self.assertEqual(xmean.shape, (5, 5))
self.assertEqual(xmean[0][0], 555)
self.assertEqual(xmean[2][1], 666)
vds_file.close()
raw.close()
raw2.close()
rmtree(tmp_dir)
class TestPandaSeqTriggerPart(ChildTestCase):
def setUp(self):
self.process = Process("Process")
self.context = Context(self.process)
# Create a fake PandA
self.panda = ManagerController("PANDA", "/tmp", use_git=False)
self.busses = PositionsPart("busses")
self.panda.add_part(self.busses)
# Make 2 sequencers we can prod
self.seq_parts = {}
for i in (1, 2):
controller = BasicController("PANDA:SEQ%d" % i)
self.seq_parts[i] = SequencerPart("part")
controller.add_part(self.seq_parts[i])
self.process.add_controller(controller)
self.panda.add_part(
ChildPart(
"SEQ%d" % i,
"PANDA:SEQ%d" % i,
initial_visibility=True,
stateful=False,
))
self.child_seq1 = self.process.get_controller("PANDA:SEQ1")
self.child_seq2 = self.process.get_controller("PANDA:SEQ2")
# And an srgate
controller = BasicController("PANDA:SRGATE1")
self.gate_part = GatePart("part")
controller.add_part(self.gate_part)
self.process.add_controller(controller)
self.panda.add_part(
ChildPart("SRGATE1",
"PANDA:SRGATE1",
initial_visibility=True,
stateful=False))
self.process.add_controller(self.panda)
# And the PMAC
pmac_block = make_block_creator(
os.path.join(os.path.dirname(__file__), "..", "test_pmac", "blah"),
"test_pmac_manager_block.yaml",
)
self.config_dir = tmp_dir("config_dir")
self.pmac = self.create_child_block(
pmac_block,
self.process,
mri_prefix="PMAC",
config_dir=self.config_dir.value,
)
# These are the motors we are interested in
self.child_x = self.process.get_controller("BL45P-ML-STAGE-01:X")
self.child_y = self.process.get_controller("BL45P-ML-STAGE-01:Y")
self.child_cs1 = self.process.get_controller("PMAC:CS1")
# CS1 needs to have the right port otherwise we will error
self.set_attributes(self.child_cs1, port="CS1")
# Make the child block holding panda and pmac mri
self.child = self.create_child_block(
panda_seq_trigger_block,
self.process,
mri="SCAN:PCOMP",
panda="PANDA",
pmac="PMAC",
)
# And our part under test
self.o = PandASeqTriggerPart("pcomp", "SCAN:PCOMP")
# Now start the process off and tell the panda which sequencer tables
# to use
self.process.start()
exports = ExportTable.from_rows([
("SEQ1.table", "seqTableA"),
("SEQ2.table", "seqTableB"),
("SRGATE1.forceSet", "seqSetEnable"),
("SRGATE1.forceReset", "seqReset"),
])
self.panda.set_exports(exports)
def tearDown(self):
self.process.stop(timeout=2)
shutil.rmtree(self.config_dir.value)
def set_motor_attributes(
self,
x_pos=0.5,
y_pos=0.0,
units="mm",
x_acceleration=2.5,
y_acceleration=2.5,
x_velocity=1.0,
y_velocity=1.0,
):
# create some parts to mock the motion controller and 2 axes in a CS
self.set_attributes(
self.child_x,
cs="CS1,A",
accelerationTime=x_velocity / x_acceleration,
resolution=0.001,
offset=0.0,
maxVelocity=x_velocity,
readback=x_pos,
velocitySettle=0.0,
units=units,
)
self.set_attributes(
self.child_y,
cs="CS1,B",
accelerationTime=y_velocity / y_acceleration,
resolution=0.001,
offset=0.0,
maxVelocity=y_velocity,
readback=y_pos,
velocitySettle=0.0,
units=units,
)
# Patch the super setup() method so we only get desired calls
@patch("malcolm.modules.builtin.parts.ChildPart.setup")
def test_setup(self, mocked_super_setup):
mock_registrar = Mock(name="mock_registrar")
call_list = [
call(ReportStatusHook, self.o.on_report_status),
call((ConfigureHook, SeekHook), self.o.on_configure),
call(RunHook, self.o.on_run),
call(ResetHook, self.o.on_reset),
call((AbortHook, PauseHook), self.o.on_abort),
call(PostRunArmedHook, self.o.post_inner_scan),
]
self.o.setup(mock_registrar)
mocked_super_setup.assert_called_once_with(mock_registrar)
mock_registrar.hook.assert_has_calls(call_list, any_order=True)
@patch(
"malcolm.modules.ADPandABlocks.parts.pandaseqtriggerpart.DoubleBuffer",
autospec=True,
)
def test_configure_and_run_prepare_components(self, buffer_class):
buffer_instance = buffer_class.return_value
buffer_instance.run.return_value = []
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
completed_steps = 0
steps_to_do = generator.size
self.set_motor_attributes()
axes_to_move = ["x", "y"]
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
assert self.o.generator is generator
assert self.o.loaded_up_to == completed_steps
assert self.o.scan_up_to == completed_steps + steps_to_do
# Other unit tests check that the sequencer rows used here are correct
buffer_instance.configure.assert_called_once()
self.gate_part.enable_set.assert_not_called()
buffer_instance.run.assert_not_called()
# The SRGate should only be enabled by on_pre_run() here.
self.o.on_pre_run(self.context)
self.o.on_run(self.context)
self.gate_part.enable_set.assert_called_once()
buffer_instance.run.assert_called_once()
@patch(
"malcolm.modules.ADPandABlocks.parts.pandaseqtriggerpart.DoubleBuffer",
autospec=True,
)
def test_configure_and_run_prepare_no_axes(self, buffer_class):
buffer_instance = buffer_class.return_value
buffer_instance.run.return_value = []
generator = CompoundGenerator([StaticPointGenerator(size=1)], [], [],
1.0)
generator.prepare()
completed_steps = 0
steps_to_do = generator.size
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, "")
assert self.o.generator is generator
assert self.o.loaded_up_to == completed_steps
assert self.o.scan_up_to == completed_steps + steps_to_do
buffer_instance.configure.assert_called_once()
self.gate_part.enable_set.assert_not_called()
buffer_instance.run.assert_not_called()
# The SRGate should only be enabled by on_run() here.
self.o.on_pre_run(self.context)
self.o.on_run(self.context)
self.gate_part.enable_set.assert_called_once()
buffer_instance.run.assert_called_once()
@patch(
"malcolm.modules.ADPandABlocks.parts.pandaseqtriggerpart.PandASeqTriggerPart"
".on_abort",
autospec=True,
)
def test_reset_triggers_abort(self, abort_method):
abort_method.assert_not_called()
self.o.on_reset(self.context)
abort_method.assert_called_once()
@patch(
"malcolm.modules.ADPandABlocks.parts.pandaseqtriggerpart.DoubleBuffer.clean_up",
autospec=True,
)
def test_abort_cleans_up_correctly(self, db_clean_up_method):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
completed_steps = 0
steps_to_do = generator.size
self.set_motor_attributes()
axes_to_move = ["x", "y"]
db_clean_up_method.assert_not_called()
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
db_clean_up_method.assert_called_once()
self.gate_part.seq_reset.assert_not_called()
self.o.on_abort(self.context)
self.gate_part.seq_reset.assert_called_once()
assert 2 == db_clean_up_method.call_count
def test_abort_does_not_throw_exception_if_no_seq_reset_exported(self):
original_exports = self.panda.exports.value.rows()
exports = ExportTable.from_rows(
[row for row in original_exports if row[1] != "seqReset"])
self.panda.set_exports(exports)
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
completed_steps = 0
steps_to_do = generator.size
self.set_motor_attributes()
axes_to_move = ["x", "y"]
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
self.o.on_abort(self.context)
@patch(
"malcolm.modules.ADPandABlocks.parts.pandaseqtriggerpart.DoubleBuffer",
autospec=True,
)
def get_sequencer_rows(self,
generator,
axes_to_move,
buffer_class,
steps=None):
"""Helper method for comparing table values."""
buffer_instance = buffer_class.return_value
generator.prepare()
completed_steps = 0
steps_to_do = steps if steps is not None else generator.size
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
rows_gen = buffer_instance.configure.call_args[0][0]
rows = SequencerRows()
for rs in rows_gen:
rows.extend(rs)
return rows
def test_configure_continuous(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
self.set_motor_attributes()
axes_to_move = ["x", "y"]
seq_rows = self.get_sequencer_rows(generator, axes_to_move)
# Triggers
GT = Trigger.POSA_GT
IT = Trigger.IMMEDIATE
LT = Trigger.POSA_LT
# Half a frame
hf = 62500000
# Half how long to be blind for
hb = 22500000
expected = SequencerRows()
expected.add_seq_entry(count=1,
trigger=LT,
position=50,
half_duration=hf,
live=1,
dead=0)
expected.add_seq_entry(3, IT, 0, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, hb, 0, 1)
expected.add_seq_entry(1, GT, -350, hf, 1, 0)
expected.add_seq_entry(3, IT, 0, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(0, IT, 0, MIN_PULSE, 0, 0)
assert seq_rows.as_tuples() == expected.as_tuples()
def test_configure_motion_controller_trigger(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
self.set_motor_attributes()
self.set_attributes(self.child, rowTrigger="Motion Controller")
self.set_attributes(self.child_seq1, bita="TTLIN1.VAL")
self.set_attributes(self.child_seq2, bita="TTLIN1.VAL")
axes_to_move = ["x", "y"]
seq_rows = self.get_sequencer_rows(generator, axes_to_move)
# Triggers
B0 = Trigger.BITA_0
B1 = Trigger.BITA_1
IT = Trigger.IMMEDIATE
# Half a frame
hf = 62500000
expected = SequencerRows()
expected.add_seq_entry(count=1,
trigger=B1,
position=0,
half_duration=hf,
live=1,
dead=0)
expected.add_seq_entry(3, IT, 0, hf, 1, 0)
expected.add_seq_entry(1, B0, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(1, B1, 0, hf, 1, 0)
expected.add_seq_entry(3, IT, 0, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(0, IT, 0, MIN_PULSE, 0, 0)
assert seq_rows.as_tuples() == expected.as_tuples()
# AssertionError is thrown as inputs are not are not set for SEQ bitA.
def test_configure_assert_stepped(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0, continuous=False)
generator.prepare()
completed_steps = 0
steps_to_do = generator.size
self.set_motor_attributes()
self.set_attributes(self.child, rowTrigger="Motion Controller")
axes_to_move = ["x", "y"]
with self.assertRaises(AssertionError):
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
def test_configure_stepped(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4)
ys = LineGenerator("y", "mm", 0.0, 0.2, 3)
generator = CompoundGenerator([ys, xs], [], [], 1.0, continuous=False)
generator.prepare()
self.set_motor_attributes()
self.set_attributes(self.child, rowTrigger="Motion Controller")
self.set_attributes(self.child_seq1, bita="TTLIN1.VAL")
self.set_attributes(self.child_seq2, bita="TTLIN1.VAL")
axes_to_move = ["x", "y"]
seq_rows = self.get_sequencer_rows(generator, axes_to_move)
# Triggers
B0 = Trigger.BITA_0
B1 = Trigger.BITA_1
IT = Trigger.IMMEDIATE
# Half a frame
hf = 62500000
expected = SequencerRows()
for i in range(11):
expected.add_seq_entry(1, B1, 0, hf, 1, 0)
expected.add_seq_entry(1, B0, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(1, B1, 0, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(0, IT, 0, MIN_PULSE, 0, 0)
assert seq_rows.as_tuples() == expected.as_tuples()
def test_acquire_scan(self):
generator = CompoundGenerator([StaticPointGenerator(size=5)], [], [],
1.0)
generator.prepare()
seq_rows = self.get_sequencer_rows(generator, [])
# Triggers
IT = Trigger.IMMEDIATE
# Half a frame
hf = 62500000
expected = SequencerRows()
expected.add_seq_entry(count=5,
trigger=IT,
position=0,
half_duration=hf,
live=1,
dead=0)
expected.add_seq_entry(1, IT, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(0, IT, 0, MIN_PULSE, 0, 0)
assert seq_rows.as_tuples() == expected.as_tuples()
def test_configure_pcomp_row_trigger_with_single_point_rows(self):
x_steps, y_steps = 1, 5
xs = LineGenerator("x", "mm", 0.0, 0.5, x_steps, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 4, y_steps)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
self.set_motor_attributes()
axes_to_move = ["x", "y"]
seq_rows = self.get_sequencer_rows(generator, axes_to_move)
# Triggers
GT = Trigger.POSA_GT
LT = Trigger.POSA_LT
IT = Trigger.IMMEDIATE
# Half a frame
hf = 62500000
# Half blind
hb = 75000000
expected = SequencerRows()
expected.add_seq_entry(count=1,
trigger=LT,
position=0,
half_duration=hf,
live=1,
dead=0)
expected.add_seq_entry(1, IT, 0, hb, 0, 1)
expected.add_seq_entry(1, GT, -500, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, hb, 0, 1)
expected.add_seq_entry(1, LT, 0, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, hb, 0, 1)
expected.add_seq_entry(1, GT, -500, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, hb, 0, 1)
expected.add_seq_entry(1, LT, 0, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(0, IT, 0, MIN_PULSE, 0, 0)
assert seq_rows.as_tuples() == expected.as_tuples()
def test_configure_with_delay_after(self):
# a test to show that delay_after inserts a "loop_back" turnaround
delay = 1.0
x_steps, y_steps = 3, 2
xs = LineGenerator("x", "mm", 0.0, 0.5, x_steps, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, y_steps)
generator = CompoundGenerator([ys, xs], [], [], 1.0, delay_after=delay)
self.set_motor_attributes()
axes_to_move = ["x", "y"]
seq_rows = self.get_sequencer_rows(generator, axes_to_move)
# Triggers
GT = Trigger.POSA_GT
IT = Trigger.IMMEDIATE
LT = Trigger.POSA_LT
# Half a frame
hf = 62500000
# Half how long to be blind for a single point
hfb = 55625000
# Half how long to be blind for end of row
hrb = 56500000
expected = SequencerRows()
expected.add_seq_entry(count=1,
trigger=LT,
position=125,
half_duration=hf,
live=1,
dead=0)
expected.add_seq_entry(1, IT, 0, hfb, 0, 1)
expected.add_seq_entry(1, LT, -125, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, hfb, 0, 1)
expected.add_seq_entry(1, LT, -375, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, hrb, 0, 1)
expected.add_seq_entry(1, GT, -625, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, hfb, 0, 1)
expected.add_seq_entry(1, GT, -375, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, hfb, 0, 1)
expected.add_seq_entry(1, GT, -125, hf, 1, 0)
expected.add_seq_entry(1, IT, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(0, IT, 0, MIN_PULSE, 0, 0)
assert seq_rows.as_tuples() == expected.as_tuples()
def test_configure_with_zero_points(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
self.set_motor_attributes()
axes_to_move = ["x", "y"]
seq_rows = self.get_sequencer_rows(generator, axes_to_move, steps=0)
# Triggers
IT = Trigger.IMMEDIATE
expected = SequencerRows()
expected.add_seq_entry(1, IT, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(0, IT, 0, MIN_PULSE, 0, 0)
assert seq_rows.as_tuples() == expected.as_tuples()
def test_configure_with_one_point(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
self.set_motor_attributes()
axes_to_move = ["x", "y"]
seq_rows = self.get_sequencer_rows(generator, axes_to_move, steps=1)
# Triggers
IT = Trigger.IMMEDIATE
LT = Trigger.POSA_LT
# Half a frame
hf = 62500000
expected = SequencerRows()
expected.add_seq_entry(count=1,
trigger=LT,
position=50,
half_duration=hf,
live=1,
dead=0)
expected.add_seq_entry(1, IT, 0, MIN_PULSE, 0, 1)
expected.add_seq_entry(0, IT, 0, MIN_PULSE, 0, 0)
assert seq_rows.as_tuples() == expected.as_tuples()
def test_configure_long_pcomp_row_trigger(self):
# Skip on GitHub Actions and GitLab CI
if "CI" in os.environ:
pytest.skip("performance test only")
self.set_motor_attributes(
0,
0,
"mm",
x_velocity=300,
y_velocity=300,
x_acceleration=30,
y_acceleration=30,
)
x_steps, y_steps = 4000, 1000
xs = LineGenerator("x", "mm", 0.0, 10, x_steps, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 8, y_steps)
generator = CompoundGenerator([ys, xs], [], [], 0.005)
generator.prepare()
completed_steps = 0
steps_to_do = x_steps * y_steps
self.set_motor_attributes()
axes_to_move = ["x", "y"]
start = datetime.now()
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
elapsed = datetime.now() - start
assert elapsed.total_seconds() < 3.0
def test_on_report_status_doing_pcomp(self):
mock_context = MagicMock(name="context_mock")
mock_child = MagicMock(name="child_mock")
mock_child.rowTrigger.value = "Position Compare"
mock_context.block_view.return_value = mock_child
info = self.o.on_report_status(mock_context)
assert info.trigger == MotionTrigger.NONE
def test_on_report_status_not_doing_pcomp_is_row_gate(self):
mock_context = MagicMock(name="context_mock")
mock_child = MagicMock(name="child_mock")
mock_child.rowTrigger.value = "Motion Controller"
mock_context.block_view.return_value = mock_child
info = self.o.on_report_status(mock_context)
assert info.trigger == MotionTrigger.ROW_GATE
class TestPandaPulseTriggerPart(ChildTestCase):
def setUp(self):
self.process = Process("Process")
self.context = Context(self.process)
# Create a fake PandA with a pulse block
self.panda = ManagerController("PANDA", "/tmp")
controller = BasicController("PANDA:PULSE3")
self.pulse_part = PulsePart("part")
controller.add_part(self.pulse_part)
self.process.add_controller(controller)
self.panda.add_part(
ChildPart("PULSE3",
"PANDA:PULSE3",
initial_visibility=True,
stateful=False))
self.process.add_controller(self.panda)
# And the detector
self.config_dir = tmp_dir("config_dir")
for c in detector_block("DET", config_dir=self.config_dir.value):
self.process.add_controller(c)
# Make the child block holding panda and pmac mri
self.child = self.create_child_block(
panda_pulse_trigger_block,
self.process,
mri="SCAN:PULSE",
panda="PANDA",
detector="DET",
)
# And our part under test
self.o = PandAPulseTriggerPart("detTrigger", "SCAN:PULSE")
# Add in a scan block
self.scan = RunnableController("SCAN", "/tmp")
self.scan.add_part(DetectorChildPart("det", "DET", True))
self.scan.add_part(self.o)
self.process.add_controller(self.scan)
# Now start the process off and tell the panda which sequencer tables
# to use
self.process.start()
exports = ExportTable.from_rows([
("PULSE3.width", "detTriggerWidth"),
("PULSE3.step", "detTriggerStep"),
("PULSE3.delay", "detTriggerDelay"),
("PULSE3.pulses", "detTriggerPulses"),
])
self.panda.set_exports(exports)
self.tmpdir = tempfile.mkdtemp()
def tearDown(self):
self.process.stop(timeout=2)
shutil.rmtree(self.tmpdir)
shutil.rmtree(self.config_dir.value)
def check_pulse_mocks(self, width, step, delay, pulses):
self.pulse_part.mocks["width"].assert_called_once_with(
pytest.approx(width))
self.pulse_part.mocks["step"].assert_called_once_with(
pytest.approx(step))
self.pulse_part.mocks["delay"].assert_called_once_with(
pytest.approx(delay))
self.pulse_part.mocks["pulses"].assert_called_once_with(pulses)
def test_configure_multiple_no_exposure(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
detectors = DetectorTable.from_rows([[True, "det", "DET", 0.0, 5]])
self.o.on_configure(self.context, generator, detectors)
assert self.o.generator_duration == 1.0
assert self.o.frames_per_step == 5
# Detector would normally be configured by DetectorChildPart
detector = self.process.block_view("DET")
spg = StaticPointGenerator(5, axes=["det_frames_per_step"])
ex = SquashingExcluder(axes=["det_frames_per_step", "x"])
generatormultiplied = CompoundGenerator([ys, xs, spg], [ex], [], 0.2)
detector.configure(generatormultiplied, self.tmpdir)
self.o.on_post_configure()
self.check_pulse_mocks(0.19899, 0.2, 0.000505, 5)
def test_configure_multiple_no_exposure_with_zero_delay(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
detectors = DetectorTable.from_rows([[True, "det", "DET", 0.0, 5]])
# Set delay to zero (normally done in constructor)
self.o.zero_delay = True
self.o.on_configure(self.context, generator, detectors)
assert self.o.generator_duration == 1.0
assert self.o.frames_per_step == 5
# Detector would normally be configured by DetectorChildPart
detector = self.process.block_view("DET")
spg = StaticPointGenerator(5, axes=["det_frames_per_step"])
ex = SquashingExcluder(axes=["det_frames_per_step", "x"])
generatormultiplied = CompoundGenerator([ys, xs, spg], [ex], [], 0.2)
detector.configure(generatormultiplied, self.tmpdir)
self.o.on_post_configure()
self.check_pulse_mocks(0.19899, 0.2, 0.0, 5)
def test_system(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
detectors = DetectorTable.from_rows([[True, "det", "DET", 0.0, 5]])
b = self.scan.block_view()
b.configure(generator, self.tmpdir, detectors=detectors)
self.check_pulse_mocks(0.19899, 0.2, 0.000505, 5)
def test_system_defined_exposure(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
detectors = DetectorTable.from_rows([[True, "det", "DET", 0.1, 5]])
b = self.scan.block_view()
b.configure(generator, self.tmpdir, detectors=detectors)
self.check_pulse_mocks(0.1, 0.2, 0.05, 5)
def test_on_validate_tweaks_zero_duration(self):
points = StaticPointGenerator(10)
generator = CompoundGenerator([points], [], [], 0.0)
generator.prepare()
# Disable the detector
detectors = DetectorTable.from_rows([[False, "det", "DET", 0.0, 5]])
# Expected duration is 2 clock cycles
expected_duration = 2 * 8.0e-9
b = self.scan.block_view()
params = b.validate(generator, self.tmpdir, detectors=detectors)
self.assertEqual(expected_duration, params["generator"]["duration"])
def test_on_validate_raises_AssertionError_for_negative_duration(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], -1.0)
generator.prepare()
# Disable the detector
detectors = DetectorTable.from_rows([[False, "det", "DET", 0.0, 5]])
b = self.scan.block_view()
self.assertRaises(AssertionError,
b.validate,
generator,
self.tmpdir,
detectors=detectors)
class TestManagerController(unittest.TestCase):
maxDiff = None
def setUp(self):
self.p = Process('process1')
# create a child to client
self.c_child = StatefulController("childBlock")
self.c_part = MyPart("cp1")
self.c_child.add_part(self.c_part)
self.p.add_controller(self.c_child)
# create a root block for the ManagerController block to reside in
if os.path.isdir("/tmp/mainBlock"):
shutil.rmtree("/tmp/mainBlock")
self.c = ManagerController('mainBlock', config_dir="/tmp")
self.c.add_part(MyPart("part1"))
self.c.add_part(
ChildPart("part2", mri="childBlock", initial_visibility=True))
self.p.add_controller(self.c)
self.b = self.p.block_view("mainBlock")
# check that do_initial_reset works asynchronously
assert self.c.state.value == "Disabled"
self.p.start()
assert self.c.state.value == "Ready"
def tearDown(self):
self.p.stop(timeout=1)
def test_init(self):
assert self.c.layout.value.name == ["part2"]
assert self.c.layout.value.mri == ["childBlock"]
assert self.c.layout.value.x == [0.0]
assert self.c.layout.value.y == [0.0]
assert self.c.layout.value.visible == [True]
assert self.c.layout.meta.elements["name"].writeable is False
assert self.c.layout.meta.elements["mri"].writeable is False
assert self.c.layout.meta.elements["x"].writeable is True
assert self.c.layout.meta.elements["y"].writeable is True
assert self.c.layout.meta.elements["visible"].writeable is True
assert self.c.design.value == ""
assert self.c.exports.value.source == []
assert self.c.exports.meta.elements["source"].choices == \
['part2.health', 'part2.state', 'part2.disable', 'part2.reset',
'part2.attr']
assert self.c.exports.value.export == []
assert self.c.modified.value is False
assert self.c.modified.alarm.message == ""
assert self.b.mri.value == "mainBlock"
assert self.b.mri.meta.tags == ["sourcePort:block:mainBlock"]
def check_expected_save(self,
x=0.0,
y=0.0,
visible="true",
attr="defaultv"):
expected = [
x.strip() for x in ("""{
"attributes": {
"layout": {
"part2": {
"x": %s,
"y": %s,
"visible": %s
}
},
"exports": {},
"attr": "defaultv"
},
"children": {
"part2": {
"attr": "%s"
}
}
}""" % (x, y, visible, attr)).splitlines()
]
with open("/tmp/mainBlock/testSaveLayout.json") as f:
actual = [x.strip() for x in f.readlines()]
assert actual == expected
def test_save(self):
self.c._run_git_cmd = MagicMock()
assert self.c.design.value == ""
assert self.c.design.meta.choices == [""]
c = Context(self.p)
l = []
c.subscribe(["mainBlock", "design", "meta"], l.append)
# Wait for long enough for the other process to get a look in
c.sleep(0.1)
assert len(l) == 1
assert l.pop()["choices"] == [""]
b = c.block_view("mainBlock")
b.save(design="testSaveLayout")
assert len(l) == 3
assert l[0]["writeable"] == False
assert l[1]["choices"] == ["", "testSaveLayout"]
assert l[2]["writeable"] == True
assert self.c.design.meta.choices == ["", "testSaveLayout"]
self.check_expected_save()
assert self.c.state.value == "Ready"
assert self.c.design.value == 'testSaveLayout'
assert self.c.modified.value is False
os.remove("/tmp/mainBlock/testSaveLayout.json")
self.c_part.attr.set_value("newv")
assert self.c.modified.value is True
assert self.c.modified.alarm.message == \
"part2.attr.value = 'newv' not 'defaultv'"
self.c.save(design="")
self.check_expected_save(attr="newv")
assert self.c.design.value == 'testSaveLayout'
assert self.c._run_git_cmd.call_args_list == [
call('add', '/tmp/mainBlock/testSaveLayout.json'),
call('commit', '--allow-empty', '-m',
'Saved mainBlock testSaveLayout',
'/tmp/mainBlock/testSaveLayout.json'),
call('add', '/tmp/mainBlock/testSaveLayout.json'),
call('commit', '--allow-empty', '-m',
'Saved mainBlock testSaveLayout',
'/tmp/mainBlock/testSaveLayout.json')
]
def move_child_block(self):
new_layout = dict(name=["part2"],
mri=["anything"],
x=[10],
y=[20],
visible=[True])
self.b.layout.put_value(new_layout)
def test_move_child_block_dict(self):
assert self.b.layout.value.x == [0]
self.move_child_block()
assert self.b.layout.value.x == [10]
def test_set_and_load_layout(self):
new_layout = LayoutTable(name=["part2"],
mri=["anything"],
x=[10],
y=[20],
visible=[False])
self.c.set_layout(new_layout)
assert self.c.parts['part2'].x == 10
assert self.c.parts['part2'].y == 20
assert self.c.parts['part2'].visible == False
assert self.c.modified.value == True
assert self.c.modified.alarm.message == "layout changed"
# save the layout, modify and restore it
self.b.save(design='testSaveLayout')
assert self.c.modified.value is False
self.check_expected_save(10.0, 20.0, "false")
self.c.parts['part2'].x = 30
self.c.set_design('testSaveLayout')
assert self.c.parts['part2'].x == 10
def test_set_export_parts(self):
context = Context(self.p)
b = context.block_view("mainBlock")
assert list(b) == [
'meta', 'health', 'state', 'disable', 'reset', 'mri', 'layout',
'design', 'exports', 'modified', 'save', 'attr'
]
assert b.attr.meta.tags == ["widget:textinput"]
new_exports = ExportTable.from_rows([('part2.attr', 'childAttr'),
('part2.reset', 'childReset')])
self.c.set_exports(new_exports)
assert self.c.modified.value == True
assert self.c.modified.alarm.message == "exports changed"
self.c.save(design='testSaveLayout')
assert self.c.modified.value == False
# block has changed, get a new view
b = context.block_view("mainBlock")
assert list(b) == [
'meta', 'health', 'state', 'disable', 'reset', 'mri', 'layout',
'design', 'exports', 'modified', 'save', 'attr', 'childAttr',
'childReset'
]
assert self.c.state.value == "Ready"
assert b.childAttr.value == "defaultv"
assert self.c.modified.value == False
m = MagicMock()
f = b.childAttr.subscribe_value(m)
# allow a subscription to come through
context.sleep(0.1)
m.assert_called_once_with("defaultv")
m.reset_mock()
self.c_part.attr.set_value("newv")
assert b.childAttr.value == "newv"
assert self.c_part.attr.value == "newv"
assert self.c.modified.value == True
assert self.c.modified.alarm.message == \
"part2.attr.value = 'newv' not 'defaultv'"
# allow a subscription to come through
context.sleep(0.1)
m.assert_called_once_with("newv")
b.childAttr.put_value("again")
assert b.childAttr.value == "again"
assert self.c_part.attr.value == "again"
assert self.c.modified.value == True
assert self.c.modified.alarm.message == \
"part2.attr.value = 'again' not 'defaultv'"
# remove the field
new_exports = ExportTable([], [])
self.c.set_exports(new_exports)
assert self.c.modified.value == True
self.c.save()
assert self.c.modified.value == False
# block has changed, get a new view
b = context.block_view("mainBlock")
assert "childAttr" not in b
class TestPandaSeqTriggerPart(ChildTestCase):
def setUp(self):
self.process = Process("Process")
self.context = Context(self.process)
# Create a fake PandA
self.panda = ManagerController("PANDA", "/tmp")
self.busses = PositionsPart("busses")
self.panda.add_part(self.busses)
# Make 2 sequencers we can prod
self.seq_parts = {}
for i in (1, 2):
controller = BasicController("PANDA:SEQ%d" % i)
self.seq_parts[i] = SequencerPart("part")
controller.add_part(self.seq_parts[i])
self.process.add_controller(controller)
self.panda.add_part(
ChildPart(
"SEQ%d" % i,
"PANDA:SEQ%d" % i,
initial_visibility=True,
stateful=False,
))
self.child_seq1 = self.process.get_controller("PANDA:SEQ1")
self.child_seq2 = self.process.get_controller("PANDA:SEQ2")
# And an srgate
controller = BasicController("PANDA:SRGATE1")
self.gate_part = GatePart("part")
controller.add_part(self.gate_part)
self.process.add_controller(controller)
self.panda.add_part(
ChildPart("SRGATE1",
"PANDA:SRGATE1",
initial_visibility=True,
stateful=False))
self.process.add_controller(self.panda)
# And the PMAC
pmac_block = make_block_creator(
os.path.join(os.path.dirname(__file__), "..", "test_pmac", "blah"),
"test_pmac_manager_block.yaml",
)
self.pmac = self.create_child_block(pmac_block,
self.process,
mri_prefix="PMAC",
config_dir="/tmp")
# These are the motors we are interested in
self.child_x = self.process.get_controller("BL45P-ML-STAGE-01:X")
self.child_y = self.process.get_controller("BL45P-ML-STAGE-01:Y")
self.child_cs1 = self.process.get_controller("PMAC:CS1")
# CS1 needs to have the right port otherwise we will error
self.set_attributes(self.child_cs1, port="CS1")
# Make the child block holding panda and pmac mri
self.child = self.create_child_block(
panda_seq_trigger_block,
self.process,
mri="SCAN:PCOMP",
panda="PANDA",
pmac="PMAC",
)
# And our part under test
self.o = PandASeqTriggerPart("pcomp", "SCAN:PCOMP")
# Now start the process off and tell the panda which sequencer tables
# to use
self.process.start()
exports = ExportTable.from_rows([
("SEQ1.table", "seqTableA"),
("SEQ2.table", "seqTableB"),
("SRGATE1.forceSet", "seqSetEnable"),
])
self.panda.set_exports(exports)
def tearDown(self):
self.process.stop(timeout=2)
def set_motor_attributes(
self,
x_pos=0.5,
y_pos=0.0,
units="mm",
x_acceleration=2.5,
y_acceleration=2.5,
x_velocity=1.0,
y_velocity=1.0,
):
# create some parts to mock the motion controller and 2 axes in a CS
self.set_attributes(
self.child_x,
cs="CS1,A",
accelerationTime=x_velocity / x_acceleration,
resolution=0.001,
offset=0.0,
maxVelocity=x_velocity,
readback=x_pos,
velocitySettle=0.0,
units=units,
)
self.set_attributes(
self.child_y,
cs="CS1,B",
accelerationTime=y_velocity / y_acceleration,
resolution=0.001,
offset=0.0,
maxVelocity=y_velocity,
readback=y_pos,
velocitySettle=0.0,
units=units,
)
def test_configure_continuous(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
completed_steps = 0
steps_to_do = 8
self.set_motor_attributes()
axes_to_move = ["x", "y"]
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
assert self.o.generator is generator
assert self.o.loaded_up_to == completed_steps
assert self.o.scan_up_to == completed_steps + steps_to_do
# Triggers
GT = Trigger.POSA_GT
IT = Trigger.IMMEDIATE
LT = Trigger.POSA_LT
# Half a frame
hf = 62500000
# Half how long to be blind for
hb = 22500000
self.seq_parts[1].table_set.assert_called_once()
table = self.seq_parts[1].table_set.call_args[0][0]
assert table.repeats == [1, 3, 1, 1, 3, 1]
assert table.trigger == [LT, IT, IT, GT, IT, IT]
assert table.position == [50, 0, 0, -350, 0, 0]
assert table.time1 == [hf, hf, hb, hf, hf, 125000000]
assert table.outa1 == [1, 1, 0, 1, 1, 0] # Live
assert table.outb1 == [0, 0, 1, 0, 0, 1] # Dead
assert (table.outc1 == table.outd1 == table.oute1 == table.outf1 ==
[0, 0, 0, 0, 0, 0])
assert table.time2 == [hf, hf, hb, hf, hf, 125000000]
assert (table.outa2 == table.outb2 == table.outc2 == table.outd2 ==
table.oute2 == table.outf2 == [0, 0, 0, 0, 0, 0])
# Check we didn't press the gate part
self.gate_part.enable_set.assert_not_called()
self.o.on_run(self.context)
# Check we pressed the gate part
self.gate_part.enable_set.assert_called_once()
def test_configure_motion_controller_trigger(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
completed_steps = 0
steps_to_do = 8
self.set_motor_attributes()
self.set_attributes(self.child, rowTrigger="Motion Controller")
self.set_attributes(self.child_seq1, bita="TTLIN1.VAL")
self.set_attributes(self.child_seq2, bita="TTLIN1.VAL")
axes_to_move = ["x", "y"]
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
assert self.o.generator is generator
assert self.o.loaded_up_to == completed_steps
assert self.o.scan_up_to == completed_steps + steps_to_do
# Triggers
B0 = Trigger.BITA_0
B1 = Trigger.BITA_1
IT = Trigger.IMMEDIATE
# Half a frame
hf = 62500000
self.seq_parts[1].table_set.assert_called_once()
table = self.seq_parts[1].table_set.call_args[0][0]
assert table.repeats == [1, 3, 1, 1, 3, 1]
assert table.trigger == [B1, IT, B0, B1, IT, IT]
assert table.time1 == [hf, hf, 1250, hf, hf, 125000000]
assert table.position == [0, 0, 0, 0, 0, 0]
assert table.outa1 == [1, 1, 0, 1, 1, 0] # Live
assert table.outb1 == [0, 0, 1, 0, 0, 1] # Dead
assert (table.outc1 == table.outd1 == table.oute1 == table.outf1 ==
[0, 0, 0, 0, 0, 0])
assert table.time2 == [hf, hf, 1250, hf, hf, 125000000]
assert (table.outa2 == table.outb2 == table.outc2 == table.outd2 ==
table.oute2 == table.outf2 == [0, 0, 0, 0, 0, 0])
# Check we didn't press the gate part
self.gate_part.enable_set.assert_not_called()
self.o.on_run(self.context)
# Check we pressed the gate part
self.gate_part.enable_set.assert_called_once()
def test_configure_stepped(self):
xs = LineGenerator("x", "mm", 0.0, 0.3, 4, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, 2)
generator = CompoundGenerator([ys, xs], [], [], 1.0, continuous=False)
generator.prepare()
completed_steps = 0
steps_to_do = 8
self.set_motor_attributes()
axes_to_move = ["x", "y"]
with self.assertRaises(AssertionError):
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
def test_acquire_scan(self):
generator = CompoundGenerator([StaticPointGenerator(size=5)], [], [],
1.0)
generator.prepare()
completed_steps = 0
steps_to_do = 5
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, [])
assert self.o.generator is generator
assert self.o.loaded_up_to == completed_steps
assert self.o.scan_up_to == completed_steps + steps_to_do
# Triggers
IT = Trigger.IMMEDIATE
# Half a frame
hf = 62500000
self.seq_parts[1].table_set.assert_called_once()
table = self.seq_parts[1].table_set.call_args[0][0]
assert table.repeats == [5, 1]
assert table.trigger == [IT, IT]
assert table.position == [0, 0]
assert table.time1 == [hf, 125000000]
assert table.outa1 == [1, 0] # Live
assert table.outb1 == [0, 1] # Dead
assert table.outc1 == table.outd1 == table.oute1 == table.outf1 == [
0, 0
]
assert table.time2 == [hf, 125000000]
assert (table.outa2 == table.outb2 == table.outc2 == table.outd2 ==
table.oute2 == table.outf2 == [0, 0])
# Check we didn't press the gate part
self.gate_part.enable_set.assert_not_called()
def test_configure_single_point_multi_frames(self):
# This test uses PCAP to generate a static point test.
# The test moves the motors to a new position and then generates
# 5 triggers at that position
xs = LineGenerator("x", "mm", 0.0, 0.0, 5, alternate=True)
ys = LineGenerator("y", "mm", 1.0, 1.0, 1)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
steps_to_do = 5
self.assertEqual(steps_to_do, generator.size)
completed_steps = 0
self.set_motor_attributes()
axes_to_move = ["x", "y"]
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
def test_configure_pcomp_row_trigger_with_single_point_rows(self):
x_steps, y_steps = 1, 5
xs = LineGenerator("x", "mm", 0.0, 0.5, x_steps, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 4, y_steps)
generator = CompoundGenerator([ys, xs], [], [], 1.0)
generator.prepare()
completed_steps = 0
steps_to_do = x_steps * y_steps
self.set_motor_attributes()
axes_to_move = ["x", "y"]
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
# Triggers
GT = Trigger.POSA_GT
LT = Trigger.POSA_LT
IT = Trigger.IMMEDIATE
# Half a frame
hf = 62500000
# Half blind
hb = 75000000
self.seq_parts[1].table_set.assert_called_once()
table = self.seq_parts[1].table_set.call_args[0][0]
assert table.repeats == [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
assert table.trigger == [LT, IT, GT, IT, LT, IT, GT, IT, LT, IT]
assert table.time1 == [hf, hb, hf, hb, hf, hb, hf, hb, hf, 125000000]
assert table.position == [0, 0, -500, 0, 0, 0, -500, 0, 0, 0]
assert table.outa1 == [1, 0, 1, 0, 1, 0, 1, 0, 1, 0] # Live
assert table.outb1 == [0, 1, 0, 1, 0, 1, 0, 1, 0, 1] # Dead
assert (table.outc1 == table.outd1 == table.oute1 == table.outf1 ==
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
assert table.time2 == [hf, hb, hf, hb, hf, hb, hf, hb, hf, 125000000]
assert (table.outa2 == table.outb2 == table.outc2 == table.outd2 ==
table.oute2 == table.outf2 == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
# Check we didn't press the gate part
self.gate_part.enable_set.assert_not_called()
self.o.on_run(self.context)
# Check we pressed the gate part
self.gate_part.enable_set.assert_called_once()
def test_configure_with_delay_after(self):
# a test to show that delay_after inserts a "loop_back" turnaround
delay = 1.0
x_steps, y_steps = 3, 2
xs = LineGenerator("x", "mm", 0.0, 0.5, x_steps, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 0.1, y_steps)
generator = CompoundGenerator([ys, xs], [], [], 1.0, delay_after=delay)
generator.prepare()
completed_steps = 0
steps_to_do = x_steps * y_steps
self.set_motor_attributes()
axes_to_move = ["x", "y"]
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
assert self.o.generator is generator
assert self.o.loaded_up_to == completed_steps
assert self.o.scan_up_to == completed_steps + steps_to_do
# Triggers
GT = Trigger.POSA_GT
IT = Trigger.IMMEDIATE
LT = Trigger.POSA_LT
# Half a frame
hf = 62500000
# Half how long to be blind for a single point
hfb = 55625000
# Half how long to be blind for end of row
hrb = 56500000
self.seq_parts[1].table_set.assert_called_once()
table = self.seq_parts[1].table_set.call_args[0][0]
assert table.repeats == [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
assert table.trigger == [
LT, IT, LT, IT, LT, IT, GT, IT, GT, IT, GT, IT
]
assert table.position == [
125, 0, -125, 0, -375, 0, -625, 0, -375, 0, -125, 0
]
assert table.time1 == [
hf,
hfb,
hf,
hfb,
hf,
hrb,
hf,
hfb,
hf,
hfb,
hf,
125000000,
]
assert table.outa1 == [1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0] # Live
assert table.outb1 == [0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1] # Dead
assert (table.outc1 == table.outd1 == table.oute1 == table.outf1 ==
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
assert table.time2 == [
hf,
hfb,
hf,
hfb,
hf,
hrb,
hf,
hfb,
hf,
hfb,
hf,
125000000,
]
assert (table.outa2 == table.outb2 == table.outc2 == table.outd2 ==
table.oute2 == table.outf2 ==
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
# Check we didn't press the gate part
self.gate_part.enable_set.assert_not_called()
self.o.on_run(self.context)
# Check we pressed the gate part
self.gate_part.enable_set.assert_called_once()
def test_configure_long_pcomp_row_trigger(self):
# Skip on GitHub Actions and GitLab CI
if "CI" in os.environ:
pytest.skip("performance test only")
self.set_motor_attributes(
0,
0,
"mm",
x_velocity=300,
y_velocity=300,
x_acceleration=30,
y_acceleration=30,
)
x_steps, y_steps = 4000, 1000
xs = LineGenerator("x", "mm", 0.0, 10, x_steps, alternate=True)
ys = LineGenerator("y", "mm", 0.0, 8, y_steps)
generator = CompoundGenerator([ys, xs], [], [], 0.005)
generator.prepare()
completed_steps = 0
steps_to_do = x_steps * y_steps
self.set_motor_attributes()
axes_to_move = ["x", "y"]
start = datetime.now()
self.o.on_configure(self.context, completed_steps, steps_to_do, {},
generator, axes_to_move)
elapsed = datetime.now() - start
assert elapsed.total_seconds() < 3.0
class TestManagerController(unittest.TestCase):
maxDiff = None
def setUp(self):
self.p = Process("process1")
# create a child to client
self.c_child = StatefulController("childBlock")
self.c_part = MyPart("cp1")
self.c_child.add_part(self.c_part)
self.p.add_controller(self.c_child)
# Create temporary config directory for ProcessController
self.config_dir = tmp_dir("config_dir")
self.main_block_name = "mainBlock"
self.c = ManagerController("mainBlock",
config_dir=self.config_dir.value)
self.c.add_part(MyPart("part1"))
self.c.add_part(
ChildPart("part2", mri="childBlock", initial_visibility=True))
self.p.add_controller(self.c)
self.b = self.p.block_view("mainBlock")
# check that do_initial_reset works asynchronously
assert self.c.state.value == "Disabled"
self.p.start()
assert self.c.state.value == "Ready"
def tearDown(self):
self.p.stop(timeout=1)
shutil.rmtree(self.config_dir.value)
def test_init(self):
assert self.c.layout.value.name == ["part2"]
assert self.c.layout.value.mri == ["childBlock"]
assert self.c.layout.value.x == [0.0]
assert self.c.layout.value.y == [0.0]
assert self.c.layout.value.visible == [True]
assert self.c.layout.meta.elements["name"].writeable is False
assert self.c.layout.meta.elements["mri"].writeable is False
assert self.c.layout.meta.elements["x"].writeable is True
assert self.c.layout.meta.elements["y"].writeable is True
assert self.c.layout.meta.elements["visible"].writeable is True
assert self.c.design.value == ""
assert self.c.exports.value.source == []
assert self.c.exports.meta.elements["source"].choices == [
"part2.health",
"part2.state",
"part2.disable",
"part2.reset",
"part2.attr",
]
assert self.c.exports.value.export == []
assert self.c.modified.value is False
assert self.c.modified.alarm.message == ""
assert self.b.mri.value == "mainBlock"
assert self.b.mri.meta.tags == ["sourcePort:block:mainBlock"]
def _get_design_filename(self, block_name, design_name):
return f"{self.config_dir.value}/{block_name}/{design_name}.json"
def check_expected_save(self,
design_name,
x=0.0,
y=0.0,
visible="true",
attr="defaultv"):
expected = [
x.strip() for x in ("""{
"attributes": {
"layout": {
"part2": {
"x": %s,
"y": %s,
"visible": %s
}
},
"exports": {},
"attr": "defaultv"
},
"children": {
"part2": {
"attr": "%s"
}
}
}""" % (x, y, visible, attr)).splitlines()
]
with open(self._get_design_filename(self.main_block_name,
design_name)) as f:
actual = [x.strip() for x in f.readlines()]
assert actual == expected
def test_save(self):
self.c._run_git_cmd = MagicMock()
assert self.c.design.value == ""
assert self.c.design.meta.choices == [""]
c = Context(self.p)
li = []
c.subscribe(["mainBlock", "design", "meta"], li.append)
# Wait for long enough for the other process to get a look in
c.sleep(0.1)
assert len(li) == 1
assert li.pop()["choices"] == [""]
b = c.block_view("mainBlock")
design_name = "testSaveLayout"
b.save(designName=design_name)
assert len(li) == 3
assert li[0]["writeable"] is False
assert li[1]["choices"] == ["", design_name]
assert li[2]["writeable"] is True
assert self.c.design.meta.choices == ["", design_name]
self.check_expected_save(design_name)
assert self.c.state.value == "Ready"
assert self.c.design.value == design_name
assert self.c.modified.value is False
os.remove(self._get_design_filename(self.main_block_name, design_name))
self.c_part.attr.set_value("newv")
assert self.c.modified.value is True
assert (self.c.modified.alarm.message ==
"part2.attr.value = 'newv' not 'defaultv'")
self.c.save(designName="")
self.check_expected_save(design_name, attr="newv")
design_filename = self._get_design_filename(self.main_block_name,
design_name)
assert self.c.design.value == "testSaveLayout"
assert self.c._run_git_cmd.call_args_list == [
call("add", design_filename),
call(
"commit",
"--allow-empty",
"-m",
"Saved mainBlock testSaveLayout",
design_filename,
),
call("add", design_filename),
call(
"commit",
"--allow-empty",
"-m",
"Saved mainBlock testSaveLayout",
design_filename,
),
]
def move_child_block(self):
new_layout = dict(name=["part2"],
mri=["anything"],
x=[10],
y=[20],
visible=[True])
self.b.layout.put_value(new_layout)
def test_move_child_block_dict(self):
assert self.b.layout.value.x == [0]
self.move_child_block()
assert self.b.layout.value.x == [10]
def test_set_and_load_layout(self):
new_layout = LayoutTable(name=["part2"],
mri=["anything"],
x=[10],
y=[20],
visible=[False])
self.c.set_layout(new_layout)
assert self.c.parts["part2"].x == 10
assert self.c.parts["part2"].y == 20
assert self.c.parts["part2"].visible is False
assert self.c.modified.value is True
assert self.c.modified.alarm.message == "layout changed"
# save the layout, modify and restore it
design_name = "testSaveLayout"
self.b.save(designName=design_name)
assert self.c.modified.value is False
self.check_expected_save(design_name, 10.0, 20.0, "false")
self.c.parts["part2"].x = 30
self.c.set_design(design_name)
assert self.c.parts["part2"].x == 10
def test_set_export_parts(self):
context = Context(self.p)
b = context.block_view("mainBlock")
assert list(b) == [
"meta",
"health",
"state",
"disable",
"reset",
"mri",
"layout",
"design",
"exports",
"modified",
"save",
"attr",
]
assert b.attr.meta.tags == ["widget:textinput"]
new_exports = ExportTable.from_rows([("part2.attr", "childAttr"),
("part2.reset", "childReset")])
self.c.set_exports(new_exports)
assert self.c.modified.value is True
assert self.c.modified.alarm.message == "exports changed"
self.c.save(designName="testSaveLayout")
assert self.c.modified.value is False
# block has changed, get a new view
b = context.block_view("mainBlock")
assert list(b) == [
"meta",
"health",
"state",
"disable",
"reset",
"mri",
"layout",
"design",
"exports",
"modified",
"save",
"attr",
"childAttr",
"childReset",
]
assert self.c.state.value == "Ready"
assert b.childAttr.value == "defaultv"
assert self.c.modified.value is False
m = MagicMock()
b.childAttr.subscribe_value(m)
# allow a subscription to come through
context.sleep(0.1)
m.assert_called_once_with("defaultv")
m.reset_mock()
self.c_part.attr.set_value("newv")
assert b.childAttr.value == "newv"
assert self.c_part.attr.value == "newv"
assert self.c.modified.value is True
assert (self.c.modified.alarm.message ==
"part2.attr.value = 'newv' not 'defaultv'")
# allow a subscription to come through
context.sleep(0.1)
m.assert_called_once_with("newv")
b.childAttr.put_value("again")
assert b.childAttr.value == "again"
assert self.c_part.attr.value == "again"
assert self.c.modified.value is True
assert (self.c.modified.alarm.message ==
"part2.attr.value = 'again' not 'defaultv'")
# remove the field
new_exports = ExportTable([], [])
self.c.set_exports(new_exports)
assert self.c.modified.value is True
self.c.save()
assert self.c.modified.value is False
# block has changed, get a new view
b = context.block_view("mainBlock")
assert "childAttr" not in b