class TaborMemoryReadTests(TaborSimulatorBasedTest):
def setUp(self):
super().setUp()
ramp_up = np.linspace(0, 2**14-1, num=192, dtype=np.uint16)
ramp_down = ramp_up[::-1]
zero = np.ones(192, dtype=np.uint16) * 2**13
sine = ((np.sin(np.linspace(0, 2*np.pi, 192+64)) + 1) / 2 * (2**14 - 1)).astype(np.uint16)
self.segments = [TaborSegment.from_sampled(ramp_up, ramp_up, None, None),
TaborSegment.from_sampled(ramp_down, zero, None, None),
TaborSegment.from_sampled(sine, sine, None, None)]
self.zero_segment = TaborSegment.from_sampled(zero, zero, None, None)
# program 1
self.sequence_tables_raw = [[(10, 0, 0), (10, 1, 0), (10, 0, 0), (10, 1, 0)],
[(1, 0, 0), (1, 1, 0), (1, 0, 0), (1, 1, 0)]]
self.advanced_sequence_table = [(1, 1, 0), (1, 2, 0)]
self.sequence_tables = self.to_new_sequencer_tables(self.sequence_tables_raw)
self.advanced_sequence_table = self.to_new_advanced_sequencer_table(self.advanced_sequence_table)
self.channel_pair = TaborChannelPair(self.instrument, (1, 2), 'tabor_unit_test')
def arm_program(self, sequencer_tables, advanced_sequencer_table, mode, waveform_to_segment_index):
class DummyProgram:
@staticmethod
def get_sequencer_tables():
return sequencer_tables
@staticmethod
def get_advanced_sequencer_table():
return advanced_sequencer_table
@staticmethod
def update_volatile_parameters(parameters):
modifications = {1: TableEntry(repetition_count=5, element_number=2, jump_flag=0),
(0, 1): TableDescription(repetition_count=50, element_id=1, jump_flag=0)}
return modifications
markers = (None, None)
channels = (1, 2)
waveform_mode = mode
self.channel_pair._known_programs['dummy_program'] = (waveform_to_segment_index, DummyProgram)
self.channel_pair.change_armed_program('dummy_program')
def test_read_waveforms(self):
self.channel_pair._amend_segments(self.segments)
waveforms = self.channel_pair.read_waveforms()
segments = [TaborSegment.from_binary_segment(waveform)
for waveform in waveforms]
expected = [self.zero_segment, *self.segments]
for ex, r in zip(expected, segments):
ex1, ex2 = ex.data_a, ex.data_b
r1, r2 = r.data_a, r.data_b
np.testing.assert_equal(ex1, r1)
np.testing.assert_equal(ex2, r2)
self.assertEqual(expected, segments)
def test_read_sequence_tables(self):
self.channel_pair._amend_segments(self.segments)
self.arm_program(self.sequence_tables, self.advanced_sequence_table, None, np.asarray([1, 2]))
sequence_tables = self.channel_pair.read_sequence_tables()
actual_sequence_tables = [self.channel_pair._idle_sequence_table] + [[(rep, index+2, jump)
for rep, index, jump in table]
for table in self.sequence_tables_raw]
expected = list(tuple(np.asarray(d)
for d in zip(*table))
for table in actual_sequence_tables)
np.testing.assert_equal(sequence_tables, expected)
def test_read_advanced_sequencer_table(self):
self.channel_pair._amend_segments(self.segments)
self.arm_program(self.sequence_tables, self.advanced_sequence_table, None, np.asarray([1, 2]))
actual_advanced_table = [(1, 1, 1)] + [(rep, idx+1, jmp) for rep, idx, jmp in self.advanced_sequence_table]
expected = list(np.asarray(d)
for d in zip(*actual_advanced_table))
advanced_table = self.channel_pair.read_advanced_sequencer_table()
np.testing.assert_equal(advanced_table, expected)
def test_set_volatile_parameter(self):
self.channel_pair._amend_segments(self.segments)
self.arm_program(self.sequence_tables, self.advanced_sequence_table, None, np.asarray([1, 2]))
para = {'a': 5}
actual_sequence_tables = [self.channel_pair._idle_sequence_table] + [[(rep, index + 2, jump)
for rep, index, jump in table]
for table in self.sequence_tables_raw]
actual_advanced_table = [(1, 1, 1)] + [(rep, idx + 1, jmp) for rep, idx, jmp in self.advanced_sequence_table]
self.channel_pair.set_volatile_parameters('dummy_program', parameters=para)
actual_sequence_tables[1][1] = (50, 3, 0)
actual_advanced_table[2] = (5, 3, 0)
sequence_table = self.channel_pair.read_sequence_tables()
expected = list(tuple(np.asarray(d)
for d in zip(*table))
for table in actual_sequence_tables)
np.testing.assert_equal(sequence_table, expected)
advanced_table = self.channel_pair.read_advanced_sequencer_table()
expected = list(np.asarray(d)
for d in zip(*actual_advanced_table))
np.testing.assert_equal(advanced_table, expected)
def test_set_volatile_parameters(self):
channel_pair = TaborChannelPair(self.instrument,
identifier='asd',
channels=(1, 2))
parameters = {'var': 2}
modifications = {
1:
TableEntry(repetition_count=5, element_number=1, jump_flag=0),
(0, 1):
TableDescription(repetition_count=10, element_id=0, jump_flag=0)
}
invalid_modification = {
1: TableEntry(repetition_count=0, element_number=1, jump_flag=0)
}
no_modifications = {}
program_mock = mock.Mock(TaborProgram)
program_memory = TaborProgramMemory(waveform_to_segment=np.array(
[1, 4]),
program=program_mock)
expected_commands = {
':ASEQ:DEF 2,2,5,0', ':SEQ:SEL 2', ':SEQ:DEF 1,2,10,0'
}
channel_pair._known_programs['active_program'] = program_memory
channel_pair._known_programs['other_program'] = program_memory
channel_pair._current_program = 'active_program'
with mock.patch.object(program_mock,
'update_volatile_parameters',
return_value=modifications) as update_prog:
with mock.patch.object(
channel_pair,
'_execute_multiple_commands_with_config_guard') as ex_com:
#with mock.patch.object(channel_pair.device.main_instrument, 'send_query'):
channel_pair.set_volatile_parameters('other_program',
parameters)
ex_com.assert_not_called()
update_prog.assert_called_once_with(parameters)
channel_pair.set_volatile_parameters('active_program',
parameters)
self.assertEqual(1, ex_com.call_count)
actual_commands, = ex_com.call_args[0]
self.assertEqual(expected_commands, set(actual_commands))
self.assertEqual(len(expected_commands), len(actual_commands))
assert update_prog.call_count == 2
update_prog.assert_called_with(parameters)
with mock.patch.object(program_mock,
'update_volatile_parameters',
return_value=no_modifications) as update_prog:
with mock.patch.object(
channel_pair,
'_execute_multiple_commands_with_config_guard') as ex_com:
channel_pair.set_volatile_parameters('active_program',
parameters)
ex_com.assert_not_called()
update_prog.assert_called_once_with(parameters)
with mock.patch.object(
program_mock,
'update_volatile_parameters',
return_value=invalid_modification) as update_prog:
with mock.patch.object(
channel_pair,
'_execute_multiple_commands_with_config_guard') as ex_com:
with self.assertRaises(ValueError):
channel_pair.set_volatile_parameters(
'active_program', parameters)
ex_com.assert_not_called()
update_prog.assert_called_once_with(parameters)
