def test_save_tip_length_calibration_data(monkeypatch, clear_tlc_calibration):
assert not os.path.exists(tlc_path(PIPETTE_ID))
test_data = {MOCK_HASH: {'tipLength': 22.0, 'lastModified': 1}}
modify.save_tip_length_calibration(PIPETTE_ID, test_data)
assert os.path.exists(tlc_path(PIPETTE_ID))
# test an index file is also created
assert os.path.exists(tlc_path('index'))
def test_load_tip_length_calibration_data(monkeypatch, clear_tlc_calibration):
assert not os.path.exists(tlc_path(PIPETTE_ID))
monkeypatch.setattr(helpers, 'hash_labware_def', mock_hash_labware)
tip_length = 22.0
parent = ''
test_data = modify.create_tip_length_data(minimalLabwareDef, parent,
tip_length)
modify.save_tip_length_calibration(PIPETTE_ID, test_data)
result = get.load_tip_length_calibration(PIPETTE_ID, minimalLabwareDef,
parent)
assert result == test_data[MOCK_HASH]
def test_load_tip_length_calibration_v1(robot):
lw = containers_load(robot, 'opentrons_96_tiprack_10ul', '1')
hash = lw.properties['labware_hash']
tip_length_data = {'tipLength': 19.99, 'lastModified': utc_now()}
tip_length_cal = {hash: tip_length_data}
pip_id = 'fake_id'
modify.save_tip_length_calibration(pip_id=pip_id,
tip_length_cal=tip_length_cal)
result = load_tip_length_calibration(pip_id, lw.wells('A1'))
assert result == tip_length_data
delete.clear_tip_length_calibration() # clean up
async def save_offset(self):
cur_pt = await self._get_current_point()
if self._current_state == State.measuringNozzleOffset:
self._nozzle_height_at_reference = cur_pt.z
elif self._current_state == State.measuringTipOffset:
assert self._hw_pipette.has_tip
tip_length_offset = cur_pt.z - self._nozzle_height_at_reference
# TODO: 07-22-2020 parent slot is not important when tracking
# tip length data, hence the empty string, we should remove it
# from create_tip_length_data in a refactor
tip_length_data = modify.create_tip_length_data(
self._deck[TIP_RACK_SLOT]._definition, '',
tip_length_offset)
modify.save_tip_length_calibration(self._hw_pipette.pipette_id,
tip_length_data)
async def save_offset(self):
if self._current_state == State.measuringNozzleOffset:
# critical point would default to nozzle for z height
cur_pt = await self._get_current_point(
critical_point=None)
self._nozzle_height_at_reference = cur_pt.z
elif self._current_state == State.measuringTipOffset:
assert self._hw_pipette.has_tip
assert self._nozzle_height_at_reference is not None
# set critical point explicitly to nozzle
cur_pt = await self._get_current_point(
critical_point=CriticalPoint.NOZZLE)
tip_length_offset = cur_pt.z - self._nozzle_height_at_reference
# TODO: 07-22-2020 parent slot is not important when tracking
# tip length data, hence the empty string, we should remove it
# from create_tip_length_data in a refactor
tip_length_data = modify.create_tip_length_data(
self._tip_rack._definition, '',
tip_length_offset)
modify.save_tip_length_calibration(self._hw_pipette.pipette_id,
tip_length_data)