def test_tiprack_list():
labware_name = 'opentrons_96_tiprack_300ul'
labware_def = labware.get_labware_definition(labware_name)
tiprack = labware.Labware(labware_def,
Location(Point(0, 0, 0), 'Test Slot'))
tiprack_2 = labware.Labware(labware_def,
Location(Point(0, 0, 0), 'Test Slot'))
assert labware.select_tiprack_from_list(
[tiprack], 1) == (tiprack, tiprack['A1'])
assert labware.select_tiprack_from_list(
[tiprack], 1, tiprack.wells()[1]) == (tiprack, tiprack['B1'])
tiprack['C1'].has_tip = False
assert labware.select_tiprack_from_list(
[tiprack], 1, tiprack.wells()[2]) == (tiprack, tiprack['D1'])
tiprack['H12'].has_tip = False
tiprack_2['A1'].has_tip = False
assert labware.select_tiprack_from_list(
[tiprack, tiprack_2], 1, tiprack.wells()[95]) == (
tiprack_2, tiprack_2['B1'])
with pytest.raises(labware.OutOfTipsError):
labware.select_tiprack_from_list(
[tiprack], 1, tiprack.wells()[95])
def test_select_next_tip():
labware_name = 'opentrons_96_tiprack_300ul'
labware_def = labware.get_labware_definition(labware_name)
tiprack = labware.Labware(labware_def,
Location(Point(0, 0, 0), 'Test Slot'))
well_list = tiprack.wells()
next_one = tiprack.next_tip()
assert next_one == well_list[0]
next_five = tiprack.next_tip(5)
assert next_five == well_list[0]
next_eight = tiprack.next_tip(8)
assert next_eight == well_list[0]
next_nine = tiprack.next_tip(9)
assert next_nine is None
# A1 tip only has been used
tiprack.use_tips(well_list[0])
next_one = tiprack.next_tip()
assert next_one == well_list[1]
next_five = tiprack.next_tip(5)
assert next_five == well_list[1]
next_eight = tiprack.next_tip(8)
assert next_eight == well_list[8]
# 2nd column has also been used
tiprack.use_tips(well_list[8], num_channels=8)
next_one = tiprack.next_tip()
assert next_one == well_list[1]
next_five = tiprack.next_tip(5)
assert next_five == well_list[1]
next_eight = tiprack.next_tip(8)
assert next_eight == well_list[16]
# Bottom 4 tips of 1rd column are also used
tiprack.use_tips(well_list[4], num_channels=4)
next_one = tiprack.next_tip()
assert next_one == well_list[1]
next_three = tiprack.next_tip(3)
assert next_three == well_list[1]
next_five = tiprack.next_tip(5)
assert next_five == well_list[16]
next_eight = tiprack.next_tip(8)
assert next_eight == well_list[16]
# you can reuse tips infinitely on api level 2.2
tiprack.use_tips(well_list[0])
tiprack.use_tips(well_list[0])
# you can't on api level 2.1 or previous
early_tr = labware.Labware(labware_def,
Location(Point(0, 0, 0), 'Test Slot'),
api_level=APIVersion(2, 1))
early_tr.use_tips(well_list[0])
with pytest.raises(AssertionError):
early_tr.use_tips(well_list[0])
def test_tip_tracking_init():
labware_name = 'opentrons_96_tiprack_300ul'
labware_def = labware.get_labware_definition(labware_name)
tiprack = labware.Labware(labware_def,
Location(Point(0, 0, 0), 'Test Slot'))
assert tiprack.is_tiprack
for well in tiprack.wells():
assert well.has_tip
labware_name = 'corning_96_wellplate_360ul_flat'
labware_def = labware.get_labware_definition(labware_name)
lw = labware.Labware(labware_def, Location(Point(0, 0, 0), 'Test Slot'))
assert not lw.is_tiprack
for well in lw.wells():
assert not well.has_tip
def test_get_parent_identifier():
labware_name = 'corning_96_wellplate_360ul_flat'
labware_def = labware.get_labware_definition(labware_name)
lw = labware.Labware(labware_def, Location(Point(0, 0, 0), 'Test Slot'))
# slots have no parent identifier
assert labware._get_parent_identifier(lw) == ''
# modules do
mmg = ModuleGeometry('my magdeck',
MagneticModuleModel.MAGNETIC_V1,
ModuleType.MAGNETIC,
Point(0, 0, 0), 10, 10, Location(Point(1, 2, 3), '3'),
APIVersion(2, 4))
lw = labware.Labware(labware_def, mmg.location)
assert labware._get_parent_identifier(lw)\
== MagneticModuleModel.MAGNETIC_V1.value
def test_load_calibration(monkeypatch, clear_calibration):
calibration_point = None
def mock_set_calibration(self, delta):
nonlocal calibration_point
calibration_point = delta
monkeypatch.setattr(labware.Labware, 'set_calibration',
mock_set_calibration)
monkeypatch.setattr(labware, '_hash_labware_def', mock_hash_labware)
test_labware = labware.Labware(minimalLabwareDef,
Location(Point(0, 0, 0), 'deck'))
test_offset = Point(1, 1, 1)
test_tip_length = 31.7
labware.save_calibration(test_labware, test_offset)
labware.save_tip_length(test_labware, test_tip_length)
# Set without saving to show that load will update with previously saved
# data
test_labware.set_calibration(Point(0, 0, 0))
test_labware.tip_length = 46.8
labware.load_calibration(test_labware)
assert calibration_point == test_offset
assert test_labware.tip_length == test_tip_length
async def _load_tip_rack_objects(self):
"""
A function that takes tip rack information
and loads them onto the deck.
"""
second_pip = self._get_pipette_by_rank(PipetteRank.second)
for name, lw_data in self._labware_info.items():
parent = self._deck.position_for(lw_data.slot)
lw = labware.Labware(lw_data.definition, parent)
self._deck[lw_data.slot] = lw
for mount in lw_data.forMounts:
is_second_mount = second_pip and second_pip.mount == mount
pips_share_rack = len(lw_data.forMounts) == 2
well_name = 'A1'
if is_second_mount and pips_share_rack:
well_name = 'B1'
well = lw.wells_by_name()[well_name]
position = well.top().point + MOVE_TO_TIP_RACK_SAFETY_BUFFER
move = CheckMove(position=position, locationId=uuid4())
if is_second_mount:
self._moves.preparingSecondPipette = move
else:
self._moves.preparingFirstPipette = move
def test_add_index_file(labware_name, index_file_dir):
deck = Deck()
parent = deck.position_for(1)
definition = labware.get_labware_definition(labware_name)
lw = labware.Labware(definition, parent)
labware_hash = labware._hash_labware_def(lw._definition)
labware._add_to_index_offset_file(lw, labware_hash)
lw_uri = labware.uri_from_definition(definition)
str_parent = labware._get_parent_identifier(lw.parent)
slot = '1'
if str_parent:
mod_dict = {str_parent: f'{slot}-{str_parent}'}
else:
mod_dict = {}
blob = {
"id": f'{labware_hash}',
"slot": f'{labware_hash}{str_parent}',
"module": mod_dict
}
lw_path = index_file_dir / 'index.json'
info = labware._read_file(lw_path)
assert info[lw_uri] == blob
def test_air_gap():
m = mock.MagicMock()
m.pipette_mock = mock.create_autospec(InstrumentContext)
m.mock_set_flow_rate = mock.MagicMock()
deck = Location(Point(0, 0, 0), 'deck')
well_name = 'A2'
some_labware = labware.Labware(minimalLabwareDef2, deck)
loaded_labware = {'someLabwareId': some_labware}
params = {'labware': 'someLabwareId', 'well': well_name}
params = {'pipette': 'somePipetteId', 'volume': 42,
'labware': 'someLabwareId', 'well': well_name,
'offsetFromBottomMm': 12}
instruments = {'somePipetteId': m.pipette_mock}
loaded_labware = {'someLabwareId': some_labware}
with mock.patch(
'opentrons.protocols.execution.execute_json_v3._set_flow_rate',
new=m.mock_set_flow_rate):
_air_gap(instruments, loaded_labware, params)
# NOTE: air_gap `height` arg is mm from well top,
# so we expect it to equal offsetFromBottomMm - well depth.
assert m.mock_calls == [
mock.call.mock_set_flow_rate(m.pipette_mock, params),
mock.call.pipette_mock.move_to(
Location(point=Point(x=19, y=28, z=17.0),
labware=some_labware[well_name])),
mock.call.pipette_mock.air_gap(42, 12 - 40)
]
def test_labware_init():
deck = Location(Point(0, 0, 0), 'deck')
fake_labware = labware.Labware(minimalLabwareDef, deck)
ordering = [well for col in minimalLabwareDef['ordering'] for well in col]
assert fake_labware._ordering == ordering
assert fake_labware._well_definition == minimalLabwareDef['wells']
assert fake_labware._offset == Point(x=10, y=10, z=5)
def test_add_index_file(labware_name, labware_offset_tempdir):
deck = Deck()
parent = deck.position_for(1)
definition = labware.get_labware_definition(labware_name)
lw = labware.Labware(definition, parent)
labware_hash = helpers.hash_labware_def(definition)
labware.save_calibration(lw, Point(0, 0, 0))
lw_uri = helpers.uri_from_definition(definition)
str_parent = labware._get_parent_identifier(lw)
slot = '1'
if str_parent:
mod_dict = {str_parent: f'{slot}-{str_parent}'}
else:
mod_dict = {}
full_id = f'{labware_hash}{str_parent}'
blob = {
"uri": f'{lw_uri}',
"slot": full_id,
"module": mod_dict
}
lw_path = labware_offset_tempdir / 'index.json'
info = file_operators.read_cal_file(lw_path)
assert info['data'][full_id] == blob
def test_get_location_with_offset():
deck = Location(Point(0, 0, 0), 'deck')
some_labware = labware.Labware(minimalLabwareDef2, deck)
loaded_labware = {'someLabwareId': some_labware}
params = {'offsetFromBottomMm': 3,
'labware': 'someLabwareId', 'well': 'A2'}
result = _get_location_with_offset(loaded_labware, params)
assert result == Location(Point(19, 28, 8), some_labware['A2'])
def test_get_well():
deck = Location(Point(0, 0, 0), 'deck')
well_name = 'A2'
some_labware = labware.Labware(minimalLabwareDef2, deck)
loaded_labware = {'someLabwareId': some_labware}
params = {'labware': 'someLabwareId', 'well': well_name}
result = _get_well(loaded_labware, params)
assert result == some_labware[well_name]
def test_uris():
details = ('opentrons', 'opentrons_96_tiprack_300ul', '1')
uri = 'opentrons/opentrons_96_tiprack_300ul/1'
assert labware.uri_from_details(*details) == uri
defn = labware.get_labware_definition(details[1], details[0], details[2])
assert labware.uri_from_definition(defn) == uri
lw = labware.Labware(defn, Location(Point(0, 0, 0), 'Test Slot'))
assert lw.uri == uri
def test_wells_rebuilt_with_offset():
test_labware = labware.Labware(minimalLabwareDef,
Location(Point(0, 0, 0), 'deck'))
old_wells = test_labware._wells
assert test_labware._offset == Point(10, 10, 5)
assert test_labware._calibrated_offset == Point(10, 10, 5)
labware.save_calibration(test_labware, Point(2, 2, 2))
new_wells = test_labware._wells
assert old_wells[0] != new_wells[0]
assert test_labware._offset == Point(10, 10, 5)
assert test_labware._calibrated_offset == Point(12, 12, 7)
def test_col_name_accessor():
deck = Location(Point(0, 0, 0), 'deck')
fake_labware = labware.Labware(minimalLabwareDef, deck)
depth1 = minimalLabwareDef['wells']['A1']['depth']
depth2 = minimalLabwareDef['wells']['A2']['depth']
x = minimalLabwareDef['wells']['A2']['x']
y = minimalLabwareDef['wells']['A2']['y']
offset = fake_labware._offset
a1 = Point(x=offset[0], y=offset[1], z=offset[2] + depth1)
a2 = Point(x=offset[0] + x, y=offset[1] + y, z=offset[2] + depth2)
assert fake_labware.columns_by_name()['1'][0]._position == a1
assert fake_labware.columns_by_name()['2'][0]._position == a2
def test_save_tip_length(monkeypatch, clear_calibration):
assert not os.path.exists(path(MOCK_HASH))
monkeypatch.setattr(labware, '_hash_labware_def', mock_hash_labware)
test_labware = labware.Labware(minimalLabwareDef,
Location(Point(0, 0, 0), 'deck'))
calibrated_length = 22.0
labware.save_tip_length(test_labware, calibrated_length)
assert os.path.exists(path(MOCK_HASH))
with open(path(MOCK_HASH)) as calibration_file:
data = json.load(calibration_file)
assert data['tipLength']['length'] == calibrated_length
def set_up_index_file_temporary_directory(server_temp_directory):
delete.clear_calibrations()
deck = Deck()
labware_list = [
'nest_96_wellplate_2ml_deep', 'corning_384_wellplate_112ul_flat',
'geb_96_tiprack_1000ul', 'nest_12_reservoir_15ml',
'opentrons_96_tiprack_10ul'
]
for idx, name in enumerate(labware_list):
parent = deck.position_for(idx + 1)
definition = labware.get_labware_definition(name)
lw = labware.Labware(definition, parent)
labware.save_calibration(lw, Point(0, 0, 0))
def test_get_location_with_offset_fixed_trash():
deck = Location(Point(0, 0, 0), 'deck')
trash_labware_def = deepcopy(minimalLabwareDef2)
trash_labware_def['parameters']['quirks'] = ["fixedTrash"]
trash_labware = labware.Labware(trash_labware_def, deck)
loaded_labware = {'someLabwareId': trash_labware}
params = {'offsetFromBottomMm': 3,
'labware': 'someLabwareId', 'well': 'A1'}
result = _get_location_with_offset(loaded_labware, params)
assert result == Location(Point(10, 28, 45), trash_labware['A1'])
def test_load_tip_length_calibration_data(monkeypatch, clear_tlc_calibration):
assert not os.path.exists(tlc_path(PIPETTE_ID))
monkeypatch.setattr(labware, '_hash_labware_def', mock_hash_labware)
test_labware = labware.Labware(minimalLabwareDef,
Location(Point(0, 0, 0), 'deck'))
tip_length = 22.0
test_data = labware.create_tip_length_data(test_labware, tip_length)
labware.save_tip_length_calibration(PIPETTE_ID, test_data)
result = labware.load_tip_length_calibration(PIPETTE_ID, test_labware)
assert result == test_data[MOCK_HASH]
def set_up_index_file(labware_offset_tempdir):
deck = Deck()
labware_list = [
'nest_96_wellplate_2ml_deep',
'corning_384_wellplate_112ul_flat',
'geb_96_tiprack_1000ul',
'nest_12_reservoir_15ml']
for idx, name in enumerate(labware_list):
parent = deck.position_for(idx+1)
definition = labware.get_labware_definition(name)
lw = labware.Labware(definition, parent)
labware.save_calibration(lw, Point(0, 0, 0))
return labware_list
def test_row_name_accessor():
deck = Location(Point(0, 0, 0), 'deck')
fake_labware = labware.Labware(minimalLabwareDef2, deck)
depth1 = minimalLabwareDef2['wells']['A1']['depth']
x1 = minimalLabwareDef2['wells']['A1']['x']
y1 = minimalLabwareDef2['wells']['A1']['y']
depth2 = minimalLabwareDef2['wells']['B2']['depth']
x2 = minimalLabwareDef2['wells']['B2']['x']
y2 = minimalLabwareDef2['wells']['B2']['y']
offset = fake_labware._offset
a1 = Point(x=offset[0] + x1, y=offset[1] + y1, z=offset[2] + depth1)
b2 = Point(x=offset[0] + x2, y=offset[1] + y2, z=offset[2] + depth2)
assert fake_labware.rows_by_name()['A'][0]._position == a1
assert fake_labware.rows_by_name()['B'][1]._position == b2
def test_well_parent():
labware_name = 'corning_96_wellplate_360ul_flat'
labware_def = labware.get_labware_definition(labware_name)
lw = labware.Labware(labware_def, Location(Point(0, 0, 0), 'Test Slot'))
parent = Location(Point(7, 8, 9), lw)
well_name = 'circular_well_json'
has_tip = True
well = labware.Well(test_data[well_name], parent, well_name, has_tip)
assert well.parent is lw
assert well.top().labware is well
assert well.top().labware.parent is lw
assert well.bottom().labware is well
assert well.bottom().labware.parent is lw
assert well.center().labware is well
assert well.center().labware.parent is lw
def test_schema_shape(monkeypatch, clear_calibration):
def fake_time():
return 1
monkeypatch.setattr(time, 'time', fake_time)
test_labware = labware.Labware(minimalLabwareDef,
Location(Point(0, 0, 0), 'deck'))
monkeypatch.setattr(labware, '_hash_labware_def', mock_hash_labware)
labware.save_calibration(test_labware, Point(1, 1, 1))
expected = {"default": {"offset": [1, 1, 1], "lastModified": 1}}
with open(path(MOCK_HASH)) as f:
result = json.load(f)
assert result == expected
def test_select_next_tip():
labware_name = 'opentrons_96_tiprack_300ul'
labware_def = labware.get_labware_definition(labware_name)
tiprack = labware.Labware(labware_def,
Location(Point(0, 0, 0), 'Test Slot'))
well_list = tiprack.wells()
next_one = tiprack.next_tip()
assert next_one == well_list[0]
next_five = tiprack.next_tip(5)
assert next_five == well_list[0]
next_eight = tiprack.next_tip(8)
assert next_eight == well_list[0]
next_nine = tiprack.next_tip(9)
assert next_nine is None
# A1 tip only has been used
tiprack.use_tips(well_list[0])
next_one = tiprack.next_tip()
assert next_one == well_list[1]
next_five = tiprack.next_tip(5)
assert next_five == well_list[1]
next_eight = tiprack.next_tip(8)
assert next_eight == well_list[8]
# 2nd column has also been used
tiprack.use_tips(well_list[8], num_channels=8)
next_one = tiprack.next_tip()
assert next_one == well_list[1]
next_five = tiprack.next_tip(5)
assert next_five == well_list[1]
next_eight = tiprack.next_tip(8)
assert next_eight == well_list[16]
# Bottom 4 tips of 1rd column are also used
tiprack.use_tips(well_list[4], num_channels=4)
next_one = tiprack.next_tip()
assert next_one == well_list[1]
next_three = tiprack.next_tip(3)
assert next_three == well_list[1]
next_five = tiprack.next_tip(5)
assert next_five == well_list[16]
next_eight = tiprack.next_tip(8)
assert next_eight == well_list[16]
def test_previous_tip():
labware_name = 'opentrons_96_tiprack_300ul'
labware_def = labware.get_labware_definition(labware_name)
tiprack = labware.Labware(labware_def,
Location(Point(0, 0, 0), 'Test Slot'))
# If all wells are used, we can't get a previous tip
assert tiprack.previous_tip() is None
# If one well is empty, wherever it is, we can get a slot
tiprack.wells()[5].has_tip = False
assert tiprack.previous_tip() is tiprack.wells()[5]
# But not if we ask for more slots than are available
assert tiprack.previous_tip(2) is None
tiprack.wells()[7].has_tip = False
# And those available wells have to be contiguous
assert tiprack.previous_tip(2) is None
# But if they are, we're good
tiprack.wells()[6].has_tip = False
assert tiprack.previous_tip(3) is tiprack.wells()[5]
def test_back_compat():
labware_name = 'corning_96_wellplate_360ul_flat'
labware_def = labware.get_labware_definition(labware_name)
lw = labware.Labware(labware_def, Location(Point(0, 0, 0), 'Test Slot'))
# Note that this test uses the display name of wells to test for equality,
# because dimensional parameters could be subject to modification through
# calibration, whereas here we are testing for "identity" in a way that is
# related to the combination of well name, labware name, and slot name
well_a1_name = repr(lw.wells_by_name()['A1'])
well_b2_name = repr(lw.wells_by_name()['B2'])
well_c3_name = repr(lw.wells_by_name()['C3'])
w2 = lw.well(0)
assert repr(w2) == well_a1_name
w3 = lw.well('A1')
assert repr(w3) == well_a1_name
w4 = lw.wells('B2')
assert repr(w4[0]) == well_b2_name
w5 = lw.wells(9, 21, 25, 27)
assert len(w5) == 4
assert repr(w5[0]) == well_b2_name
w6 = lw.wells('A1', 'B2', 'C3')
assert all([
repr(well[0]) == well[1]
for well in zip(w6, [well_a1_name, well_b2_name, well_c3_name])
])
w7 = lw.rows('A')
assert len(w7) == 1
assert repr(w7[0][0]) == well_a1_name
w8 = lw.rows('A', 'C')
assert len(w8) == 2
assert repr(w8[0][0]) == well_a1_name
assert repr(w8[1][2]) == well_c3_name
w11 = lw.columns('2', '3', '6')
assert len(w11) == 3
assert repr(w11[1][2]) == well_c3_name
def test_load_calibration(monkeypatch, clear_calibration):
monkeypatch.setattr(helpers, 'hash_labware_def', mock_hash_labware)
test_labware = labware.Labware(minimalLabwareDef,
Location(Point(0, 0, 0), 'deck'))
test_offset = Point(1, 1, 1)
labware.save_calibration(test_labware, test_offset)
# Set without saving to show that load will update with previously saved
# data
test_labware.set_calibration(Point(0, 0, 0))
test_labware.tip_length = 46.8
lookup_path = labware._get_labware_path(test_labware)
calibration_point =\
get.get_labware_calibration(lookup_path, test_labware._definition)
assert calibration_point == test_offset
async def _load_labware_objects(self, **kwargs):
"""
A function that takes tiprack information and loads them onto the deck.
"""
full_dict = {}
for name, data in self._labware_info.items():
parent = self._deck.position_for(data.slot)
lw = labware.Labware(data.definition, parent)
self._deck[data.slot] = lw
build_dict = {}
for id in data.forPipettes:
mount = self._get_mount(id)
pip = self.get_pipette(mount)
well_name = 'H1' if pip['channels'] == 8 else 'A1'
well = lw.wells_by_name()[well_name]
build_dict[id] = PreparingPipetteMoveOffset(
offset=Point(0, 0, 10), well=well
)
full_dict[data.id] = build_dict
self._moves.preparingPipette = full_dict
def test_save_labware_calibration(monkeypatch, clear_calibration):
# Test the save calibration file
assert not os.path.exists(path(MOCK_HASH))
calibration_point = None
def mock_set_calibration(self, delta):
nonlocal calibration_point
calibration_point = delta
monkeypatch.setattr(labware.Labware, 'set_calibration',
mock_set_calibration)
monkeypatch.setattr(helpers, 'hash_labware_def', mock_hash_labware)
test_labware = labware.Labware(minimalLabwareDef,
Location(Point(0, 0, 0), 'deck'))
labware.save_calibration(test_labware, Point(1, 1, 1))
assert os.path.exists(path(MOCK_HASH))
assert calibration_point == Point(1, 1, 1)
def test_schema_shape(monkeypatch, clear_calibration):
fake_time = utc_now()
time_string = fake_time.isoformat()
from_iso = datetime.datetime.fromisoformat(time_string)
class fake_datetime:
@classmethod
def fromisoformat(cls, obj):
return from_iso
@classmethod
def isoformat(cls):
return time_string
mock = Mock(spec=fake_datetime)
mock.__class__ = datetime.datetime
test_labware = labware.Labware(minimalLabwareDef,
Location(Point(0, 0, 0), 'deck'))
monkeypatch.setattr(
helpers,
'hash_labware_def', mock_hash_labware
)
expected = {"default": {"offset": [1, 1, 1], "lastModified": fake_time}}
def fake_helper_data(path, delta):
return expected
monkeypatch.setattr(
modify,
'_helper_offset_data_format',
fake_helper_data
)
labware.save_calibration(test_labware, Point(1, 1, 1))
with open(path(MOCK_HASH)) as f:
result = json.load(f, cls=ed.DateTimeDecoder)
assert result == expected
