def test_add_instrument(local_test_pipette, robot):
trash, tiprack1, tiprack2, plate, p200 = local_test_pipette
robot.reset()
Pipette(robot, ul_per_mm=18.5, max_volume=1000, mount='left')
with pytest.raises(RuntimeError):
Pipette(robot,
mount='left',
max_volume=100,
ul_per_mm=10)
def test_tip_tracking_chain_multi_channel(local_test_pipette, robot):
trash, tiprack1, tiprack2, plate, p200 = local_test_pipette
# TODO (ben 20171130): revise this test to make more sense in the
# context of required tip pick_up/drop sequencing, etc.
p200_multi = Pipette(
robot,
trash_container=trash,
tip_racks=[tiprack1, tiprack2],
max_volume=200,
min_volume=10, # These are variable
mount='right',
channels=8,
ul_per_mm=18.5)
p200_multi.calibrate_plunger(top=0, bottom=10, blow_out=12, drop_tip=13)
p200_multi.move_to = mock.Mock()
for _ in range(0, 12 * 2):
p200_multi.pick_up_tip()
p200_multi.tip_attached = False # prior expectation, for test only
expected = []
for i in range(0, 12):
expected.extend(build_pick_up_tip(p200_multi, tiprack1.cols[i]))
for i in range(0, 12):
expected.extend(build_pick_up_tip(p200_multi, tiprack2.cols[i]))
assert p200_multi.move_to.mock_calls == expected
def test_deprecated_axis_call(local_test_pipette, robot):
trash, tiprack1, tiprack2, plate, p200 = local_test_pipette
import warnings
warnings.filterwarnings('error')
# Check that user warning occurs when axis is called
with pytest.raises(UserWarning):
Pipette(robot, axis='a')
# Check that the warning is still valid when max_volume is also used
with pytest.raises(UserWarning):
Pipette(robot, axis='a', max_volume=300)
warnings.filterwarnings('default')
def test_get_instruments_by_name(local_test_pipette, robot):
trash, tiprack1, tiprack2, plate, p200 = local_test_pipette
p1000 = Pipette(
robot,
ul_per_mm=18.5,
trash_container=trash,
tip_racks=[tiprack1],
max_volume=1000,
min_volume=10, # These are variable
mount='right',
name='p1000',
channels=1,
aspirate_speed=300,
dispense_speed=500)
result = list(robot.get_instruments('p1000'))
assert result == [('right', p1000)]
def local_test_pipette(robot):
trash = containers_load(robot, 'point', '1')
tiprack1 = containers_load(robot, 'tiprack-10ul', '5')
tiprack2 = containers_load(robot, 'tiprack-10ul', '8')
plate = containers_load(robot, '96-flat', '4')
p200 = Pipette(
robot,
ul_per_mm=18.5,
trash_container=trash,
tip_racks=[tiprack1, tiprack2],
max_volume=200,
min_volume=10, # These are variable
mount='left',
channels=1,
name='other-pipette-for-transfer-tests')
p200.reset()
p200.calibrate_plunger(top=0, bottom=10, blow_out=12, drop_tip=13)
robot.home()
return trash, tiprack1, tiprack2, plate, p200
def test_tip_tracking_chain(local_test_pipette, robot):
trash, tiprack1, tiprack2, plate, p200 = local_test_pipette
# TODO (ben 20171130): revise this test to make more sense in the
# context of required tip pick_up/drop sequencing, etc.
total_tips_per_plate = 4
tiprack1 = generate_plate(total_tips_per_plate, 2, (5, 5), (0, 0), 5)
tiprack2 = generate_plate(total_tips_per_plate, 2, (5, 5), (0, 0), 5)
robot._deck['1'].add(tiprack1, 'tiprack1')
robot._deck['2'].add(tiprack2, 'tiprack2')
p200 = Pipette(robot,
mount='right',
tip_racks=[tiprack1, tiprack2],
trash_container=tiprack1,
name='pipette-for-transfer-tests',
max_volume=200,
ul_per_mm=18.5)
p200.move_to = mock.Mock()
for _ in range(0, total_tips_per_plate * 2):
p200.pick_up_tip()
p200.tip_attached = False # prior expectation, for test only
expected = []
for i in range(0, total_tips_per_plate):
expected.extend(build_pick_up_tip(p200, tiprack1[i]))
for i in range(0, total_tips_per_plate):
expected.extend(build_pick_up_tip(p200, tiprack2[i]))
assert p200.move_to.mock_calls == expected
# test then when we go over the total number of tips,
# Pipette raises a RuntimeWarning
robot.clear_commands()
p200.reset()
for _ in range(0, total_tips_per_plate * 2):
p200.pick_up_tip()
p200.tip_attached = False # prior expectation, for test only
with pytest.raises(RuntimeWarning):
p200.pick_up_tip()
def __new__(cls, config: TopConfigurationContext,
existingInstance: Pipette):
assert isinstance(existingInstance, Pipette)
existingInstance.__class__ = EnhancedPipetteV1
return existingInstance
def test_integration(robot):
left = Pipette(robot, mount='left', ul_per_mm=1000, max_volume=1000)
robot.home()
pose = left._move(robot.poses, 1, 1, 1)
assert isclose(change_base(pose, src=left), (1, 1, 1)).all()