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 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