def test_adjust_command_causes_user_limits_to_be_updated(self):
# Get initial limits
low, high = self.motor.userlimits
# Redefine current position using 'adjust'
new_pos = 50
adjust(self.motor, new_pos)
# Check new limits
assert (low + new_pos, high + new_pos) == self.motor.userlimits
def test_adjust_command_sets_offset_correctly(self):
# Initial offset should be 0
assert self.motor.offset == 0
# Redefine current position using 'adjust'
new_pos = 50
adjust(self.motor, new_pos)
# Check new offset value
assert new_pos == self.motor.offset
def test_adjust(self, session, log):
"""Check adjust() command."""
motor = session.getDevice('motor')
maw(motor, 1)
adjust(motor, 0)
assert motor() == 0
assert motor.offset == 1
assert motor.target == 0
adjust(motor, 0, 1)
assert motor() == 1
assert motor.offset == 0
assert motor.target == 1
def test_adjust_alias(session, log):
alias = session.getDevice('aliasDev3', object)
# now set the alias to some object
axis = session.getDevice('axis')
# "alias" is a chatty property, so it should emit something when changed
with log.assert_msg_matches('alias set to'):
alias.alias = axis
alias.alias = axis
alias.offset = 0.0
adjust(alias, 1)
assert alias.offset == -1.0
assert axis.offset == -1.0
adjust(alias, 0)
assert alias.offset == 0.0
assert axis.offset == 0.0
def test_offsets(self, session):
d = session.getDevice('zb1')
# only adjust to new value
assert d.read(0) == 0
adjust(d, 0.5)
# check for offset and mode specific offset
assert d._offsets['slit'] == -0.5
assert d.offset == -0.5
# change mode, maw away and adjust again
d.mode = 'gisans'
d.wait()
# assert raises(KeyError, d._offsets['gisans'])
d.maw(-1)
adjust(d, 0)
# check for offset and mode specific offset
assert d._offsets['gisans'] == -1
assert d.offset == -1
# check for the mode specific offsets
assert (d._offsets['slit'], d._offsets['gisans']) == (-0.5, -1.)