def test_with_set_conversion_and_initial_value_given():
value = 36
p = Parameter('testparam', set_cmd=None, get_cmd=None)
c = ConversionParameter('test_conversion_parameter',
p,
lambda x: x,
set_conv=lambda x: x * 2,
initial_value=value)
assert value * 2 == p.get_latest()
assert value == c.get_latest()
def test_with_set_conversion():
p = Parameter('testparam', set_cmd=None, get_cmd=None)
c = ConversionParameter('test_conversion_parameter',
p,
lambda x: x,
set_conv=lambda x: x * 2,
unit='V')
new_value = 25
c.set(new_value)
assert new_value * 2 == p.get_latest()
assert new_value == c.get_latest()
