def test_parameter_replace(self):
par = Parameter(3, name='par')
selector = Function(
lambda *args: args[1],
name='selector',
parameters=(
Parameter('bla', name='first'),
par,
Parameter('blup', name='third'),
),
)
context = Parameter(2, name='pre_factor') * selector
# store parents and children for comparison
_children_before = par.get_children()
_parents_before = par.get_parents()
# replace node
par_new = Parameter(7, name='par_new')
par.replace(par_new)
par_new.value = 6
self.assertEqual(context.value, 12)
# retrieve new parents and children for comparison
_children_after = par_new.get_children()
_parents_after = par_new.get_parents()
self.assertEqual(_children_before, _children_after)
self.assertEqual(_parents_before, _parents_after)
def test_parameter_replace_literal(self):
par = Parameter(3, name='par')
selector = Function(
lambda *args: args[1],
name='selector',
parameters=(
Parameter('bla', name='first'),
par,
Parameter('blup', name='third'),
),
)
context = Parameter(2, name='pre_factor') * selector
# replace node
par.replace(7)
self.assertEqual(context.value, 14)
