def test_nodeStaging_noHold_op(self):
n = Node("test", can_hold=False)
n.stage(100)
self.assertTrue(n._val == 0)
self.assertTrue(n._stage == 100)
n.apply()
self.assertTrue(n._stage == 0)
self.assertTrue(n._val == 0)
def test_nodeStaging_withHolds_op(self):
n = Node("test")
n.stage(100)
self.assertTrue(n._val == 0)
self.assertTrue(n._stage == 100)
n.apply()
self.assertTrue(n._stage == 0)
self.assertTrue(n._val == 100)
def test_modifierSimple_add_op(self):
a = Node("A", init_val=100)
b = Node("B")
mod = Modifier(a, b, 100)
self.assertTrue(a._val == 100)
self.assertTrue(b._val == 0)
mod.apply()
self.assertTrue(a._stage == -100)
self.assertTrue(a._val == 100)
self.assertTrue(b._stage == 100)
self.assertTrue(b._val == 0)
a.apply()
b.apply()
self.assertTrue(a._stage == 0)
self.assertTrue(a._val == 0)
self.assertTrue(b._stage == 0)
self.assertTrue(b._val == 100)