def test_add_on_condition(self):
# Signature: name(self, on_condition)
# Add an OnCondition transition which leaves this regime
#
# If the on_condition object has not had its target regime name
# set in the constructor, or by calling its ``set_target_regime_name()``,
# then the target is assumed to be this regime, and will be set
# appropriately.
#
# The source regime for this transition will be set as this regime.
from nineml.abstraction_layer import Regime
from nineml.abstraction_layer import OnCondition, OnEvent
from nineml.exceptions import NineMLRuntimeError
r = Regime(name='R1')
self.assertEquals(set(r.on_conditions), set())
self.assertRaises(NineMLRuntimeError, r.add_on_condition, OnEvent('sp1'))
r.add_on_condition(OnCondition('sp1>0'))
self.assertEquals(len(set(r.on_conditions)), 1)
self.assertEquals(len(set(r.on_events)), 0)
self.assertEquals(len(set(r.transitions)), 1)
