class NodeDependentTestCase(TestCase):
"""Test case for triggered dependent Nodes"""
def setUp(self):
self.root = Input('root')
self.dependent = ConstantNode('dependent', triggered=False)
self.root._connect(self.dependent)
self.triggered = ConstantNode('triggered', triggered=True)
self.root._connect(self.triggered)
def test_keep_dirty(self):
"""Setting a dirty Node as dirty doesn't trigger dependents"""
triggered_nodes = self.root.set_value(DIRTY)
self.assertEqual(set(), triggered_nodes)
def test_set_value_triggers_dependents(self):
"""Setting a value to a dirty Node triggers dependents"""
triggered_nodes = self.root.set_value(0)
self.assertEqual({self.triggered}, triggered_nodes)
def test_set_value_triggers_dependents(self):
"""Setting the previous value to an Input doesn't trigger dependents"""
self.root.set_value(0)
triggered_nodes = self.root.set_value(0)
self.assertEqual(set(), triggered_nodes)
def test_get_triggered_dependents(self):
"""Setting a value to a dirty Node triggers dependents"""
triggered_nodes = self.root._get_triggered_dependents()
self.assertEqual({self.triggered}, triggered_nodes)
def test_get_deep_triggered_dependents(self):
"""Setting a value to a dirty Node triggers dependents tree"""
child1 = ConstantNode('child1', triggered=True)
child2 = ConstantNode('child2', triggered=True)
self.triggered._connect(child1)
self.triggered._connect(child2)
triggered_nodes = self.root._get_triggered_dependents()
self.assertEqual({self.triggered, child1, child2}, triggered_nodes)
def test_set_value(self):
"""A value set to a dirty Node is stored in the object"""
node = Input('name')
node.set_value(0)
self.assertEqual(0, node._value)
def test_set_value(self):
"""A value set to a dirty Node is stored in the object"""
node = Input('name')
node.set_value(0)
self.assertEqual(0, node._value)
