def test_test_component_outputs_failure(self):
"""test_component_outputs should return false if
an unmet output requirement exists"""
requirement = lambda component : 'IS_BAR' in component.state.flags
subject = Component()
the_output = Component()
the_output.state.set_flag('IS_FOO')
subject.plug_into(the_output)
self.assertEqual(bool(req.test_component_outputs(subject, requirement)), False)
def test_test_component_inputs_pass(self):
"""test_component_inputs should return True if
all input requirements are met"""
requirement = lambda component : 'IS_FOO' in component.state.flags
subject = Component()
the_input = Component()
the_input.state.set_flag('IS_FOO')
subject.register_component(the_input)
the_input.plug_into(subject)
self.assertEqual(len(subject.item_inputs()), 1)
self.assertEqual(req.test_component_inputs(subject, requirement), True)
def get_nodes(self):
return self._graph.nodes()
def get_edges(self):
return self._graph.edges()
if __name__ == "__main__":
from component import Component
a = Component(name="a")
b = Component(name="b")
c = Component(name="c")
d = Component(name="d")
e = Component(name="e")
f = Component(name="f")
g = Component(name="g")
b.plug_into(a)
d.plug_into(b)
c.plug_into(d)
e.plug_into(f)
e.plug_into(d)
e.plug_into(g)
e.graph_proxy.get_components()
d.unplug_from(e)
print str(e.graph_proxy.get_components()[1].nodes())
