def test_dependants_direct(self):
a = MockTarget('a')
b = MockTarget('b', a)
c = MockTarget('c', b)
d = MockTarget('d', c, a)
e = MockTarget('e', d)
context = Context(ContextTest.config, options={}, target_roots=[a, b, c, d, e])
dependees = context.dependants(lambda t: t in set([e, c]))
self.assertEquals(set([c]), dependees.pop(d))
self.assertEquals(0, len(dependees))
def test_dependants_empty(self):
context = Context(ContextTest.config, options={}, target_roots=[])
dependees = context.dependants()
self.assertEquals(0, len(dependees))