def test_is_available(self):
di = DataInterpreter()
di.requires = ['a', 'b']
t1 = DummyTrial('t1', 1)
t1.a = DummyResource('data')
t1.b = DummyResource('data')
t2 = DummyTrial('t2', 2)
t2.a = DummyResource('data')
t2.b = DummyResource(None)
t3 = DummyTrial('t3', 3)
t3.a = DummyResource('data')
ok_trials = [t1]
bad_trials_1 = [t2]
bad_trials_2 = [t3]
bad_trials_3 = [t2, t3]
bad_trials_4 = [t1, t2, t3]
self.assertEquals(di.is_available(ok_trials), True)
self.assertEquals(di.is_available(bad_trials_1), False)
self.assertEquals(di.is_available(bad_trials_2), False)
self.assertEquals(di.is_available(bad_trials_3), False)
self.assertEquals(di.is_available(bad_trials_4), False)
