def testIntersect_Disjoint(self):
a = SourceSet(set(['a', 'b']),
set([SourceListCondition('1', '2', '3')]))
b = SourceSet(set(['c', 'd']),
set([SourceListCondition('3', '4', '6')]))
c = a.Intersect(b)
self.assertEqual(c.sources, set())
self.assertEqual(
c.conditions,
set([
SourceListCondition('1', '2', '3'),
SourceListCondition('3', '4', '6')
]))
self.assertTrue(c.IsEmpty())
def testIntersect_Overlap(self):
a = SourceSet(set(['a', 'b']),
set([SourceListCondition('1', '2', '3')]))
b = SourceSet(set(['b', 'c']),
set([SourceListCondition('3', '4', '6')]))
c = a.Intersect(b)
self.assertEqual(c.sources, set(['b']))
self.assertEqual(
c.conditions,
set([
SourceListCondition('1', '2', '3'),
SourceListCondition('3', '4', '6')
]))
self.assertFalse(c.IsEmpty())