def test_union(self):
r1 = range(10000)
m1 = MaxHash(8192)
r2 = range(2000, 12000)
m2 = MaxHash(8192)
r3 = range(15000)
m3 = MaxHash(8192)
for i in r1:
m1.add(str(i))
for i in r2:
m2.add(str(i))
for i in r3:
m3.add(str(i))
m4 = m1.union(m2)
ix = MaxHash.get_jaccard_index([m3, m4])
self.assertAlmostEqual(ix, 0.80, 2)
