def test_jarcard_index(self):
r1 = range(10000)
m1 = MaxHash(8192)
r2 = range(2000, 10000)
m2 = MaxHash(8192)
for i in r1:
m1.add(str(i))
for i in r2:
m2.add(str(i))
ix = MaxHash.get_jaccard_index([m1, m2])
self.assertAlmostEqual(ix, 0.80, 2)
def test_add(self):
m = MaxHash(8192)
m.add(str(1))
m.add(str(2))
m.add(str(3))
m.add(str(4))
self.assertEqual(len(m.uniq()), 4)
def _inner_hll_accumulate(a, v):
from maxhash import MaxHash
a.merge(MaxHash.loads(v))
return a
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)
def test_merge(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))
m2.merge(m1)
ix = MaxHash.get_jaccard_index([m2, m3])
self.assertAlmostEqual(ix, 0.80, 2)
def _inner_hll_accumulate(a, v):
from maxhash import MaxHash
a.merge(MaxHash.loads(v))
return a
def _inner_deault():
from maxhash import MaxHash
return MaxHash()