def test_hash(self):
x = numpy.matrix("[%s]" % ("1 2;3 4;5 6;7 8;9 10;" * 10).strip(";"))
for slice_size in [30, 1, 3]:
ds1 = DataSet(x, slice_size=slice_size)
ds2 = DataSet(x, slice_size=slice_size)
self.assertEqual(ds1.hash(), ds2.hash())
for i in range(0, len(ds1)):
self.assertEqual(ds1.hash(i), ds2.hash(i))
slice1 = ds1.slice_from_hash(ds1.hash(i)).raw_data()
slice2 = ds2.slice_from_hash(ds2.hash(i)).raw_data()
slice12 = ds1.slice_from_hash(ds2.hash(i)).raw_data()
slice21 = ds2.slice_from_hash(ds1.hash(i)).raw_data()
self.assertTrue((slice1 == slice2).all())
self.assertTrue((slice12 == slice21).all())
self.assertTrue((slice1 == slice21).all())
def test_hash(self):
ds1 = DataSet(range(0, 120))
ds2 = DataSet(range(0, 120))
self.assertEqual(ds1.hash(0), ds2.hash(0))
self.assertEqual(ds1.hash(1), ds2.hash(1))
self.assertEqual(ds1.hash(2), ds2.hash(2))
self.assertEqual(ds1.hash(3), ds2.hash(3))
ds1 = DataSet(range(0, 120), slice_size=1)
ds2 = DataSet(range(0, 120), slice_size=1)
for i in range(0, 120, 10):
self.assertEqual(ds1.hash(i), ds2.hash(i))
