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"""Tests for StringToHashBucket op from string_ops."""
import tensorflow.python.platform
import tensorflow as tf
class StringToHashBucketOpTest(tf.test.TestCase):
def testStringToOneHashBucket(self):
with self.test_session():
input_string = tf.placeholder(tf.string)
output = tf.string_to_hash_bucket(input_string, 1)
result = output.eval(feed_dict={
input_string: ['a', 'b', 'c']
})
self.assertAllEqual([0, 0, 0], result)
def testStringToHashBuckets(self):
with self.test_session():
input_string = tf.placeholder(tf.string)
output = tf.string_to_hash_bucket(input_string, 10)
result = output.eval(feed_dict={
input_string: ['a', 'b', 'c']
})
# Hash64('a') -> 2996632905371535868 -> mod 10 -> 8
# Hash64('b') -> 5795986006276551370 -> mod 10 -> 0
# Hash64('c') -> 14899841994519054197 -> mod 10 -> 7
self.assertAllEqual([8, 0, 7], result)
if __name__ == '__main__':
tf.test.main()
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