"""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()