code: def testApplyBucketsWithKeys(self):
      with tf.compat.v1.Graph().as_default():
          values = tf.constant(
              [
                  -100,
                  -0.05,
                  0.05,
                  0.25,
                  0.15,
                  100,
                  -100,
                  0,
                  4.3,
                  4.5,
                  4.4,
                  4.6,
                  100,
              ],
              dtype=tf.float32,
          )
          keys = tf.constant(
              [
                  "a",
                  "a",
                  "a",
                  "a",
                  "a",
                  "a",
                  "b",
                  "missing",
                  "b",
                  "b",
                  "b",
                  "b",
                  "b",
              ]
          )
          key_vocab = tf.constant(["a", "b"])
          # Pre-normalization boundaries: [[0, 0.1, 0.2], [4.33, 4.43, 4.53]]
          bucket_boundaries = tf.constant(
              [0.0, 0.5, 1.0, 1.5, 2.0], dtype=tf.float32
          )
          scales = 1.0 / (
              tf.constant([0.2, 4.53], dtype=tf.float32)
              - tf.constant([0, 4.33], dtype=tf.float32)
          )
          shifts = tf.constant([0, 1.0 - (4.33 * 5)], dtype=tf.float32)
          num_buckets = tf.constant(4, dtype=tf.int64)
          buckets = mappers._apply_buckets_with_keys(
              values,
              keys,
              key_vocab,
              bucket_boundaries,
              scales,
              shifts,
              num_buckets,
          )
          with self.test_session() as sess:
              sess.run(tf.compat.v1.tables_initializer())
              output = sess.run(buckets)
              self.assertAllEqual(
                  [0, 0, 1, 3, 2, 3, 0, -1, 0, 2, 1, 3, 3], output
              )
  
imports: import numpy
  import tensorflow
  from tensorflow_transform import mappers
  from tensorflow_transform import test_case
label_desc: Use image node_id 35 for calling the MappersTest obj's underlying member method code with example usage: obj.testApplyBucketsWithKeys() without return types