# Copyright 2019 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
"""Test configs for placeholder_with_default."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import numpy as np
import tensorflow.compat.v1 as tf
from tensorflow.lite.testing.zip_test_utils import make_zip_of_tests
from tensorflow.lite.testing.zip_test_utils import register_make_test_function
from tensorflow.lite.testing.zip_test_utils import TF_TYPE_INFO


@register_make_test_function()
def make_placeholder_with_default_tests(options):
  """Make a set of tests to test placeholder_with_default."""

  test_parameters = [{
      "dtype": [tf.float32, tf.int32, tf.int64],
  }]

  def build_graph(parameters):
    """Build the placeholder_with_default testing graph."""
    const_node = tf.constant([1, 2, 2, 0],
                             shape=[2, 2],
                             dtype=parameters["dtype"])
    input_tensor = tf.compat.v1.placeholder_with_default(
        const_node, shape=[2, 2], name="input")
    out = tf.equal(input_tensor, const_node, name="output")

    return [input_tensor], [out]

  def build_inputs(parameters, sess, inputs, outputs):
    numpy_type = TF_TYPE_INFO[parameters["dtype"]][0]
    input_value = np.array([[1, 0], [2, 1]], numpy_type)
    return [input_value], sess.run(
        outputs, feed_dict=dict(zip(inputs, [input_value])))

  make_zip_of_tests(options, test_parameters, build_graph, build_inputs)
