Spaces:
Running
Running
File size: 2,448 Bytes
0b8359d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 |
# Copyright 2017 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.
# ==============================================================================
"""Tests for data_provider."""
import numpy as np
import tensorflow as tf
from tensorflow.contrib.slim import queues
import datasets
import data_provider
class DataProviderTest(tf.test.TestCase):
def setUp(self):
tf.test.TestCase.setUp(self)
def test_preprocessed_image_values_are_in_range(self):
image_shape = (5, 4, 3)
fake_image = np.random.randint(low=0, high=255, size=image_shape)
image_tf = data_provider.preprocess_image(fake_image)
with self.test_session() as sess:
image_np = sess.run(image_tf)
self.assertEqual(image_np.shape, image_shape)
min_value, max_value = np.min(image_np), np.max(image_np)
self.assertTrue((-1.28 < min_value) and (min_value < 1.27))
self.assertTrue((-1.28 < max_value) and (max_value < 1.27))
def test_provided_data_has_correct_shape(self):
batch_size = 4
data = data_provider.get_data(
dataset=datasets.fsns_test.get_test_split(),
batch_size=batch_size,
augment=True,
central_crop_size=None)
with self.test_session() as sess, queues.QueueRunners(sess):
images_np, labels_np = sess.run([data.images, data.labels_one_hot])
self.assertEqual(images_np.shape, (batch_size, 150, 600, 3))
self.assertEqual(labels_np.shape, (batch_size, 37, 134))
def test_optionally_applies_central_crop(self):
batch_size = 4
data = data_provider.get_data(
dataset=datasets.fsns_test.get_test_split(),
batch_size=batch_size,
augment=True,
central_crop_size=(500, 100))
with self.test_session() as sess, queues.QueueRunners(sess):
images_np = sess.run(data.images)
self.assertEqual(images_np.shape, (batch_size, 100, 500, 3))
if __name__ == '__main__':
tf.test.main()
|