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# coding=utf-8 | |
# Copyright 2022 HuggingFace Inc. | |
# | |
# 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. | |
import unittest | |
from transformers.image_processing_utils import get_size_dict | |
class ImageProcessingUtilsTester(unittest.TestCase): | |
def test_get_size_dict(self): | |
# Test a dict with the wrong keys raises an error | |
inputs = {"wrong_key": 224} | |
with self.assertRaises(ValueError): | |
get_size_dict(inputs) | |
inputs = {"height": 224} | |
with self.assertRaises(ValueError): | |
get_size_dict(inputs) | |
inputs = {"width": 224, "shortest_edge": 224} | |
with self.assertRaises(ValueError): | |
get_size_dict(inputs) | |
# Test a dict with the correct keys is returned as is | |
inputs = {"height": 224, "width": 224} | |
outputs = get_size_dict(inputs) | |
self.assertEqual(outputs, inputs) | |
inputs = {"shortest_edge": 224} | |
outputs = get_size_dict(inputs) | |
self.assertEqual(outputs, {"shortest_edge": 224}) | |
inputs = {"longest_edge": 224, "shortest_edge": 224} | |
outputs = get_size_dict(inputs) | |
self.assertEqual(outputs, {"longest_edge": 224, "shortest_edge": 224}) | |
# Test a single int value which represents (size, size) | |
outputs = get_size_dict(224) | |
self.assertEqual(outputs, {"height": 224, "width": 224}) | |
# Test a single int value which represents the shortest edge | |
outputs = get_size_dict(224, default_to_square=False) | |
self.assertEqual(outputs, {"shortest_edge": 224}) | |
# Test a tuple of ints which represents (height, width) | |
outputs = get_size_dict((150, 200)) | |
self.assertEqual(outputs, {"height": 150, "width": 200}) | |
# Test a tuple of ints which represents (width, height) | |
outputs = get_size_dict((150, 200), height_width_order=False) | |
self.assertEqual(outputs, {"height": 200, "width": 150}) | |
# Test an int representing the shortest edge and max_size which represents the longest edge | |
outputs = get_size_dict(224, max_size=256, default_to_square=False) | |
self.assertEqual(outputs, {"shortest_edge": 224, "longest_edge": 256}) | |
# Test int with default_to_square=True and max_size fails | |
with self.assertRaises(ValueError): | |
get_size_dict(224, max_size=256, default_to_square=True) | |