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test_image.py
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68 lines (53 loc) · 2.32 KB
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# Copyright 2016 Google Inc. 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.
import unittest
import base64
from google.cloud._helpers import _to_bytes
class TestVisionImage(unittest.TestCase):
_IMAGE_SOURCE = 'gs://some/image.jpg'
_IMAGE_CONTENT = _to_bytes('/9j/4QNURXhpZgAASUkq')
_B64_IMAGE_CONTENT = base64.b64encode(_IMAGE_CONTENT)
_CLIENT_MOCK = {'source': ''}
def _getTargetClass(self):
from google.cloud.vision.image import Image
return Image
def _makeOne(self, *args, **kw):
return self._getTargetClass()(*args, **kw)
def test_image_source_type_content(self):
image = self._makeOne(self._IMAGE_CONTENT, self._CLIENT_MOCK)
_AS_DICT = {
'content': self._B64_IMAGE_CONTENT
}
self.assertEqual(self._B64_IMAGE_CONTENT, image.content)
self.assertEqual(None, image.source)
self.assertEqual(_AS_DICT, image.as_dict())
def test_image_source_type_google_cloud_storage(self):
image = self._makeOne(self._IMAGE_SOURCE, self._CLIENT_MOCK)
_AS_DICT = {
'source': {
'gcs_image_uri': self._IMAGE_SOURCE
}
}
self.assertEqual(self._IMAGE_SOURCE, image.source)
self.assertEqual(None, image.content)
self.assertEqual(_AS_DICT, image.as_dict())
def test_cannot_set_both_source_and_content(self):
image = self._makeOne(self._IMAGE_CONTENT, self._CLIENT_MOCK)
self.assertEqual(self._B64_IMAGE_CONTENT, image.content)
with self.assertRaises(AttributeError):
image.source = self._IMAGE_SOURCE
image = self._makeOne(self._IMAGE_SOURCE, self._CLIENT_MOCK)
self.assertEqual(self._IMAGE_SOURCE, image.source)
with self.assertRaises(AttributeError):
image.content = self._IMAGE_CONTENT