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test_multimedia_image_api.py
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Sat, Jul 20, 04:30

test_multimedia_image_api.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2014 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""Multimedia Image API Tests."""
from six import StringIO
from invenio.testsuite import make_test_suite, run_test_suite, InvenioTestCase
class TestMultimediaAPI(InvenioTestCase):
"""Multimedia Image API test case."""
def setUp(self):
"""Run before the test."""
# Create an image in memory
from PIL import Image
from invenio.modules.multimedia.api import MultimediaImage
tmp_file = StringIO()
# create a new image
image = Image.new("RGBA", (1280, 1024), (255, 0, 0, 0))
image.save(tmp_file, 'png')
# Initialize it for our object and create and instance for
# each test
tmp_file.seek(0)
self.image_resize = MultimediaImage.from_string(tmp_file)
tmp_file.seek(0)
self.image_crop = MultimediaImage.from_string(tmp_file)
tmp_file.seek(0)
self.image_rotate = MultimediaImage.from_string(tmp_file)
def tearDown(self):
"""Run after the test."""
def test_image_resize(self):
"""Test image resize function."""
# Test image size before
self.assertEqual(str(self.image_resize.size()), str((1280, 1024)))
# Resize.image_resize to 720,680
self.image_resize.resize('720,680')
self.assertEqual(str(self.image_resize.size()), str((720, 680)))
# Resize.image_resize to 300,
self.image_resize.resize('300,')
self.assertEqual(str(self.image_resize.size()), str((300, 283)))
# Resize.image_resize to ,300
self.image_resize.resize(',300')
self.assertEqual(str(self.image_resize.size()), str((318, 300)))
# Resize.image_resize to pct:90
self.image_resize.resize('pct:90')
self.assertEqual(str(self.image_resize.size()), str((286, 270)))
def test_image_crop(self):
"""Test the crop function."""
# Crop image x,y,w,h
self.image_crop.crop('20,20,400,300')
self.assertEqual(str(self.image_crop.size()), str((400, 300)))
# Crop image pct:x,y,w,h
self.image_crop.crop('pct:20,20,40,30')
self.assertEqual(str(self.image_crop.size()), str((160, 90)))
def test_image_rotate(self):
"""Test image rotate function."""
self.image_rotate.rotate(90)
self.assertEqual(str(self.image_rotate.size()), str((1024, 1280)))
TEST_SUITE = make_test_suite(TestMultimediaAPI)
if __name__ == '__main__':
run_test_suite(TEST_SUITE)

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