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#
# openslide-python - Python bindings for the OpenSlide library
#
# Copyright (c) 2016 Benjamin Gilbert
#
# This library is free software; you can redistribute it and/or modify it
# under the terms of version 2.1 of the GNU Lesser General Public License
# as published by the Free Software Foundation.
#
# This library 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 Lesser General Public
# License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from openslide import OpenSlide, ImageSlide
from openslide.deepzoom import DeepZoomGenerator
import unittest
from . import file_path
# Tests should be written to be compatible with Python 2.6 unittest.
class _BoxesDeepZoomTest(object):
def setUp(self):
self.osr = self.CLASS(file_path(self.FILENAME))
self.dz = DeepZoomGenerator(self.osr, 254, 1)
def tearDown(self):
self.osr.close()
def test_repr(self):
self.assertEqual(repr(self.dz),
('DeepZoomGenerator(%r, tile_size=254, overlap=1, ' +
'limit_bounds=False)') % self.osr)
def test_metadata(self):
self.assertEqual(self.dz.level_count, 10)
self.assertEqual(self.dz.tile_count, 11)
self.assertEqual(self.dz.level_tiles,
((1, 1), (1, 1), (1, 1), (1, 1), (1, 1),
(1, 1), (1, 1), (1, 1), (1, 1), (2, 1)))
self.assertEqual(self.dz.level_dimensions,
((1, 1), (2, 1), (3, 2), (5, 4), (10, 8),
(19, 16), (38, 32), (75, 63), (150, 125), (300, 250)))
def test_get_tile(self):
self.assertEqual(self.dz.get_tile(9, (1, 0)).size, (47, 250))
def test_get_tile_bad_level(self):
self.assertRaises(ValueError, lambda: self.dz.get_tile(-1, (0, 0)))
self.assertRaises(ValueError, lambda: self.dz.get_tile(10, (0, 0)))
def test_get_tile_bad_address(self):
self.assertRaises(ValueError, lambda: self.dz.get_tile(0, (-1, 0)))
self.assertRaises(ValueError, lambda: self.dz.get_tile(0, (1, 0)))
def test_get_tile_coordinates(self):
self.assertEqual(self.dz.get_tile_coordinates(9, (1, 0)),
((253, 0), 0, (47, 250)))
def test_get_tile_dimensions(self):
self.assertEqual(self.dz.get_tile_dimensions(9, (1, 0)), (47, 250))
def test_get_dzi(self):
self.assertTrue('http://schemas.microsoft.com/deepzoom/2008' in
self.dz.get_dzi('jpeg'))
class TestSlideDeepZoom(_BoxesDeepZoomTest, unittest.TestCase):
CLASS = OpenSlide
FILENAME = 'boxes.tiff'
class TestImageDeepZoom(_BoxesDeepZoomTest, unittest.TestCase):
CLASS = ImageSlide
FILENAME = 'boxes.png'
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