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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 __future__ import annotations
import unittest
from common import file_path
from openslide import ImageSlide, OpenSlide, lowlevel
from openslide.deepzoom import DeepZoomGenerator
class _Abstract:
# nested class to prevent the test runner from finding it
class BoxesDeepZoomTest(unittest.TestCase):
CLASS: type | None = None
FILENAME: str | None = None
def setUp(self) -> None:
assert self.CLASS is not None
assert self.FILENAME is not None
self.osr = self.CLASS(file_path(self.FILENAME))
self.dz = DeepZoomGenerator(self.osr, 254, 1)
def tearDown(self) -> None:
self.osr.close()
def test_repr(self) -> None:
self.assertEqual(
repr(self.dz),
'DeepZoomGenerator(%r, tile_size=254, overlap=1, limit_bounds=False)'
% self.osr,
)
def test_metadata(self) -> None:
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) -> None:
self.assertEqual(self.dz.get_tile(9, (1, 0)).size, (47, 250))
def test_tile_color_profile(self) -> None:
if self.CLASS is OpenSlide and not lowlevel.read_icc_profile.available:
self.skipTest("requires OpenSlide 4.0.0")
self.assertEqual(len(self.dz.get_tile(9, (1, 0)).info['icc_profile']), 588)
def test_get_tile_bad_level(self) -> None:
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) -> None:
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) -> None:
self.assertEqual(
self.dz.get_tile_coordinates(9, (1, 0)), ((253, 0), 0, (47, 250))
)
def test_get_tile_dimensions(self) -> None:
self.assertEqual(self.dz.get_tile_dimensions(9, (1, 0)), (47, 250))
def test_get_dzi(self) -> None:
self.assertTrue(
'http://schemas.microsoft.com/deepzoom/2008' in self.dz.get_dzi('jpeg')
)
class TestSlideDeepZoom(_Abstract.BoxesDeepZoomTest):
CLASS = OpenSlide
FILENAME = 'boxes.tiff'
class TestImageDeepZoom(_Abstract.BoxesDeepZoomTest):
CLASS = ImageSlide
FILENAME = 'boxes.png'
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