Mercurial > hg > orthanc-tests
view Plugins/WSI/Run.py @ 670:54d382626bfd
fix WSI tests for new version
author | Alain Mazy <am@orthanc.team> |
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date | Mon, 26 Aug 2024 12:21:26 +0200 |
parents | 5d7b6e43ab7d |
children | d2ac1c6588db |
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#!/usr/bin/python # -*- coding: utf-8 -*- # Orthanc - A Lightweight, RESTful DICOM Store # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics # Department, University Hospital of Liege, Belgium # Copyright (C) 2017-2023 Osimis S.A., Belgium # Copyright (C) 2024-2024 Orthanc Team SRL, Belgium # Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium # # This program 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 3 of the # License, or (at your option) any later version. # # This program 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 this program. If not, see <http://www.gnu.org/licenses/>. import argparse import os import pprint import re import subprocess import sys import tempfile import unittest from shutil import copyfile sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'Tests')) from Toolbox import * ## ## Parse the command-line arguments ## parser = argparse.ArgumentParser(description = 'Run the integration tests for the WSI Dicomizer.') parser.add_argument('--server', default = 'localhost', help = 'Address of the Orthanc server to test') parser.add_argument('--rest', type = int, default = 8042, help = 'Port to the REST API') parser.add_argument('--username', default = 'alice', help = 'Username to the REST API') parser.add_argument('--password', default = 'orthanctest', help = 'Password to the REST API') parser.add_argument('--dicomizer', default = os.path.join(os.environ['HOME'], 'Subversion/orthanc-wsi/Applications/i/OrthancWSIDicomizer'), help = 'Password to the REST API') parser.add_argument('--to-tiff', default = os.path.join(os.environ['HOME'], 'Subversion/orthanc-wsi/Applications/i/OrthancWSIDicomToTiff'), help = 'Password to the REST API') parser.add_argument('--valgrind', help = 'Use valgrind while running the DICOM-izer', action = 'store_true') parser.add_argument('--force', help = 'Do not warn the user', action = 'store_true') parser.add_argument('options', metavar = 'N', nargs = '*', help='Arguments to Python unittest') args = parser.parse_args() if not args.force: print(""" WARNING: This test will remove all the content of your Orthanc instance running on %s! Are you sure ["yes" to go on]?""" % args.server) if sys.stdin.readline().strip() != 'yes': print('Aborting...') exit(0) ## ## The tests ## ORTHANC = DefineOrthanc(server = args.server, username = args.username, password = args.password, restPort = args.rest) def CallCommand(command): prefix = [] if args.valgrind: prefix = [ 'valgrind' ] log = subprocess.check_output(prefix + command, stderr=subprocess.STDOUT) if sys.version_info >= (3, 0): log = log.decode('ascii') # If using valgrind, only print the lines from the log starting # with '==' (they contain the report from valgrind) if args.valgrind: print('\n'.join(filter(lambda x: x.startswith('=='), log.splitlines()))) def CallDicomizer(suffix): CallCommand([ args.dicomizer, '--orthanc=http://%s:%s' % (args.server, args.rest), '--username=%s' % args.username, '--password=%s' % args.password ] + suffix ) def CallDicomToTiff(suffix): CallCommand([ args.to_tiff, '--orthanc=http://%s:%s' % (args.server, args.rest), '--username=%s' % args.username, '--password=%s' % args.password ] + suffix) def CallTiffInfoOnSeries(series): with tempfile.NamedTemporaryFile(delete = False) as temp: temp.close() CallDicomToTiff([ series, temp.name ]) try: tiff = subprocess.check_output([ 'tiffinfo', temp.name ]) except: print('\ntiffinfo is probably not installed => sudo apt-get install libtiff-tools\n') tiff = None if (tiff != None and sys.version_info >= (3, 0)): tiff = tiff.decode('ascii') os.unlink(temp.name) return tiff class Orthanc(unittest.TestCase): def setUp(self): if (sys.version_info >= (3, 0)): # Remove annoying warnings about unclosed socket in Python 3 import warnings warnings.simplefilter("ignore", ResourceWarning) DropOrthanc(ORTHANC) def test_single(self): CallDicomizer([ GetDatabasePath('Lena.jpg') ]) i = DoGet(ORTHANC, '/instances') self.assertEqual(1, len(i)) tags = DoGet(ORTHANC, '/instances/%s/tags?simplify' % i[0]) self.assertEqual(1, int(tags['NumberOfFrames'])) self.assertEqual(512, int(tags['Columns'])) self.assertEqual(512, int(tags['Rows'])) self.assertEqual('YBR_FULL_422', tags['PhotometricInterpretation']) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) pyramid = DoGet(ORTHANC, '/wsi/pyramids/%s' % s[0]) self.assertEqual(s[0], pyramid['ID']) self.assertEqual(1, len(pyramid['Resolutions'])) self.assertEqual(1, len(pyramid['Sizes'])) self.assertEqual(1, len(pyramid['TilesCount'])) self.assertEqual(1, pyramid['Resolutions'][0]) self.assertEqual(512, pyramid['Sizes'][0][0]) self.assertEqual(512, pyramid['Sizes'][0][1]) self.assertEqual(1, len(pyramid['TilesSizes'])) self.assertEqual(2, len(pyramid['TilesSizes'][0])) self.assertEqual(512, pyramid['TilesSizes'][0][0]) self.assertEqual(512, pyramid['TilesSizes'][0][1]) self.assertEqual(512, pyramid['TotalWidth']) self.assertEqual(512, pyramid['TotalHeight']) self.assertEqual(1, pyramid['TilesCount'][0][0]) self.assertEqual(1, pyramid['TilesCount'][0][1]) tiff = CallTiffInfoOnSeries(s[0]) p = list(filter(lambda x: 'Photometric Interpretation' in x, tiff.splitlines())) self.assertEqual(1, len(p)) self.assertTrue('YCbCr' in p[0]) def test_grayscale_pyramid(self): CallDicomizer([ GetDatabasePath('LenaGrayscale.png'), '--tile-width=64', '--tile-height=64' ]) i = DoGet(ORTHANC, '/instances') self.assertEqual(4, len(i)) for j in range(4): tags = DoGet(ORTHANC, '/instances/%s/tags?simplify' % i[j]) self.assertEqual(64, int(tags['Columns'])) self.assertEqual(64, int(tags['Rows'])) self.assertEqual('MONOCHROME2', tags['PhotometricInterpretation']) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) pyramid = DoGet(ORTHANC, '/wsi/pyramids/%s' % s[0]) self.assertEqual(s[0], pyramid['ID']) self.assertEqual(4, len(pyramid['Resolutions'])) self.assertEqual(4, len(pyramid['Sizes'])) self.assertEqual(4, len(pyramid['TilesCount'])) self.assertEqual(4, len(pyramid['TilesSizes'])) self.assertEqual(1, pyramid['Resolutions'][0]) self.assertEqual(2, pyramid['Resolutions'][1]) self.assertEqual(4, pyramid['Resolutions'][2]) self.assertEqual(8, pyramid['Resolutions'][3]) self.assertEqual(512, pyramid['Sizes'][0][0]) self.assertEqual(512, pyramid['Sizes'][0][1]) self.assertEqual(256, pyramid['Sizes'][1][0]) self.assertEqual(256, pyramid['Sizes'][1][1]) self.assertEqual(128, pyramid['Sizes'][2][0]) self.assertEqual(128, pyramid['Sizes'][2][1]) self.assertEqual(64, pyramid['Sizes'][3][0]) self.assertEqual(64, pyramid['Sizes'][3][1]) for i in range(4): self.assertEqual(2, len(pyramid['TilesSizes'][i])) self.assertEqual(64, pyramid['TilesSizes'][i][0]) self.assertEqual(64, pyramid['TilesSizes'][i][1]) self.assertEqual(512, pyramid['TotalWidth']) self.assertEqual(512, pyramid['TotalHeight']) self.assertEqual(8, pyramid['TilesCount'][0][0]) self.assertEqual(8, pyramid['TilesCount'][0][1]) self.assertEqual(4, pyramid['TilesCount'][1][0]) self.assertEqual(4, pyramid['TilesCount'][1][1]) self.assertEqual(2, pyramid['TilesCount'][2][0]) self.assertEqual(2, pyramid['TilesCount'][2][1]) self.assertEqual(1, pyramid['TilesCount'][3][0]) self.assertEqual(1, pyramid['TilesCount'][3][1]) tiff = CallTiffInfoOnSeries(s[0]) p = list(filter(lambda x: 'Photometric Interpretation' in x, tiff.splitlines())) self.assertEqual(4, len(p)) for j in range(4): self.assertTrue('min-is-black' in p[j]) def test_import_tiff_grayscale(self): CallDicomizer([ GetDatabasePath('WSI/LenaGrayscaleJpeg.tiff') ]) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) pyramid = DoGet(ORTHANC, '/wsi/pyramids/%s' % s[0]) self.assertEqual(4, len(pyramid['Resolutions'])) tiff = CallTiffInfoOnSeries(s[0]) p = list(filter(lambda x: 'Photometric Interpretation' in x, tiff.splitlines())) self.assertEqual(4, len(p)) for j in range(4): self.assertTrue('min-is-black' in p[j]) def test_import_tiff_ycbcr(self): CallDicomizer([ GetDatabasePath('WSI/LenaColorJpegYCbCr.tiff') ]) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) pyramid = DoGet(ORTHANC, '/wsi/pyramids/%s' % s[0]) self.assertEqual(4, len(pyramid['Resolutions'])) tiff = CallTiffInfoOnSeries(s[0]) p = list(filter(lambda x: 'Photometric Interpretation' in x, tiff.splitlines())) self.assertEqual(4, len(p)) for j in range(4): self.assertTrue('YCbCr' in p[j]) def test_import_tiff_rgb(self): CallDicomizer([ GetDatabasePath('WSI/LenaColorJpegRGB.tiff') ]) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) pyramid = DoGet(ORTHANC, '/wsi/pyramids/%s' % s[0]) self.assertEqual(4, len(pyramid['Resolutions'])) tiff = CallTiffInfoOnSeries(s[0]) p = list(filter(lambda x: 'Photometric Interpretation' in x, tiff.splitlines())) self.assertEqual(4, len(p)) for j in range(4): self.assertTrue('RGB' in p[j]) def test_concatenation(self): # https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=145 CallDicomizer([ GetDatabasePath('LenaGrayscale.png'), '--levels=1', ]) i = DoGet(ORTHANC, '/instances') self.assertEqual(1, len(i)) tags = DoGet(ORTHANC, '/instances/%s/tags?short' % i[0]) self.assertTrue('0020,0242' in tags) # SOP Instance UID of Concatenation Source self.assertTrue('0020,9161' in tags) # Concatenation UID self.assertTrue('0020,9162' in tags) # In-concatenation Number self.assertTrue('0020,9228' in tags) # Concatenation Frame Offset Number self.assertEqual('1', tags['0020,9162']) self.assertEqual('0', tags['0020,9228']) DropOrthanc(ORTHANC) # "--max-size" disables the concatenation CallDicomizer([ GetDatabasePath('LenaGrayscale.png'), '--levels=1', '--max-size=0' ]) i = DoGet(ORTHANC, '/instances') self.assertEqual(1, len(i)) tags = DoGet(ORTHANC, '/instances/%s/tags?short' % i[0]) self.assertFalse('0020,0242' in tags) self.assertFalse('0020,9161' in tags) self.assertFalse('0020,9162' in tags) self.assertFalse('0020,9228' in tags) DropOrthanc(ORTHANC) # This creates a series with 2 instances of roughly 1.5MB (= 2 frames x 512 x 512 x 3 (RGB24) + DICOM overhead) CallDicomizer([ GetDatabasePath('WSI/Lena2x2.png'), '--levels=1', '--max-size=1', '--compression=none' ]) i = DoGet(ORTHANC, '/instances') self.assertEqual(2, len(i)) t1 = DoGet(ORTHANC, '/instances/%s/tags?short' % i[0]) t2 = DoGet(ORTHANC, '/instances/%s/tags?short' % i[1]) self.assertTrue('0020,0242' in t1) self.assertTrue('0020,9161' in t1) self.assertTrue('0020,9162' in t1) self.assertTrue('0020,9228' in t1) self.assertEqual(t1['0020,0242'], t2['0020,0242']) self.assertEqual(t1['0020,9161'], t2['0020,9161']) if t1['0020,9162'] == '1': self.assertEqual('1', t1['0020,9162']) self.assertEqual('0', t1['0020,9228']) self.assertEqual('2', t2['0020,9162']) self.assertEqual('2', t2['0020,9228']) else: self.assertEqual('1', t2['0020,9162']) self.assertEqual('0', t2['0020,9228']) self.assertEqual('2', t1['0020,9162']) self.assertEqual('2', t1['0020,9228']) def test_pixel_spacing(self): # https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=139 CallDicomizer([ GetDatabasePath('LenaGrayscale.png'), # Image is 512x512 '--levels=4', '--tile-width=64', '--tile-height=64', '--max-size=0', '--imaged-width=20', '--imaged-height=10' ]) instances = DoGet(ORTHANC, '/instances') self.assertEqual(4, len(instances)) spacings = {} for i in instances: t = DoGet(ORTHANC, '/instances/%s/tags?short' % i) spacings[t['0028,0008']] = t['5200,9229'][0]['0028,9110'][0]['0028,0030'] self.assertEqual(4, len(spacings)) for i in range(4): s = spacings[str(4 ** i)].split('\\') self.assertEqual(2, len(s)) self.assertEqual(20.0 / 512.0 * (2.0 ** (3 - i)), float(s[0])) self.assertEqual(10.0 / 512.0 * (2.0 ** (3 - i)), float(s[1])) def test_http_accept(self): # https://discourse.orthanc-server.org/t/orthanc-wsi-image-quality-issue/3331 def TestTransferSyntax(s, expected): instance = DoGet(ORTHANC, '/series/%s' % s[0]) ['Instances'][0] self.assertEqual(expected, DoGet(ORTHANC, '/instances/%s/metadata/TransferSyntax' % instance)) def TestDefaultAccept(s, mime): tile = GetImage(ORTHANC, '/wsi/tiles/%s/0/0/0' % s[0]) self.assertEqual(mime, tile.format) tile = GetImage(ORTHANC, '/wsi/tiles/%s/0/0/0' % s[0], { 'Accept' : 'text/html,*/*' }) self.assertEqual(mime, tile.format) tile = GetImage(ORTHANC, '/wsi/tiles/%s/0/0/0' % s[0], { 'Accept' : 'image/*,text/html' }) self.assertEqual(mime, tile.format) tile = DoGetRaw(ORTHANC, '/wsi/tiles/%s/0/0/0' % s[0], headers = { 'Accept' : 'text/html' }) self.assertEqual(406, int(tile[0]['status'])) def TestForceAccept(s): tile = GetImage(ORTHANC, '/wsi/tiles/%s/0/0/0' % s[0], { 'Accept' : 'image/jpeg' }) self.assertEqual('JPEG', tile.format) tile = GetImage(ORTHANC, '/wsi/tiles/%s/0/0/0' % s[0], { 'Accept' : 'image/png' }) self.assertEqual('PNG', tile.format) tile = GetImage(ORTHANC, '/wsi/tiles/%s/0/0/0' % s[0], { 'Accept' : 'image/jp2' }) self.assertEqual('JPEG2000', tile.format) CallDicomizer([ GetDatabasePath('Lena.jpg') ]) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) TestTransferSyntax(s, '1.2.840.10008.1.2.4.50') TestDefaultAccept(s, 'JPEG') TestForceAccept(s) DoDelete(ORTHANC, '/series/%s' % s[0]) CallDicomizer([ GetDatabasePath('Lena.jpg'), '--compression', 'none' ]) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) TestTransferSyntax(s, '1.2.840.10008.1.2') TestDefaultAccept(s, 'PNG') TestForceAccept(s) DoDelete(ORTHANC, '/series/%s' % s[0]) CallDicomizer([ GetDatabasePath('Lena.jpg'), '--compression', 'jpeg2000' ]) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) TestTransferSyntax(s, '1.2.840.10008.1.2.4.90') TestDefaultAccept(s, 'PNG') TestForceAccept(s) def test_iiif(self): CallDicomizer([ GetDatabasePath('LenaGrayscale.png'), # Image is 512x512 '--levels=3', '--tile-width=128', '--tile-height=128' ]) self.assertEqual(3, len(DoGet(ORTHANC, '/instances'))) s = DoGet(ORTHANC, '/series') self.assertEqual(1, len(s)) uri = '/wsi/iiif/tiles/%s' % s[0] info = DoGet(ORTHANC, '%s/info.json' % uri) self.assertEqual('http://iiif.io/api/image/3/context.json', info['@context']) self.assertEqual('http://iiif.io/api/image', info['protocol']) self.assertEqual('http://localhost:8042%s' % uri, info['id']) self.assertEqual('level0', info['profile']) self.assertEqual('ImageService3', info['type']) self.assertEqual(512, info['width']) self.assertEqual(512, info['height']) self.assertEqual(3, len(info['sizes'])) if IsPluginVersionAbove(ORTHANC, "wsi", 2, 1, 0): # https://orthanc.uclouvain.be/hg/orthanc-wsi/rev/9dc7f1e8716d self.assertEqual(512, info['sizes'][2]['width']) self.assertEqual(512, info['sizes'][2]['height']) self.assertEqual(256, info['sizes'][1]['width']) self.assertEqual(256, info['sizes'][1]['height']) self.assertEqual(128, info['sizes'][0]['width']) self.assertEqual(128, info['sizes'][0]['height']) else: self.assertEqual(512, info['sizes'][0]['width']) self.assertEqual(512, info['sizes'][0]['height']) self.assertEqual(256, info['sizes'][1]['width']) self.assertEqual(256, info['sizes'][1]['height']) self.assertEqual(128, info['sizes'][2]['width']) self.assertEqual(128, info['sizes'][2]['height']) self.assertEqual(1, len(info['tiles'])) self.assertEqual(128, info['tiles'][0]['width']) self.assertEqual(128, info['tiles'][0]['height']) self.assertEqual([ 1, 2, 4 ], info['tiles'][0]['scaleFactors']) # The list of URIs below was generated by "orthanc-wsi/Resources/TestIIIFTiles.py" # Level 0 GetImage(ORTHANC, '/%s/0,0,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/128,0,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/256,0,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/384,0,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/0,128,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/128,128,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/256,128,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/384,128,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/0,256,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/128,256,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/256,256,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/384,256,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/0,384,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/128,384,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/256,384,128,128/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/384,384,128,128/128,128/0/default.jpg' % uri) # Level 1 GetImage(ORTHANC, '/%s/0,0,256,256/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/256,0,256,256/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/0,256,256,256/128,128/0/default.jpg' % uri) GetImage(ORTHANC, '/%s/256,256,256,256/128,128/0/default.jpg' % uri) # Level 2 i = GetImage(ORTHANC, '/%s/0,0,512,512/128,128/0/default.jpg' % uri) self.assertEqual(128, i.width) self.assertEqual(128, i.height) uri2 = '/wsi/iiif/series/%s/manifest.json' % s[0] manifest = DoGet(ORTHANC, uri2) self.assertEqual('http://iiif.io/api/presentation/3/context.json', manifest['@context']) self.assertEqual('http://localhost:8042%s' % uri2, manifest['id']) self.assertEqual(1, len(manifest['items'])) self.assertEqual(1, len(manifest['items'][0]['items'])) self.assertEqual(1, len(manifest['items'][0]['items'][0]['items'])) self.assertEqual('Manifest', manifest['type']) self.assertEqual('Canvas', manifest['items'][0]['type']) self.assertEqual('AnnotationPage', manifest['items'][0]['items'][0]['type']) self.assertEqual('Annotation', manifest['items'][0]['items'][0]['items'][0]['type']) self.assertEqual(512, manifest['items'][0]['width']) self.assertEqual(512, manifest['items'][0]['height']) body = manifest['items'][0]['items'][0]['items'][0]['body'] self.assertEqual(1, len(body['service'])) self.assertEqual('image/jpeg', body['format']) self.assertEqual('Image', body['type']) self.assertEqual(512, body['width']) self.assertEqual(512, body['height']) self.assertEqual('level0', body['service'][0]['profile']) self.assertEqual('ImageService3', body['service'][0]['type']) self.assertEqual('http://localhost:8042%s' % uri, body['service'][0]['id']) def test_iiif_radiology(self): a = UploadInstance(ORTHANC, 'ColorTestMalaterre.dcm') ['ID'] b = UploadInstance(ORTHANC, 'Multiframe.dcm') ['ID'] c = UploadInstance(ORTHANC, 'Brainix/Epi/IM-0001-0001.dcm') ['ID'] d = UploadInstance(ORTHANC, 'Brainix/Epi/IM-0001-0002.dcm') ['ID'] s1 = DoGet(ORTHANC, '/instances/%s/series' % a) ['ID'] s2 = DoGet(ORTHANC, '/instances/%s/series' % b) ['ID'] s3 = DoGet(ORTHANC, '/instances/%s/series' % c) ['ID'] manifest = DoGet(ORTHANC, '/wsi/iiif/series/%s/manifest.json' % s1) self.assertEqual(1, len(manifest['items'])) manifest = DoGet(ORTHANC, '/wsi/iiif/series/%s/manifest.json' % s2) self.assertEqual(76, len(manifest['items'])) manifest = DoGet(ORTHANC, '/wsi/iiif/series/%s/manifest.json' % s3) self.assertEqual(2, len(manifest['items'])) for (i, width, height) in [ (a, 41, 41), (b, 512, 512), (c, 256, 256), (d, 256, 256) ]: uri = '/wsi/iiif/frames/%s/0' % i info = DoGet(ORTHANC, uri + '/info.json') self.assertEqual(8, len(info)) self.assertEqual('http://iiif.io/api/image/3/context.json', info['@context']) self.assertEqual('http://iiif.io/api/image', info['protocol']) self.assertEqual('http://localhost:8042%s' % uri, info['id']) self.assertEqual('level0', info['profile']) self.assertEqual('ImageService3', info['type']) self.assertEqual(width, info['width']) self.assertEqual(height, info['height']) self.assertEqual(1, len(info['tiles'])) self.assertEqual(3, len(info['tiles'][0])) self.assertEqual(width, info['tiles'][0]['width']) self.assertEqual(height, info['tiles'][0]['height']) self.assertEqual([ 1 ], info['tiles'][0]['scaleFactors']) try: print('\nStarting the tests...') unittest.main(argv = [ sys.argv[0] ] + args.options) finally: print('\nDone')