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# -*- coding: utf-8 -*-
#
# Picard, the next-generation MusicBrainz tagger
#
# Copyright (C) 2014, 2020 Laurent Monin
# Copyright (C) 2021 Philipp Wolfer
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from test.picardtestcase import (
PicardTestCase,
get_test_data_path,
)
from picard.util import imageinfo
class IdentifyTest(PicardTestCase):
def test_gif(self):
file = get_test_data_path('mb.gif')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/gif', '.gif', 5806)
)
def test_png(self):
file = get_test_data_path('mb.png')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/png', '.png', 11137)
)
def test_jpeg(self):
file = get_test_data_path('mb.jpg')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/jpeg', '.jpg', 8550)
)
def test_webp_vp8(self):
file = get_test_data_path('mb-vp8.webp')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/webp', '.webp', 6178)
)
def test_webp_vp8l(self):
file = get_test_data_path('mb-vp8l.webp')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/webp', '.webp', 9432)
)
def test_webp_vp8x(self):
file = get_test_data_path('mb-vp8x.webp')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/webp', '.webp', 6858)
)
def test_webp_insufficient_data(self):
self.assertRaises(imageinfo.NotEnoughData, imageinfo.identify, b'RIFF\x00\x00\x00\x00WEBPVP8L')
self.assertRaises(imageinfo.NotEnoughData, imageinfo.identify, b'RIFF\x00\x00\x00\x00WEBPVP8X')
def test_tiff(self):
file = get_test_data_path('mb.tiff')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/tiff', '.tiff', 12509)
)
def test_pdf(self):
file = get_test_data_path('mb.pdf')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(0, 0, 'application/pdf', '.pdf', 10362)
)
def test_not_enough_data(self):
self.assertRaises(imageinfo.IdentificationError,
imageinfo.identify, "x")
self.assertRaises(imageinfo.NotEnoughData, imageinfo.identify, "x")
def test_invalid_data(self):
self.assertRaises(imageinfo.IdentificationError,
imageinfo.identify, "x" * 20)
self.assertRaises(imageinfo.UnrecognizedFormat,
imageinfo.identify, "x" * 20)
def test_invalid_png_data(self):
data = '\x89PNG\x0D\x0A\x1A\x0A' + "x" * 20
self.assertRaises(imageinfo.IdentificationError,
imageinfo.identify, data)
self.assertRaises(imageinfo.UnrecognizedFormat,
imageinfo.identify, data)
class SupportsMimeTypeTest(PicardTestCase):
def test_supported_mime_types(self):
self.assertTrue(imageinfo.supports_mime_type('application/pdf'))
self.assertTrue(imageinfo.supports_mime_type('image/gif'))
self.assertTrue(imageinfo.supports_mime_type('image/jpeg'))
self.assertTrue(imageinfo.supports_mime_type('image/png'))
self.assertTrue(imageinfo.supports_mime_type('image/tiff'))
self.assertTrue(imageinfo.supports_mime_type('image/webp'))
def test_unsupported_mime_types(self):
self.assertFalse(imageinfo.supports_mime_type('application/octet-stream'))
self.assertFalse(imageinfo.supports_mime_type('text/html'))
class GetSupportedExtensionsTest(PicardTestCase):
def test_supported_extensions(self):
extensions = list(imageinfo.get_supported_extensions())
self.assertIn('.jpeg', extensions)
self.assertIn('.jpg', extensions)
self.assertIn('.pdf', extensions)
self.assertIn('.png', extensions)
self.assertIn('.tif', extensions)
self.assertIn('.tiff', extensions)
self.assertIn('.webp', extensions)
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