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# -*- coding: utf-8 -*-
#
# Picard, the next-generation MusicBrainz tagger
#
# Copyright (C) 2019-2021 Philipp Wolfer
# Copyright (C) 2020-2021 Laurent Monin
#
# 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 mutagen.asf import ASFByteArrayAttribute
from test.picardtestcase import (
PicardTestCase,
create_fake_png,
)
from picard.formats import (
asf,
ext_to_format,
)
from .common import (
CommonTests,
load_metadata,
load_raw,
save_metadata,
save_raw,
skipUnlessTestfile,
)
from .coverart import CommonCoverArtTests
# prevent unittest to run tests in those classes
class CommonAsfTests:
class AsfTestCase(CommonTests.TagFormatsTestCase):
def test_supports_tag(self):
fmt = ext_to_format(self.testfile_ext[1:])
self.assertTrue(fmt.supports_tag('copyright'))
self.assertTrue(fmt.supports_tag('compilation'))
self.assertTrue(fmt.supports_tag('bpm'))
self.assertTrue(fmt.supports_tag('djmixer'))
self.assertTrue(fmt.supports_tag('discnumber'))
self.assertTrue(fmt.supports_tag('lyrics:lead'))
for tag in self.replaygain_tags.keys():
self.assertTrue(fmt.supports_tag(tag))
@skipUnlessTestfile
def test_ci_tags_preserve_case(self):
# Ensure values are not duplicated on repeated save and are saved
# case preserving.
tags = {
'Replaygain_Album_Peak': '-6.48 dB'
}
save_raw(self.filename, tags)
loaded_metadata = load_metadata(self.filename)
loaded_metadata['replaygain_album_peak'] = '1.0'
save_metadata(self.filename, loaded_metadata)
raw_metadata = load_raw(self.filename)
self.assertIn('Replaygain_Album_Peak', raw_metadata)
self.assertEqual(raw_metadata['Replaygain_Album_Peak'][0], loaded_metadata['replaygain_album_peak'])
self.assertEqual(1, len(raw_metadata['Replaygain_Album_Peak']))
self.assertNotIn('REPLAYGAIN_ALBUM_PEAK', raw_metadata)
def _test_invalid_picture(self, invalid_picture_data):
png_data = create_fake_png(b'x')
tags = {
'WM/Picture': [
ASFByteArrayAttribute(invalid_picture_data),
ASFByteArrayAttribute(
asf.pack_image("image/png", png_data)
)
]
}
save_raw(self.filename, tags)
metadata = load_metadata(self.filename)
self.assertEqual(1, len(metadata.images))
self.assertEqual(png_data, metadata.images[0].data)
@skipUnlessTestfile
def test_ignore_invalid_wm_picture(self):
# A picture that cannot be unpacked
self._test_invalid_picture(b'notapicture')
class ASFTest(CommonAsfTests.AsfTestCase):
testfile = 'test.asf'
supports_ratings = True
expected_info = {
'length': 92,
'~channels': '2',
'~sample_rate': '44100',
'~bitrate': '128.0',
}
class WMATest(CommonAsfTests.AsfTestCase):
testfile = 'test.wma'
supports_ratings = True
expected_info = {
'length': 139,
'~channels': '2',
'~sample_rate': '44100',
'~bitrate': '64.0',
}
unexpected_info = ['~video']
class WMVTest(CommonAsfTests.AsfTestCase):
testfile = 'test.wmv'
supports_ratings = True
expected_info = {
'length': 565,
'~channels': '2',
'~sample_rate': '44100',
'~bitrate': '128.0',
'~video': '1',
}
class AsfUtilTest(PicardTestCase):
test_cases = [
# Empty MIME, description and data
(('', b'', 2, ''), b'\x02\x00\x00\x00\x00\x00\x00\x00\x00'),
# MIME, description set, 1 byte data
(('M', b'x', 2, 'D'), b'\x02\x01\x00\x00\x00M\x00\x00\x00D\x00\x00\x00x'),
# Empty MIME and description, 3 byte data
(('', b'abc', 0, ''), b'\x00\x03\x00\x00\x00\x00\x00\x00\x00abc'),
]
def test_pack_and_unpack_image(self):
mime = 'image/png'
image_data = create_fake_png(b'x')
image_type = 4
description = 'testing'
tag_data = asf.pack_image(mime, image_data, image_type, description)
expected_length = 5 + 2 * len(mime) + 2 + 2 * len(description) + 2 + len(image_data)
self.assertEqual(tag_data[0], image_type)
self.assertEqual(len(tag_data), expected_length)
self.assertEqual(image_data, tag_data[-len(image_data):])
unpacked = asf.unpack_image(tag_data)
self.assertEqual(mime, unpacked[0])
self.assertEqual(image_data, unpacked[1])
self.assertEqual(image_type, unpacked[2])
self.assertEqual(description, unpacked[3])
def test_pack_image(self):
for args, expected in self.test_cases:
self.assertEqual(expected, asf.pack_image(*args))
def test_unpack_image(self):
for expected, packed in self.test_cases:
self.assertEqual(expected, asf.unpack_image(packed))
def test_unpack_image_value_errors(self):
self.assertRaisesRegex(ValueError, "unpack_from requires a buffer of at least 5 bytes",
asf.unpack_image, b'')
self.assertRaisesRegex(ValueError, "unpack_from requires a buffer of at least 5 bytes",
asf.unpack_image, b'\x02\x01\x00\x00')
self.assertRaisesRegex(ValueError, "mime: missing data",
asf.unpack_image, b'\x00\x00\x00\x00\x00')
self.assertRaisesRegex(ValueError, "mime: missing data",
asf.unpack_image, b'\x04\x19\x00\x00\x00a\x00')
self.assertRaisesRegex(ValueError, "desc: missing data",
asf.unpack_image, b'\x04\x19\x00\x00\x00a\x00\x00\x00a\x00')
self.assertRaisesRegex(ValueError, "image data size mismatch",
asf.unpack_image, b'\x04\x19\x00\x00\x00a\x00\x00\x00a\x00\x00\x00x')
class AsfCoverArtTest(CommonCoverArtTests.CoverArtTestCase):
testfile = 'test.asf'
class WmaCoverArtTest(CommonCoverArtTests.CoverArtTestCase):
testfile = 'test.wma'
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