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# -*- coding: utf-8 -*-
#
# Picard, the next-generation MusicBrainz tagger
#
# Copyright (C) 2019 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.
import os
import unittest
from picard import config
from picard.formats.ac3 import AC3File
from picard.formats.mutagenext.ac3 import native_ac3
from picard.metadata import Metadata
from .common import (
CommonTests,
load_metadata,
save_and_load_metadata,
)
from .test_apev2 import CommonApeTests
class AC3WithAPETest(CommonApeTests.ApeTestCase):
testfile = 'test.ac3'
supports_ratings = False
expected_info = {
'length': 106,
'~bitrate': '192.0',
'~sample_rate': '44100',
'~channels': '2',
}
unexpected_info = ['~video']
def setUp(self):
super().setUp()
config.setting['ac3_save_ape'] = True
config.setting['remove_ape_from_ac3'] = True
@unittest.skipUnless(native_ac3, "mutagen.ac3 not available")
def test_info(self):
super().test_info()
class AC3NoTagsTest(CommonTests.BaseFileTestCase):
testfile = 'test-apev2.ac3'
def setUp(self):
super().setUp()
config.setting['ac3_save_ape'] = False
config.setting['remove_ape_from_ac3'] = False
def test_load_but_do_not_save_tags(self):
metadata = load_metadata(self.filename)
self.assertEqual('Test AC3 with APEv2 tags', metadata['title'])
self.assertEqual('The Artist', metadata['artist'])
metadata['artist'] = 'Foo'
metadata['title'] = 'Bar'
metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual('Test AC3 with APEv2 tags', metadata['title'])
self.assertEqual('The Artist', metadata['artist'])
def test_remove_ape_tags(self):
config.setting['remove_ape_from_ac3'] = True
metadata = Metadata({
'artist': 'Foo'
})
metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual('AC-3', metadata['~format'])
self.assertNotIn('title', metadata)
self.assertNotIn('artist', metadata)
def test_info_format(self):
metadata = load_metadata(os.path.join('test', 'data', 'test.ac3'))
self.assertEqual('AC-3', metadata['~format'])
metadata = load_metadata(os.path.join('test', 'data', 'test-apev2.ac3'))
self.assertEqual('AC-3 (APEv2)', metadata['~format'])
if native_ac3:
metadata = load_metadata(os.path.join('test', 'data', 'test.eac3'))
self.assertEqual('Enhanced AC-3', metadata['~format'])
def test_supports_tag(self):
config.setting['ac3_save_ape'] = True
self.assertTrue(AC3File.supports_tag('title'))
config.setting['ac3_save_ape'] = False
self.assertFalse(AC3File.supports_tag('title'))
@unittest.skipUnless(native_ac3, "mutagen.ac3 not available")
class EAC3Test(CommonTests.SimpleFormatsTestCase):
testfile = 'test.eac3'
expected_info = {
'~format': 'Enhanced AC-3',
'length': 107,
'~sample_rate': '44100',
'~channels': '2',
}
unexpected_info = ['~video']
def setUp(self):
super().setUp()
config.setting['ac3_save_ape'] = True
def test_bitrate(self):
# For EAC3 bitrate is calculated and often a fractional value
metadata = load_metadata(os.path.join('test', 'data', 'test.ac3'))
self.assertAlmostEqual(192.0, float(metadata['~bitrate']))
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