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5477a5d039
The first fix avoids contaminating all future tests if the plugin fails to load. The second skips the CLI backend tests when the appropriate tool is not available (just as we do with the GStreamer tests).
156 lines
4.8 KiB
Python
156 lines
4.8 KiB
Python
# This file is part of beets.
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# Copyright 2013, Thomas Scholtes
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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import os
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import shutil
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from glob import glob
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import subprocess
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import _common
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from _common import unittest
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from helper import TestHelper
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from beets.library import Item, Album
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from beets.mediafile import MediaFile
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try:
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import gi
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gi.require_version('Gst', '1.0')
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GST_AVAILABLE = True
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except ImportError, ValueError:
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GST_AVAILABLE = False
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class ReplayGainCliTestBase(TestHelper):
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def setUp(self):
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self.setup_beets()
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try:
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self.load_plugins('replaygain')
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except:
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self.teardown_beets()
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self.unload_plugins()
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raise
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self.config['replaygain']['backend'] = self.backend
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self.config['plugins'] = ['replaygain']
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self.setupLibrary(2)
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def tearDown(self):
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self.teardown_beets()
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self.unload_plugins()
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def setupLibrary(self, file_count):
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"""Add an album to the library with ``file_count`` items.
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"""
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album = Album(id=1)
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album.add(self.lib)
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fixture_glob = os.path.join(_common.RSRC, '*.mp3')
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for src in glob(fixture_glob)[0:file_count]:
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dst = os.path.join(self.libdir, os.path.basename(src))
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shutil.copy(src, dst)
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item = Item.from_path(dst)
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item.album_id = 1
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item.add(self.lib)
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self._reset_replaygain(item)
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def _reset_replaygain(self, item):
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item['rg_track_peak'] = None
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item['rg_track_gain'] = None
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item['rg_album_gain'] = None
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item['rg_album_gain'] = None
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item.write()
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item.store()
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def test_cli_saves_track_gain(self):
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for item in self.lib.items():
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self.assertIsNone(item.rg_track_peak)
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self.assertIsNone(item.rg_track_gain)
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mediafile = MediaFile(item.path)
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self.assertIsNone(mediafile.rg_track_peak)
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self.assertIsNone(mediafile.rg_track_gain)
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self.run_command('replaygain')
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for item in self.lib.items():
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self.assertIsNotNone(item.rg_track_peak)
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self.assertIsNotNone(item.rg_track_gain)
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mediafile = MediaFile(item.path)
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self.assertAlmostEqual(
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mediafile.rg_track_peak, item.rg_track_peak, places=6)
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self.assertAlmostEqual(
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mediafile.rg_track_gain, item.rg_track_gain, places=2)
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def test_cli_skips_calculated_tracks(self):
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self.run_command('replaygain')
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item = self.lib.items()[0]
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peak = item.rg_track_peak
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item.rg_track_gain = 0.0
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self.run_command('replaygain')
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self.assertEqual(item.rg_track_gain, 0.0)
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self.assertEqual(item.rg_track_peak, peak)
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def test_cli_saves_album_gain_to_file(self):
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for item in self.lib.items():
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mediafile = MediaFile(item.path)
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self.assertIsNone(mediafile.rg_album_peak)
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self.assertIsNone(mediafile.rg_album_gain)
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self.run_command('replaygain', '-a')
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peaks = []
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gains = []
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for item in self.lib.items():
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mediafile = MediaFile(item.path)
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peaks.append(mediafile.rg_album_peak)
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gains.append(mediafile.rg_album_gain)
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# Make sure they are all the same
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self.assertEqual(max(peaks), min(peaks))
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self.assertEqual(max(gains), min(gains))
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self.assertNotEqual(max(gains), 0.0)
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self.assertNotEqual(max(peaks), 0.0)
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@unittest.skipIf(not GST_AVAILABLE, 'gstreamer cannot be found')
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class ReplayGainGstCliTest(ReplayGainCliTestBase, unittest.TestCase):
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backend = u'gstreamer'
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class ReplayGainCmdCliTest(ReplayGainCliTestBase, unittest.TestCase):
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backend = u'command'
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def setUp(self):
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# Check for the backend command.
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for command in ['mp3gain', 'aacgain']:
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try:
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subprocess.check_call([command, '-v'])
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except OSError:
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pass
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else:
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break
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else:
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self.skipTest('no *gain command found')
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super(ReplayGainCmdCliTest, self).setUp()
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def suite():
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return unittest.TestLoader().loadTestsFromName(__name__)
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if __name__ == '__main__':
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unittest.main(defaultTest='suite')
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