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# This file is part of Supysonic.
# Supysonic is a Python implementation of the Subsonic server API.
#
# Copyright (C) 2017-2020 Alban 'spl0k' Féron
#
# Distributed under terms of the GNU AGPLv3 license.
import mutagen
import os
import os.path
import tempfile
import unittest
from contextlib import contextmanager
from pony.orm import db_session, commit
from supysonic import db
from supysonic.managers.folder import FolderManager
from supysonic.scanner import Scanner
class ScannerTestCase(unittest.TestCase):
def setUp(self):
db.init_database("sqlite:")
with db_session:
folder = FolderManager.add("folder", os.path.abspath("tests/assets/folder"))
self.assertIsNotNone(folder)
self.folderid = folder.id
self.__scan()
def tearDown(self):
db.release_database()
@contextmanager
def __temporary_track_copy(self):
track = db.Track.select().first()
with tempfile.NamedTemporaryFile(
dir=os.path.dirname(track.path), delete=False
) as tf:
with open(track.path, "rb") as f:
tf.write(f.read())
try:
yield tf.name
finally:
os.remove(tf.name)
def __scan(self, force=False):
self.scanner = Scanner(force=force)
self.scanner.queue_folder("folder")
self.scanner.run()
commit()
@db_session
def test_scan(self):
self.assertEqual(db.Track.select().count(), 1)
self.assertRaises(TypeError, self.scanner.queue_folder, None)
self.assertRaises(
TypeError, self.scanner.queue_folder, db.Folder[self.folderid]
)
@db_session
def test_rescan(self):
self.__scan()
self.assertEqual(db.Track.select().count(), 1)
@db_session
def test_force_rescan(self):
self.__scan(True)
self.assertEqual(db.Track.select().count(), 1)
@db_session
def test_scan_file(self):
self.scanner.scan_file("/some/inexistent/path")
commit()
self.assertEqual(db.Track.select().count(), 1)
@db_session
def test_remove_file(self):
track = db.Track.select().first()
self.assertRaises(TypeError, self.scanner.remove_file, None)
self.assertRaises(TypeError, self.scanner.remove_file, track)
self.scanner.remove_file("/some/inexistent/path")
commit()
self.assertEqual(db.Track.select().count(), 1)
self.scanner.remove_file(track.path)
self.scanner.prune()
commit()
self.assertEqual(db.Track.select().count(), 0)
self.assertEqual(db.Album.select().count(), 0)
self.assertEqual(db.Artist.select().count(), 0)
@db_session
def test_move_file(self):
track = db.Track.select().first()
self.assertRaises(TypeError, self.scanner.move_file, None, "string")
self.assertRaises(TypeError, self.scanner.move_file, track, "string")
self.assertRaises(TypeError, self.scanner.move_file, "string", None)
self.assertRaises(TypeError, self.scanner.move_file, "string", track)
self.scanner.move_file("/some/inexistent/path", track.path)
commit()
self.assertEqual(db.Track.select().count(), 1)
self.scanner.move_file(track.path, track.path)
commit()
self.assertEqual(db.Track.select().count(), 1)
self.assertRaises(
Exception, self.scanner.move_file, track.path, "/some/inexistent/path"
)
with self.__temporary_track_copy() as tf:
self.__scan()
self.assertEqual(db.Track.select().count(), 2)
self.scanner.move_file(tf, track.path)
commit()
self.assertEqual(db.Track.select().count(), 1)
track = db.Track.select().first()
new_path = track.path.replace("silence", "silence_moved")
self.scanner.move_file(track.path, new_path)
commit()
self.assertEqual(db.Track.select().count(), 1)
self.assertEqual(track.path, new_path)
@db_session
def test_rescan_corrupt_file(self):
with self.__temporary_track_copy() as tf:
self.__scan()
self.assertEqual(db.Track.select().count(), 2)
with open(tf, "wb") as f:
f.seek(0, 0)
f.write(b"\x00" * 4096)
f.truncate()
self.__scan(True)
self.assertEqual(db.Track.select().count(), 1)
@db_session
def test_rescan_removed_file(self):
with self.__temporary_track_copy():
self.__scan()
self.assertEqual(db.Track.select().count(), 2)
self.__scan()
self.assertEqual(db.Track.select().count(), 1)
@db_session
def test_scan_tag_change(self):
with self.__temporary_track_copy() as tf:
self.__scan()
copy = db.Track.get(path=tf)
self.assertEqual(copy.artist.name, "Some artist")
self.assertEqual(copy.album.name, "Awesome album")
tags = mutagen.File(copy.path, easy=True)
tags["artist"] = "Renamed artist"
tags["album"] = "Crappy album"
tags.save()
self.__scan(True)
self.assertEqual(copy.artist.name, "Renamed artist")
self.assertEqual(copy.album.name, "Crappy album")
self.assertIsNotNone(db.Artist.get(name="Some artist"))
self.assertIsNotNone(db.Album.get(name="Awesome album"))
def test_stats(self):
stats = self.scanner.stats()
self.assertEqual(stats.added.artists, 1)
self.assertEqual(stats.added.albums, 1)
self.assertEqual(stats.added.tracks, 1)
self.assertEqual(stats.deleted.artists, 0)
self.assertEqual(stats.deleted.albums, 0)
self.assertEqual(stats.deleted.tracks, 0)
if __name__ == "__main__":
unittest.main()
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