Add failing importfeed tests for albums with slashes

Isolates bug in #610

test/test_importfeeds.py

@@ -0,0 +1,42 @@
+import os
+import os.path
+import tempfile
+import shutil
+
+from _common import unittest
+from beets import config
+from beets.library import Item, Album, Library
+from beetsplug.importfeeds import album_imported, ImportFeedsPlugin
+
+
+class ImportfeedsTestTest(unittest.TestCase):
+
+    def setUp(self):
+        self.importfeeds = ImportFeedsPlugin()
+        self.lib = Library(':memory:')
+        self.feeds_dir = tempfile.mkdtemp()
+        config['importfeeds']['dir'] = self.feeds_dir
+        
+    def tearDown(self):
+        shutil.rmtree(self.feeds_dir)
+
+    def test_multi_format_album_playlist(self):
+        config['importfeeds']['formats'] = 'm3u_multi'
+        album = Album(album='album/name', id=1)
+        item = Item(title='song', album_id=1, path='/path/to/item')
+        self.lib.add(album)
+        self.lib.add(item)
+
+        album_imported(self.lib, album)
+        playlist_path = os.path.join(self.feeds_dir,
+                                     os.listdir(self.feeds_dir)[0])
+        self.assertTrue(playlist_path.endswith('album_name.m3u'))
+        with open(playlist_path) as playlist:
+            self.assertIn('/path/to/item', playlist.read())
+
+
+def suite():
+    return unittest.TestLoader().loadTestsFromName(__name__)
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='suite')