Test convert error during import

When the conversion of an audio file fails during import the original should be
imported. See #659

test/test_convert.py

@@ -0,0 +1,48 @@
+# This file is part of beets.
+# Copyright 2014, Thomas Scholtes.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+import os.path
+from _common import unittest
+from helper import TestHelper
+
+class ImportConvertTest(unittest.TestCase, TestHelper):
+
+    def setUp(self):
+        self.setup_beets()
+        self.importer = self.create_importer()
+        self.load_plugins('convert')
+
+    def tearDown(self):
+        self.teardown_beets()
+        self.unload_plugins()
+
+    def test_import_original_on_convert_error(self):
+        # `false` exits with non-zero code
+        self.config['convert']['command'] = u'false'
+        self.config['convert']['auto'] = True
+        # Enforce running convert
+        self.config['convert']['max_bitrate'] = 1
+        self.config['convert']['quiet'] = False
+        self.importer.run()
+
+        item = self.lib.items().get()
+        self.assertIsNotNone(item)
+        self.assertTrue(os.path.isfile(item.path))
+
+
+def suite():
+    return unittest.TestLoader().loadTestsFromName(__name__)
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='suite')