Adding upstream version 2.8.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

tests/test_python/test_selectors.py

@@ -0,0 +1,36 @@
+# vim:fileencoding=utf-8:noet
+from __future__ import (unicode_literals, division, absolute_import, print_function)
+
+import os
+import sys
+
+from functools import partial
+
+import tests.modules.vim as vim_module
+
+from tests.modules.lib import Pl
+from tests.modules import TestCase
+
+
+class TestVim(TestCase):
+	def test_single_tab(self):
+		pl = Pl()
+		single_tab = partial(self.vim.single_tab, pl=pl, segment_info=None, mode=None)
+		with vim_module._with('tabpage'):
+			self.assertEqual(single_tab(), False)
+		self.assertEqual(single_tab(), True)
+
+	@classmethod
+	def setUpClass(cls):
+		sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(os.path.dirname(__file__)), 'vim_sys_path')))
+		from powerline.selectors import vim
+		cls.vim = vim
+
+	@classmethod
+	def tearDownClass(cls):
+		sys.path.pop(0)
+
+
+if __name__ == '__main__':
+	from tests.modules import main
+	main()