def test_encode_params(self):
r = Request(url=gh_url)
r_latin1 = Request(url=gh_url, encoding='latin1')
# test interface
self.assertEqual(r._encode_params('mimino'), 'mimino')
self.assertEqual(r._encode_params(u'mi\xa3no'), 'mi\xc2\xa3no')
self.assertEqual(r_latin1._encode_params(u'mi\xa3no'), 'mi\xa3no')
self.assertEqual(r._encode_params({'hello': 'world'}), 'hello=world')
self.assertIn(r._encode_params({'a': 'b', 'c': 'd'}), ['a=b&c=d', 'c=d&a=b'])
self.assertEqual(r._encode_params([('a', 'b'), ('c', 'd')]), 'a=b&c=d')
self.assertEqual(r._encode_params([('a', ''), ('c', '10')]), 'a=&c=10')
self.assertRaises(Exception, r._encode_params)
self.assertRaises(Exception, r._encode_params, 10)
self.assertRaises(Exception, r._encode_params, ['hello', 'world'])
# test quoting
self.assertEqual(r._encode_params(
[('a', u'mi\xa3no'), ('b', 'mi\xc2\xa3no')]),
'a=mi%C2%A3no&b=mi%C2%A3no')
self.assertEqual(r._encode_params(
{'! #$%&\'()*+,': '/:;=?@[]~'}),
'%21+%23%24%25%26%27%28%29%2A%2B%2C=%2F%3A%3B%3D%3F%40%5B%5D%7E')
