'Test extraction of filter widget values from GET vars'

def testValues(self):

    get_vars = {'test_1': '1', 'test_2': ['1,2', '3']}
    values = S3FilterWidget._values(get_vars, 'test_1')
    self.assertEqual(len(values), 1)
    self.assertTrue(('1' in values))
    values = S3FilterWidget._values(get_vars, 'test_2')
    self.assertEqual(len(values), 3)
    self.assertTrue(('1' in values))
    self.assertTrue(('2' in values))
    self.assertTrue(('3' in values))
