'Test that a Http404 error is raised with non-integer and out-of-range pages'

@ddt.data(10, (-1), 0, 'str')
def test_invalid_page_number(self, page_num):

    with self.assertRaises(Http404):
        paginate_search_results(self.mock_model, self.search_results, self.default_size, page_num)
