def METHOD_NAME(self):
    page_size = 10
    num_pages = 3
    results = self.file.query(page_size=page_size)
    _results = []
    for (i, r) in enumerate(results):
        # fetch three pages and break
        if i / page_size == num_pages:
            break
        _results.append(r)
    self.assertEqual(len(_results), num_pages * page_size)
    self.assertEqual(
        len(set(map(str, _results))),
        num_pages * page_size
    )