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import json
import unittest

import tests


class Sanity(unittest.TestCase):

  def testTestsJsonUpToDate(self):
    """Autodiscovers all test suites and checks that tests.json is up to date"""
    loader = tests.Loader()
    loader.loadTestsFromNames(['tests'])
    test_suite_names = [
        test_case_class.id().rsplit('.', 1)[0]
        for test_case_class in tests._loader.iterate_suite_cases(loader.suite)]
    test_suite_names = sorted(set(test_suite_names))

    with open('src/python/grpcio/tests/tests.json') as tests_json_file:
      tests_json = json.load(tests_json_file)
    self.assertListEqual(test_suite_names, tests_json)


if __name__ == '__main__':
  unittest.main(verbosity=2)