_sanity/_sanity_test.py

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# Copyright 2016 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
 
import json
import pkgutil
import unittest
 
import six
 
import tests
 
 
class SanityTest(unittest.TestCase):
 
    maxDiff = 32768
 
    TEST_PKG_MODULE_NAME = 'tests'
    TEST_PKG_PATH = 'tests'
 
    def testTestsJsonUpToDate(self):
        """Autodiscovers all test suites and checks that tests.json is up to date"""
        loader = tests.Loader()
        loader.loadTestsFromNames([self.TEST_PKG_MODULE_NAME])
        test_suite_names = sorted({
            test_case_class.id().rsplit('.', 1)[0] for test_case_class in
            tests._loader.iterate_suite_cases(loader.suite)
        })
 
        tests_json_string = pkgutil.get_data(self.TEST_PKG_PATH, 'tests.json')
        tests_json = json.loads(
            tests_json_string.decode() if six.PY3 else tests_json_string)
 
        self.assertSequenceEqual(tests_json, test_suite_names)
 
 
if __name__ == '__main__':
    unittest.main(verbosity=2)