diff options
Diffstat (limited to 'third_party/googletest/googletest/test/gtest_shuffle_test.py')
| -rwxr-xr-x | third_party/googletest/googletest/test/gtest_shuffle_test.py | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/third_party/googletest/googletest/test/gtest_shuffle_test.py b/third_party/googletest/googletest/test/gtest_shuffle_test.py deleted file mode 100755 index 30d0303..0000000 --- a/third_party/googletest/googletest/test/gtest_shuffle_test.py +++ /dev/null @@ -1,325 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2009 Google Inc. All Rights Reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following disclaimer -# in the documentation and/or other materials provided with the -# distribution. -# * Neither the name of Google Inc. nor the names of its -# contributors may be used to endorse or promote products derived from -# this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -"""Verifies that test shuffling works.""" - -__author__ = 'wan@google.com (Zhanyong Wan)' - -import os -import gtest_test_utils - -# Command to run the gtest_shuffle_test_ program. -COMMAND = gtest_test_utils.GetTestExecutablePath('gtest_shuffle_test_') - -# The environment variables for test sharding. -TOTAL_SHARDS_ENV_VAR = 'GTEST_TOTAL_SHARDS' -SHARD_INDEX_ENV_VAR = 'GTEST_SHARD_INDEX' - -TEST_FILTER = 'A*.A:A*.B:C*' - -ALL_TESTS = [] -ACTIVE_TESTS = [] -FILTERED_TESTS = [] -SHARDED_TESTS = [] - -SHUFFLED_ALL_TESTS = [] -SHUFFLED_ACTIVE_TESTS = [] -SHUFFLED_FILTERED_TESTS = [] -SHUFFLED_SHARDED_TESTS = [] - - -def AlsoRunDisabledTestsFlag(): - return '--gtest_also_run_disabled_tests' - - -def FilterFlag(test_filter): - return '--gtest_filter=%s' % (test_filter,) - - -def RepeatFlag(n): - return '--gtest_repeat=%s' % (n,) - - -def ShuffleFlag(): - return '--gtest_shuffle' - - -def RandomSeedFlag(n): - return '--gtest_random_seed=%s' % (n,) - - -def RunAndReturnOutput(extra_env, args): - """Runs the test program and returns its output.""" - - environ_copy = os.environ.copy() - environ_copy.update(extra_env) - - return gtest_test_utils.Subprocess([COMMAND] + args, env=environ_copy).output - - -def GetTestsForAllIterations(extra_env, args): - """Runs the test program and returns a list of test lists. - - Args: - extra_env: a map from environment variables to their values - args: command line flags to pass to gtest_shuffle_test_ - - Returns: - A list where the i-th element is the list of tests run in the i-th - test iteration. - """ - - test_iterations = [] - for line in RunAndReturnOutput(extra_env, args).split('\n'): - if line.startswith('----'): - tests = [] - test_iterations.append(tests) - elif line.strip(): - tests.append(line.strip()) # 'TestCaseName.TestName' - - return test_iterations - - -def GetTestCases(tests): - """Returns a list of test cases in the given full test names. - - Args: - tests: a list of full test names - - Returns: - A list of test cases from 'tests', in their original order. - Consecutive duplicates are removed. - """ - - test_cases = [] - for test in tests: - test_case = test.split('.')[0] - if not test_case in test_cases: - test_cases.append(test_case) - - return test_cases - - -def CalculateTestLists(): - """Calculates the list of tests run under different flags.""" - - if not ALL_TESTS: - ALL_TESTS.extend( - GetTestsForAllIterations({}, [AlsoRunDisabledTestsFlag()])[0]) - - if not ACTIVE_TESTS: - ACTIVE_TESTS.extend(GetTestsForAllIterations({}, [])[0]) - - if not FILTERED_TESTS: - FILTERED_TESTS.extend( - GetTestsForAllIterations({}, [FilterFlag(TEST_FILTER)])[0]) - - if not SHARDED_TESTS: - SHARDED_TESTS.extend( - GetTestsForAllIterations({TOTAL_SHARDS_ENV_VAR: '3', - SHARD_INDEX_ENV_VAR: '1'}, - [])[0]) - - if not SHUFFLED_ALL_TESTS: - SHUFFLED_ALL_TESTS.extend(GetTestsForAllIterations( - {}, [AlsoRunDisabledTestsFlag(), ShuffleFlag(), RandomSeedFlag(1)])[0]) - - if not SHUFFLED_ACTIVE_TESTS: - SHUFFLED_ACTIVE_TESTS.extend(GetTestsForAllIterations( - {}, [ShuffleFlag(), RandomSeedFlag(1)])[0]) - - if not SHUFFLED_FILTERED_TESTS: - SHUFFLED_FILTERED_TESTS.extend(GetTestsForAllIterations( - {}, [ShuffleFlag(), RandomSeedFlag(1), FilterFlag(TEST_FILTER)])[0]) - - if not SHUFFLED_SHARDED_TESTS: - SHUFFLED_SHARDED_TESTS.extend( - GetTestsForAllIterations({TOTAL_SHARDS_ENV_VAR: '3', - SHARD_INDEX_ENV_VAR: '1'}, - [ShuffleFlag(), RandomSeedFlag(1)])[0]) - - -class GTestShuffleUnitTest(gtest_test_utils.TestCase): - """Tests test shuffling.""" - - def setUp(self): - CalculateTestLists() - - def testShufflePreservesNumberOfTests(self): - self.assertEqual(len(ALL_TESTS), len(SHUFFLED_ALL_TESTS)) - self.assertEqual(len(ACTIVE_TESTS), len(SHUFFLED_ACTIVE_TESTS)) - self.assertEqual(len(FILTERED_TESTS), len(SHUFFLED_FILTERED_TESTS)) - self.assertEqual(len(SHARDED_TESTS), len(SHUFFLED_SHARDED_TESTS)) - - def testShuffleChangesTestOrder(self): - self.assert_(SHUFFLED_ALL_TESTS != ALL_TESTS, SHUFFLED_ALL_TESTS) - self.assert_(SHUFFLED_ACTIVE_TESTS != ACTIVE_TESTS, SHUFFLED_ACTIVE_TESTS) - self.assert_(SHUFFLED_FILTERED_TESTS != FILTERED_TESTS, - SHUFFLED_FILTERED_TESTS) - self.assert_(SHUFFLED_SHARDED_TESTS != SHARDED_TESTS, - SHUFFLED_SHARDED_TESTS) - - def testShuffleChangesTestCaseOrder(self): - self.assert_(GetTestCases(SHUFFLED_ALL_TESTS) != GetTestCases(ALL_TESTS), - GetTestCases(SHUFFLED_ALL_TESTS)) - self.assert_( - GetTestCases(SHUFFLED_ACTIVE_TESTS) != GetTestCases(ACTIVE_TESTS), - GetTestCases(SHUFFLED_ACTIVE_TESTS)) - self.assert_( - GetTestCases(SHUFFLED_FILTERED_TESTS) != GetTestCases(FILTERED_TESTS), - GetTestCases(SHUFFLED_FILTERED_TESTS)) - self.assert_( - GetTestCases(SHUFFLED_SHARDED_TESTS) != GetTestCases(SHARDED_TESTS), - GetTestCases(SHUFFLED_SHARDED_TESTS)) - - def testShuffleDoesNotRepeatTest(self): - for test in SHUFFLED_ALL_TESTS: - self.assertEqual(1, SHUFFLED_ALL_TESTS.count(test), - '%s appears more than once' % (test,)) - for test in SHUFFLED_ACTIVE_TESTS: - self.assertEqual(1, SHUFFLED_ACTIVE_TESTS.count(test), - '%s appears more than once' % (test,)) - for test in SHUFFLED_FILTERED_TESTS: - self.assertEqual(1, SHUFFLED_FILTERED_TESTS.count(test), - '%s appears more than once' % (test,)) - for test in SHUFFLED_SHARDED_TESTS: - self.assertEqual(1, SHUFFLED_SHARDED_TESTS.count(test), - '%s appears more than once' % (test,)) - - def testShuffleDoesNotCreateNewTest(self): - for test in SHUFFLED_ALL_TESTS: - self.assert_(test in ALL_TESTS, '%s is an invalid test' % (test,)) - for test in SHUFFLED_ACTIVE_TESTS: - self.assert_(test in ACTIVE_TESTS, '%s is an invalid test' % (test,)) - for test in SHUFFLED_FILTERED_TESTS: - self.assert_(test in FILTERED_TESTS, '%s is an invalid test' % (test,)) - for test in SHUFFLED_SHARDED_TESTS: - self.assert_(test in SHARDED_TESTS, '%s is an invalid test' % (test,)) - - def testShuffleIncludesAllTests(self): - for test in ALL_TESTS: - self.assert_(test in SHUFFLED_ALL_TESTS, '%s is missing' % (test,)) - for test in ACTIVE_TESTS: - self.assert_(test in SHUFFLED_ACTIVE_TESTS, '%s is missing' % (test,)) - for test in FILTERED_TESTS: - self.assert_(test in SHUFFLED_FILTERED_TESTS, '%s is missing' % (test,)) - for test in SHARDED_TESTS: - self.assert_(test in SHUFFLED_SHARDED_TESTS, '%s is missing' % (test,)) - - def testShuffleLeavesDeathTestsAtFront(self): - non_death_test_found = False - for test in SHUFFLED_ACTIVE_TESTS: - if 'DeathTest.' in test: - self.assert_(not non_death_test_found, - '%s appears after a non-death test' % (test,)) - else: - non_death_test_found = True - - def _VerifyTestCasesDoNotInterleave(self, tests): - test_cases = [] - for test in tests: - [test_case, _] = test.split('.') - if test_cases and test_cases[-1] != test_case: - test_cases.append(test_case) - self.assertEqual(1, test_cases.count(test_case), - 'Test case %s is not grouped together in %s' % - (test_case, tests)) - - def testShuffleDoesNotInterleaveTestCases(self): - self._VerifyTestCasesDoNotInterleave(SHUFFLED_ALL_TESTS) - self._VerifyTestCasesDoNotInterleave(SHUFFLED_ACTIVE_TESTS) - self._VerifyTestCasesDoNotInterleave(SHUFFLED_FILTERED_TESTS) - self._VerifyTestCasesDoNotInterleave(SHUFFLED_SHARDED_TESTS) - - def testShuffleRestoresOrderAfterEachIteration(self): - # Get the test lists in all 3 iterations, using random seed 1, 2, - # and 3 respectively. Google Test picks a different seed in each - # iteration, and this test depends on the current implementation - # picking successive numbers. This dependency is not ideal, but - # makes the test much easier to write. - [tests_in_iteration1, tests_in_iteration2, tests_in_iteration3] = ( - GetTestsForAllIterations( - {}, [ShuffleFlag(), RandomSeedFlag(1), RepeatFlag(3)])) - - # Make sure running the tests with random seed 1 gets the same - # order as in iteration 1 above. - [tests_with_seed1] = GetTestsForAllIterations( - {}, [ShuffleFlag(), RandomSeedFlag(1)]) - self.assertEqual(tests_in_iteration1, tests_with_seed1) - - # Make sure running the tests with random seed 2 gets the same - # order as in iteration 2 above. Success means that Google Test - # correctly restores the test order before re-shuffling at the - # beginning of iteration 2. - [tests_with_seed2] = GetTestsForAllIterations( - {}, [ShuffleFlag(), RandomSeedFlag(2)]) - self.assertEqual(tests_in_iteration2, tests_with_seed2) - - # Make sure running the tests with random seed 3 gets the same - # order as in iteration 3 above. Success means that Google Test - # correctly restores the test order before re-shuffling at the - # beginning of iteration 3. - [tests_with_seed3] = GetTestsForAllIterations( - {}, [ShuffleFlag(), RandomSeedFlag(3)]) - self.assertEqual(tests_in_iteration3, tests_with_seed3) - - def testShuffleGeneratesNewOrderInEachIteration(self): - [tests_in_iteration1, tests_in_iteration2, tests_in_iteration3] = ( - GetTestsForAllIterations( - {}, [ShuffleFlag(), RandomSeedFlag(1), RepeatFlag(3)])) - - self.assert_(tests_in_iteration1 != tests_in_iteration2, - tests_in_iteration1) - self.assert_(tests_in_iteration1 != tests_in_iteration3, - tests_in_iteration1) - self.assert_(tests_in_iteration2 != tests_in_iteration3, - tests_in_iteration2) - - def testShuffleShardedTestsPreservesPartition(self): - # If we run M tests on N shards, the same M tests should be run in - # total, regardless of the random seeds used by the shards. - [tests1] = GetTestsForAllIterations({TOTAL_SHARDS_ENV_VAR: '3', - SHARD_INDEX_ENV_VAR: '0'}, - [ShuffleFlag(), RandomSeedFlag(1)]) - [tests2] = GetTestsForAllIterations({TOTAL_SHARDS_ENV_VAR: '3', - SHARD_INDEX_ENV_VAR: '1'}, - [ShuffleFlag(), RandomSeedFlag(20)]) - [tests3] = GetTestsForAllIterations({TOTAL_SHARDS_ENV_VAR: '3', - SHARD_INDEX_ENV_VAR: '2'}, - [ShuffleFlag(), RandomSeedFlag(25)]) - sorted_sharded_tests = tests1 + tests2 + tests3 - sorted_sharded_tests.sort() - sorted_active_tests = [] - sorted_active_tests.extend(ACTIVE_TESTS) - sorted_active_tests.sort() - self.assertEqual(sorted_active_tests, sorted_sharded_tests) - -if __name__ == '__main__': - gtest_test_utils.Main() |