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How to use drop_caches_between_iterations method in autotest

Best Python code snippet using autotest_python

test_unittest.py

Source:test_unittest.py

1#!/usr/bin/python2"""Unit Tests for autotest.client.common_lib.test"""3__author__ = 'gps@google.com (Gregory P. Smith)'4import unittest5from cStringIO import StringIO6import common7from autotest_lib.client.common_lib import error, test8from autotest_lib.client.common_lib.test_utils import mock9class TestTestCase(unittest.TestCase):10    class _neutered_base_test(test.base_test):11        """A child class of base_test to avoid calling the constructor."""12        def __init__(self, *args, **kwargs):13            class MockJob(object):14                pass15            class MockProfilerManager(object):16                def active(self):17                    return False18                def present(self):19                    return True20            self.job = MockJob()21            self.job.default_profile_only = False22            self.job.profilers = MockProfilerManager()23            self._new_keyval = False24            self.iteration = 025            self.before_iteration_hooks = []26            self.after_iteration_hooks = []27    def setUp(self):28        self.god = mock.mock_god()29        self.test = self._neutered_base_test()30    def tearDown(self):31        self.god.unstub_all()32class Test_base_test_execute(TestTestCase):33    # Test the various behaviors of the base_test.execute() method.34    def setUp(self):35        TestTestCase.setUp(self)36        self.god.stub_function(self.test, 'run_once_profiling')37        self.god.stub_function(self.test, 'postprocess')38        self.god.stub_function(self.test, 'process_failed_constraints')39    def test_call_run_once(self):40        # setup41        self.god.stub_function(self.test, 'drop_caches_between_iterations')42        self.god.stub_function(self.test, 'run_once')43        self.god.stub_function(self.test, 'postprocess_iteration')44        self.god.stub_function(self.test, 'analyze_perf_constraints')45        before_hook = self.god.create_mock_function('before_hook')46        after_hook = self.god.create_mock_function('after_hook')47        self.test.register_before_iteration_hook(before_hook)48        self.test.register_after_iteration_hook(after_hook)49        # tests the test._call_run_once implementation50        self.test.drop_caches_between_iterations.expect_call()51        before_hook.expect_call(self.test)52        self.test.run_once.expect_call(1, 2, arg='val')53        self.test.postprocess_iteration.expect_call()54        self.test.analyze_perf_constraints.expect_call([])55        after_hook.expect_call(self.test)56        self.test._call_run_once([], False, None, (1, 2), {'arg': 'val'})57        self.god.check_playback()58    def test_call_run_once_with_exception(self):59        # setup60        self.god.stub_function(self.test, 'drop_caches_between_iterations')61        self.god.stub_function(self.test, 'run_once')62        before_hook = self.god.create_mock_function('before_hook')63        after_hook = self.god.create_mock_function('after_hook')64        self.test.register_before_iteration_hook(before_hook)65        self.test.register_after_iteration_hook(after_hook)66        error = Exception('fail')67        # tests the test._call_run_once implementation68        self.test.drop_caches_between_iterations.expect_call()69        before_hook.expect_call(self.test)70        self.test.run_once.expect_call(1, 2, arg='val').and_raises(error)71        after_hook.expect_call(self.test)72        try:73            self.test._call_run_once([], False, None, (1, 2), {'arg': 'val'})74        except:75            pass76        self.god.check_playback()77    def _expect_call_run_once(self):78        self.test._call_run_once.expect_call((), False, None, (), {})79    def test_execute_test_length(self):80        # test that test_length overrides iterations and works.81        self.god.stub_function(self.test, '_call_run_once')82        self._expect_call_run_once()83        self._expect_call_run_once()84        self._expect_call_run_once()85        self.test.run_once_profiling.expect_call(None)86        self.test.postprocess.expect_call()87        self.test.process_failed_constraints.expect_call()88        fake_time = iter(xrange(4)).next89        self.test.execute(iterations=1, test_length=3, _get_time=fake_time)90        self.god.check_playback()91    def test_execute_iterations(self):92        # test that iterations works.93        self.god.stub_function(self.test, '_call_run_once')94        iterations = 295        for _ in range(iterations):96            self._expect_call_run_once()97        self.test.run_once_profiling.expect_call(None)98        self.test.postprocess.expect_call()99        self.test.process_failed_constraints.expect_call()100        self.test.execute(iterations=iterations)101        self.god.check_playback()102    def _mock_calls_for_execute_no_iterations(self):103        self.test.run_once_profiling.expect_call(None)104        self.test.postprocess.expect_call()105        self.test.process_failed_constraints.expect_call()106    def test_execute_iteration_zero(self):107        # test that iterations=0 works.108        self._mock_calls_for_execute_no_iterations()109        self.test.execute(iterations=0)110        self.god.check_playback()111    def test_execute_profile_only(self):112        # test that profile_only=True works.113        self.god.stub_function(self.test, 'drop_caches_between_iterations')114        self.test.drop_caches_between_iterations.expect_call()115        self.test.run_once_profiling.expect_call(None)116        self.test.drop_caches_between_iterations.expect_call()117        self.test.run_once_profiling.expect_call(None)118        self.test.postprocess.expect_call()119        self.test.process_failed_constraints.expect_call()120        self.test.execute(profile_only=True, iterations=2)121        self.god.check_playback()122    def test_execute_default_profile_only(self):123        # test that profile_only=True works.124        self.god.stub_function(self.test, 'drop_caches_between_iterations')125        for _ in xrange(3):126            self.test.drop_caches_between_iterations.expect_call()127            self.test.run_once_profiling.expect_call(None)128        self.test.postprocess.expect_call()129        self.test.process_failed_constraints.expect_call()130        self.test.job.default_profile_only = True131        self.test.execute(iterations=3)132        self.god.check_playback()133    def test_execute_postprocess_profiled_false(self):134        # test that postprocess_profiled_run=False works135        self.god.stub_function(self.test, '_call_run_once')136        self.test._call_run_once.expect_call((), False, False, (), {})137        self.test.run_once_profiling.expect_call(False)138        self.test.postprocess.expect_call()139        self.test.process_failed_constraints.expect_call()140        self.test.execute(postprocess_profiled_run=False, iterations=1)141        self.god.check_playback()142    def test_execute_postprocess_profiled_true(self):143        # test that postprocess_profiled_run=True works144        self.god.stub_function(self.test, '_call_run_once')145        self.test._call_run_once.expect_call((), False, True, (), {})146        self.test.run_once_profiling.expect_call(True)147        self.test.postprocess.expect_call()148        self.test.process_failed_constraints.expect_call()149        self.test.execute(postprocess_profiled_run=True, iterations=1)150        self.god.check_playback()151if __name__ == '__main__':...

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