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How to use before_hook method in autotest

Best Python code snippet using autotest_python
test_unittest.py
Source:test_unittest.py
1#!/usr/bin/python2#pylint: disable-msg=C01113"""Unit Tests for autotest.client.common_lib.test"""4__author__ = 'gps@google.com (Gregory P. Smith)'5import unittest6import common7from autotest_lib.client.common_lib import test8from autotest_lib.client.common_lib.test_utils import mock9from autotest_lib.client.common_lib import error as common_lib_error10class TestTestCase(unittest.TestCase):11    class _neutered_base_test(test.base_test):12        """A child class of base_test to avoid calling the constructor."""13        def __init__(self, *args, **kwargs):14            class MockJob(object):15                pass16            class MockProfilerManager(object):17                def active(self):18                    return False19                def present(self):20                    return True21            self.job = MockJob()22            self.job.default_profile_only = False23            self.job.profilers = MockProfilerManager()24            self.job.test_retry = 025            self._new_keyval = False26            self.iteration = 027            self.before_iteration_hooks = []28            self.after_iteration_hooks = []29    def setUp(self):30        self.god = mock.mock_god()31        self.test = self._neutered_base_test()32    def tearDown(self):33        self.god.unstub_all()34class Test_base_test_execute(TestTestCase):35    # Test the various behaviors of the base_test.execute() method.36    def setUp(self):37        TestTestCase.setUp(self)38        self.god.stub_function(self.test, 'run_once_profiling')39        self.god.stub_function(self.test, 'postprocess')40        self.god.stub_function(self.test, 'process_failed_constraints')41    def test_call_run_once(self):42        # setup43        self.god.stub_function(self.test, 'drop_caches_between_iterations')44        self.god.stub_function(self.test, 'run_once')45        self.god.stub_function(self.test, 'postprocess_iteration')46        self.god.stub_function(self.test, 'analyze_perf_constraints')47        before_hook = self.god.create_mock_function('before_hook')48        after_hook = self.god.create_mock_function('after_hook')49        self.test.register_before_iteration_hook(before_hook)50        self.test.register_after_iteration_hook(after_hook)51        # tests the test._call_run_once implementation52        self.test.drop_caches_between_iterations.expect_call()53        before_hook.expect_call(self.test)54        self.test.run_once.expect_call(1, 2, arg='val')55        self.test.postprocess_iteration.expect_call()56        self.test.analyze_perf_constraints.expect_call([])57        after_hook.expect_call(self.test)58        self.test._call_run_once([], False, None, (1, 2), {'arg': 'val'})59        self.god.check_playback()60    def test_call_run_once_with_exception(self):61        # setup62        self.god.stub_function(self.test, 'drop_caches_between_iterations')63        self.god.stub_function(self.test, 'run_once')64        before_hook = self.god.create_mock_function('before_hook')65        after_hook = self.god.create_mock_function('after_hook')66        self.test.register_before_iteration_hook(before_hook)67        self.test.register_after_iteration_hook(after_hook)68        error = Exception('fail')69        # tests the test._call_run_once implementation70        self.test.drop_caches_between_iterations.expect_call()71        before_hook.expect_call(self.test)72        self.test.run_once.expect_call(1, 2, arg='val').and_raises(error)73        after_hook.expect_call(self.test)74        try:75            self.test._call_run_once([], False, None, (1, 2), {'arg': 'val'})76        except:77            pass78        self.god.check_playback()79    def _setup_failed_test_calls(self, fail_count, error):80        """81        Set up failed test calls for use with call_run_once_with_retry.82        @param fail_count: The amount of times to mock a failure.83        @param error: The error to raise while failing.84        """85        self.god.stub_function(self.test.job, 'record')86        self.god.stub_function(self.test, '_call_run_once')87        # tests the test._call_run_once implementation88        for run in xrange(0, fail_count):89            self.test._call_run_once.expect_call([], False, None, (1, 2),90                                                 {'arg': 'val'}).and_raises(91                                                          error)92            info_str = 'Run %s failed with %s' % (run, error)93            # On the final run we do not emit this message.94            if run != self.test.job.test_retry and isinstance(error,95                                               common_lib_error.TestFailRetry):96                self.test.job.record.expect_call('INFO', None, None, info_str)97    def test_call_run_once_with_retry_exception(self):98        """99        Test call_run_once_with_retry duplicating a test that will always fail.100        """101        self.test.job.test_retry = 5102        self.god.stub_function(self.test, 'drop_caches_between_iterations')103        self.god.stub_function(self.test, 'run_once')104        before_hook = self.god.create_mock_function('before_hook')105        after_hook = self.god.create_mock_function('after_hook')106        self.test.register_before_iteration_hook(before_hook)107        self.test.register_after_iteration_hook(after_hook)108        error = common_lib_error.TestFailRetry('fail')109        self._setup_failed_test_calls(self.test.job.test_retry+1, error)110        try:111            self.test._call_run_once_with_retry([], False, None, (1, 2),112                                                {'arg': 'val'})113        except Exception as err:114            if err != error:115                raise116        self.god.check_playback()117    def test_call_run_once_with_retry_exception_unretryable(self):118        """119        Test call_run_once_with_retry duplicating a test that will always fail120        with a non-retryable exception.121        """122        self.test.job.test_retry = 5123        self.god.stub_function(self.test, 'drop_caches_between_iterations')124        self.god.stub_function(self.test, 'run_once')125        before_hook = self.god.create_mock_function('before_hook')126        after_hook = self.god.create_mock_function('after_hook')127        self.test.register_before_iteration_hook(before_hook)128        self.test.register_after_iteration_hook(after_hook)129        error = common_lib_error.TestFail('fail')130        self._setup_failed_test_calls(1, error)131        try:132            self.test._call_run_once_with_retry([], False, None, (1, 2),133                                                {'arg': 'val'})134        except Exception as err:135            if err != error:136                raise137        self.god.check_playback()138    def test_call_run_once_with_retry_exception_and_pass(self):139        """140        Test call_run_once_with_retry duplicating a test that fails at first141        and later passes.142        """143        # Stubbed out for the write_keyval call.144        self.test.outputdir = '/tmp'145        self.test.job._tap = None146        num_to_fail = 2147        self.test.job.test_retry = 5148        self.god.stub_function(self.test, 'drop_caches_between_iterations')149        self.god.stub_function(self.test, 'run_once')150        before_hook = self.god.create_mock_function('before_hook')151        after_hook = self.god.create_mock_function('after_hook')152        self.god.stub_function(self.test, '_call_run_once')153        self.test.register_before_iteration_hook(before_hook)154        self.test.register_after_iteration_hook(after_hook)155        self.god.stub_function(self.test.job, 'record')156        # tests the test._call_run_once implementation157        error = common_lib_error.TestFailRetry('fail')158        self._setup_failed_test_calls(num_to_fail, error)159        # Passing call160        self.test._call_run_once.expect_call([], False, None, (1, 2),161                                             {'arg': 'val'})162        self.test._call_run_once_with_retry([], False, None, (1, 2),163                                            {'arg': 'val'})164        self.god.check_playback()165    def _expect_call_run_once(self):166        self.test._call_run_once.expect_call((), False, None, (), {})167    def test_execute_test_length(self):168        # test that test_length overrides iterations and works.169        self.god.stub_function(self.test, '_call_run_once')170        self._expect_call_run_once()171        self._expect_call_run_once()172        self._expect_call_run_once()173        self.test.run_once_profiling.expect_call(None)174        self.test.postprocess.expect_call()175        self.test.process_failed_constraints.expect_call()176        fake_time = iter(xrange(4)).next177        self.test.execute(iterations=1, test_length=3, _get_time=fake_time)178        self.god.check_playback()179    def test_execute_iterations(self):180        # test that iterations works.181        self.god.stub_function(self.test, '_call_run_once')182        iterations = 2183        for _ in range(iterations):184            self._expect_call_run_once()185        self.test.run_once_profiling.expect_call(None)186        self.test.postprocess.expect_call()187        self.test.process_failed_constraints.expect_call()188        self.test.execute(iterations=iterations)189        self.god.check_playback()190    def _mock_calls_for_execute_no_iterations(self):191        self.test.run_once_profiling.expect_call(None)192        self.test.postprocess.expect_call()193        self.test.process_failed_constraints.expect_call()194    def test_execute_iteration_zero(self):195        # test that iterations=0 works.196        self._mock_calls_for_execute_no_iterations()197        self.test.execute(iterations=0)198        self.god.check_playback()199    def test_execute_profile_only(self):200        # test that profile_only=True works.201        self.god.stub_function(self.test, 'drop_caches_between_iterations')202        self.test.drop_caches_between_iterations.expect_call()203        self.test.run_once_profiling.expect_call(None)204        self.test.drop_caches_between_iterations.expect_call()205        self.test.run_once_profiling.expect_call(None)206        self.test.postprocess.expect_call()207        self.test.process_failed_constraints.expect_call()208        self.test.execute(profile_only=True, iterations=2)209        self.god.check_playback()210    def test_execute_default_profile_only(self):211        # test that profile_only=True works.212        self.god.stub_function(self.test, 'drop_caches_between_iterations')213        for _ in xrange(3):214            self.test.drop_caches_between_iterations.expect_call()215            self.test.run_once_profiling.expect_call(None)216        self.test.postprocess.expect_call()217        self.test.process_failed_constraints.expect_call()218        self.test.job.default_profile_only = True219        self.test.execute(iterations=3)220        self.god.check_playback()221    def test_execute_postprocess_profiled_false(self):222        # test that postprocess_profiled_run=False works223        self.god.stub_function(self.test, '_call_run_once')224        self.test._call_run_once.expect_call((), False, False, (), {})225        self.test.run_once_profiling.expect_call(False)226        self.test.postprocess.expect_call()227        self.test.process_failed_constraints.expect_call()228        self.test.execute(postprocess_profiled_run=False, iterations=1)229        self.god.check_playback()230    def test_execute_postprocess_profiled_true(self):231        # test that postprocess_profiled_run=True works232        self.god.stub_function(self.test, '_call_run_once')233        self.test._call_run_once.expect_call((), False, True, (), {})234        self.test.run_once_profiling.expect_call(True)235        self.test.postprocess.expect_call()236        self.test.process_failed_constraints.expect_call()237        self.test.execute(postprocess_profiled_run=True, iterations=1)238        self.god.check_playback()239if __name__ == '__main__':...
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