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validate: Add a mecanism to rerun failling tests
And add a way to mark some 'flakes' as tolerated
This commit is contained in:
Thibault Saunier
Thibault Saunier
parent
520c2102cc
commit
92f1979ec9
2 changed files with 72 additions and 23 deletions
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@ -124,6 +124,7 @@ class Test(Loggable):
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# String representation of the test number in the testsuite
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self.number = ""
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self.workdir = workdir
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self.allow_flakiness = False
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self.clean()
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@ -227,6 +228,7 @@ class Test(Loggable):
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def close_logfile(self):
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if not self.options.redirect_logs:
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self.out.flush()
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self.out.close()
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self.out = None
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@ -612,7 +614,17 @@ class Test(Loggable):
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for logfile in self.extra_logfiles:
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self._dump_log_file(logfile)
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def test_end(self):
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def copy_logfiles(self, extra_folder="flaky_tests"):
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path = os.path.dirname(os.path.join(self.options.logsdir, extra_folder,
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self.classname.replace(".", os.sep)))
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mkdir(path)
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self.logfile = shutil.copy(self.logfile, path)
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extra_logs = []
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for logfile in self.extra_logfiles:
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extra_logs.append(shutil.copy(logfile, path))
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self.extra_logfiles = extra_logs
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def test_end(self, retry_on_failure=False):
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self.kill_subprocess()
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self.thread.join()
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self.time_taken = time.time() - self._starting_time
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@ -620,15 +632,17 @@ class Test(Loggable):
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if self.options.gdb:
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signal.signal(signal.SIGINT, self.previous_sigint_handler)
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message = None
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end = "\n"
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if self.result != Result.PASSED:
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message = str(self)
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end = "\n"
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if not retry_on_failure:
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message = str(self)
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end = "\n"
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else:
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message = "%s %s: %s%s" % (self.number, self.classname, self.result,
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" (" + self.message + ")" if self.message else "")
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end = "\r"
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if not is_tty():
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message = None
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if is_tty():
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message = "%s %s: %s%s" % (self.number, self.classname, self.result,
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" (" + self.message + ")" if self.message else "")
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end = "\r"
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if message is not None:
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printc(message, color=utils.get_color_for_result(
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@ -1303,9 +1317,13 @@ class TestsManager(Loggable):
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tests_regexes.append(regex)
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for test in self.tests:
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if regex.findall(test.classname):
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test.expected_issues.extend(failure_def['issues'])
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self.debug("%s added expected issues from %s" % (
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test.classname, bugid))
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if failure_def.get('allow_flakiness'):
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test.allow_flakiness = True
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self.debug("%s allow flakyness" % (test.classname))
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else:
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test.expected_issues.extend(failure_def['issues'])
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self.debug("%s added expected issues from %s" % (
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test.classname, bugid))
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failure_def['tests'] = tests_regexes
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self.expected_issues.update(expected_issues)
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@ -1317,9 +1335,13 @@ class TestsManager(Loggable):
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for bugid, failure_def in list(self.expected_issues.items()):
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for regex in failure_def['tests']:
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if regex.findall(test.classname):
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test.expected_issues.extend(failure_def['issues'])
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self.debug("%s added expected issues from %s" % (
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test.classname, bugid))
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if failure_def.get('allow_flakiness'):
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test.allow_flakiness = True
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self.debug("%s allow flakyness" % (test.classname))
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else:
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test.expected_issues.extend(failure_def['issues'])
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self.debug("%s added expected issues from %s" % (
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test.classname, bugid))
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if self._is_test_wanted(test):
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if test not in self.tests:
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@ -1874,9 +1896,13 @@ class _TestsLauncher(Loggable):
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return True
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def _run_tests(self):
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def _run_tests(self, running_tests=None, all_alone=False, retry_on_failures=False):
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if not self.all_tests:
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self.all_tests = self.list_tests()
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if not running_tests:
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running_tests = self.tests
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self.total_num_tests = len(self.all_tests)
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if not is_tty():
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printc("\nRunning %d tests..." % self.total_num_tests, color=Colors.HEADER)
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@ -1884,8 +1910,8 @@ class _TestsLauncher(Loggable):
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self.reporter.init_timer()
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alone_tests = []
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tests = []
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for test in self.tests:
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if test.is_parallel:
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for test in running_tests:
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if test.is_parallel and not all_alone:
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tests.append(test)
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else:
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alone_tests.append(test)
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@ -1900,6 +1926,7 @@ class _TestsLauncher(Loggable):
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random.shuffle(alone_tests)
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current_test_num = 1
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to_retry = []
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for num_jobs, tests in [(max_num_jobs, tests), (1, alone_tests)]:
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tests_left = list(tests)
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for i in range(num_jobs):
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@ -1913,14 +1940,33 @@ class _TestsLauncher(Loggable):
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test.number = "[%d / %d] " % (current_test_num,
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self.total_num_tests)
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current_test_num += 1
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res = test.test_end()
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self.reporter.after_test(test)
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if res != Result.PASSED and (self.options.forever
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or self.options.fatal_error):
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return False
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res = test.test_end(retry_on_failure=retry_on_failures)
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to_report = True
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if res != Result.PASSED:
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if self.options.forever or self.options.fatal_error:
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return False
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if retry_on_failures:
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if not self.options.redirect_logs:
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test.copy_logfiles()
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printc(test)
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test.clean()
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to_retry.append(test)
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# Not adding to final report if flakiness is tolerated
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to_report = not test.allow_flakiness
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if to_report:
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self.reporter.after_test(test)
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if self.start_new_job(tests_left):
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jobs_running += 1
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if to_retry:
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printc("--> Rerunning the following tests to see if they are flaky:", Colors.WARNING)
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for test in to_retry:
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printc(' * %s' % test.classname)
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printc('')
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return self._run_tests(to_retry, all_alone=True, retry_on_failures=False)
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return True
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def clean_tests(self):
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@ -1957,7 +2003,7 @@ class _TestsLauncher(Loggable):
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return res
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else:
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return self._run_tests()
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return self._run_tests(retry_on_failures=self.options.retry_on_failures)
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finally:
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if self.httpsrv:
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self.httpsrv.stop()
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@ -223,6 +223,7 @@ class LauncherConfig(Loggable):
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self.force_sync = False
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self.sync_all = False
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self.check_bugs_status = False
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self.retry_on_failures = False
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def cleanup(self):
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"""
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@ -480,6 +481,8 @@ class LauncherConfig(Loggable):
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help="Runs the test in a random order. Can help speed up the overall"
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" test time by running synchronized and unsynchronized tests"
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" at the same time")
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parser.add_argument('--retry-on-failures', dest="retry_on_failures", action="store_true",
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help="Re-try tests that produce unexpected results")
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dir_group = parser.add_argument_group(
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"Directories and files to be used by the launcher")
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dir_group.add_argument("-M", "--main-dir", dest="main_dir",
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