#!/usr/bin/env python """Command line utility for executing MongoDB tests of all kinds.""" from __future__ import absolute_import import os.path import random import sys import time # Get relative imports to work when the package is not installed on the PYTHONPATH. if __name__ == "__main__" and __package__ is None: sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) # pylint: disable=wrong-import-position from buildscripts.resmokelib import config from buildscripts.resmokelib import errors from buildscripts.resmokelib import logging from buildscripts.resmokelib import parser from buildscripts.resmokelib import reportfile from buildscripts.resmokelib import sighandler from buildscripts.resmokelib import suitesconfig from buildscripts.resmokelib import testing from buildscripts.resmokelib import utils class Resmoke(object): """The main class to run tests with resmoke.""" def __init__(self): """Initialize the Resmoke instance.""" self.__start_time = time.time() self._config = None self._exec_logger = None self._resmoke_logger = None self._archive = None self._interrupted = False def configure_from_command_line(self): """Configure this instance using the command line arguments.""" self._config = parser.parse_command_line() def _setup_logging(self): logging.loggers.configure_loggers(self._config.logging_config) logging.flush.start_thread() self._exec_logger = logging.loggers.EXECUTOR_LOGGER self._resmoke_logger = self._exec_logger.new_resmoke_logger() def run(self): """Run resmoke.""" if self._config is None: raise RuntimeError("Resmoke must be configured before calling run()") self._setup_logging() try: if self._config.list_suites: self.list_suites() elif self._config.find_suites: self.find_suites() elif self._config.dry_run == "tests": self.dry_run() else: self.run_tests() finally: if not self._interrupted: logging.flush.stop_thread() def list_suites(self): """List the suites that are available to execute.""" suite_names = suitesconfig.get_named_suites() self._resmoke_logger.info("Suites available to execute:\n%s", "\n".join(suite_names)) def find_suites(self): """List the suites that run the specified tests.""" suites = self._get_suites() suites_by_test = self._find_suites_by_test(suites) for test in sorted(suites_by_test): suite_names = suites_by_test[test] self._resmoke_logger.info("%s will be run by the following suite(s): %s", test, suite_names) @staticmethod def _find_suites_by_test(suites): """ Look up what other resmoke suites run the tests specified in the suites parameter. Return a dict keyed by test name, value is array of suite names. """ memberships = {} test_membership = suitesconfig.create_test_membership_map() for suite in suites: for test in suite.tests: memberships[test] = test_membership[test] return memberships def dry_run(self): """List which tests would run and which tests would be excluded in a resmoke invocation.""" suites = self._get_suites() for suite in suites: self._shuffle_tests(suite) sb = ["Tests that would be run in suite {}".format(suite.get_display_name())] sb.extend(suite.tests or ["(no tests)"]) sb.append("Tests that would be excluded from suite {}".format(suite.get_display_name())) sb.extend(suite.excluded or ["(no tests)"]) self._exec_logger.info("\n".join(sb)) def run_tests(self): """Run the suite and tests specified.""" self._resmoke_logger.info("resmoke.py invocation: %s", " ".join(sys.argv)) suites = None try: suites = self._get_suites() self._setup_archival() self._setup_signal_handler(suites) for suite in suites: self._interrupted = self._run_suite(suite) if self._interrupted or (suite.options.fail_fast and suite.return_code != 0): self._log_resmoke_summary(suites) self.exit(suite.return_code) self._log_resmoke_summary(suites) # Exit with a nonzero code if any of the suites failed. exit_code = max(suite.return_code for suite in suites) self.exit(exit_code) finally: if not self._interrupted: self._exit_archival() if suites: reportfile.write(suites) def _run_suite(self, suite): """Run a test suite.""" self._log_suite_config(suite) suite.record_suite_start() interrupted = self._execute_suite(suite) suite.record_suite_end() self._log_suite_summary(suite) return interrupted def _log_resmoke_summary(self, suites): """Log a summary of the resmoke run.""" time_taken = time.time() - self.__start_time if len(self._config.suite_files) > 1: testing.suite.Suite.log_summaries(self._resmoke_logger, suites, time_taken) def _log_suite_summary(self, suite): """Log a summary of the suite run.""" self._resmoke_logger.info("=" * 80) self._resmoke_logger.info("Summary of %s suite: %s", suite.get_display_name(), self._get_suite_summary(suite)) def _execute_suite(self, suite): """Execute a suite and return True if interrupted, False otherwise.""" self._shuffle_tests(suite) if not suite.tests: self._exec_logger.info("Skipping %s, no tests to run", suite.test_kind) suite.return_code = 0 return False executor_config = suite.get_executor_config() executor = testing.executor.TestSuiteExecutor( self._exec_logger, suite, archive_instance=self._archive, **executor_config) try: executor.run() except errors.UserInterrupt: suite.return_code = 130 # Simulate SIGINT as exit code. return True except IOError: suite.return_code = 74 # Exit code for IOError on POSIX systems. return True except: # pylint: disable=bare-except self._exec_logger.exception("Encountered an error when running %ss of suite %s.", suite.test_kind, suite.get_display_name()) suite.return_code = 2 return False return False def _shuffle_tests(self, suite): """Shuffle the tests if the shuffle cli option was set.""" random.seed(config.RANDOM_SEED) if not config.SHUFFLE: return self._exec_logger.info("Shuffling order of tests for %ss in suite %s. The seed is %d.", suite.test_kind, suite.get_display_name(), config.RANDOM_SEED) random.shuffle(suite.tests) def _get_suites(self): """Return the list of suites for this resmoke invocation.""" try: return suitesconfig.get_suites(self._config.suite_files, self._config.test_files) except errors.SuiteNotFound as err: self._resmoke_logger.error("Failed to parse YAML suite definition: %s", str(err)) self.list_suites() self.exit(1) def _log_suite_config(self, suite): sb = [ "YAML configuration of suite {}".format(suite.get_display_name()), utils.dump_yaml({"test_kind": suite.get_test_kind_config()}), "", utils.dump_yaml({"selector": suite.get_selector_config()}), "", utils.dump_yaml({"executor": suite.get_executor_config()}), "", utils.dump_yaml({"logging": self._config.logging_config}) ] self._resmoke_logger.info("\n".join(sb)) @staticmethod def _get_suite_summary(suite): """Return a summary of the suite run.""" sb = [] suite.summarize(sb) return "\n".join(sb) def _setup_signal_handler(self, suites): """Set up a SIGUSR1 signal handler that logs a test result summary and a thread dump.""" sighandler.register(self._resmoke_logger, suites, self.__start_time) def _setup_archival(self): """Set up the archival feature if enabled in the cli options.""" if config.ARCHIVE_FILE: self._archive = utils.archival.Archival( archival_json_file=config.ARCHIVE_FILE, limit_size_mb=config.ARCHIVE_LIMIT_MB, limit_files=config.ARCHIVE_LIMIT_TESTS, logger=self._exec_logger) def _exit_archival(self): """Finish up archival tasks before exit if enabled in the cli options.""" if self._archive: self._archive.exit() def exit(self, exit_code): """Exit with the provided exit code.""" self._resmoke_logger.info("Exiting with code: %d", exit_code) sys.exit(exit_code) def main(): """Execute Main function for resmoke.""" resmoke = Resmoke() resmoke.configure_from_command_line() resmoke.run() if __name__ == "__main__": main()