summaryrefslogtreecommitdiff
path: root/buildscripts/resmoke.py
blob: a9f079d02b1c2790387bd0d7af02a174ffbc8aa5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
#!/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__))))

from buildscripts import resmokelib  # pylint: disable=wrong-import-position


def _execute_suite(suite):  # pylint: disable=too-many-branches,too-many-return-statements
    """Execute the test suite, failing fast if requested.

    Return true if the execution of the suite was interrupted by the
    user, and false otherwise.
    """

    logger = resmokelib.logging.loggers.EXECUTOR_LOGGER

    if resmokelib.config.SHUFFLE:
        logger.info("Shuffling order of tests for %ss in suite %s. The seed is %d.",
                    suite.test_kind, suite.get_display_name(), resmokelib.config.RANDOM_SEED)
        random.seed(resmokelib.config.RANDOM_SEED)
        random.shuffle(suite.tests)

    if resmokelib.config.DRY_RUN == "tests":
        sb = []
        sb.append("Tests that would be run in suite %s:" % suite.get_display_name())
        if suite.tests:
            for test in suite.tests:
                sb.append(test)
        else:
            sb.append("(no tests)")
        logger.info("\n".join(sb))
        sb = []
        sb.append("Tests that would be excluded from suite %s:" % suite.get_display_name())
        if suite.excluded:
            for test in suite.excluded:
                sb.append(test)
        else:
            sb.append("(no tests)")
        logger.info("\n".join(sb))

        # Set a successful return code on the test suite because we want to output the tests
        # that would get run by any other suites the user specified.
        suite.return_code = 0
        return False

    if not suite.tests:
        logger.info("Skipping %ss, no tests to run", suite.test_kind)

        # Set a successful return code on the test suite because we want to output the tests
        # that would get run by any other suites the user specified.
        suite.return_code = 0
        return False

    archive = None
    if resmokelib.config.ARCHIVE_FILE:
        archive = resmokelib.utils.archival.Archival(
            archival_json_file=resmokelib.config.ARCHIVE_FILE,
            limit_size_mb=resmokelib.config.ARCHIVE_LIMIT_MB,
            limit_files=resmokelib.config.ARCHIVE_LIMIT_TESTS, logger=logger)

    executor_config = suite.get_executor_config()
    executor = resmokelib.testing.executor.TestSuiteExecutor(
        logger, suite, archive_instance=archive, **executor_config)

    try:
        executor.run()
        if suite.options.fail_fast and suite.return_code != 0:
            return False
    except resmokelib.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
        logger.exception("Encountered an error when running %ss of suite %s.", suite.test_kind,
                         suite.get_display_name())
        suite.return_code = 2
        return False
    finally:
        if archive:
            archive.exit()
    return True


def _log_summary(logger, suites, time_taken):
    if len(suites) > 1:
        resmokelib.testing.suite.Suite.log_summaries(logger, suites, time_taken)


def _summarize_suite(suite):
    sb = []
    suite.summarize(sb)
    return "\n".join(sb)


def _dump_suite_config(suite, logging_config):
    """Return a string that represents the YAML configuration of a suite.

    TODO: include the "options" key in the result
    """

    sb = []
    sb.append("YAML configuration of suite %s" % (suite.get_display_name()))
    sb.append(resmokelib.utils.dump_yaml({"test_kind": suite.get_test_kind_config()}))
    sb.append("")
    sb.append(resmokelib.utils.dump_yaml({"selector": suite.get_selector_config()}))
    sb.append("")
    sb.append(resmokelib.utils.dump_yaml({"executor": suite.get_executor_config()}))
    sb.append("")
    sb.append(resmokelib.utils.dump_yaml({"logging": logging_config}))
    return "\n".join(sb)


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 = resmokelib.suitesconfig.create_test_membership_map()
    for suite in suites:
        for test in suite.tests:
            memberships[test] = test_membership[test]
    return memberships


def _list_suites_and_exit(logger, exit_code=0):
    suite_names = resmokelib.suitesconfig.get_named_suites()
    logger.info("Suites available to execute:\n%s", "\n".join(suite_names))
    sys.exit(exit_code)


class Main(object):
    """A class for executing potentially multiple resmoke.py test suites."""

    def __init__(self):
        """Initialize the Main instance by parsing the command line arguments."""

        self.__start_time = time.time()

        values, args = resmokelib.parser.parse_command_line()
        self.__values = values
        self.__args = args

    def _get_suites(self):
        """Return a list of resmokelib.testing.suite.Suite instances to execute."""

        return resmokelib.suitesconfig.get_suites(
            suite_files=self.__values.suite_files.split(","), test_files=self.__args)

    def run(self):
        """Execute the list of resmokelib.testing.suite.Suite instances."""

        logging_config = resmokelib.parser.get_logging_config(self.__values)
        resmokelib.logging.loggers.configure_loggers(logging_config)
        resmokelib.logging.flush.start_thread()

        resmokelib.parser.update_config_vars(self.__values)

        exec_logger = resmokelib.logging.loggers.EXECUTOR_LOGGER
        resmoke_logger = exec_logger.new_resmoke_logger()

        if self.__values.list_suites:
            _list_suites_and_exit(resmoke_logger)

        # Log the command line arguments specified to resmoke.py to make it easier to re-run the
        # resmoke.py invocation used by an Evergreen task.
        resmoke_logger.info("resmoke.py invocation: %s", " ".join(sys.argv))

        interrupted = False
        try:
            suites = self._get_suites()
        except resmokelib.errors.SuiteNotFound as err:
            resmoke_logger.error("Failed to parse YAML suite definition: %s", str(err))
            _list_suites_and_exit(resmoke_logger, exit_code=1)

        # Register a signal handler or Windows event object so we can write the report file if the
        # task times out.
        resmokelib.sighandler.register(resmoke_logger, suites, self.__start_time)

        # Run the suite finder after the test suite parsing is complete.
        if self.__values.find_suites:
            suites_by_test = find_suites_by_test(suites)
            for test in sorted(suites_by_test):
                suite_names = suites_by_test[test]
                resmoke_logger.info("%s will be run by the following suite(s): %s", test,
                                    suite_names)
            sys.exit(0)

        try:
            for suite in suites:
                resmoke_logger.info(_dump_suite_config(suite, logging_config))

                suite.record_suite_start()
                interrupted = _execute_suite(suite)
                suite.record_suite_end()

                resmoke_logger.info("=" * 80)
                resmoke_logger.info("Summary of %s suite: %s", suite.get_display_name(),
                                    _summarize_suite(suite))

                if interrupted or (suite.options.fail_fast and suite.return_code != 0):
                    time_taken = time.time() - self.__start_time
                    _log_summary(resmoke_logger, suites, time_taken)
                    sys.exit(suite.return_code)

            time_taken = time.time() - self.__start_time
            _log_summary(resmoke_logger, suites, time_taken)

            # Exit with a nonzero code if any of the suites failed.
            exit_code = max(suite.return_code for suite in suites)
            sys.exit(exit_code)
        finally:
            if not interrupted:
                resmokelib.logging.flush.stop_thread()

            resmokelib.reportfile.write(suites)


if __name__ == "__main__":
    Main().run()