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How to use _test_molotov method in Molotov

Best Python code snippet using molotov_python
test_run.py
Source:test_run.py
...106    @dedicatedloop107    def test_main(self):108        with set_args("molotov", "-cq", "-d", "1", "molotov/tests/example.py"):109            main()110    def _test_molotov(self, *args):111        if "--duration" not in args and "-d" not in args:112            args = list(args) + ["--duration", "10"]113        rc = 0114        with set_args("molotov", *args) as (stdout, stderr):115            try:116                main()117            except SystemExit as e:118                rc = e.code119        return stdout.read().strip(), stderr.read().strip(), rc120    @dedicatedloop121    def test_version(self):122        stdout, stderr, rc = self._test_molotov("--version")123        self.assertEqual(stdout, __version__)124    @dedicatedloop125    def test_empty_scenario(self):126        stdout, stderr, rc = self._test_molotov("")127        self.assertTrue("Cannot import" in stdout)128    @dedicatedloop129    def test_config_no_scenario(self):130        stdout, stderr, rc = self._test_molotov("-c", "--config", _CONFIG, "DONTEXIST")131        wanted = "Can't find 'DONTEXIST' in the config"132        self.assertTrue(wanted in stdout)133    @dedicatedloop134    def test_config_verbose_quiet(self):135        stdout, stderr, rc = self._test_molotov("-qv", "--config", _CONFIG)136        wanted = "You can't"137        self.assertTrue(wanted in stdout)138    @dedicatedloop139    def test_config_no_scenario_found(self):140        stdout, stderr, rc = self._test_molotov("-c", "molotov.tests.test_run")141        wanted = "No scenario was found"142        self.assertTrue(wanted in stdout)143    @dedicatedloop144    def test_config_no_single_mode_found(self):145        @scenario(weight=10)146        async def not_me(session):147            _RES.append(3)148        stdout, stderr, rc = self._test_molotov(149            "-c", "-s", "blah", "molotov.tests.test_run"150        )151        wanted = "Can't find"152        self.assertTrue(wanted in stdout)153    @dedicatedloop154    def test_name(self):155        @scenario(weight=10)156        async def here_three(session):157            _RES.append(3)158        @scenario(weight=30, name="me")159        async def here_four(session):160            _RES.append(4)161        stdout, stderr, rc = self._test_molotov(162            "-cx", "--max-runs", "2", "-s", "me", "molotov.tests.test_run"163        )164        wanted = "SUCCESSES: 2"165        self.assertTrue(wanted in stdout)166        self.assertTrue(_RES, [4, 4])167    @dedicatedloop168    def test_single_mode(self):169        @scenario(weight=10)170        async def here_three(session):171            _RES.append(3)172        stdout, stderr, rc = self._test_molotov(173            "-cx", "--max-runs", "2", "-s", "here_three", "molotov.tests.test_run"174        )175        wanted = "SUCCESSES: 2"176        self.assertTrue(wanted in stdout)177    @dedicatedloop178    def test_fail_mode_pass(self):179        @scenario(weight=10)180        async def here_three(session):181            _RES.append(3)182        stdout, stderr, rc = self._test_molotov(183            "-cx",184            "--max-runs",185            "2",186            "--fail",187            "1",188            "-s",189            "here_three",190            "molotov.tests.test_run",191        )192        wanted = "SUCCESSES: 2"193        self.assertTrue(wanted in stdout)194        self.assertEqual(rc, 0)195    @dedicatedloop196    def test_fail_mode_fail(self):197        @scenario(weight=10)198        async def here_three(session):199            assert False200        stdout, stderr, rc = self._test_molotov(201            "-cx",202            "--max-runs",203            "2",204            "--fail",205            "1",206            "-s",207            "here_three",208            "molotov.tests.test_run",209        )210        self.assertEqual(rc, 1)211    @only_pypy212    @dedicatedloop213    def test_uvloop_pypy(self):214        @scenario(weight=10)215        async def here_three(session):216            _RES.append(3)217        orig_import = __import__218        def import_mock(name, *args):219            if name == "uvloop":220                raise ImportError()221            return orig_import(name, *args)222        with patch("builtins.__import__", side_effect=import_mock):223            stdout, stderr, rc = self._test_molotov(224                "-cx",225                "--max-runs",226                "2",227                "-s",228                "here_three",229                "--uvloop",230                "molotov.tests.test_run",231            )232        wanted = "You can't use uvloop"233        self.assertTrue(wanted in stdout)234    @skip_pypy235    @dedicatedloop236    def test_uvloop_import_error(self):237        @scenario(weight=10)238        async def here_three(session):239            _RES.append(3)240        orig_import = __import__241        def import_mock(name, *args):242            if name == "uvloop":243                raise ImportError()244            return orig_import(name, *args)245        with patch("builtins.__import__", side_effect=import_mock):246            stdout, stderr, rc = self._test_molotov(247                "-cx",248                "--max-runs",249                "2",250                "--console-update",251                "0",252                "-s",253                "here_three",254                "--uvloop",255                "molotov.tests.test_run",256            )257        wanted = "You need to install uvloop"258        self.assertTrue(wanted in stdout)259    @skip_pypy260    @dedicatedloop261    def test_uvloop(self):262        try:263            import uvloop  # noqa264        except ImportError:265            return266        @scenario(weight=10)267        async def here_three(session):268            _RES.append(3)269        stdout, stderr, rc = self._test_molotov(270            "-cx",271            "--max-runs",272            "2",273            "-s",274            "here_three",275            "--uvloop",276            "molotov.tests.test_run",277        )278        wanted = "SUCCESSES: 2"279        self.assertTrue(wanted in stdout, stdout)280    @dedicatedloop281    def test_delay(self):282        with catch_sleep() as delay:283            @scenario(weight=10, delay=0.1)284            async def here_three(session):285                _RES.append(3)286            stdout, stderr, rc = self._test_molotov(287                "--delay",288                ".6",289                "--console-update",290                "0",291                "-cx",292                "--max-runs",293                "2",294                "-s",295                "here_three",296                "molotov.tests.test_run",297            )298            wanted = "SUCCESSES: 2"299            self.assertTrue(wanted in stdout, stdout)300            self.assertEqual(delay[:9], [1, 0.1, 1, 0.6, 1, 0.1, 1, 0.6, 1])301    @dedicatedloop302    def test_rampup(self):303        with catch_sleep() as delay:304            @scenario(weight=10)305            async def here_three(session):306                _RES.append(3)307            stdout, stderr, rc = self._test_molotov(308                "--ramp-up",309                "10",310                "--workers",311                "5",312                "--console-update",313                "0",314                "-cx",315                "--max-runs",316                "2",317                "-s",318                "here_three",319                "molotov.tests.test_run",320            )321            # workers should start every 2 seconds since322            # we have 5 workers and a ramp-up323            # the first one starts immediatly, then each worker324            # sleeps 2 seconds more.325            delay = [d for d in delay if d != 0]326            self.assertEqual(delay, [1, 2.0, 4.0, 6.0, 8.0, 1, 1])327            wanted = "SUCCESSES: 10"328            self.assertTrue(wanted in stdout, stdout)329    @dedicatedloop330    def test_sizing(self):331        _RES2["fail"] = 0332        _RES2["succ"] = 0333        with catch_sleep():334            @scenario()335            async def sizer(session):336                if random.randint(0, 20) == 1:337                    _RES2["fail"] += 1338                    raise AssertionError()339                else:340                    _RES2["succ"] += 1341            stdout, stderr, rc = self._test_molotov(342                "--sizing",343                "--console-update",344                "0",345                "--sizing-tolerance",346                "5",347                "-s",348                "sizer",349                "molotov.tests.test_run",350            )351        ratio = float(_RES2["fail"]) / float(_RES2["succ"]) * 100.0352        self.assertTrue(ratio < 14.75 and ratio >= 4.75, ratio)353        found = re.findall(r"obtained with (\d+) workers", stdout)354        assert int(found[0]) > 50355    @unittest.skipIf(os.name == "nt", "win32")356    @dedicatedloop357    def test_sizing_multiprocess(self):358        counters = SharedCounters("OK", "FAILED")359        with catch_sleep():360            @scenario()361            async def sizer(session):362                if random.randint(0, 10) == 1:363                    counters["FAILED"] += 1364                    raise AssertionError()365                else:366                    counters["OK"] += 1367            with set_args(368                "molotov",369                "--sizing",370                "-p",371                "2",372                "--sizing-tolerance",373                "5",374                "--console-update",375                "0",376                "-s",377                "sizer",378                "molotov.tests.test_run",379            ) as (stdout, stderr):380                try:381                    main()382                except SystemExit:383                    pass384            stdout, stderr = stdout.read().strip(), stderr.read().strip()385            # stdout, stderr, rc = self._test_molotov()386            ratio = (387                float(counters["FAILED"].value) / float(counters["OK"].value) * 100.0388            )389            self.assertTrue(ratio >= 4.75, ratio)390    @unittest.skipIf(os.name == "nt", "win32")391    @dedicatedloop_noclose392    def test_statsd_multiprocess(self):393        test_loop = asyncio.get_event_loop()394        @scenario()395        async def staty(session):396            get_context(session).statsd.increment("yopla")397        server = UDPServer("127.0.0.1", 9999, loop=test_loop)398        _stop = asyncio.Future()399        async def stop():400            await _stop401            await server.stop()402        server_task = asyncio.ensure_future(server.run())403        stop_task = asyncio.ensure_future(stop())404        args = self._get_args()405        args.verbose = 2406        args.processes = 2407        args.max_runs = 5408        args.duration = 1000409        args.statsd = True410        args.statsd_address = "udp://127.0.0.1:9999"411        args.single_mode = "staty"412        args.scenario = "molotov.tests.test_run"413        stream = io.StringIO()414        run(args, stream=stream)415        _stop.set_result(True)416        test_loop.run_until_complete(asyncio.gather(server_task, stop_task))417        udp = server.flush()418        incrs = 0419        for line in udp:420            for el in line.split(b"\n"):421                if el.strip() == b"":422                    continue423                incrs += 1424        # two processes making 5 run each425        # we want at least 5  here426        self.assertTrue(incrs > 5)427        stream.seek(0)428        output = stream.read()429        self.assertTrue("Happy breaking!" in output, output)430    @dedicatedloop431    def test_timed_sizing(self):432        _RES2["fail"] = 0433        _RES2["succ"] = 0434        _RES2["messed"] = False435        with catch_sleep():436            @scenario()437            async def sizer(session):438                if get_context(session).worker_id == 200 and not _RES2["messed"]:439                    # worker 2 will mess with the timer440                    # since we're faking all timers, the current441                    # time in the test is always around 0442                    # so to have now() - get_timer() > 60443                    # we need to set a negative value here444                    # to trick it445                    set_timer(-61)446                    _RES2["messed"] = True447                    _RES2["fail"] = _RES2["succ"] = 0448                if get_context(session).worker_id > 100:449                    # starting to introduce errors passed the 100th450                    if random.randint(0, 10) == 1:451                        _RES2["fail"] += 1452                        raise AssertionError()453                    else:454                        _RES2["succ"] += 1455                # forces a switch456                await asyncio.sleep(0)457            stdout, stderr, rc = self._test_molotov(458                "--sizing",459                "--sizing-tolerance",460                "5",461                "--console-update",462                "0",463                "-cs",464                "sizer",465                "molotov.tests.test_run",466            )467        ratio = float(_RES2["fail"]) / float(_RES2["succ"]) * 100.0468        self.assertTrue(ratio < 20.0 and ratio > 4.75, ratio)469    @unittest.skipIf(os.name == "nt", "win32")470    @dedicatedloop471    def test_sizing_multiprocess_interrupted(self):472        counters = SharedCounters("OK", "FAILED")473        @scenario()474        async def sizer(session):475            if random.randint(0, 10) == 1:476                counters["FAILED"] += 1477                raise AssertionError()478            else:479                counters["OK"] += 1480        async def _stop():481            await asyncio.sleep(2.0)482            os.kill(os.getpid(), signal.SIGINT)483        asyncio.ensure_future(_stop())484        stdout, stderr, rc = self._test_molotov(485            "--sizing",486            "-p",487            "3",488            "--sizing-tolerance",489            "90",490            "--console-update",491            "0",492            "-s",493            "sizer",494            "molotov.tests.test_run",495        )496        self.assertTrue("Sizing was not finished" in stdout)497    @dedicatedloop498    def test_use_extension(self):499        ext = os.path.join(_HERE, "example5.py")500        @scenario(weight=10)501        async def simpletest(session):502            async with session.get("http://localhost:8888") as resp:503                assert resp.status == 200504        with coserver():505            stdout, stderr, rc = self._test_molotov(506                "-cx",507                "--max-runs",508                "1",509                "--use-extension=" + ext,510                "-s",511                "simpletest",512                "molotov.tests.test_run",513            )514        self.assertTrue("=>" in stdout)515        self.assertTrue("<=" in stdout)516    @dedicatedloop517    def test_use_extension_fail(self):518        ext = os.path.join(_HERE, "exampleIDONTEXIST.py")519        @scenario(weight=10)520        async def simpletest(session):521            async with session.get("http://localhost:8888") as resp:522                assert resp.status == 200523        with coserver():524            stdout, stderr, rc = self._test_molotov(525                "-cx",526                "--max-runs",527                "1",528                "--use-extension=" + ext,529                "-s",530                "simpletest",531                "molotov.tests.test_run",532            )533        self.assertTrue("Cannot import" in stdout)534    @dedicatedloop535    def test_use_extension_module_name(self):536        ext = "molotov.tests.example5"537        @scenario(weight=10)538        async def simpletest(session):539            async with session.get("http://localhost:8888") as resp:540                assert resp.status == 200541        with coserver():542            stdout, stderr, rc = self._test_molotov(543                "-cx",544                "--max-runs",545                "1",546                "--use-extension=" + ext,547                "-s",548                "simpletest",549                "molotov.tests.test_run",550            )551        self.assertTrue("=>" in stdout)552        self.assertTrue("<=" in stdout)553    @dedicatedloop554    def test_use_extension_module_name_fail(self):555        ext = "IDONTEXTSIST"556        @scenario(weight=10)557        async def simpletest(session):558            async with session.get("http://localhost:8888") as resp:559                assert resp.status == 200560        with coserver():561            stdout, stderr, rc = self._test_molotov(562                "-cx",563                "--max-runs",564                "1",565                "--use-extension=" + ext,566                "-s",567                "simpletest",568                "molotov.tests.test_run",569            )570        self.assertTrue("Cannot import" in stdout)571    @dedicatedloop572    def test_quiet(self):573        @scenario(weight=10)574        async def here_three(session):575            _RES.append(3)576        stdout, stderr, rc = self._test_molotov(577            "-cx", "--max-runs", "1", "-q", "-s", "here_three", "molotov.tests.test_run"578        )579        self.assertEqual(stdout, "")580        self.assertEqual(stderr, "")581    @dedicatedloop_noclose582    def test_slow_server_force_shutdown(self):583        @scenario(weight=10)584        async def _one(session):585            async with session.get("http://localhost:8888/slow") as resp:586                assert resp.status == 200587                _RES.append(1)588        args = self._get_args()589        args.duration = 0.1590        args.verbose = 2591        args.max_runs = 1592        args.force_shutdown = True593        start = time.time()594        with coserver():595            run(args)596        # makes sure the test is stopped even if the server597        # hangs a socket598        self.assertTrue(time.time() - start < 4)599        self.assertTrue(len(_RES) == 0)600    @dedicatedloop_noclose601    def test_slow_server_graceful(self):602        @scenario(weight=10)603        async def _one(session):604            async with session.get("http://localhost:8888/slow") as resp:605                assert resp.status == 200606                _RES.append(1)607        args = self._get_args()608        args.duration = 0.1609        args.verbose = 2610        args.max_runs = 1611        # graceful shutdown on the other hand will wait612        # for the worker completion613        args.graceful_shutdown = True614        start = time.time()615        with coserver():616            run(args)617        # makes sure the test finishes618        self.assertTrue(time.time() - start > 5)619        self.assertTrue(len(_RES) == 1)620    @dedicatedloop621    def test_single_run(self):622        _RES = defaultdict(int)623        with catch_sleep():624            @scenario()625            async def one(session):626                _RES["one"] += 1627            @scenario()628            async def two(session):629                _RES["two"] += 1630            @scenario()631            async def three(session):632                _RES["three"] += 1633            stdout, stderr, rc = self._test_molotov(634                "--single-run", "molotov.tests.test_run",635            )636        assert rc == 0637        assert _RES["one"] == 1638        assert _RES["two"] == 1639        assert _RES["three"] == 1640    @dedicatedloop641    def _XXX_test_enable_dns(self, m_resolve):642        m_resolve.return_value = ("http://localhost", "http://localhost", "localhost")643        with catch_sleep():644            @scenario()645            async def one(session):646                async with session.get("http://localhost"):647                    pass648            stdout, stderr, rc = self._test_molotov(649                "--single-run", "molotov.tests.test_run",650            )651        m_resolve.assert_called()652    @dedicatedloop653    def xxx_test_disable_dns(self, m_resolve):654        with catch_sleep():655            @scenario()656            async def one(session):657                async with session.get("http://localhost"):658                    pass659            stdout, stderr, rc = self._test_molotov(660                "--disable-dns-resolve", "--single-run", "molotov.tests.test_run",661            )662        m_resolve.assert_not_called()663    @dedicatedloop664    def test_bug_121(self):665        PASSED = [0]666        with catch_sleep():667            @scenario()668            async def scenario_one(session):669                cookies = {670                    "csrftoken": "sometoken",671                    "dtk": "1234",672                    "djdt": "hide",673                    "sessionid": "5678",674                }675                boundary = "----WebKitFormBoundaryFTE"676                headers = {677                    "X-CSRFToken": "sometoken",678                    "Content-Type": "multipart/form-data; boundary={}".format(boundary),679                }680                data = json.dumps({"1": "xxx"})681                with aiohttp.MultipartWriter(682                    "form-data", boundary=boundary683                ) as mpwriter:684                    mpwriter.append(685                        data,686                        {687                            "Content-Disposition": 'form-data; name="json"; filename="blob"',688                            "Content-Type": "application/json",689                        },690                    )691                    async with session.post(692                        "http://localhost:8888",693                        data=mpwriter,694                        headers=headers,695                        cookies=cookies,696                    ) as resp:697                        res = await resp.text()698                        assert data in res699                        PASSED[0] += 1700            args = self._get_args()701            args.verbose = 2702            args.max_runs = 1703            with coserver():704                res = run(args)705            assert PASSED[0] == 1706            assert res["OK"] == 1707    @dedicatedloop708    def test_local_import(self):709        test = os.path.join(_HERE, "example9.py")710        with coserver():711            stdout, stderr, rc = self._test_molotov("--max-runs", "1", test)...
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