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How to use raise_internal_failure method in green

Best Python code snippet using green

process.py

Source:process.py

...301    # with eachother.  So long as the test doesn't use a hard-coded temp302    # directory, anyway.303    saved_tempdir = tempfile.tempdir304    tempfile.tempdir = tempfile.mkdtemp()305    def raise_internal_failure(msg):306        err = sys.exc_info()307        t = ProtoTest()308        t.module = "green.loader"309        t.class_name = "N/A"310        t.description = msg311        t.method_name = "poolRunner"312        result.startTest(t)313        result.addError(t, err)314        result.stopTest(t)315        queue.put(result)316        cleanup()317    def cleanup():318        # Restore the state of the temp directory319        tempfile.tempdir = saved_tempdir320        queue.put(None)321        # Finish coverage322        if coverage_number:323            cov.stop()324            cov.save()325    # Each pool starts its own coverage, later combined by the main process.326    if coverage_number:327        cov = coverage.coverage(328            data_file=".coverage.{}_{}".format(329                coverage_number, random.randint(0, 10000)330            ),331            omit=omit_patterns,332            config_file=cov_config_file,333        )334        cov._warn_no_data = False335        cov.start()336    # What to do each time an individual test is started337    already_sent = set()338    def start_callback(test):339        # Let the main process know what test we are starting340        test = proto_test(test)341        if test not in already_sent:342            queue.put(test)343            already_sent.add(test)344    def finalize_callback(test_result):345        # Let the main process know what happened with the test run346        queue.put(test_result)347    result = ProtoTestResult(start_callback, finalize_callback)348    test = None349    try:350        loader = GreenTestLoader()351        test = loader.loadTargets(target)352    except:353        raise_internal_failure("Green encountered an error loading the unit test.")354        return355    if getattr(test, "run", False):356        # Loading was successful, lets do this357        try:358            test.run(result)359            # If your class setUpClass(self) method crashes, the test doesn't360            # raise an exception, but it does add an entry to errors.  Some361            # other things add entries to errors as well, but they all call the362            # finalize callback.363            if (364                result365                and (not result.finalize_callback_called)366                and getattr(result, "errors", False)367            ):368                queue.put(test)369                queue.put(result)370        except:371            # Some frameworks like testtools record the error AND THEN let it372            # through to crash things.  So we only need to manufacture another373            # error if the underlying framework didn't, but either way we don't374            # want to crash.375            if result.errors:376                queue.put(result)377            else:378                try:379                    err = sys.exc_info()380                    result.startTest(test)381                    result.addError(test, err)382                    result.stopTest(test)383                    queue.put(result)384                except:385                    raise_internal_failure(386                        "Green encountered an error when running the test."387                    )388                    return389    else:390        # loadTargets() returned an object without a run() method, probably391        # None392        description = (393            'Test loader returned an un-runnable object.  Is "{}" '394            "importable from your current location?  Maybe you "395            "forgot an __init__.py in your directory?  Unrunnable "396            "object looks like: {} of type {} with dir {}".format(397                target, str(test), type(test), dir(test)398            )399        )...

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