def _collect_stats()

in testsuite/driver/testlib.py [0:0]

• 18 lines of code
• 10 McCabe index (conditional complexity)

def _collect_stats(name, opts, metrics, deviation, is_compiler_stats_test=False):
    if not re.match('^[0-9]*[a-zA-Z][a-zA-Z0-9._-]*$', name):
        failBecause('This test has an invalid name.')

    # Normalize metrics to a list of strings.
    if isinstance(metrics, str):
        if metrics == 'all':
            metrics = testing_metrics()
        else:
            metrics = [metrics]

    opts.is_stats_test = True
    if is_compiler_stats_test:
        opts.is_compiler_stats_test = True

    # Compiler performance numbers change when debugging is on, making the results
    # useless and confusing. Therefore, skip if debugging is on.
    if config.compiler_debugged and is_compiler_stats_test:
        opts.skip = 1

    for metric in metrics:
        def baselineByWay(way, target_commit, metric=metric):
            return Perf.baseline_metric( \
                              target_commit, name, config.test_env, metric, way)

        opts.stats_range_fields[metric] = (baselineByWay, deviation)