Exemple #1
0
def run_mutation(config, filename, mutation_id):
    """
    :type config: Config
    :type filename: str
    :type mutation_id: MutationID
    :return: (computed or cached) status of the tested mutant
    :rtype: str
    """
    context = Context(
        mutation_id=mutation_id,
        filename=filename,
        exclude=config.exclude_callback,
        dict_synonyms=config.dict_synonyms,
        config=config,
    )

    cached_status = cached_mutation_status(filename, mutation_id,
                                           config.hash_of_tests)
    if cached_status == BAD_SURVIVED:
        config.surviving_mutants += 1
    elif cached_status == BAD_TIMEOUT:
        config.surviving_mutants_timeout += 1
    elif cached_status == OK_KILLED:
        config.killed_mutants += 1
    elif cached_status == OK_SUSPICIOUS:
        config.suspicious_mutants += 1
    else:
        assert cached_status == UNTESTED, cached_status

    config.print_progress()

    if cached_status != UNTESTED:
        return cached_status

    try:
        number_of_mutations_performed = mutate_file(backup=True,
                                                    context=context)
        assert number_of_mutations_performed
        start = time()
        try:
            survived = tests_pass(config)
        except TimeoutError:
            context.config.surviving_mutants_timeout += 1
            return BAD_TIMEOUT

        time_elapsed = time() - start
        if time_elapsed > config.test_time_base + (
                config.baseline_time_elapsed * config.test_time_multipler):
            config.suspicious_mutants += 1
            return OK_SUSPICIOUS

        if survived:
            context.config.surviving_mutants += 1
            return BAD_SURVIVED
        else:
            context.config.killed_mutants += 1
            return OK_KILLED
    finally:
        move(filename + '.bak', filename)
Exemple #2
0
def run_mutation(context: Context, callback) -> str:
    """
    :return: (computed or cached) status of the tested mutant, one of mutant_statuses
    """
    from mutmut.cache import cached_mutation_status
    cached_status = cached_mutation_status(context.filename,
                                           context.mutation_id,
                                           context.config.hash_of_tests)

    if cached_status != UNTESTED and context.config.total != 1:
        return cached_status

    config = context.config
    if hasattr(mutmut_config, 'pre_mutation'):
        context.current_line_index = context.mutation_id.line_number
        try:
            mutmut_config.pre_mutation(context=context)
        except SkipException:
            return SKIPPED
        if context.skip:
            return SKIPPED

    if config.pre_mutation:
        result = subprocess.check_output(config.pre_mutation,
                                         shell=True).decode().strip()
        if result and not config.swallow_output:
            callback(result)

    try:
        mutate_file(backup=True, context=context)
        start = time()
        try:
            survived = tests_pass(config=config, callback=callback)
        except TimeoutError:
            return BAD_TIMEOUT

        time_elapsed = time() - start
        if not survived and time_elapsed > config.test_time_base + (
                config.baseline_time_elapsed * config.test_time_multipler):
            return OK_SUSPICIOUS

        if survived:
            return BAD_SURVIVED
        else:
            return OK_KILLED
    except SkipException:
        return SKIPPED

    finally:
        move(context.filename + '.bak', context.filename)

        if config.post_mutation:
            result = subprocess.check_output(config.post_mutation,
                                             shell=True).decode().strip()
            if result and not config.swallow_output:
                callback(result)
Exemple #3
0
def run_mutation(config, filename, mutation_id):
    context = Context(
        mutation_id=mutation_id,
        filename=filename,
        exclude=config.exclude_callback,
        dict_synonyms=config.dict_synonyms,
        config=config,
    )

    cached_status = cached_mutation_status(filename, mutation_id, config.hash_of_tests)
    if cached_status == BAD_SURVIVED:
        config.surviving_mutants += 1
    elif cached_status == BAD_TIMEOUT:
        config.surviving_mutants_timeout += 1
    elif cached_status == OK_KILLED:
        config.killed_mutants += 1
    elif cached_status == OK_SUSPICIOUS:
        config.suspicious_mutants += 1
    else:
        assert cached_status == UNTESTED, cached_status

    config.print_progress()

    if cached_status != UNTESTED:
        return cached_status

    try:
        number_of_mutations_performed = mutate_file(
            backup=True,
            context=context
        )
        assert number_of_mutations_performed
        start = datetime.now()
        try:
            survived = tests_pass(config)
        except TimeoutError:
            context.config.surviving_mutants_timeout += 1
            return BAD_TIMEOUT

        time_elapsed = datetime.now() - start
        if time_elapsed.total_seconds() > config.baseline_time_elapsed * 2:
            config.suspicious_mutants += 1
            return OK_SUSPICIOUS

        if survived:
            context.config.surviving_mutants += 1
            return BAD_SURVIVED
        else:
            context.config.killed_mutants += 1
            return OK_KILLED
    finally:
        move(filename + '.bak', filename)
Exemple #4
0
def run_mutation(config: Config, filename: str, mutation_id: MutationID,
                 callback) -> str:
    """
    :return: (computed or cached) status of the tested mutant, one of mutant_statuses
    """
    context = Context(
        mutation_id=mutation_id,
        filename=filename,
        dict_synonyms=config.dict_synonyms,
        config=config,
    )

    cached_status = cached_mutation_status(filename, mutation_id,
                                           config.hash_of_tests)

    if cached_status != UNTESTED:
        return cached_status

    if config.pre_mutation:
        result = subprocess.check_output(config.pre_mutation,
                                         shell=True).decode().strip()
        if result and not config.swallow_output:
            print(result)

    try:
        mutate_file(backup=True, context=context)
        start = time()
        try:
            survived = tests_pass(config=config, callback=callback)
        except TimeoutError:
            return BAD_TIMEOUT

        time_elapsed = time() - start
        if not survived and time_elapsed > config.test_time_base + (
                config.baseline_time_elapsed * config.test_time_multipler):
            return OK_SUSPICIOUS

        if survived:
            return BAD_SURVIVED
        else:
            return OK_KILLED
    finally:
        move(filename + '.bak', filename)

        if config.post_mutation:
            result = subprocess.check_output(config.post_mutation,
                                             shell=True).decode().strip()
            if result and not config.swallow_output:
                print(result)