Exemplo n.º 1
0
    def test_const_generator(self):
        """
        Tests general functionality of the constant value generator
        """

        # Simple case
        input_data = "test"
        expected_output = ["test"]

        const_gen = ParamInjector.generate_constant(input_data)
        self.assertEqual(expected_output, list(const_gen))

        # No data
        input_data = ""
        expected_output = [""]

        const_gen = ParamInjector.generate_constant(input_data)
        self.assertEqual(expected_output, list(const_gen))
Exemplo n.º 2
0
def create_parameter_generators(probe, parameter_handlers, filter_limits=True):
    """
    Loads the parameter information and creates a list of the respective
    generators from the ParamInjector module, while filtering the ranges as
    necessary
    """

    url_injectors = []
    initial_values = []

    for i in [1, 2]:
        # We run this code twice: the first pass will get the initial
        # values for each parameter, which is used in the second pass to
        # filter the ends of the limits as required
        # I couldn't find a nicer way to do this

        if not filter_limits and i == 2:
            # Don't filter limits unless required
            break

        for param_index, param in enumerate(parameter_handlers):
            param_type = param['parameter_type']
            param_gen = None

            if i == 2 and not param['filter_range']:
                # We are running the "filtering" pass but this parameter
                # should not be filtered
                continue

            entries_list = []
            cons_misses = None
            if i == 2:
                # Configure the list of extra parameters for the range
                # inference
                entries_list = initial_values.copy()
                entries_list[param_index] = None
                cons_misses = int(param['cons_misses'])

            if param_type == "process_code":
                PROCESS_FORMAT = '{:07d}-{:02d}.{:04d}.{}.{:02d}.{:04d}'

                first_year = int(param['first_year_proc_param'])
                last_year = int(param['last_year_proc_param'])
                segment_ids = param['segment_ids_proc_param'].split(",")
                court_ids = param['court_ids_proc_param'].split(",")
                origin_ids = param['origin_ids_proc_param'].split(",")

                # turn string lists into integers
                segment_ids = list(map(int, segment_ids))
                court_ids = list(map(int, court_ids))
                origin_ids = list(map(int, origin_ids))

                max_seq = 9999999
                if i == 2:
                    # Filter the process_code range
                    max_seq = RangeInference.filter_process_code(
                        first_year,
                        last_year,
                        segment_ids,
                        court_ids,
                        origin_ids,
                        probe,
                        entries_list,
                        cons_misses=cons_misses)

                subparam_list = [
                    # sequential identifier
                    (0, max_seq),
                    # year
                    (first_year, last_year),
                    # segment identifiers
                    segment_ids,
                    # court identifiers
                    court_ids,
                    # origin identifiers
                    origin_ids
                ]

                param_gen = ParamInjector.generate_format(
                    code_format=PROCESS_FORMAT,
                    param_limits=subparam_list,
                    verif=ParamInjector.process_code_verification,
                    verif_index=1)

            elif param_type == "number_seq":
                begin = int(param['first_num_param'])
                end = int(param['last_num_param'])

                if i == 2:
                    # Filter the number range
                    end = RangeInference.filter_numeric_range(
                        begin,
                        end,
                        probe,
                        entries_list,
                        cons_misses=cons_misses)

                param_gen = ParamInjector.generate_num_sequence(
                    first=begin,
                    last=end,
                    step=int(param['step_num_param']),
                    leading=param['leading_num_param'],
                )
            elif param_type == 'date_seq':
                begin = datetime.date.fromisoformat(
                    param['start_date_date_param'])
                end = datetime.date.fromisoformat(param['end_date_date_param'])
                frequency = param['frequency_date_param']
                date_format = param['date_format_date_param']

                if i == 2:
                    # Filter the date range
                    end = RangeInference.filter_daterange(
                        begin,
                        end,
                        probe,
                        frequency,
                        date_format,
                        entries_list,
                        cons_misses=cons_misses)

                param_gen = ParamInjector.generate_daterange(
                    date_format=date_format,
                    start_date=begin,
                    end_date=end,
                    frequency=frequency,
                )
            elif param_type == 'alpha_seq':
                # We don't do anything diferent here if it's the second
                # pass, since alphabetic sequences can't be filtered

                length = int(param['length_alpha_param'])
                num_words = int(param['num_words_alpha_param'])
                no_upper = param['no_upper_alpha_param']

                param_gen = ParamInjector.generate_alpha(length=length,
                                                         num_words=num_words,
                                                         no_upper=no_upper)
            elif param_type == 'value_list':
                # No filtering applied to this parameter
                list_values = param['value_list_param']

                param_gen = ParamInjector.generate_list(elements=list_values)
            elif param_type == 'const_value':
                # No filtering applied to this parameter
                const_value = param['value_const_param']

                param_gen = ParamInjector.generate_constant(value=const_value)
            else:
                raise ValueError(f"Invalid parameter type: {param_type}")

            if i == 2 and param_gen is not None:
                # We have filtered the range for this parameter, and should
                # update the generator in the list
                url_injectors[param_index] = param_gen
            else:
                # Create a copy of the generator, to extract the first
                # value. After that, add to the list of parameter
                # generators
                param_gen, param_gen_first = itertools.tee(param_gen)
                initial_values.append(next(param_gen_first))
                url_injectors.append(param_gen)

    return url_injectors