add metadata file copying

from ivas_processing_scripts import main as generate_test

from ivas_processing_scripts.processing.config import TestConfig

from tests.constants import INPUT_EXPERIMENT_NAMES, EXPERIMENTS_DIR, TESTS_DIR

from tests.constants import INPUT_EXPERIMENT_NAMES, EXPERIMENTS_DIR, TESTS_DIR, FORMAT_TO_METADATA_FILES, NCHAN_TO_FILE

from ivas_processing_scripts.audiotools import audio

    # read out input path

    config = TestConfig(cfg)

    input_path = Path(config.input_path).resolve().absolute()

    input_fmt = config.input["fmt"]

    # deduce number of channels based on input format

    input_object = audio.fromtype(config.input["fmt"])

    input_object = audio.fromtype(input_fmt)

    num_channels = input_object.num_channels

    # check if folder exists

    if not input_path.exists():

        raise ValueError("Input path from experiments config does not exist")

    # copy items to folder -> pink noise and spectral test

    pink_noise = (

        Path(f"./tests/data/pinknoise/pink_noise_{num_channels}ch_48kHz.wav")

        .resolve()

        .absolute()

    )

    shutil.copy(pink_noise, input_path.joinpath(pink_noise.name))

    spectral = (

        Path(f"./tests/data/spectral/spectral_test_{num_channels}ch_48kHz.wav")

        .resolve()

        .absolute()

    )

    shutil.copy(spectral, input_path.joinpath(spectral.name))

    # get dummy input files:

    spectral_dummy = NCHAN_TO_FILE[num_channels]

    pink_noise_dummy = Path(str(spectral_dummy).replace("spectral/spectral_test", "pinknoise/pink_noise"))

    dummy_input_files = [spectral_dummy, pink_noise_dummy]

    # get dummy metadata files

    dummy_md_files = FORMAT_TO_METADATA_FILES.get(input_fmt, list())

    for f in dummy_input_files:

        print(f)

        f_out = input_path.joinpath(f.name).resolve().absolute()

        print(f_out)

        shutil.copy(f, f_out)

        for i, md_f in enumerate(dummy_md_files):

            print(md_f)

            suffix = f"{i}.csv"

            md_f_out = ".".join([str(f_out), suffix])

            print(md_f_out)

            shutil.copy(md_f, md_f_out)

    generate_test(args)