test_main

Run all acceptance tests available in the input_yaml_files folder

test_process_input(input_filename)

Execute acceptance test using a python subprocess using all input yaml files available

Parameters:

Name	Type	Description	Default
input_filename	str	name of input file	required

Source code in tests_acceptance/test_main.py

@pytest.mark.parametrize("input_filename", input_yaml_filenames)
def test_process_input(input_filename):
    """Execute acceptance test using a python subprocess
    using all input yaml files available

    Args:
        input_filename (str): name of input file
    """

    input_file_path = input_yaml_files_path / input_filename

    # Build the subprocess command
    command = [sys.executable, str(main_script_path), str(input_file_path)]

    # Run the script in a separate Python process
    process = subprocess.Popen(
        command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True
    )
    stdout, stderr = process.communicate()

    # do not use stdout ;-)
    if MAIN_SCRIPT_NAME != "":
        print(stdout)

    # Check the exit code
    assert (
        process.returncode == 0
    ), f"Script {main_script_path} failed for {input_filename}\n{stderr}"

    # Load the generated and reference NetCDF files using xarray
    with open(str(input_file_path), "r") as f:
        data = yaml.load(f, Loader=SafeLoaderIgnoreUnknown)
    output_filename = Path(data["output-data"]["filename"])
    if "*" in output_filename.name:
        outputname = output_filename.name
    else:
        outputname = output_filename.stem + "*"

    filenames_list = list(reference_files_path.glob(outputname))
    assert len(filenames_list) > 0, f"No output files generated for {input_filename}"
    for filename in filenames_list:
        generated_nc = _xr.open_dataset(output_filename.parent / filename.name, engine="netcdf4")
        reference_nc = _xr.open_dataset(filename, engine="netcdf4")

        # Compare the datasets if they have matching variables and coordinates
        assert generated_nc.equals(
            reference_nc
        ), f"Generated output does not match reference for {input_filename}"