# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.

import logging
import os

LOGGER = logging.getLogger(__name__)
THIS_DIR = os.path.dirname(os.path.realpath(__file__))


def test_units(container):
    """Various units tests
    Add a py file in the {image}/test/units dir and it will be automatically tested
    """
    short_image_name = container.image_name[container.image_name.rfind("/") + 1 :]
    host_data_dir = os.path.join(THIS_DIR, f"../{short_image_name}/test/units")
    LOGGER.info(f"Searching for units tests in {host_data_dir}")
    cont_data_dir = "/home/jovyan/data"

    if not os.path.exists(host_data_dir):
        LOGGER.info(f"Not found unit tests for image: {container.image_name}")
        return

    for test_file in os.listdir(host_data_dir):
        LOGGER.info(f"Running unit test: {test_file}")

        c = container.run(
            volumes={host_data_dir: {"bind": cont_data_dir, "mode": "ro"}},
            tty=True,
            command=["start.sh", "python", f"{cont_data_dir}/{test_file}"],
        )
        rv = c.wait(timeout=30)
        logs = c.logs(stdout=True).decode("utf-8")
        LOGGER.debug(logs)
        assert rv == 0 or rv["StatusCode"] == 0