test_platform.py

# -*- coding: utf-8 -*-
#
#            PySceneDetect: Python-Based Video Scene Detector
#   -------------------------------------------------------------------
#     [  Site:    https://scenedetect.com                           ]
#     [  Docs:    https://scenedetect.com/docs/                     ]
#     [  Github:  https://github.com/Breakthrough/PySceneDetect/    ]
#
# Copyright (C) 2014-2024 Brandon Castellano <http://www.bcastell.com>.
# PySceneDetect is licensed under the BSD 3-Clause License; see the
# included LICENSE file, or visit one of the above pages for details.
#
""" PySceneDetect scenedetect.platform Tests

This file includes unit tests for the scenedetect.platform module, containing
all platform/library/OS-specific compatibility fixes.
"""

import platform
import pytest

from scenedetect.platform import CommandTooLong, invoke_command


def test_invoke_command():
    """ Ensures the function exists and is callable without throwing
    an exception. """
    if platform.system() == 'Windows':
        invoke_command(['cmd'])
    else:
        invoke_command(['echo'])


def test_long_command():
    """ [Windows Only] Ensures that a command string too large to be handled
    is translated to the correct exception for error handling.
    """
    if platform.system() == 'Windows':
        with pytest.raises(CommandTooLong):
            invoke_command('x' * 2**15)