#!/usr/bin/env python

import sys
import unittest

# Allow direct execution
import os
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from youtube_dl import YoutubeDL
from helper import try_rm


def _download_restricted(url, filename, age):
    """ Returns true iff the file has been downloaded """

    params = {
        'age_limit': age,
        'skip_download': True,
        'writeinfojson': True,
        "outtmpl": "%(id)s.%(ext)s",
    }
    ydl = YoutubeDL(params)
    ydl.add_default_info_extractors()
    json_filename = filename + '.info.json'
    try_rm(json_filename)
    ydl.download([url])
    res = os.path.exists(json_filename)
    try_rm(json_filename)
    return res


class TestAgeRestriction(unittest.TestCase):
    def _assert_restricted(self, url, filename, age, old_age=None):
        self.assertTrue(_download_restricted(url, filename, old_age))
        self.assertFalse(_download_restricted(url, filename, age))

    def test_youtube(self):
        self._assert_restricted('07FYdnEawAQ', '07FYdnEawAQ.mp4', 10)

    def test_youporn(self):
        self._assert_restricted(
            'http://www.youporn.com/watch/505835/sex-ed-is-it-safe-to-masturbate-daily/',
            '505835.mp4', 2, old_age=25)

    def test_pornotube(self):
        self._assert_restricted(
            'http://pornotube.com/c/173/m/1689755/Marilyn-Monroe-Bathing',
            '1689755.flv', 13)


if __name__ == '__main__':
    unittest.main()
