import re
from unittest import TestCase

from embed_video.backends import VideoBackend, detect_backend


class CustomBackend(VideoBackend):
    re_detect = re.compile(r'http://myvideo\.com/[0-9]+')
    re_code = re.compile(r'http://myvideo\.com/(?P<code>[0-9]+)')

    pattern_url = '{protocol}://play.myvideo.com/c/{code}/'
    pattern_thumbnail_url = '{protocol}://thumb.myvideo.com/c/{code}/'


class CustomBackendTestCase(TestCase):
    def setUp(self):
        self.backend = detect_backend('http://myvideo.com/1530')

    def test_detect_backend(self):
        self.assertIsInstance(self.backend, CustomBackend)

    def test_code(self):
        self.assertEqual(self.backend.code, '1530')

    def test_url(self):
        self.assertEqual(self.backend.get_url(),
                         'http://play.myvideo.com/c/1530/')

    def test_url_https(self):
        self.backend.is_secure = True
        self.assertEqual(self.backend.get_url(),
                         'https://play.myvideo.com/c/1530/')

    def test_thumbnail(self):
        self.assertEqual(self.backend.get_thumbnail_url(),
                         'http://thumb.myvideo.com/c/1530/')