"""
Unit tests for Video stub server implementation.
"""


import unittest

import requests
from django.conf import settings

from common.djangoapps.terrain.stubs.video_source import VideoSourceHttpService

HLS_MANIFEST_TEXT = """
#EXTM3U
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=264787,RESOLUTION=1280x720
history_264kbit/history_264kbit.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=328415,RESOLUTION=1920x1080
history_328kbit/history_328kbit.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=70750,RESOLUTION=640x360
history_70kbit/history_70kbit.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=148269,RESOLUTION=960x540
history_148kbit/history_148kbit.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=41276,RESOLUTION=640x360
history_41kbit/history_41kbit.m3u8
"""


class StubVideoServiceTest(unittest.TestCase):
    """
    Test cases for the video stub service.
    """
    def setUp(self):
        """
        Start the stub server.
        """
        super().setUp()
        self.server = VideoSourceHttpService()
        self.server.config['root_dir'] = f'{settings.TEST_ROOT}/data/video'
        self.addCleanup(self.server.shutdown)

    def test_get_hls_manifest(self):
        """
        Verify that correct hls manifest is received.
        """
        response = requests.get(f"http://127.0.0.1:{self.server.port}/hls/history.m3u8")
        assert response.ok
        assert response.text == HLS_MANIFEST_TEXT.lstrip()
        assert response.headers['Access-Control-Allow-Origin'] == '*'