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from __future__ import unicode_literals
import datetime
import itertools
import unittest
from operator import attrgetter
from freezegun import freeze_time
from freezegun.api import FakeDatetime
from tests.mock import MagicMock, Mock
from streamlink.stream.dash_manifest import MPD, MPDParsers, MPDParsingError, utc, Representation
from tests.resources import xml
class TestMPDParsers(unittest.TestCase):
def test_utc(self):
self.assertIn(utc.tzname(None), ("UTC", "UTC+00:00")) # depends on the implementation
self.assertIn(utc.dst(None), (None, datetime.timedelta(0))) # depends on the implementation
self.assertEqual(utc.utcoffset(None), datetime.timedelta(0))
def test_bool_str(self):
self.assertEqual(MPDParsers.bool_str("true"), True)
self.assertEqual(MPDParsers.bool_str("TRUE"), True)
self.assertEqual(MPDParsers.bool_str("True"), True)
self.assertEqual(MPDParsers.bool_str("0"), False)
self.assertEqual(MPDParsers.bool_str("False"), False)
self.assertEqual(MPDParsers.bool_str("false"), False)
self.assertEqual(MPDParsers.bool_str("FALSE"), False)
def test_type(self):
self.assertEqual(MPDParsers.type("dynamic"), "dynamic")
self.assertEqual(MPDParsers.type("static"), "static")
with self.assertRaises(MPDParsingError):
MPDParsers.type("other")
def test_duration(self):
self.assertEqual(MPDParsers.duration("PT1S"), datetime.timedelta(0, 1))
def test_datetime(self):
self.assertEqual(MPDParsers.datetime("2018-01-01T00:00:00Z"),
datetime.datetime(2018, 1, 1, 0, 0, 0, tzinfo=utc))
def test_segment_template(self):
self.assertEqual(MPDParsers.segment_template("$Time$-$Number$-$Other$")(Time=1, Number=2, Other=3),
"1-2-3")
self.assertEqual(MPDParsers.segment_template("$Number%05d$")(Number=123),
"00123")
self.assertEqual(MPDParsers.segment_template("$Time%0.02f$")(Time=100.234),
"100.23")
def test_frame_rate(self):
self.assertAlmostEqual(MPDParsers.frame_rate("1/25"),
1 / 25.0)
self.assertAlmostEqual(MPDParsers.frame_rate("0.2"),
0.2)
def test_timedelta(self):
self.assertEqual(MPDParsers.timedelta(1)(100),
datetime.timedelta(0, 100.0))
self.assertEqual(MPDParsers.timedelta(10)(100),
datetime.timedelta(0, 10.0))
def test_range(self):
self.assertEqual(MPDParsers.range("100-"), (100, None))
self.assertEqual(MPDParsers.range("100-199"), (100, 100))
self.assertRaises(MPDParsingError, MPDParsers.range, "100")
class TestMPDParser(unittest.TestCase):
maxDiff = None
def test_segments_number_time(self):
with xml("dash/test_1.mpd") as mpd_xml:
mpd = MPD(mpd_xml, base_url="http://test.se/", url="http://test.se/manifest.mpd")
segments = mpd.periods[0].adaptationSets[0].representations[0].segments()
init_segment = next(segments)
self.assertEqual(init_segment.url, "http://test.se/tracks-v3/init-1526842800.g_m4v")
video_segments = list(map(attrgetter("url"), (itertools.islice(segments, 5))))
# suggested delay is 11 seconds, each segment is 5 seconds long - so there should be 3
self.assertSequenceEqual(video_segments,
['http://test.se/tracks-v3/dvr-1526842800-698.g_m4v?t=3403000',
'http://test.se/tracks-v3/dvr-1526842800-699.g_m4v?t=3408000',
'http://test.se/tracks-v3/dvr-1526842800-700.g_m4v?t=3413000'])
def test_segments_static_number(self):
with xml("dash/test_2.mpd") as mpd_xml:
mpd = MPD(mpd_xml, base_url="http://test.se/", url="http://test.se/manifest.mpd")
segments = mpd.periods[0].adaptationSets[3].representations[0].segments()
init_segment = next(segments)
self.assertEqual(init_segment.url, "http://test.se/video/250kbit/init.mp4")
video_segments = list(map(attrgetter("url"), (itertools.islice(segments, 100000))))
self.assertEqual(len(video_segments), 444)
self.assertSequenceEqual(video_segments[:5],
['http://test.se/video/250kbit/segment_1.m4s',
'http://test.se/video/250kbit/segment_2.m4s',
'http://test.se/video/250kbit/segment_3.m4s',
'http://test.se/video/250kbit/segment_4.m4s',
'http://test.se/video/250kbit/segment_5.m4s'])
def test_segments_dynamic_time(self):
with xml("dash/test_3.mpd") as mpd_xml:
mpd = MPD(mpd_xml, base_url="http://test.se/", url="http://test.se/manifest.mpd")
segments = mpd.periods[0].adaptationSets[0].representations[0].segments()
init_segment = next(segments)
self.assertEqual(init_segment.url, "http://test.se/video-2800000-0.mp4?z32=")
video_segments = list(map(attrgetter("url"), (itertools.islice(segments, 3))))
# default suggested delay is 3 seconds, each segment is 4 seconds long - so there should be 1 segment
self.assertSequenceEqual(video_segments,
['http://test.se/video-time=1525450872000-2800000-0.m4s?z32='])
def test_segments_dynamic_number(self):
with freeze_time(FakeDatetime(2018, 5, 22, 13, 37, 0, tzinfo=utc)) as frozen_datetime:
with xml("dash/test_4.mpd") as mpd_xml:
mpd = MPD(mpd_xml, base_url="http://test.se/", url="http://test.se/manifest.mpd")
segments = mpd.periods[0].adaptationSets[0].representations[0].segments()
init_segment = next(segments)
self.assertEqual(init_segment.url, "http://test.se/hd-5-init.mp4")
video_segments = []
for _ in range(3):
seg = next(segments)
video_segments.append((seg.url,
seg.available_at))
self.assertSequenceEqual(video_segments,
[('http://test.se/hd-5_000311235.mp4',
datetime.datetime(2018, 5, 22, 13, 37, 0, tzinfo=utc)),
('http://test.se/hd-5_000311236.mp4',
datetime.datetime(2018, 5, 22, 13, 37, 5, tzinfo=utc)),
('http://test.se/hd-5_000311237.mp4',
datetime.datetime(2018, 5, 22, 13, 37, 10, tzinfo=utc))
])
def test_segments_static_no_publish_time(self):
with xml("dash/test_5.mpd") as mpd_xml:
mpd = MPD(mpd_xml, base_url="http://test.se/", url="http://test.se/manifest.mpd")
segments = mpd.periods[0].adaptationSets[1].representations[0].segments()
init_segment = next(segments)
self.assertEqual(init_segment.url, "http://test.se/dash/150633-video_eng=194000.dash")
video_segments = [x.url for x in itertools.islice(segments, 3)]
self.assertSequenceEqual(video_segments,
['http://test.se/dash/150633-video_eng=194000-0.dash',
'http://test.se/dash/150633-video_eng=194000-2000.dash',
'http://test.se/dash/150633-video_eng=194000-4000.dash',
])
def test_segments_list(self):
with xml("dash/test_7.mpd") as mpd_xml:
mpd = MPD(mpd_xml, base_url="http://test.se/", url="http://test.se/manifest.mpd")
segments = mpd.periods[0].adaptationSets[0].representations[0].segments()
init_segment = next(segments)
self.assertEqual(init_segment.url, "http://test.se/chunk_ctvideo_ridp0va0br4332748_cinit_mpd.m4s")
video_segments = [x.url for x in itertools.islice(segments, 3)]
self.assertSequenceEqual(video_segments,
['http://test.se/chunk_ctvideo_ridp0va0br4332748_cn1_mpd.m4s',
'http://test.se/chunk_ctvideo_ridp0va0br4332748_cn2_mpd.m4s',
'http://test.se/chunk_ctvideo_ridp0va0br4332748_cn3_mpd.m4s',
])
def test_segments_dynamic_timeline_continue(self):
with xml("dash/test_6_p1.mpd") as mpd_xml_p1:
with xml("dash/test_6_p2.mpd") as mpd_xml_p2:
mpd_p1 = MPD(mpd_xml_p1, base_url="http://test.se/", url="http://test.se/manifest.mpd")
segments_p1 = mpd_p1.periods[0].adaptationSets[0].representations[0].segments()
init_segment = next(segments_p1)
self.assertEqual(init_segment.url, "http://test.se/video/init.mp4")
video_segments_p1 = [x.url for x in itertools.islice(segments_p1, 100)]
self.assertSequenceEqual(video_segments_p1,
['http://test.se/video/1006000.mp4',
'http://test.se/video/1007000.mp4',
'http://test.se/video/1008000.mp4',
'http://test.se/video/1009000.mp4',
'http://test.se/video/1010000.mp4'])
# Continue in the next manifest
mpd_p2 = MPD(mpd_xml_p2,
base_url=mpd_p1.base_url,
url=mpd_p1.url,
timelines=mpd_p1.timelines)
segments_p2 = mpd_p2.periods[0].adaptationSets[0].representations[0].segments(init=False)
video_segments_p2 = [x.url for x in itertools.islice(segments_p2, 100)]
self.assertSequenceEqual(video_segments_p2,
['http://test.se/video/1011000.mp4',
'http://test.se/video/1012000.mp4',
'http://test.se/video/1013000.mp4',
'http://test.se/video/1014000.mp4',
'http://test.se/video/1015000.mp4'])
def test_tsegment_t_is_none_1895(self):
"""
Verify the fix for https://github.com/streamlink/streamlink/issues/1895
"""
with xml("dash/test_8.mpd") as mpd_xml:
mpd = MPD(mpd_xml, base_url="http://test.se/", url="http://test.se/manifest.mpd")
segments = mpd.periods[0].adaptationSets[0].representations[0].segments()
init_segment = next(segments)
self.assertEqual(init_segment.url, "http://test.se/video-2799000-0.mp4?z32=CENSORED_SESSION")
video_segments = [x.url for x in itertools.islice(segments, 3)]
self.assertSequenceEqual(video_segments,
['http://test.se/video-time=0-2799000-0.m4s?z32=CENSORED_SESSION',
'http://test.se/video-time=4000-2799000-0.m4s?z32=CENSORED_SESSION',
'http://test.se/video-time=8000-2799000-0.m4s?z32=CENSORED_SESSION',
])
def test_bitrate_rounded(self):
def mock_rep(bandwidth):
node = Mock(
tag="Representation",
attrib={
"id": "test",
"bandwidth": bandwidth,
"mimeType": "video/mp4"
}
)
node.findall.return_value = []
return Representation(node)
self.assertEqual(mock_rep(1.2*1000.0).bandwidth_rounded, 1.2)
self.assertEqual(mock_rep(45.6*1000.0).bandwidth_rounded, 46.0)
self.assertEqual(mock_rep(134.0*1000.0).bandwidth_rounded, 130.0)
self.assertEqual(mock_rep(1324.0*1000.0).bandwidth_rounded, 1300.0)
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