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# -*- coding: utf-8 -*-
import argparse
from unittest import mock
from unittest.mock import MagicMock, patch
import pytest
from pytube import cli, StreamQuery, Caption, CaptionQuery
parse_args = cli._parse_args
@mock.patch("pytube.cli._parse_args")
def test_main_invalid_url(_parse_args):
parser = argparse.ArgumentParser()
args = parse_args(parser, ["crikey",],)
_parse_args.return_value = args
with pytest.raises(SystemExit):
cli.main()
@mock.patch("pytube.cli.YouTube")
def test_download_when_itag_not_found(youtube):
youtube.streams = mock.Mock()
youtube.streams.all.return_value = []
youtube.streams.get_by_itag.return_value = None
with pytest.raises(SystemExit):
cli.download_by_itag(youtube, 123)
youtube.streams.get_by_itag.assert_called_with(123)
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.Stream")
def test_download_when_itag_is_found(youtube, stream):
stream.itag = 123
youtube.streams = StreamQuery([stream])
with patch.object(
youtube.streams, "get_by_itag", wraps=youtube.streams.get_by_itag
) as wrapped_itag:
cli.download_by_itag(youtube, 123)
wrapped_itag.assert_called_with(123)
youtube.register_on_progress_callback.assert_called_with(cli.on_progress)
stream.download.assert_called()
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.Stream")
def test_display_stream(youtube, stream):
stream.itag = 123
stream.__repr__ = MagicMock(return_value="")
youtube.streams = StreamQuery([stream])
with patch.object(youtube.streams, "all", wraps=youtube.streams.all) as wrapped_all:
cli.display_streams(youtube)
wrapped_all.assert_called()
stream.__repr__.assert_called()
@mock.patch("pytube.cli.YouTube")
def test_download_caption_with_none(youtube):
caption = Caption(
{"url": "url1", "name": {"simpleText": "name1"}, "languageCode": "en"}
)
youtube.captions = CaptionQuery([caption])
with patch.object(
youtube.captions, "all", wraps=youtube.captions.all
) as wrapped_all:
cli.download_caption(youtube, None)
wrapped_all.assert_called()
@mock.patch("pytube.cli.YouTube")
def test_download_caption_with_language_found(youtube):
youtube.title = "video title"
caption = Caption(
{"url": "url1", "name": {"simpleText": "name1"}, "languageCode": "en"}
)
caption.download = MagicMock(return_value="file_path")
youtube.captions = CaptionQuery([caption])
cli.download_caption(youtube, "en")
caption.download.assert_called_with(title="video title", output_path=None)
@mock.patch("pytube.cli.YouTube")
def test_download_caption_with_language_not_found(youtube):
caption = Caption(
{"url": "url1", "name": {"simpleText": "name1"}, "languageCode": "en"}
)
youtube.captions = CaptionQuery([caption])
with patch.object(
youtube.captions, "all", wraps=youtube.captions.all
) as wrapped_all:
cli.download_caption(youtube, "blah")
wrapped_all.assert_called()
def test_display_progress_bar(capsys):
cli.display_progress_bar(bytes_received=25, filesize=100, scale=0.55)
out, _ = capsys.readouterr()
assert "25.0%" in out
@mock.patch("pytube.Stream")
@mock.patch("io.BufferedWriter")
def test_on_progress(stream, writer):
stream.filesize = 10
cli.display_progress_bar = MagicMock()
cli.on_progress(stream, "", writer, 7)
cli.display_progress_bar.assert_called_once_with(3, 10)
def test_parse_args_falsey():
parser = argparse.ArgumentParser()
args = cli._parse_args(parser, ["http://youtube.com/watch?v=9bZkp7q19f0"])
assert args.url == "http://youtube.com/watch?v=9bZkp7q19f0"
assert args.build_playback_report is False
assert args.itag is None
assert args.list is False
assert args.verbosity == 0
def test_parse_args_truthy():
parser = argparse.ArgumentParser()
args = cli._parse_args(
parser,
[
"http://youtube.com/watch?v=9bZkp7q19f0",
"--build-playback-report",
"-c",
"en",
"-l",
"--itag=10",
],
)
assert args.url == "http://youtube.com/watch?v=9bZkp7q19f0"
assert args.build_playback_report is True
assert args.itag == 10
assert args.list is True
@mock.patch("pytube.cli.YouTube", return_value=None)
def test_main_download_by_itag(youtube):
parser = argparse.ArgumentParser()
args = parse_args(parser, ["http://youtube.com/watch?v=9bZkp7q19f0", "--itag=10"])
cli._parse_args = MagicMock(return_value=args)
cli.download_by_itag = MagicMock()
cli.main()
youtube.assert_called()
cli.download_by_itag.assert_called()
@mock.patch("pytube.cli.YouTube", return_value=None)
def test_main_build_playback_report(youtube):
parser = argparse.ArgumentParser()
args = parse_args(
parser, ["http://youtube.com/watch?v=9bZkp7q19f0", "--build-playback-report"]
)
cli._parse_args = MagicMock(return_value=args)
cli.build_playback_report = MagicMock()
cli.main()
youtube.assert_called()
cli.build_playback_report.assert_called()
@mock.patch("pytube.cli.YouTube", return_value=None)
def test_main_display_streams(youtube):
parser = argparse.ArgumentParser()
args = parse_args(parser, ["http://youtube.com/watch?v=9bZkp7q19f0", "-l"])
cli._parse_args = MagicMock(return_value=args)
cli.display_streams = MagicMock()
cli.main()
youtube.assert_called()
cli.display_streams.assert_called()
@mock.patch("pytube.cli.YouTube", return_value=None)
def test_main_download_caption(youtube):
parser = argparse.ArgumentParser()
args = parse_args(parser, ["http://youtube.com/watch?v=9bZkp7q19f0", "-c"])
cli._parse_args = MagicMock(return_value=args)
cli.download_caption = MagicMock()
cli.main()
youtube.assert_called()
cli.download_caption.assert_called()
@mock.patch("pytube.cli.YouTube", return_value=None)
@mock.patch("pytube.cli.download_by_resolution")
def test_download_by_resolution_flag(youtube, download_by_resolution):
parser = argparse.ArgumentParser()
args = parse_args(parser, ["http://youtube.com/watch?v=9bZkp7q19f0", "-r", "320p"])
cli._parse_args = MagicMock(return_value=args)
cli.main()
youtube.assert_called()
download_by_resolution.assert_called()
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.cli.Playlist")
@mock.patch("pytube.cli._perform_args_on_youtube")
def test_download_with_playlist(perform_args_on_youtube, playlist, youtube):
# Given
cli.safe_filename = MagicMock(return_value="safe_title")
parser = argparse.ArgumentParser()
args = parse_args(parser, ["https://www.youtube.com/playlist?list=PLyn"])
cli._parse_args = MagicMock(return_value=args)
videos = [youtube]
playlist_instance = playlist.return_value
playlist_instance.videos = videos
# When
cli.main()
# Then
playlist.assert_called()
perform_args_on_youtube.assert_called_with(youtube, args)
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.StreamQuery")
@mock.patch("pytube.Stream")
def test_download_by_resolution(youtube, stream_query, stream):
stream_query.get_by_resolution.return_value = stream
youtube.streams = stream_query
cli._download = MagicMock()
cli.download_by_resolution(youtube=youtube, resolution="320p", target="test_target")
cli._download.assert_called_with(stream, target="test_target")
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.StreamQuery")
def test_download_by_resolution_not_exists(youtube, stream_query):
stream_query.get_by_resolution.return_value = None
youtube.streams = stream_query
cli._download = MagicMock()
with pytest.raises(SystemExit):
cli.download_by_resolution(
youtube=youtube, resolution="DOESNT EXIST", target="test_target"
)
cli._download.assert_not_called()
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.cli.ffmpeg_process")
def test_perform_args_should_ffmpeg_process(ffmpeg_process, youtube):
# Given
parser = argparse.ArgumentParser()
args = parse_args(parser, ["http://youtube.com/watch?v=9bZkp7q19f0", "-f", "best"])
cli._parse_args = MagicMock(return_value=args)
# When
cli._perform_args_on_youtube(youtube, args)
# Then
ffmpeg_process.assert_called_with(youtube=youtube, resolution="best", target=None)
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.cli._ffmpeg_downloader")
def test_ffmpeg_process_best_should_download(_ffmpeg_downloader, youtube):
# Given
target = "/target"
streams = MagicMock()
youtube.streams = streams
video_stream = MagicMock()
streams.filter.return_value.order_by.return_value.last.return_value = video_stream
audio_stream = MagicMock()
streams.get_audio_only.return_value = audio_stream
# When
cli.ffmpeg_process(youtube, "best", target)
# Then
_ffmpeg_downloader.assert_called_with(
audio_stream=audio_stream, video_stream=video_stream, target=target
)
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.cli._ffmpeg_downloader")
def test_ffmpeg_process_res_should_download(_ffmpeg_downloader, youtube):
# Given
target = "/target"
streams = MagicMock()
youtube.streams = streams
video_stream = MagicMock()
streams.filter.return_value.first.return_value = video_stream
audio_stream = MagicMock()
streams.get_audio_only.return_value = audio_stream
# When
cli.ffmpeg_process(youtube, "XYZp", target)
# Then
_ffmpeg_downloader.assert_called_with(
audio_stream=audio_stream, video_stream=video_stream, target=target
)
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.cli._ffmpeg_downloader")
def test_ffmpeg_process_res_none_should_not_download(_ffmpeg_downloader, youtube):
# Given
target = "/target"
streams = MagicMock()
youtube.streams = streams
streams.filter.return_value.first.return_value = None
audio_stream = MagicMock()
streams.get_audio_only.return_value = audio_stream
# When
with pytest.raises(SystemExit):
cli.ffmpeg_process(youtube, "XYZp", target)
# Then
_ffmpeg_downloader.assert_not_called()
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.cli._ffmpeg_downloader")
def test_ffmpeg_process_audio_none_should_fallback_download(
_ffmpeg_downloader, youtube
):
# Given
target = "/target"
streams = MagicMock()
youtube.streams = streams
stream = MagicMock()
streams.filter.return_value.order_by.return_value.last.return_value = stream
streams.get_audio_only.return_value = None
# When
cli.ffmpeg_process(youtube, "best", target)
# Then
_ffmpeg_downloader.assert_called_with(
audio_stream=stream, video_stream=stream, target=target
)
@mock.patch("pytube.cli.YouTube")
@mock.patch("pytube.cli._ffmpeg_downloader")
def test_ffmpeg_process_audio_fallback_none_should_exit(_ffmpeg_downloader, youtube):
# Given
target = "/target"
streams = MagicMock()
youtube.streams = streams
stream = MagicMock()
streams.filter.return_value.order_by.return_value.last.side_effect = [stream, None]
streams.get_audio_only.return_value = None
# When
with pytest.raises(SystemExit):
cli.ffmpeg_process(youtube, "best", target)
# Then
_ffmpeg_downloader.assert_not_called()
@mock.patch("pytube.cli.os.unlink", return_value=None)
@mock.patch("pytube.cli.subprocess.run", return_value=None)
@mock.patch("pytube.cli._download", return_value=None)
@mock.patch("pytube.cli._unique_name", return_value=None)
def test_ffmpeg_downloader(unique_name, download, run, unlink):
# Given
target = "target"
audio_stream = MagicMock()
video_stream = MagicMock()
video_stream.id = "video_id"
video_stream.subtype = "video_subtype"
unique_name.side_effect = ["video_name", "audio_name"]
# When
cli._ffmpeg_downloader(
audio_stream=audio_stream, video_stream=video_stream, target=target
)
# Then
download.assert_called()
run.assert_called_with(
[
"ffmpeg",
"-i",
f"target/video_name",
"-i",
f"target/audio_name",
"-codec",
"copy",
f"target/safe_title.video_subtype",
]
)
unlink.assert_called()
@mock.patch("pytube.cli.download_audio")
@mock.patch("pytube.cli.YouTube.__init__", return_value=None)
def test_download_audio_args(youtube, download_audio):
# Given
parser = argparse.ArgumentParser()
args = parse_args(parser, ["http://youtube.com/watch?v=9bZkp7q19f0", "-a", "mp4"])
cli._parse_args = MagicMock(return_value=args)
# When
cli.main()
# Then
youtube.assert_called()
download_audio.assert_called()
@mock.patch("pytube.cli._download")
@mock.patch("pytube.cli.YouTube")
def test_download_audio(youtube, download):
# Given
youtube_instance = youtube.return_value
audio_stream = MagicMock()
youtube_instance.streams.filter.return_value.order_by.return_value.last.return_value = (
audio_stream
)
# When
cli.download_audio(youtube_instance, "filetype", "target")
# Then
download.assert_called_with(audio_stream, target="target")
@mock.patch("pytube.cli._download")
@mock.patch("pytube.cli.YouTube")
def test_download_audio_none(youtube, download):
# Given
youtube_instance = youtube.return_value
youtube_instance.streams.filter.return_value.order_by.return_value.last.return_value = None
# When
with pytest.raises(SystemExit):
cli.download_audio(youtube_instance, "filetype", "target")
# Then
download.assert_not_called()
@mock.patch("pytube.cli.YouTube.__init__", return_value=None)
def test_perform_args_on_youtube(youtube):
parser = argparse.ArgumentParser()
args = parse_args(parser, ["http://youtube.com/watch?v=9bZkp7q19f0"])
cli._parse_args = MagicMock(return_value=args)
cli._perform_args_on_youtube = MagicMock()
cli.main()
youtube.assert_called()
cli._perform_args_on_youtube.assert_called()
@mock.patch("pytube.cli.os.path.exists", return_value=False)
def test_unique_name(path_exists):
assert (
cli._unique_name("base", "subtype", "video", "target")
== "target/base_video_0.subtype"
)
@mock.patch("pytube.cli.os.path.exists")
def test_unique_name_counter(path_exists):
path_exists.side_effect = [True, False]
assert (
cli._unique_name("base", "subtype", "video", "target")
== "target/base_video_1.subtype"
)
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