Files
metube/app/tests/test_download_queue.py
T

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19 KiB
Python

"""Tests for ``DownloadQueue`` with mocked yt-dlp extraction."""
from __future__ import annotations
import os
import tempfile
from unittest.mock import AsyncMock, MagicMock, patch
import pytest
import time
from ytdl import DownloadInfo, DownloadQueue
@pytest.fixture
def dq_env():
with tempfile.TemporaryDirectory() as tmp:
dl = os.path.join(tmp, "downloads")
st = os.path.join(tmp, "state")
os.makedirs(dl, exist_ok=True)
os.makedirs(st, exist_ok=True)
cfg = MagicMock()
cfg.STATE_DIR = st
cfg.DOWNLOAD_DIR = dl
cfg.AUDIO_DOWNLOAD_DIR = dl
cfg.TEMP_DIR = dl
cfg.MAX_CONCURRENT_DOWNLOADS = "3"
cfg.YTDL_OPTIONS = {}
cfg.YTDL_OPTIONS_PRESETS = {}
cfg.CUSTOM_DIRS = True
cfg.CREATE_CUSTOM_DIRS = True
cfg.CLEAR_COMPLETED_AFTER = "0"
cfg.DELETE_FILE_ON_TRASHCAN = False
cfg.OUTPUT_TEMPLATE = "%(title)s.%(ext)s"
cfg.OUTPUT_TEMPLATE_CHAPTER = "%(title)s.%(ext)s"
cfg.OUTPUT_TEMPLATE_PLAYLIST = ""
cfg.OUTPUT_TEMPLATE_CHANNEL = ""
yield cfg
def test_cancel_add_increments_generation(dq_env):
notifier = MagicMock()
dq = DownloadQueue(dq_env, notifier)
before = dq._add_generation
dq.cancel_add()
assert dq._add_generation == before + 1
def test_get_returns_tuple_of_lists(dq_env):
notifier = MagicMock()
dq = DownloadQueue(dq_env, notifier)
q, done = dq.get()
assert q == [] and done == []
@pytest.mark.asyncio
async def test_add_single_video_goes_to_pending_when_auto_start_false(dq_env):
notifier = AsyncMock()
def fake_extract(self, url, ytdl_options_presets=None, ytdl_options_overrides=None):
return {
"_type": "video",
"id": "vid1",
"title": "Test Video",
"url": url,
"webpage_url": url,
}
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", fake_extract):
result = await dq.add(
"https://example.com/watch?v=1",
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=False,
)
assert result["status"] == "ok"
assert dq.pending.exists("https://example.com/watch?v=1")
@pytest.mark.asyncio
async def test_cancel_removes_from_pending(dq_env):
notifier = AsyncMock()
def fake_extract(self, url, ytdl_options_presets=None, ytdl_options_overrides=None):
return {
"_type": "video",
"id": "vid1",
"title": "Test Video",
"url": url,
"webpage_url": url,
}
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", fake_extract):
await dq.add(
"https://example.com/pending",
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=False,
)
url = "https://example.com/pending"
await dq.cancel([url])
assert not dq.pending.exists(url)
notifier.canceled.assert_awaited()
@pytest.mark.asyncio
async def test_cancel_before_start_marks_download_canceled(dq_env):
"""Regression test for the race condition where cancel() arrives after the
download has been placed in the queue and ``__start_download`` has been
scheduled via ``asyncio.create_task`` but has not yet executed. Without the
fix, the pending task would run ``download.start()`` despite the user
cancelling, because its ``download.canceled`` guard was never flipped."""
notifier = AsyncMock()
def fake_extract(self, url, ytdl_options_presets=None, ytdl_options_overrides=None):
return {
"_type": "video",
"id": "vid1",
"title": "Test Video",
"url": url,
"webpage_url": url,
}
dq = DownloadQueue(dq_env, notifier)
url = "https://example.com/race"
start_mock = AsyncMock()
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", fake_extract), \
patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
await dq.add(
url,
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=True,
)
assert dq.queue.exists(url)
download = dq.queue.get(url)
assert download.canceled is False
await dq.cancel([url])
assert not dq.queue.exists(url)
assert download.canceled is True
notifier.canceled.assert_awaited_with(url)
@pytest.mark.asyncio
async def test_start_pending_moves_to_queue(dq_env):
notifier = AsyncMock()
def fake_extract(self, url, ytdl_options_presets=None, ytdl_options_overrides=None):
return {
"_type": "video",
"id": "vid1",
"title": "Test Video",
"url": url,
"webpage_url": url,
}
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", fake_extract):
await dq.add(
"https://example.com/startme",
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=False,
)
url = "https://example.com/startme"
# Starting will spawn real download — cancel immediately before worker runs much
with patch.object(DownloadQueue, "_DownloadQueue__start_download", AsyncMock()):
await dq.start_pending([url])
assert not dq.pending.exists(url)
@pytest.mark.asyncio
async def test_add_entry_queues_single_video_without_reextracting(dq_env):
notifier = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
entry = {
"_type": "video",
"id": "vid1",
"title": "Test Video",
"url": "https://example.com/watch?v=1",
"webpage_url": "https://example.com/watch?v=1",
"playlist_index": "01",
"playlist_title": "Playlist",
}
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", side_effect=AssertionError("should not re-extract")):
result = await dq.add_entry(
entry,
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=False,
)
assert result["status"] == "ok"
assert dq.pending.exists("https://example.com/watch?v=1")
@pytest.mark.asyncio
async def test_add_merges_global_preset_and_override_options(dq_env):
notifier = AsyncMock()
dq_env.YTDL_OPTIONS = {"writesubtitles": False, "cookiefile": "/tmp/global.txt"}
dq_env.YTDL_OPTIONS_PRESETS = {
"Preset A": {"writesubtitles": True, "proxy": "http://preset-a"},
"Preset B": {"writesubtitles": False, "ratelimit": 1000},
}
def fake_extract(self, url, ytdl_options_presets=None, ytdl_options_overrides=None):
return {
"_type": "video",
"id": "vid2",
"title": "Preset Video",
"url": url,
"webpage_url": url,
}
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", fake_extract):
result = await dq.add(
"https://example.com/preset",
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=False,
ytdl_options_presets=["Preset A", "Preset B"],
ytdl_options_overrides={"proxy": "http://override", "embed_thumbnail": True},
)
assert result["status"] == "ok"
queued = dq.pending.get("https://example.com/preset")
assert queued.ytdl_opts["cookiefile"] == "/tmp/global.txt"
assert queued.ytdl_opts["writesubtitles"] is False
assert queued.ytdl_opts["ratelimit"] == 1000
assert queued.ytdl_opts["proxy"] == "http://override"
assert queued.ytdl_opts["embed_thumbnail"] is True
@pytest.mark.asyncio
async def test_extract_info_preset_null_download_archive_overrides_global(dq_env):
"""Preset download_archive:null must apply during extract_info (global archive otherwise wins first)."""
dq_env.YTDL_OPTIONS = {"download_archive": "/tmp/archive.txt"}
dq_env.YTDL_OPTIONS_PRESETS = {"NoArchive": {"download_archive": None}}
captured_params: list = []
class FakeYoutubeDL:
def __init__(self, params=None):
captured_params.append(params)
def extract_info(self, url, download=False):
return {
"_type": "video",
"id": "vid-archive",
"title": "Archive Test",
"url": url,
"webpage_url": url,
}
notifier = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
with patch("ytdl.yt_dlp.YoutubeDL", FakeYoutubeDL):
result = await dq.add(
"https://example.com/archive-test",
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=False,
ytdl_options_presets=["NoArchive"],
)
assert result["status"] == "ok"
assert len(captured_params) == 1
extract_params = captured_params[0]
assert extract_params.get("download_archive") is None
assert extract_params["extract_flat"] is True
assert extract_params["noplaylist"] is True
@pytest.mark.asyncio
async def test_extract_info_metube_extract_keys_win_over_preset(dq_env):
"""MeTube's flat-extract settings must not be overridden by presets."""
dq_env.YTDL_OPTIONS = {}
dq_env.YTDL_OPTIONS_PRESETS = {
"TryOverride": {"extract_flat": False, "noplaylist": False},
}
captured_params: list = []
class FakeYoutubeDL:
def __init__(self, params=None):
captured_params.append(params)
def extract_info(self, url, download=False):
return {
"_type": "video",
"id": "vid-flat",
"title": "Flat Test",
"url": url,
"webpage_url": url,
}
notifier = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
with patch("ytdl.yt_dlp.YoutubeDL", FakeYoutubeDL):
result = await dq.add(
"https://example.com/flat-test",
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=False,
ytdl_options_presets=["TryOverride"],
)
assert result["status"] == "ok"
assert captured_params[0]["extract_flat"] is True
assert captured_params[0]["noplaylist"] is True
@pytest.mark.asyncio
async def test_add_sets_clip_bounds_on_download_info(dq_env):
notifier = AsyncMock()
def fake_extract(self, url, ytdl_options_presets=None, ytdl_options_overrides=None):
return {
"_type": "video",
"id": "vid1",
"title": "Test Video",
"url": url,
"webpage_url": url,
}
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", fake_extract):
result = await dq.add(
"https://example.com/clip",
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=False,
clip_start=10.0,
clip_end=99.5,
)
assert result["status"] == "ok"
download = dq.pending.get("https://example.com/clip")
assert download.info.clip_start == 10.0
assert download.info.clip_end == 99.5
def _upcoming_entry(url: str, *, release_timestamp: float | None = None) -> dict:
return {
"_type": "video",
"id": "live1",
"title": "Upcoming Stream",
"url": url,
"webpage_url": url,
"live_status": "is_upcoming",
"release_timestamp": release_timestamp if release_timestamp is not None else time.time() + 3600,
}
@pytest.mark.asyncio
async def test_add_upcoming_stream_scheduled_without_starting(dq_env):
notifier = AsyncMock()
url = "https://example.com/live-upcoming"
start_mock = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
result = await dq.add_entry(
_upcoming_entry(url),
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=True,
)
assert result["status"] == "ok"
assert dq.queue.exists(url)
download = dq.queue.get(url)
assert download.info.status == "scheduled"
assert download.info.live_status == "is_upcoming"
assert download.info.live_release_timestamp is not None
start_mock.assert_not_called()
assert url in dq._scheduled_probe_at
@pytest.mark.asyncio
async def test_probe_scheduled_starts_when_live(dq_env):
notifier = AsyncMock()
url = "https://example.com/live-upcoming"
start_mock = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
await dq.add_entry(
_upcoming_entry(url),
"video",
"auto",
"any",
"best",
"",
"",
0,
auto_start=True,
)
download = dq.queue.get(url)
def fake_probe_extract(self, probe_url, ytdl_options_presets=None, ytdl_options_overrides=None):
assert probe_url == url
return {
"_type": "video",
"id": "live1",
"title": "Live Now",
"url": url,
"webpage_url": url,
"live_status": "is_live",
"formats": [{"format_id": "22"}],
}
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", fake_probe_extract), \
patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
await dq._probe_scheduled_download(download)
assert url not in dq._scheduled_probe_at
assert download.info.live_status == "is_live"
assert download.info.status == "pending"
start_mock.assert_called_once_with(download)
@pytest.mark.asyncio
async def test_import_scheduled_re_registers_monitor(dq_env):
notifier = AsyncMock()
url = "https://example.com/live-restart"
release = time.time() + 7200
info = DownloadInfo(
id="live1",
title="Upcoming Stream",
url=url,
quality="best",
download_type="video",
codec="auto",
format="any",
folder="",
custom_name_prefix="",
error=None,
entry=None,
playlist_item_limit=0,
split_by_chapters=False,
chapter_template="",
live_status="is_upcoming",
live_release_timestamp=release,
)
info.status = "scheduled"
dq = DownloadQueue(dq_env, notifier)
start_mock = AsyncMock()
with patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
await dq._DownloadQueue__add_download(info, True)
assert dq.queue.exists(url)
assert dq.queue.get(url).info.status == "scheduled"
assert url in dq._scheduled_probe_at
start_mock.assert_not_called()
@pytest.mark.asyncio
async def test_probe_transient_error_retries_without_failing(dq_env):
"""A single probe failure must not abandon the scheduled stream."""
import ytdl
notifier = AsyncMock()
url = "https://example.com/live-transient"
start_mock = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
await dq.add_entry(
_upcoming_entry(url),
"video", "auto", "any", "best", "", "", 0,
auto_start=True,
)
download = dq.queue.get(url)
def boom(self, *args, **kwargs):
raise ytdl.yt_dlp.utils.YoutubeDLError("temporary network glitch")
before = time.time()
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", boom):
await dq._probe_scheduled_download(download)
# Still scheduled, still monitored, probe rescheduled into the future.
assert download.info.status == "scheduled"
assert url in dq._scheduled_probe_at
assert dq._scheduled_probe_at[url] >= before
assert dq._scheduled_probe_failures[url] == 1
notifier.completed.assert_not_called()
@pytest.mark.asyncio
async def test_probe_gives_up_after_max_failures(dq_env):
import ytdl
notifier = AsyncMock()
url = "https://example.com/live-dead"
start_mock = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
await dq.add_entry(
_upcoming_entry(url),
"video", "auto", "any", "best", "", "", 0,
auto_start=True,
)
download = dq.queue.get(url)
def boom(self, *args, **kwargs):
raise ytdl.yt_dlp.utils.YoutubeDLError("stream was deleted")
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", boom):
for _ in range(ytdl._LIVE_PROBE_MAX_FAILURES):
await dq._probe_scheduled_download(download)
assert url not in dq._scheduled_probe_at
assert not dq.queue.exists(url)
assert dq.done.exists(url)
assert download.info.status == "error"
notifier.completed.assert_awaited()
@pytest.mark.asyncio
async def test_probe_recovers_after_transient_then_starts(dq_env):
"""A transient failure followed by a successful live probe should start the download."""
import ytdl
notifier = AsyncMock()
url = "https://example.com/live-recover"
start_mock = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
with patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
await dq.add_entry(
_upcoming_entry(url),
"video", "auto", "any", "best", "", "", 0,
auto_start=True,
)
download = dq.queue.get(url)
# The scheduling placeholder error is set on add.
assert download.info.error
def boom(self, *args, **kwargs):
raise ytdl.yt_dlp.utils.YoutubeDLError("temporary glitch")
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", boom):
await dq._probe_scheduled_download(download)
assert dq._scheduled_probe_failures[url] == 1
def live_now(self, *args, **kwargs):
return {
"_type": "video", "id": "live1", "title": "Live Now",
"url": url, "webpage_url": url, "live_status": "is_live",
"formats": [{"format_id": "22"}],
}
with patch.object(DownloadQueue, "_DownloadQueue__extract_info", live_now), \
patch.object(DownloadQueue, "_DownloadQueue__start_download", start_mock):
await dq._probe_scheduled_download(download)
assert url not in dq._scheduled_probe_at
assert url not in dq._scheduled_probe_failures
assert download.info.status == "pending"
# Placeholder error/msg cleared now that a real download is starting.
assert download.info.error is None
assert download.info.msg is None
start_mock.assert_called_once_with(download)
def test_seconds_until_next_probe_none_when_empty(dq_env):
notifier = AsyncMock()
dq = DownloadQueue(dq_env, notifier)
assert dq._seconds_until_next_probe() is None