ytptube/app/features/ytdlp/tests/test_ytdlp_extractor.py

230 lines
9 KiB
Python

import logging
import pickle
from unittest.mock import MagicMock, patch
from app.features.ytdlp.extractor import (
ExtractorConfig,
ExtractorPool,
REEXTRACT_INFO_KEY,
_LogCapture,
_get_process_pool_kwargs,
_process_safe_info,
_ytdlp_logger,
extract_info_sync,
)
from app.features.ytdlp.utils import LogWrapper
class TestProcessPoolConfiguration:
def setup_method(self):
ExtractorPool._reset_singleton()
def test_uses_fork_context_for_frozen_linux(self, monkeypatch):
monkeypatch.setattr("app.features.ytdlp.extractor.sys.platform", "linux")
monkeypatch.setattr("app.features.ytdlp.extractor.sys.frozen", True, raising=False)
context = object()
get_context = MagicMock(return_value=context)
monkeypatch.setattr("app.features.ytdlp.extractor.multiprocessing.get_context", get_context)
kwargs = _get_process_pool_kwargs()
assert kwargs == {"mp_context": context}
get_context.assert_called_once_with("fork")
def test_default_context_linux(self, monkeypatch):
monkeypatch.setattr("app.features.ytdlp.extractor.sys.platform", "linux")
monkeypatch.delattr("app.features.ytdlp.extractor.sys.frozen", raising=False)
get_context = MagicMock()
monkeypatch.setattr("app.features.ytdlp.extractor.multiprocessing.get_context", get_context)
assert _get_process_pool_kwargs() == {}
get_context.assert_not_called()
def test_init_pool_kwargs(self, monkeypatch):
context = object()
monkeypatch.setattr("app.features.ytdlp.extractor._get_process_pool_kwargs", lambda: {"mp_context": context})
executor = MagicMock()
executor_cls = MagicMock(return_value=executor)
monkeypatch.setattr("app.features.ytdlp.extractor.ProcessPoolExecutor", executor_cls)
pool = ExtractorPool.get_instance()
pool._ensure_initialized(ExtractorConfig(concurrency=3))
executor_cls.assert_called_once_with(max_workers=3, mp_context=context)
assert pool.get_pool(ExtractorConfig(concurrency=3)) is executor
class TestExtractInfo:
"""Test the extract_info function."""
@patch("app.features.ytdlp.extractor.YTDLP")
def test_extract_info_basic(self, mock_ytdlp_class):
"""Test basic extract_info functionality."""
mock_ytdlp = MagicMock()
mock_ytdlp.extract_info.return_value = {"title": "Test Video", "id": "test123"}
mock_ytdlp_class.return_value = mock_ytdlp
config = {"quiet": True}
url = "https://example.com/video"
(result, logs) = extract_info_sync(config, url)
assert isinstance(result, dict), "Result should be a dictionary"
assert isinstance(logs, list), "Logs should be a list"
mock_ytdlp.extract_info.assert_called_once()
@patch("app.features.ytdlp.extractor.YTDLP")
def test_extract_info_with_debug(self, mock_ytdlp_class):
"""Test extract_info with debug enabled."""
mock_ytdlp = MagicMock()
mock_ytdlp.extract_info.return_value = {"title": "Test Video"}
mock_ytdlp_class.return_value = mock_ytdlp
config = {}
url = "https://example.com/video"
(result, logs) = extract_info_sync(config, url, debug=True)
assert isinstance(result, dict), "Result should be a dictionary"
assert isinstance(logs, list), "Logs should be a list"
@patch("app.features.ytdlp.extractor.YTDLP")
def test_extract_info_mirrors_debug_to_console(self, mock_ytdlp_class):
seen: list[tuple[int, str]] = []
def fake_extract_info(url, download=False): # noqa: ARG001
logger = mock_ytdlp_class.call_args.kwargs["params"]["logger"]
logger.debug("[generic_browser] Using remote browser for https://example.com/video")
logger.debug("[debug] [generic_browser] Loading page https://example.com/video")
logger.warning("[generic_browser] Browser fallback warning")
return {"title": "Test Video", "id": "test123"}
mock_ytdlp = MagicMock()
mock_ytdlp.extract_info.side_effect = fake_extract_info
mock_ytdlp_class.return_value = mock_ytdlp
logger = logging.getLogger("yt-dlp.extract_info")
with patch.object(
logger, "info", side_effect=lambda msg, *a, **k: seen.append((logging.INFO, msg % a if a else msg))
):
with patch.object(
logger,
"debug",
side_effect=lambda msg, *a, **k: seen.append((logging.DEBUG, msg % a if a else msg)),
):
with patch.object(
logger,
"log",
side_effect=lambda level, msg, *a, **k: seen.append((level, msg % a if a else msg)),
):
(result, logs) = extract_info_sync(
{}, "https://example.com/video", debug=True, capture_logs=logging.WARNING
)
assert result["id"] == "test123"
assert logs == ["[generic_browser] Browser fallback warning"]
assert (logging.INFO, "[generic_browser] Using remote browser for https://example.com/video") in seen
assert (logging.DEBUG, "[generic_browser] Loading page https://example.com/video") in seen
assert (logging.WARNING, "[generic_browser] Browser fallback warning") in seen
@patch("app.features.ytdlp.extractor.YTDLP")
def test_extract_info_mirrors_screen_logs_without_debug(self, mock_ytdlp_class):
seen: list[tuple[int, str]] = []
def fake_extract_info(url, download=False): # noqa: ARG001
logger = mock_ytdlp_class.call_args.kwargs["params"]["logger"]
logger.debug("[generic_browser] Using remote browser for https://example.com/video")
logger.warning("[generic_browser] Browser fallback warning")
return {"title": "Test Video", "id": "test123"}
mock_ytdlp = MagicMock()
mock_ytdlp.extract_info.side_effect = fake_extract_info
mock_ytdlp_class.return_value = mock_ytdlp
logger = logging.getLogger("yt-dlp.extract_info")
with patch.object(
logger, "info", side_effect=lambda msg, *a, **k: seen.append((logging.INFO, msg % a if a else msg))
):
with patch.object(
logger,
"log",
side_effect=lambda level, msg, *a, **k: seen.append((level, msg % a if a else msg)),
):
(result, logs) = extract_info_sync(
{}, "https://example.com/video", debug=False, capture_logs=logging.WARNING
)
assert result["id"] == "test123"
assert logs == ["[generic_browser] Browser fallback warning"]
assert (logging.INFO, "[generic_browser] Using remote browser for https://example.com/video") in seen
assert (logging.WARNING, "[generic_browser] Browser fallback warning") in seen
def test_process_safe_live(self) -> None:
data = {
"id": "live-id",
"is_live": True,
"formats": [{"format_id": "dash", "fragments": ({"url": "https://example.test/sq/1"} for _ in range(1))}],
"requested_formats": [{"format_id": "dash"}],
}
result = _process_safe_info(data)
assert result[REEXTRACT_INFO_KEY] is True
assert "formats" not in result
assert "requested_formats" not in result
pickle.dumps(result)
def test_process_safe_post_live(self) -> None:
data = {
"id": "post-live-id",
"live_status": "post_live",
"formats": [{"format_id": "dash", "fragments": ({"url": "https://example.test/sq/1"} for _ in range(1))}],
}
result = _process_safe_info(data)
assert result[REEXTRACT_INFO_KEY] is True
assert "formats" not in result
pickle.dumps(result)
def test_process_safe_lazy(self) -> None:
from yt_dlp.utils import LazyList
data = {"id": "video-id", "formats": LazyList({"format_id": str(i)} for i in range(2))}
result = _process_safe_info(data)
assert result["formats"] == [{"format_id": "0"}, {"format_id": "1"}]
pickle.dumps(result)
class TestYtdlpLogger:
def test_debug_prefix_uses_debug(self) -> None:
logger = MagicMock()
_ytdlp_logger(logger)(logging.DEBUG, "[debug] hello")
logger.debug.assert_called_once_with("hello", stacklevel=4)
def test_screen_style_debug_uses_info(self) -> None:
logger = MagicMock()
_ytdlp_logger(logger)(logging.DEBUG, "screen line")
logger.info.assert_called_once_with("screen line", stacklevel=4)
def test_targets_are_picklable(self) -> None:
logs: list[str] = []
wrapper = LogWrapper()
wrapper.add_target(_ytdlp_logger(logging.getLogger("yt-dlp.test")), level=logging.DEBUG, name="yt-dlp.test")
wrapper.add_target(_LogCapture(logs), level=logging.WARNING, name="log-capture")
pickle.dumps(wrapper)
def test_capture_formats_args(self) -> None:
logs: list[str] = []
_LogCapture(logs)(logging.WARNING, "hello %s", "world")
assert logs == ["hello world"]