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import asyncio
import os
from unittest.mock import AsyncMock, MagicMock, patch
from app.storage import TranscriptStore
from app.transcriber import (
IPBlockedError,
TranscriptDisabledError,
)
from app.worker import process_next
def _to_thread_passthrough(func, *args, **kwargs):
"""Replacement for asyncio.to_thread that runs the function synchronously."""
async def _coro():
return func(*args, **kwargs)
return _coro()
def _patch_to_thread():
return patch("app.worker.asyncio.to_thread", new=_to_thread_passthrough)
class TestProcessNext:
def test_process_next_returns_false_when_queue_empty(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
with patch("app.worker.asyncio.sleep", new_callable=AsyncMock) as mock_sleep:
api = MagicMock()
result = await process_next(store, api)
assert result is False
mock_sleep.assert_not_called()
await store.close()
asyncio.run(_run())
def test_process_next_success(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
entry = await store.enqueue("vid_001")
with patch("app.worker.asyncio.sleep", new_callable=AsyncMock) as mock_sleep, \
_patch_to_thread(), \
patch("app.worker.fetch_transcript_by_id", return_value=[{"text": "hello", "start": 0.0, "duration": 1.0}]):
api = MagicMock()
result = await process_next(store, api)
assert result is True
mock_sleep.assert_called_once()
slept_for = mock_sleep.call_args.args[0]
assert 30.0 <= slept_for <= 60.0
assert abs(slept_for - entry["assigned_delay"]) < 0.001
transcript = await store.get_transcript("vid_001")
assert transcript is not None
assert transcript["full_text"] == "hello"
assert await store.get_queue_entry("vid_001") is None
await store.close()
asyncio.run(_run())
def test_process_next_ip_blocked(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
await store.enqueue("vid_001")
with patch("app.worker.asyncio.sleep", new_callable=AsyncMock), \
_patch_to_thread(), \
patch("app.worker.fetch_transcript_by_id", side_effect=IPBlockedError("blocked")):
api = MagicMock()
result = await process_next(store, api)
assert result is True
entry = await store.get_queue_entry("vid_001")
assert entry is not None
assert entry["status"] == "failed"
assert entry["error_type"] == "ip_blocked"
assert await store.get_transcript("vid_001") is None
await store.close()
asyncio.run(_run())
def test_process_next_transcript_disabled(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
await store.enqueue("vid_001")
with patch("app.worker.asyncio.sleep", new_callable=AsyncMock), \
_patch_to_thread(), \
patch("app.worker.fetch_transcript_by_id", side_effect=TranscriptDisabledError("disabled")):
api = MagicMock()
result = await process_next(store, api)
assert result is True
entry = await store.get_queue_entry("vid_001")
assert entry is not None
assert entry["status"] == "failed"
assert entry["error_type"] == "transcript_disabled"
await store.close()
asyncio.run(_run())
def test_process_next_downloads_before_sleeping(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
await store.enqueue("vid_001")
call_order = []
async def mock_sleep(seconds):
call_order.append("sleep")
def mock_fetch(video_id, api):
call_order.append("fetch")
return [{"text": "hello", "start": 0.0, "duration": 1.0}]
with patch("app.worker.asyncio.sleep", side_effect=mock_sleep), \
_patch_to_thread(), \
patch("app.worker.fetch_transcript_by_id", side_effect=mock_fetch):
api = MagicMock()
result = await process_next(store, api)
assert result is True
assert call_order == ["fetch", "sleep"]
await store.close()
asyncio.run(_run())
def test_process_next_sleeps_after_error(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
entry = await store.enqueue("vid_001")
with patch("app.worker.asyncio.sleep", new_callable=AsyncMock) as mock_sleep, \
_patch_to_thread(), \
patch("app.worker.fetch_transcript_by_id", side_effect=IPBlockedError("blocked")):
api = MagicMock()
result = await process_next(store, api)
assert result is True
mock_sleep.assert_called_once()
slept_for = mock_sleep.call_args.args[0]
assert abs(slept_for - entry["assigned_delay"]) < 0.001
entry = await store.get_queue_entry("vid_001")
assert entry is not None
assert entry["status"] == "failed"
await store.close()
asyncio.run(_run())
def test_process_next_sleeps_after_error_before_next_download(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
await store.enqueue("vid_001")
call_order = []
async def mock_sleep(seconds):
call_order.append("sleep")
def mock_fetch(video_id, api):
call_order.append("fetch")
raise IPBlockedError("blocked")
with patch("app.worker.asyncio.sleep", side_effect=mock_sleep), \
_patch_to_thread(), \
patch("app.worker.fetch_transcript_by_id", side_effect=mock_fetch):
api = MagicMock()
await process_next(store, api)
assert call_order == ["fetch", "sleep"]
await store.close()
asyncio.run(_run())
def test_process_next_no_sleep_before_first_download_after_empty_queue(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
call_order = []
async def mock_sleep(seconds):
call_order.append("sleep")
def mock_fetch(video_id, api):
call_order.append("fetch")
return [{"text": "hello", "start": 0.0, "duration": 1.0}]
with patch("app.worker.asyncio.sleep", side_effect=mock_sleep), \
_patch_to_thread(), \
patch("app.worker.fetch_transcript_by_id", side_effect=mock_fetch):
api = MagicMock()
# Queue is empty — no sleep, no fetch
result = await process_next(store, api)
assert result is False
assert call_order == []
# Video is added while queue was idle
await store.enqueue("vid_001")
# Next call downloads immediately, then sleeps after
result = await process_next(store, api)
assert result is True
assert call_order == ["fetch", "sleep"]
await store.close()
asyncio.run(_run())
def test_process_next_processes_fifo_order(self, tmp_path) -> None:
async def _run() -> None:
db_path = os.path.join(str(tmp_path), "test.db")
store = TranscriptStore(db_path=db_path)
await store.initialize()
await store.enqueue("vid_001")
await store.enqueue("vid_002")
with patch("app.worker.asyncio.sleep", new_callable=AsyncMock), \
_patch_to_thread(), \
patch("app.worker.fetch_transcript_by_id", return_value=[{"text": "first", "start": 0.0, "duration": 1.0}]):
api = MagicMock()
await process_next(store, api)
assert (await store.get_transcript("vid_001")) is not None
assert (await store.get_transcript("vid_002")) is None
assert (await store.get_queue_entry("vid_002")) is not None
await store.close()
asyncio.run(_run())
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