98 lines
3.7 KiB
Python
98 lines
3.7 KiB
Python
from __future__ import annotations
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import io
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import tempfile
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import unittest
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from pathlib import Path
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from unittest.mock import patch
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from backend.features.review.agent import ReviewAssistantError, stream_review_assistant
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from database import ReviewDatabase
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from server import RequestHandler
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class StreamingResponse:
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def __init__(self, lines: list[bytes]):
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self.lines = lines
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def __enter__(self):
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return iter(self.lines)
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def __exit__(self, exc_type, exc, traceback):
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return False
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class ReviewAssistantStreamingTests(unittest.TestCase):
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def test_openai_compatible_sse_is_yielded_in_order(self):
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response = StreamingResponse(
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[
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b'data: {"choices":[{"delta":{"content":"first"}}]}\n',
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b'data: {"choices":[{"delta":{"content":" second"}}]}\n',
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b'data: [DONE]\n',
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]
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)
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with patch("backend.llm.transport.urllib.request.urlopen", return_value=response):
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chunks = list(
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stream_review_assistant({}, "question", [], "key", "https://example.test/v1", "model")
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)
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self.assertEqual(chunks, ["first", " second"])
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def test_empty_stream_is_rejected(self):
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response = StreamingResponse([b"data: [DONE]\n"])
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with patch("backend.llm.transport.urllib.request.urlopen", return_value=response):
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with self.assertRaises(ReviewAssistantError):
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list(
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stream_review_assistant({}, "question", [], "key", "https://example.test/v1", "model")
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)
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def test_final_full_message_does_not_duplicate_streamed_deltas(self):
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response = StreamingResponse(
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[
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b'data: {"choices":[{"delta":{"content":"first"}}]}\n',
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b'data: {"choices":[{"delta":{"content":" second"}}]}\n',
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b'data: {"choices":[{"message":{"content":"first second"}}]}\n',
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b"data: [DONE]\n",
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]
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)
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with patch("backend.llm.transport.urllib.request.urlopen", return_value=response):
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chunks = list(
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stream_review_assistant(
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{}, "question", [], "key", "https://example.test/v1", "model"
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)
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)
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self.assertEqual(chunks, ["first", " second"])
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def test_ndjson_event_writer_flushes_complete_line(self):
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handler = RequestHandler.__new__(RequestHandler)
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handler.wfile = io.BytesIO()
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RequestHandler._write_stream_event(handler, {"type": "delta", "content": "片段"})
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self.assertEqual(
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handler.wfile.getvalue().decode("utf-8"),
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'{"type":"delta","content":"片段"}\n',
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)
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class ReviewAssistantHistoryTests(unittest.TestCase):
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def setUp(self) -> None:
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self.temp = tempfile.TemporaryDirectory()
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self.database = ReviewDatabase(Path(self.temp.name) / "review.db")
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self.owner = self.database.create_user("assistant_owner", "salt", "hash")
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self.other = self.database.create_user("assistant_other", "salt", "hash")
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def tearDown(self) -> None:
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self.temp.cleanup()
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def test_history_is_private_and_clear_is_scoped(self):
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self.database.save_assistant_exchange(
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self.owner["id"], "今天怎么看？", "先看承接。", "20260722"
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)
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owner_messages = self.database.list_assistant_messages(self.owner["id"])
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self.assertEqual([item["role"] for item in owner_messages], ["user", "assistant"])
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self.assertEqual(self.database.list_assistant_messages(self.other["id"]), [])
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self.assertEqual(self.database.delete_assistant_messages(self.other["id"]), 0)
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self.assertEqual(self.database.delete_assistant_messages(self.owner["id"]), 2)
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if __name__ == "__main__":
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unittest.main()
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