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71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
"""LangRAG mutation ordering against a detached, simulated Host vector commit."""
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import asyncio
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import pytest
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from langbot_plugin.api.entities.builtin.rag import IngestionContext, FileMetadata, FileObject, ParseResult
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from test_shared_state import load_plugin, bind, StorageFixture
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def context():
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return IngestionContext(knowledge_base_id='kb', file_object=FileObject(
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metadata=FileMetadata(filename='file.txt', mime_type='text/plain', file_size=4, document_id='doc', knowledge_base_id='kb'),
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storage_path='unused'), parsed_content=ParseResult(text='test content'),
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creation_settings={'embedding_model_uuid': 'fixture-model'})
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@pytest.mark.asyncio
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async def test_cancelled_ingest_cannot_commit_after_delete():
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pc, ec = load_plugin('LangRAG')
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plugin = bind(pc, StorageFixture())
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await plugin.initialize()
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entered, release = asyncio.Event(), asyncio.Event()
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rows = []
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async def embed(*args):
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return [[1.0]]
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async def upsert(**kwargs):
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async def commit():
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entered.set()
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await release.wait()
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rows.extend(kwargs['ids'])
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await asyncio.shield(asyncio.create_task(commit()))
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async def delete(**kwargs):
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count = len(rows)
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rows.clear()
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return count
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plugin.invoke_embedding, plugin.vector_upsert, plugin.vector_delete = embed, upsert, delete
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engine = ec()
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engine.plugin = plugin
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task = asyncio.create_task(engine.ingest(context()))
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await entered.wait()
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task.cancel()
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await asyncio.sleep(0)
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task.cancel()
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deleted = asyncio.create_task(engine.delete_document('kb', 'doc'))
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try:
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await asyncio.sleep(.01)
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with pytest.raises(RuntimeError, match='fenced'):
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await deleted
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finally:
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release.set()
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await asyncio.gather(task, deleted, return_exceptions=True)
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# A detached Host may still commit; fenced state cannot claim safe deletion.
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with pytest.raises(RuntimeError, match='fenced'):
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await engine.delete_document('kb', 'doc')
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@pytest.mark.asyncio
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async def test_ambiguous_vector_failure_fences_future_mutations():
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pc, ec = load_plugin('LangRAG')
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plugin = bind(pc, StorageFixture())
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await plugin.initialize()
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async def embed(*args):
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return [[1.0]]
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async def upsert(**kwargs):
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raise TimeoutError('fixture unknown remote commit outcome')
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plugin.invoke_embedding, plugin.vector_upsert = embed, upsert
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engine = ec()
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engine.plugin = plugin
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result = await engine.ingest(context())
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assert result.status.value == 'failed'
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with pytest.raises(RuntimeError, match='fenced'):
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await engine.ingest(context())
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