74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
from unittest.mock import AsyncMock, MagicMock, patch
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import pytest
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from lightrag.kg.postgres_impl import ClientManager
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@pytest.fixture(autouse=True)
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def reset_client_manager_state() -> None:
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ClientManager._instances = {"db": None, "ref_count": 0, "vector_signature": None}
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def test_pg_vector_storage_enables_vector() -> None:
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config = ClientManager.get_config("PGVectorStorage")
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assert config["enable_vector"] is True
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def test_non_pg_vector_storage_disables_vector() -> None:
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config = ClientManager.get_config("NanoVectorDBStorage")
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assert config["enable_vector"] is False
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def test_milvus_storage_disables_vector() -> None:
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config = ClientManager.get_config("MilvusVectorDBStorage")
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assert config["enable_vector"] is False
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def test_qdrant_storage_disables_vector() -> None:
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config = ClientManager.get_config("QdrantVectorDBStorage")
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assert config["enable_vector"] is False
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def test_none_vector_storage_defaults_to_true() -> None:
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# Backward compatibility: when vector_storage is unknown (None), default to True.
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config = ClientManager.get_config(None)
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assert config["enable_vector"] is True
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def test_no_args_defaults_to_true() -> None:
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# Backward compatibility: calling without arguments preserves prior behavior.
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config = ClientManager.get_config()
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assert config["enable_vector"] is True
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@pytest.mark.asyncio
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async def test_get_client_reuses_shared_pool_for_same_vector_settings() -> None:
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db = MagicMock()
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db.initdb = AsyncMock()
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db.check_tables = AsyncMock()
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with patch("lightrag.kg.postgres_impl.PostgreSQLDB", return_value=db) as db_cls:
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first = await ClientManager.get_client("PGVectorStorage")
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second = await ClientManager.get_client("PGVectorStorage")
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assert first is db
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assert second is db
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assert ClientManager._instances["ref_count"] == 2
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db_cls.assert_called_once()
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db.initdb.assert_awaited_once()
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db.check_tables.assert_awaited_once()
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@pytest.mark.asyncio
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async def test_get_client_rejects_conflicting_vector_storage_settings() -> None:
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db = MagicMock()
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db.initdb = AsyncMock()
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db.check_tables = AsyncMock()
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with patch("lightrag.kg.postgres_impl.PostgreSQLDB", return_value=db):
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await ClientManager.get_client("NanoVectorDBStorage")
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with pytest.raises(RuntimeError, match="process-wide"):
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await ClientManager.get_client("PGVectorStorage")
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