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0828c2c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 | """Tests for vectorstore module."""
import tempfile
from unittest.mock import MagicMock, patch
import pytest
from langchain_core.documents import Document
from src.vectorstore import VectorStoreManager, get_vectorstore_manager
@pytest.fixture
def mock_config():
"""Create a mock config."""
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
"retrieval.vector.search_type": "similarity",
"retrieval.vector.search_kwargs": {},
"retrieval.vector.k": 4,
}.get(key, default)
mock.return_value.get_env.side_effect = lambda key, default=None: {
"CHROMA_PERSIST_DIR": tempfile.mkdtemp(),
}.get(key, default)
yield mock
@pytest.fixture
def mock_embeddings():
"""Create mock embeddings."""
with patch("src.vectorstore.HuggingFaceEmbeddings") as mock:
mock_embedding = MagicMock()
mock_embedding.embed_documents.return_value = [[0.1, 0.2, 0.3]]
mock_embedding.embed_query.return_value = [0.1, 0.2, 0.3]
mock.return_value = mock_embedding
yield mock
@pytest.fixture
def sample_documents():
"""Create sample documents for testing."""
return [
Document(
page_content="This is a test document about AI.",
metadata={"source": "test1.txt"},
),
Document(
page_content="Machine learning is a subset of AI.",
metadata={"source": "test2.txt"},
),
Document(
page_content="Deep learning uses neural networks.",
metadata={"source": "test3.txt"},
),
]
# --- VectorStoreManager Tests ---
def test_vectorstore_manager_init(mock_config, mock_embeddings):
"""Test VectorStoreManager initialization."""
manager = VectorStoreManager()
assert manager is not None
assert manager.embeddings is not None
assert manager.vectorstore is None
def test_create_vectorstore_empty_documents_raises(mock_config, mock_embeddings):
"""Test create_vectorstore raises for empty documents."""
manager = VectorStoreManager()
with pytest.raises(ValueError, match="No documents provided"):
manager.create_vectorstore([])
def test_create_vectorstore_success(mock_config, mock_embeddings, sample_documents):
"""Test create_vectorstore creates store successfully."""
manager = VectorStoreManager()
with patch("src.vectorstore.Chroma") as mock_chroma:
mock_chroma.from_documents.return_value = MagicMock()
result = manager.create_vectorstore(sample_documents)
assert result is not None
mock_chroma.from_documents.assert_called_once()
def test_create_vectorstore_error(mock_config, mock_embeddings, sample_documents):
"""Test create_vectorstore handles errors."""
manager = VectorStoreManager()
with patch("src.vectorstore.Chroma") as mock_chroma:
mock_chroma.from_documents.side_effect = Exception("Chroma error")
with pytest.raises(Exception, match="Chroma error"):
manager.create_vectorstore(sample_documents)
def test_load_vectorstore_not_found(mock_config, mock_embeddings):
"""Test load_vectorstore raises for missing store."""
with tempfile.TemporaryDirectory() as tmpdir:
# Use temp directory but point to non-existent subdirectory for load
nonexistent_subdir = f"{tmpdir}/nonexistent_store"
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
}.get(key, default)
# Use valid temp path for init, but set persist_directory after
mock.return_value.get_env.return_value = tmpdir
manager = VectorStoreManager()
# Override with non-existent path for the test
manager.persist_directory = nonexistent_subdir
with pytest.raises(FileNotFoundError, match="Vector store not found"):
manager.load_vectorstore()
def test_load_vectorstore_success(mock_config, mock_embeddings):
"""Test load_vectorstore loads successfully."""
with tempfile.TemporaryDirectory() as tmpdir:
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
}.get(key, default)
mock.return_value.get_env.return_value = tmpdir
manager = VectorStoreManager()
with patch("src.vectorstore.Chroma") as mock_chroma:
mock_store = MagicMock()
mock_store._collection.count.return_value = 10
mock_chroma.return_value = mock_store
result = manager.load_vectorstore()
assert result is not None
assert manager.vectorstore is not None
def test_load_vectorstore_error(mock_config, mock_embeddings):
"""Test load_vectorstore handles errors."""
with tempfile.TemporaryDirectory() as tmpdir:
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
}.get(key, default)
mock.return_value.get_env.return_value = tmpdir
manager = VectorStoreManager()
with patch("src.vectorstore.Chroma") as mock_chroma:
mock_chroma.side_effect = Exception("Load error")
with pytest.raises(Exception, match="Load error"):
manager.load_vectorstore()
def test_get_retriever_loads_if_not_loaded(mock_config, mock_embeddings):
"""Test get_retriever loads vectorstore if not loaded."""
with tempfile.TemporaryDirectory() as tmpdir:
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
"retrieval.vector.search_type": "similarity",
"retrieval.vector.search_kwargs": {},
"retrieval.vector.k": 4,
}.get(key, default)
mock.return_value.get_env.return_value = tmpdir
manager = VectorStoreManager()
with patch("src.vectorstore.Chroma") as mock_chroma:
mock_store = MagicMock()
mock_store._collection.count.return_value = 10
mock_chroma.return_value = mock_store
retriever = manager.get_retriever()
assert retriever is not None
def test_get_retriever_similarity_search(mock_config, mock_embeddings):
"""Test get_retriever with similarity search."""
manager = VectorStoreManager()
mock_store = MagicMock()
manager.vectorstore = mock_store
manager.get_retriever()
mock_store.as_retriever.assert_called_once()
def test_get_retriever_mmr_search(mock_embeddings):
"""Test get_retriever with MMR search."""
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
"retrieval.vector.search_type": "mmr",
"retrieval.vector.search_kwargs": {"fetch_k": 20, "lambda_mult": 0.5},
"retrieval.vector.k": 4,
}.get(key, default)
mock.return_value.get_env.return_value = tempfile.mkdtemp()
manager = VectorStoreManager()
mock_store = MagicMock()
manager.vectorstore = mock_store
manager.get_retriever()
call_args = mock_store.as_retriever.call_args
assert call_args is not None
assert call_args.kwargs.get("search_type") == "mmr"
def test_add_documents_loads_if_not_loaded(mock_config, mock_embeddings, sample_documents):
"""Test add_documents loads vectorstore if not loaded."""
with tempfile.TemporaryDirectory() as tmpdir:
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
}.get(key, default)
mock.return_value.get_env.return_value = tmpdir
manager = VectorStoreManager()
with patch("src.vectorstore.Chroma") as mock_chroma:
mock_store = MagicMock()
mock_store._collection.count.return_value = 10
mock_chroma.return_value = mock_store
manager.add_documents(sample_documents)
mock_store.add_documents.assert_called_once_with(sample_documents)
def test_add_documents_error(mock_config, mock_embeddings, sample_documents):
"""Test add_documents handles errors."""
manager = VectorStoreManager()
mock_store = MagicMock()
mock_store.add_documents.side_effect = Exception("Add error")
manager.vectorstore = mock_store
with pytest.raises(Exception, match="Add error"):
manager.add_documents(sample_documents)
def test_delete_collection(mock_config, mock_embeddings):
"""Test delete_collection deletes the collection."""
manager = VectorStoreManager()
mock_store = MagicMock()
manager.vectorstore = mock_store
with patch("src.vectorstore.chromadb") as mock_chromadb:
mock_client = MagicMock()
mock_chromadb.PersistentClient.return_value = mock_client
manager.delete_collection()
mock_client.delete_collection.assert_called_once()
assert manager.vectorstore is None
def test_delete_collection_error(mock_config, mock_embeddings):
"""Test delete_collection handles errors."""
manager = VectorStoreManager()
with patch("src.vectorstore.chromadb") as mock_chromadb:
mock_chromadb.PersistentClient.side_effect = Exception("Delete error")
with pytest.raises(Exception, match="Delete error"):
manager.delete_collection()
def test_similarity_search_loads_if_not_loaded(mock_config, mock_embeddings):
"""Test similarity_search loads vectorstore if not loaded."""
with tempfile.TemporaryDirectory() as tmpdir:
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
}.get(key, default)
mock.return_value.get_env.return_value = tmpdir
manager = VectorStoreManager()
with patch("src.vectorstore.Chroma") as mock_chroma:
mock_store = MagicMock()
mock_store._collection.count.return_value = 10
mock_store.similarity_search.return_value = []
mock_chroma.return_value = mock_store
results = manager.similarity_search("test query")
assert results == []
def test_similarity_search(mock_config, mock_embeddings, sample_documents):
"""Test similarity_search performs search."""
manager = VectorStoreManager()
mock_store = MagicMock()
mock_store.similarity_search.return_value = sample_documents[:2]
manager.vectorstore = mock_store
results = manager.similarity_search("AI and machine learning", k=2)
assert len(results) == 2
mock_store.similarity_search.assert_called_once_with("AI and machine learning", k=2)
# --- Factory Function Tests ---
def test_get_vectorstore_manager():
"""Test get_vectorstore_manager returns instance."""
with patch("src.vectorstore.get_config") as mock:
mock.return_value.get.side_effect = lambda key, default=None: {
"embeddings.model_name": "sentence-transformers/all-MiniLM-L6-v2",
"embeddings.device": "cpu",
"vectorstore.collection_name": "test_collection",
}.get(key, default)
mock.return_value.get_env.return_value = tempfile.mkdtemp()
with patch("src.vectorstore.HuggingFaceEmbeddings"):
manager = get_vectorstore_manager()
assert isinstance(manager, VectorStoreManager)
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