kotaemon/tests/test_vectorstore.py
cin-jacky c329c4c03f [AUR-362] Add In-memory vector store (#22)
* [AUR-362] Add In-memory vector store

* [AUR-362] fix delete fun input format

* [AUR-362] revise persist and from persist path to save and load

* [AUR-362] revise simple.py to in_memory.py
2023-09-20 17:51:50 +09:00

102 lines
3.9 KiB
Python

import json
from kotaemon.documents.base import Document
from kotaemon.vectorstores import ChromaVectorStore, InMemoryVectorStore
class TestChromaVectorStore:
def test_add(self, tmp_path):
"""Test that the DB add correctly"""
db = ChromaVectorStore(path=str(tmp_path))
embeddings = [[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]]
metadatas = [{"a": 1, "b": 2}, {"a": 3, "b": 4}]
ids = ["1", "2"]
assert db._collection.count() == 0, "Expected empty collection"
output = db.add(embeddings=embeddings, metadatas=metadatas, ids=ids)
assert output == ids, "Expected output to be the same as ids"
assert db._collection.count() == 2, "Expected 2 added entries"
def test_add_from_docs(self, tmp_path):
db = ChromaVectorStore(path=str(tmp_path))
embeddings = [[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]]
metadatas = [{"a": 1, "b": 2}, {"a": 3, "b": 4}]
documents = [
Document(embedding=embedding, metadata=metadata)
for embedding, metadata in zip(embeddings, metadatas)
]
assert db._collection.count() == 0, "Expected empty collection"
output = db.add_from_docs(documents)
assert len(output) == 2, "Expected outputing 2 ids"
assert db._collection.count() == 2, "Expected 2 added entries"
def test_delete(self, tmp_path):
db = ChromaVectorStore(path=str(tmp_path))
embeddings = [[0.1, 0.2, 0.3], [0.4, 0.5, 0.6], [0.7, 0.8, 0.9]]
metadatas = [{"a": 1, "b": 2}, {"a": 3, "b": 4}, {"a": 5, "b": 6}]
ids = ["a", "b", "c"]
db.add(embeddings=embeddings, metadatas=metadatas, ids=ids)
assert db._collection.count() == 3, "Expected 3 added entries"
db.delete(ids=["a", "b"])
assert db._collection.count() == 1, "Expected 1 remaining entry"
db.delete(ids=["c"])
assert db._collection.count() == 0, "Expected 0 remaining entry"
def test_query(self, tmp_path):
db = ChromaVectorStore(path=str(tmp_path))
embeddings = [[0.1, 0.2, 0.3], [0.4, 0.5, 0.6], [0.7, 0.8, 0.9]]
metadatas = [{"a": 1, "b": 2}, {"a": 3, "b": 4}, {"a": 5, "b": 6}]
ids = ["a", "b", "c"]
db.add(embeddings=embeddings, metadatas=metadatas, ids=ids)
_, sim, out_ids = db.query(embedding=[0.1, 0.2, 0.3], top_k=1)
assert sim == [0.0]
assert out_ids == ["a"]
_, _, out_ids = db.query(embedding=[0.42, 0.52, 0.53], top_k=1)
assert out_ids == ["b"]
class TestSimpleVectorStore:
def test_add(self):
"""Test that add func adds correctly."""
embeddings = [[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]]
metadatas = [{"a": 1, "b": 2}, {"a": 3, "b": 4}]
ids = ["1", "2"]
db = InMemoryVectorStore()
output = db.add(embeddings=embeddings, metadatas=metadatas, ids=ids)
assert output == ids, "Excepted output to be the same as ids"
def test_save_load_delete(self, tmp_path):
"""Test that delete func deletes correctly."""
embeddings = [[0.1, 0.2, 0.3], [0.4, 0.5, 0.6], [0.7, 0.8, 0.9]]
metadatas = [{"a": 1, "b": 2}, {"a": 3, "b": 4}, {"a": 5, "b": 6}]
ids = ["1", "2", "3"]
db = InMemoryVectorStore()
db.add(embeddings=embeddings, metadatas=metadatas, ids=ids)
db.delete(["3"])
db.save(save_path=tmp_path / "test_save_load_delete.json")
f = open(tmp_path / "test_save_load_delete.json")
data = json.load(f)
assert (
"1" and "2" in data["text_id_to_ref_doc_id"]
), "persist function does not save data completely"
assert (
"3" not in data["text_id_to_ref_doc_id"]
), "delete function does not delete data completely"
db2 = InMemoryVectorStore()
output = db2.load(load_path=tmp_path / "test_save_load_delete.json")
assert output.get("2") == [
0.4,
0.5,
0.6,
], "persist function does not load data completely"