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import pytest
from typing import Generator, List, Callable, Dict, Union
from chromadb.types import Collection, Segment, SegmentScope
from chromadb.db.impl.sqlite import SqliteDB
from chromadb.config import System, Settings
from chromadb.db.system import SysDB
from chromadb.db.base import NotFoundError, UniqueConstraintError
from pytest import FixtureRequest
import uuid
def sqlite() -> Generator[SysDB, None, None]:
"""Fixture generator for sqlite DB"""
db = SqliteDB(System(Settings(sqlite_database=":memory:", allow_reset=True)))
db.start()
yield db
db.stop()
def db_fixtures() -> List[Callable[[], Generator[SysDB, None, None]]]:
return [sqlite]
@pytest.fixture(scope="module", params=db_fixtures())
def sysdb(request: FixtureRequest) -> Generator[SysDB, None, None]:
yield next(request.param())
sample_collections = [
Collection(
id=uuid.uuid4(),
name="test_collection_1",
topic="test_topic_1",
metadata={"test_str": "str1", "test_int": 1, "test_float": 1.3},
),
Collection(
id=uuid.uuid4(),
name="test_collection_2",
topic="test_topic_2",
metadata={"test_str": "str2", "test_int": 2, "test_float": 2.3},
),
Collection(
id=uuid.uuid4(),
name="test_collection_3",
topic="test_topic_3",
metadata={"test_str": "str3", "test_int": 3, "test_float": 3.3},
),
]
def test_create_get_delete_collections(sysdb: SysDB) -> None:
sysdb.reset()
for collection in sample_collections:
sysdb.create_collection(collection)
results = sysdb.get_collections()
results = sorted(results, key=lambda c: c["name"])
assert sorted(results, key=lambda c: c["name"]) == sample_collections
# Duplicate create fails
with pytest.raises(UniqueConstraintError):
sysdb.create_collection(sample_collections[0])
# Find by name
for collection in sample_collections:
result = sysdb.get_collections(name=collection["name"])
assert result == [collection]
# Find by topic
for collection in sample_collections:
result = sysdb.get_collections(topic=collection["topic"])
assert result == [collection]
# Find by id
for collection in sample_collections:
result = sysdb.get_collections(id=collection["id"])
assert result == [collection]
# Find by id and topic (positive case)
for collection in sample_collections:
result = sysdb.get_collections(id=collection["id"], topic=collection["topic"])
assert result == [collection]
# find by id and topic (negative case)
for collection in sample_collections:
result = sysdb.get_collections(id=collection["id"], topic="other_topic")
assert result == []
# Delete
c1 = sample_collections[0]
sysdb.delete_collection(c1["id"])
results = sysdb.get_collections()
assert c1 not in results
assert len(results) == len(sample_collections) - 1
assert sorted(results, key=lambda c: c["name"]) == sample_collections[1:]
by_id_result = sysdb.get_collections(id=c1["id"])
assert by_id_result == []
# Duplicate delete throws an exception
with pytest.raises(NotFoundError):
sysdb.delete_collection(c1["id"])
def test_update_collections(sysdb: SysDB) -> None:
metadata: Dict[str, Union[str, int, float]] = {
"test_str": "str1",
"test_int": 1,
"test_float": 1.3,
}
coll = Collection(
id=uuid.uuid4(),
name="test_collection_1",
topic="test_topic_1",
metadata=metadata,
)
sysdb.reset()
sysdb.create_collection(coll)
# Update name
coll["name"] = "new_name"
sysdb.update_collection(coll["id"], name=coll["name"])
result = sysdb.get_collections(name=coll["name"])
assert result == [coll]
# Update topic
coll["topic"] = "new_topic"
sysdb.update_collection(coll["id"], topic=coll["topic"])
result = sysdb.get_collections(topic=coll["topic"])
assert result == [coll]
# Add a new metadata key
metadata["test_str2"] = "str2"
sysdb.update_collection(coll["id"], metadata={"test_str2": "str2"})
result = sysdb.get_collections(id=coll["id"])
assert result == [coll]
# Update a metadata key
metadata["test_str"] = "str3"
sysdb.update_collection(coll["id"], metadata={"test_str": "str3"})
result = sysdb.get_collections(id=coll["id"])
assert result == [coll]
# Delete a metadata key
del metadata["test_str"]
sysdb.update_collection(coll["id"], metadata={"test_str": None})
result = sysdb.get_collections(id=coll["id"])
assert result == [coll]
# Delete all metadata keys
coll["metadata"] = None
sysdb.update_collection(coll["id"], metadata=None)
result = sysdb.get_collections(id=coll["id"])
assert result == [coll]
sample_segments = [
Segment(
id=uuid.UUID("00000000-d7d7-413b-92e1-731098a6e492"),
type="test_type_a",
scope=SegmentScope.VECTOR,
topic=None,
collection=sample_collections[0]["id"],
metadata={"test_str": "str1", "test_int": 1, "test_float": 1.3},
),
Segment(
id=uuid.UUID("11111111-d7d7-413b-92e1-731098a6e492"),
type="test_type_b",
topic="test_topic_2",
scope=SegmentScope.VECTOR,
collection=sample_collections[1]["id"],
metadata={"test_str": "str2", "test_int": 2, "test_float": 2.3},
),
Segment(
id=uuid.UUID("22222222-d7d7-413b-92e1-731098a6e492"),
type="test_type_b",
topic="test_topic_3",
scope=SegmentScope.METADATA,
collection=None,
metadata={"test_str": "str3", "test_int": 3, "test_float": 3.3},
),
]
def test_create_get_delete_segments(sysdb: SysDB) -> None:
sysdb.reset()
for collection in sample_collections:
sysdb.create_collection(collection)
for segment in sample_segments:
sysdb.create_segment(segment)
results = sysdb.get_segments()
results = sorted(results, key=lambda c: c["id"])
assert results == sample_segments
# Duplicate create fails
with pytest.raises(UniqueConstraintError):
sysdb.create_segment(sample_segments[0])
# Find by id
for segment in sample_segments:
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
# Find by type
result = sysdb.get_segments(type="test_type_a")
assert result == sample_segments[:1]
result = sysdb.get_segments(type="test_type_b")
assert result == sample_segments[1:]
# Find by collection ID
result = sysdb.get_segments(collection=sample_collections[0]["id"])
assert result == sample_segments[:1]
# Find by type and collection ID (positive case)
result = sysdb.get_segments(
type="test_type_a", collection=sample_collections[0]["id"]
)
assert result == sample_segments[:1]
# Find by type and collection ID (negative case)
result = sysdb.get_segments(
type="test_type_b", collection=sample_collections[0]["id"]
)
assert result == []
# Delete
s1 = sample_segments[0]
sysdb.delete_segment(s1["id"])
results = sysdb.get_segments()
assert s1 not in results
assert len(results) == len(sample_segments) - 1
assert sorted(results, key=lambda c: c["type"]) == sample_segments[1:]
# Duplicate delete throws an exception
with pytest.raises(NotFoundError):
sysdb.delete_segment(s1["id"])
def test_update_segment(sysdb: SysDB) -> None:
metadata: Dict[str, Union[str, int, float]] = {
"test_str": "str1",
"test_int": 1,
"test_float": 1.3,
}
segment = Segment(
id=uuid.uuid4(),
type="test_type_a",
scope=SegmentScope.VECTOR,
topic="test_topic_a",
collection=sample_collections[0]["id"],
metadata=metadata,
)
sysdb.reset()
for c in sample_collections:
sysdb.create_collection(c)
sysdb.create_segment(segment)
# Update topic to new value
segment["topic"] = "new_topic"
sysdb.update_segment(segment["id"], topic=segment["topic"])
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
# Update topic to None
segment["topic"] = None
sysdb.update_segment(segment["id"], topic=segment["topic"])
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
# Update collection to new value
segment["collection"] = sample_collections[1]["id"]
sysdb.update_segment(segment["id"], collection=segment["collection"])
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
# Update collection to None
segment["collection"] = None
sysdb.update_segment(segment["id"], collection=segment["collection"])
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
# Add a new metadata key
metadata["test_str2"] = "str2"
sysdb.update_segment(segment["id"], metadata={"test_str2": "str2"})
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
# Update a metadata key
metadata["test_str"] = "str3"
sysdb.update_segment(segment["id"], metadata={"test_str": "str3"})
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
# Delete a metadata key
del metadata["test_str"]
sysdb.update_segment(segment["id"], metadata={"test_str": None})
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
# Delete all metadata keys
segment["metadata"] = None
sysdb.update_segment(segment["id"], metadata=None)
result = sysdb.get_segments(id=segment["id"])
assert result == [segment]
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