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basicmachines-co-basic-memory/tests/test_memory_service.py
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2024-12-07 22:15:22 -06:00

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Python

"""Tests for the MemoryService class."""
import pytest
from basic_memory.services import MemoryService
from basic_memory.fileio import read_entity_file
from basic_memory.models import Entity as EntityModel, Observation, Relation
from basic_memory.schemas import EntityIn
test_entities_data = [
{
"name": "Test_Entity_1",
"entity_type": "test",
"observations": [{"content":"Observation 1.1"}, {"content":"Observation 1.2"}]
},
{
"name": "Test_Entity_2",
"entity_type": "test",
"observations": [{"content":"Observation 2.1"}, {"content":"Observation 2.2"}]
}
]
@pytest.mark.asyncio
async def test_create_entities(memory_service: MemoryService):
"""Should create multiple entities in parallel with their observations."""
# Create entities - returns List[models.Entity]
entities = await memory_service.create_entities(test_entities_data)
# Verify the SQLAlchemy models were created
assert len(entities) == 2
# Check first entity
assert entities[0].name == "Test_Entity_1"
assert entities[0].entity_type == "test"
assert len(entities[0].observations) == 2
assert entities[0].observations[0].content == "Observation 1.1"
assert entities[0].observations[1].content == "Observation 1.2"
# Check second entity
assert entities[1].name == "Test_Entity_2"
assert entities[1].entity_type == "test"
assert len(entities[1].observations) == 2
assert entities[1].observations[0].content == "Observation 2.1"
assert entities[1].observations[1].content == "Observation 2.2"
# Verify files were created (returns Pydantic Entity)
file_entity1 = await read_entity_file(memory_service.entities_path, entities[0].id)
file_entity2 = await read_entity_file(memory_service.entities_path, entities[1].id)
assert file_entity1.name == "Test_Entity_1"
assert file_entity2.name == "Test_Entity_2"
@pytest.mark.asyncio
async def test_add_observations(memory_service: MemoryService):
"""Should add observations to an existing entity."""
# First create an entity - returns SQLAlchemy Entity
entities = await memory_service.create_entities([test_entities_data[0]])
entity = entities[0]
# Create observations input
observations_data = {
"entity_id": entity.id,
"observations": [
{"content": "New observation 1"},
{"content": "New observation 2", "context": "test context"}
]
}
# Add observations - returns List[models.Observation]
added_observations = await memory_service.add_observations(observations_data)
# Check the SQLAlchemy model results
assert len(added_observations) == 2
assert added_observations[0].content == "New observation 1"
assert added_observations[0].context is None
assert added_observations[1].content == "New observation 2"
assert added_observations[1].context == "test context"
# Verify file was updated - returns Pydantic Entity
updated_entity = await read_entity_file(memory_service.entities_path, entity.id)
assert len(updated_entity.observations) == 4 # 2 original + 2 new
assert updated_entity.observations[2].content == "New observation 1"
assert updated_entity.observations[3].content == "New observation 2"
assert updated_entity.observations[3].context == "test context"
# Verify database - returns SQLAlchemy Entity
db_entity = await memory_service.entity_service.get_entity(entity.id)
assert len(db_entity.observations) == 4
@pytest.mark.asyncio
async def test_add_observations_nonexistent_entity(memory_service: MemoryService):
"""Should raise an appropriate error when adding observations to a non-existent entity."""
observations_data = {
"entity_id": "nonexistent-id",
"observations": [{"content": "Test observation"}]
}
with pytest.raises(Exception) as exc: # We might want to define a specific error type
await memory_service.add_observations(observations_data)
@pytest.mark.asyncio
async def test_create_relations(memory_service: MemoryService):
"""Should create relations between entities and update both filesystem and database."""
# First create entities - returns List[models.Entity]
entities = await memory_service.create_entities(test_entities_data)
entity1, entity2 = entities
# Create test relations data using actual entity IDs
test_relations_data = [
{
"from_id": entity1.id,
"to_id": entity2.id,
"relation_type": "connects_to"
},
{
"from_id": entity2.id,
"to_id": entity1.id,
"relation_type": "references",
"context": "test context"
}
]
# Create relations - returns List[models.Relation]
relations = await memory_service.create_relations(test_relations_data)
# Verify SQLAlchemy Relation models were created
assert len(relations) == 2
# Check first relation
assert relations[0].from_id == entity1.id
assert relations[0].to_id == entity2.id
assert relations[0].relation_type == "connects_to"
assert relations[0].context is None
# Check second relation
assert relations[1].from_id == entity2.id
assert relations[1].to_id == entity1.id
assert relations[1].relation_type == "references"
assert relations[1].context == "test context"
# Read updated entities from filesystem - returns Pydantic Entities
updated_entity1 = await read_entity_file(memory_service.entities_path, entity1.id)
updated_entity2 = await read_entity_file(memory_service.entities_path, entity2.id)
# Verify relations were added to entity1 in filesystem
assert len(updated_entity1.relations) == 1
assert updated_entity1.relations[0].from_id == entity1.id
assert updated_entity1.relations[0].to_id == entity2.id
assert updated_entity1.relations[0].relation_type == "connects_to"
# Verify relations were added to entity2 in filesystem
assert len(updated_entity2.relations) == 1
assert updated_entity2.relations[0].from_id == entity2.id
assert updated_entity2.relations[0].to_id == entity1.id
assert updated_entity2.relations[0].relation_type == "references"
assert updated_entity2.relations[0].context == "test context"
# Now verify database state - get SQLAlchemy Entity models
db_entity1 = await memory_service.entity_service.get_entity(entity1.id)
db_entity2 = await memory_service.entity_service.get_entity(entity2.id)
# Entity 1 should have one outgoing relation to entity 2
assert len(db_entity1.outgoing_relations) == 1
outgoing = db_entity1.outgoing_relations[0]
assert outgoing.from_id == entity1.id
assert outgoing.to_id == entity2.id
assert outgoing.relation_type == "connects_to"
assert outgoing.context is None
# Entity 1 should have one incoming relation from entity 2
assert len(db_entity1.incoming_relations) == 1
incoming = db_entity1.incoming_relations[0]
assert incoming.from_id == entity2.id
assert incoming.to_id == entity1.id
assert incoming.relation_type == "references"
assert incoming.context == "test context"
# Verify the same for entity 2 (reversed)
assert len(db_entity2.outgoing_relations) == 1
assert len(db_entity2.incoming_relations) == 1
@pytest.mark.asyncio
async def test_create_relations_with_invalid_entity_id(memory_service: MemoryService):
"""Should raise an appropriate error when trying to create relations with non-existent entity IDs."""
# Create one entity - returns SQLAlchemy Entity
entities = await memory_service.create_entities([test_entities_data[0]])
entity1 = entities[0]
# Try to create relation with non-existent entity ID
bad_relation = {
"from_id": entity1.id,
"to_id": "nonexistent-id",
"relation_type": "connects_to"
}
with pytest.raises(Exception) as exc: # We might want to define a specific error type
await memory_service.create_relations([bad_relation])