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from datetime import UTC, datetime
from uuid import UUID, uuid7
from personal_agent.database.database import Database
from personal_agent.memory.models import LongTermMemory, MemoryCategory
from personal_agent.memory.store import LongTermMemoryStore
def create_store(tmp_path):
database = Database(tmp_path / "test.db")
database.migrate()
return LongTermMemoryStore(database)
def test_get_returns_memory(tmp_path):
store = create_store(tmp_path)
memory = LongTermMemory.create(
"The user prefers direct technical explanations.",
MemoryCategory.SEMANTIC,
)
store.add(memory)
assert store.get(memory.id) == memory
def test_created_memory_has_uuid7_id():
memory = LongTermMemory.create(
"UUIDv7 teset",
MemoryCategory.SEMANTIC,
)
assert memory.id.version == 7
def test_created_memories_have_unique_ids():
first = LongTermMemory.create(
"First memory.",
MemoryCategory.SEMANTIC,
)
second = LongTermMemory.create(
"Second memory.",
MemoryCategory.SEMANTIC,
)
assert first.id != second.id
def test_get_preserves_memory_id(tmp_path):
store = create_store(tmp_path)
memory = LongTermMemory.create(
"ID round-trip test.",
MemoryCategory.SEMANTIC,
)
store.add(memory)
result = store.get(memory.id)
assert result is not None
assert result.id == memory.id
def test_get_missing_memory_returns_none(tmp_path):
store = create_store(tmp_path)
assert store.get(UUID("00000000-0000-7a3f-9c2e-1b4d8f6a0e37")) is None
def test_list_returns_memories(tmp_path):
store = create_store(tmp_path)
first = LongTermMemory.create(
"The user likes systems programming.",
MemoryCategory.SEMANTIC,
)
second = LongTermMemory.create(
"The user completed Phase 7.1a.",
MemoryCategory.EPISODIC,
)
store.add(first)
store.add(second)
assert store.list() == [first, second]
def test_delete_removes_memory(tmp_path):
store = create_store(tmp_path)
memory = LongTermMemory.create(
"Temporary memory.",
MemoryCategory.EPISODIC,
)
store.add(memory)
store.delete(memory.id)
assert store.get(memory.id) is None
def test_created_at_round_trips_as_utc(tmp_path):
store = create_store(tmp_path)
created_at = datetime(
2026,
9,
15,
12,
34,
56,
123456,
tzinfo=UTC,
)
memory = LongTermMemory(
id=uuid7(),
content="UTC timestamp test.",
category=MemoryCategory.SEMANTIC,
created_at=created_at,
)
store.add(memory)
result = store.get(memory.id)
assert result is not None
assert result.created_at == created_at
assert result.created_at.tzinfo is not None
assert result.created_at.utcoffset() == UTC.utcoffset(None)
def test_search_matches_content(tmp_path):
store = create_store(tmp_path)
first = LongTermMemory.create(
"The user prefers direct technical explanations.",
MemoryCategory.SEMANTIC,
)
second = LongTermMemory.create(
"The user is working on a local personal agent.",
MemoryCategory.SEMANTIC,
)
store.add(first)
store.add(second)
assert store.search("technical") == [first]
def test_search_returns_empty_list_when_no_memory_matches(tmp_path):
store = create_store(tmp_path)
memory = LongTermMemory.create(
"The user likes systems programming.",
MemoryCategory.SEMANTIC,
)
store.add(memory)
assert store.search("quantum physics") == []
def test_search_is_case_insensitive(tmp_path):
store = create_store(tmp_path)
memory = LongTermMemory.create(
"The user prefers Rust.",
MemoryCategory.SEMANTIC,
)
store.add(memory)
assert store.search("RUST") == [memory]
def test_search_can_filter_by_category(tmp_path):
store = create_store(tmp_path)
semantic = LongTermMemory.create(
"The user likes programming.",
MemoryCategory.SEMANTIC,
)
episodic = LongTermMemory.create(
"The user discussed programming yesterday.",
MemoryCategory.EPISODIC,
)
store.add(semantic)
store.add(episodic)
assert store.search("programming", MemoryCategory.SEMANTIC) == [semantic]
assert store.search("programming", MemoryCategory.EPISODIC) == [episodic]
def test_search_respects_limit(tmp_path):
store = create_store(tmp_path)
memories = [
LongTermMemory.create(
f"Programming memory {index}.",
MemoryCategory.SEMANTIC,
)
for index in range(3)
]
for memory in memories:
store.add(memory)
assert store.search("programming", limit=2) == memories[:2]
def test_search_uses_fts(tmp_path):
database = Database(tmp_path / "agent.db")
database.migrate()
store = LongTermMemoryStore(database)
memory = LongTermMemory.create(
"User prefers Rust for systems programming.",
MemoryCategory.SEMANTIC,
)
store.add(memory)
results = store.search("preferred systems programming language")
assert [result.id for result in results] == [memory.id]
def test_delete_removes_memory_from_search(tmp_path):
database = Database(tmp_path / "agent.db")
database.migrate()
store = LongTermMemoryStore(database)
memory = LongTermMemory.create(
"User prefers Rust for systems programming.",
MemoryCategory.SEMANTIC,
)
store.add(memory)
assert store.search("Rust")
store.delete(memory.id)
assert store.search("Rust") == []
def test_search_filters_by_category(tmp_path):
database = Database(tmp_path / "agent.db")
database.migrate()
store = LongTermMemoryStore(database)
semantic = LongTermMemory.create(
"User prefers Rust.",
MemoryCategory.SEMANTIC,
)
episodic = LongTermMemory.create(
"User used Rust on a filesystem project.",
MemoryCategory.EPISODIC,
)
store.add(semantic)
store.add(episodic)
results = store.search(
"Rust",
category=MemoryCategory.EPISODIC,
)
assert [result.id for result in results] == [episodic.id]
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