Files
stack/tests/llm/test_migrate.py

60 lines
2.4 KiB
Python

"""llm.migrate — idempotent DDL for the llm database."""
from unittest.mock import MagicMock
from llm import migrate
class TestDdl:
def test_index_state_ddl_is_idempotent_sql(self):
assert "CREATE TABLE IF NOT EXISTS index_state" in migrate.INDEX_STATE_DDL
assert "PRIMARY KEY (item_key, collection)" in migrate.INDEX_STATE_DDL
def test_migrate_executes_ddl(self):
engine = MagicMock()
conn = engine.begin.return_value.__enter__.return_value
migrate.migrate(engine)
executed = " ".join(str(call.args[0]) for call in conn.execute.call_args_list)
assert "index_state" in executed
def test_ensure_hnsw_types_column_then_indexes(self):
engine = MagicMock()
conn = engine.begin.return_value.__enter__.return_value
migrate.ensure_hnsw(engine, 768)
executed = " ".join(str(call.args[0]) for call in conn.execute.call_args_list)
assert "vector(768)" in executed
assert "USING hnsw" in executed
# code-cited lookups scan cmetadata->>'codes' inside one collection
assert (
"ix_embedding_codes" in executed
and "USING gin (string_to_array" in executed
)
assert (
"ix_embedding_collection" in executed
and "langchain_pg_embedding (collection_id)" in executed
)
# family and element indexes follow the same pattern
assert (
"ix_embedding_families" in executed and "cmetadata->>'families'" in executed
)
assert (
"ix_embedding_elements" in executed and "cmetadata->>'elements'" in executed
)
def test_fingerprint_column_and_docket_state(self):
assert "fingerprint" in migrate.INDEX_STATE_DDL
assert "ADD COLUMN IF NOT EXISTS fingerprint" in migrate.INDEX_STATE_ALTER
assert (
"CREATE TABLE IF NOT EXISTS index_docket_state"
in migrate.INDEX_DOCKET_STATE_DDL
)
assert "PRIMARY KEY (collection, docket)" in migrate.INDEX_DOCKET_STATE_DDL
def test_migrate_runs_alter_and_docket_state(self):
engine = MagicMock()
conn = engine.begin.return_value.__enter__.return_value
migrate.migrate(engine)
executed = " ".join(str(call.args[0]) for call in conn.execute.call_args_list)
assert "ADD COLUMN IF NOT EXISTS fingerprint" in executed
assert "index_docket_state" in executed