unit test cleanup (#165)

## Description
Auto delete unit testing artifacts post completion.

## Additional Notes
Also making a small fix to the local_server.sh script to run the source
code in the src/ directory and not what has been installed into the
virtualenv.

scripts/local_server.sh

@@ -13,5 +13,7 @@ cd "$(dirname "$0")/.."
 
 PORT=${1:-8000}
 
-# Start the API server
-uvicorn recordlinker.main:app --reload --reload-dir src/ --port ${PORT}
+# Start the API server, reloading the server with the source code changes.
+# Also specify the app directory to run the server based off the source code
+# and not whats been installed into the virtual environment.
+uvicorn recordlinker.main:app --app-dir src/ --reload --reload-dir src/ --port ${PORT}

tests/unit/conftest.py

@@ -1,6 +1,7 @@
 import functools
 import gzip
 import json
+import os
 import pathlib
 
 import pytest
@@ -52,6 +53,21 @@ def client():
             yield c
 
 
+@pytest.fixture(scope="session", autouse=True)
+def clean_test_database():
+    """Fixture to clean up the sqlite test database file after the test suite."""
+    db_file = None
+    with database.get_test_session() as session:
+        # test if session is sqlite
+        if session.get_bind().dialect.name == "sqlite":
+            db_file = session.get_bind().url.database
+    # Yield control to the test suite
+    yield
+    # Cleanup logic: remove the database file if it exists
+    if db_file and os.path.exists(db_file):
+        os.remove(db_file)
+
+
 @functools.lru_cache
 @pytest.fixture
 def basic_algorithm():

tests/unit/database/test_base.py

@@ -4,7 +4,7 @@
 
 This module contains the unit tests for the recordlinker.database module.
 """
-
+import os
 import unittest.mock
 
 from recordlinker.config import settings
@@ -29,3 +29,7 @@ def test_create_sessionmaker():
         assert session.bind.pool.size() == 10
         assert session.bind.pool._max_overflow == 20
     settings.__init__()
+    try:
+        os.remove("test.db")
+    except FileNotFoundError:
+        pass