Add shopping cart and related models

test/conftest.py

@@ -1,14 +1,38 @@
 import os
+from unittest import mock
 
 import pytest
 from fastapi.testclient import TestClient
-from sqlalchemy import create_engine
+from sqlalchemy import StaticPool, create_engine
 from sqlalchemy.orm import sessionmaker
 
+from allmende_payment_system.api.dependencies import get_session
 from allmende_payment_system.app import app
 from allmende_payment_system.models import Base
 
 
+def make_db():
+    engine = create_engine(
+        "sqlite:///:memory:",
+        connect_args={"check_same_thread": False},
+        poolclass=StaticPool,
+    )
+    Base.metadata.create_all(bind=engine)  # Create tables
+    return sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+
+def make_in_memory_session():
+    db = make_db()
+    session = db()
+    try:
+        yield session
+    finally:
+        session.close()
+
+
+app.dependency_overrides[get_session] = make_in_memory_session
+
+
 @pytest.fixture(scope="session")
 def client():
     os.environ["APS_username"] = "test"
@@ -23,13 +47,5 @@ def unauthorized_client():
 
 @pytest.fixture
 def test_db():
-    engine = create_engine("sqlite:///:memory:")
-    Base.metadata.create_all(bind=engine)  # Create tables
-    TestingSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
-
-    # Provide a session and the engine
-    db = TestingSessionLocal()
-    try:
-        yield db
-    finally:
-        db.close()
+    db = make_db()
+    return db()