Add project setup some models and a test

test/test_models.py

@@ -0,0 +1,27 @@
+# tests/conftest.py
+import pytest
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker, declarative_base
+from allmende_payment_system.models import Base, User
+
+# Create an in-memory SQLite database
+@pytest.fixture
+def in_memory_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()
+
+
+def test_create_user(in_memory_db):
+    user = User(username="test", display_name="Test User")
+    in_memory_db.add(user)
+    in_memory_db.commit()
+
+    assert user.id is not None