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zipit/template_runs/tmpl_v2/test_main.py

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+import pytest
+from fastapi.testclient import TestClient
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from main import app, get_db
+from models import Base
+
+TEST_DB = "sqlite:///./test.db"
+test_engine = create_engine(TEST_DB, connect_args={"check_same_thread": False})
+TestSession = sessionmaker(autocommit=False, autoflush=False, bind=test_engine)
+Base.metadata.create_all(bind=test_engine)
+
+def override_get_db():
+    db = TestSession()
+    try:
+        yield db
+    finally:
+        db.close()
+
+app.dependency_overrides[get_db] = override_get_db
+client = TestClient(app)
+
+def test_create_todo():
+    response = client.post('/todos/', json={"title": "Test title", "description": "Test description", "due_date": "2024-01-15", "status": "pending"})
+    assert response.status_code == 201
+    data = response.json()
+    assert "id" in data
+
+def test_list_todos():
+    client.post('/todos/', json={"title": "Test title", "description": "Test description", "due_date": "2024-01-15", "status": "pending"})
+    response = client.get('/todos/')
+    assert response.status_code == 200
+    assert len(response.json()) >= 1
+
+def test_get_todo_by_id():
+    created = client.post('/todos/', json={"title": "Test title", "description": "Test description", "due_date": "2024-01-15", "status": "pending"}).json()
+    item_id = created['id']
+    response = client.get(f'/todos/{item_id}')
+    assert response.status_code == 200
+    assert response.json()['id'] == item_id
+
+def test_get_todo_not_found():
+    response = client.get('/todos/99999')
+    assert response.status_code == 404
+
+def test_update_todo():
+    created = client.post('/todos/', json={"title": "Test title", "description": "Test description", "due_date": "2024-01-15", "status": "pending"}).json()
+    item_id = created['id']
+    response = client.put(f'/todos/{item_id}', json={"title": "Updated title", "description": "Test description", "due_date": "2024-01-15", "status": "pending"})
+    assert response.status_code == 200
+
+def test_delete_todo():
+    created = client.post('/todos/', json={"title": "Test title", "description": "Test description", "due_date": "2024-01-15", "status": "pending"}).json()
+    item_id = created['id']
+    response = client.delete(f'/todos/{item_id}')
+    assert response.status_code == 204
+    response = client.get(f'/todos/{item_id}')
+    assert response.status_code == 404