{
  "context": "Tests whether the response correctly distinguishes test doubles and provides appropriate examples.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Correctly defines stub",
      "description": "Describes a stub as returning predefined responses without behavior verification (provides canned answers)",
      "max_score": 12
    },
    {
      "name": "Correctly defines mock",
      "description": "Describes a mock as verifying interactions/calls happened (behavior verification — was this method called with these args?)",
      "max_score": 12
    },
    {
      "name": "Correctly defines fake",
      "description": "Describes a fake as a working lightweight implementation (in-memory database, fake SMTP server)",
      "max_score": 10
    },
    {
      "name": "Provides concrete examples for the email/DB scenario",
      "description": "Maps each test double to the scenario: e.g., stub the DB for read tests, mock the email service to verify send was called, fake DB with in-memory store",
      "max_score": 12
    },
    {
      "name": "No incorrect information",
      "description": "Definitions and examples are technically correct and not conflated",
      "max_score": 10
    }
  ]
}