{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://zeekerwatchman/schemas/testcase.json",
  "title": "Test Case Schema",
  "description": "从 IR 规则生成的测试用例格式",

  "type": "object",
  "required": ["testcases"],
  "properties": {
    "testcases": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/definitions/TestCase" }
    },
    "metadata": {
      "type": "object",
      "properties": {
        "total": { "type": "integer" },
        "ir_id": { "type": "string", "description": "来源 IR ID" },
        "generated_at": { "type": "string", "format": "date-time" }
      }
    }
  },

  "definitions": {
    "TestCase": {
      "type": "object",
      "required": ["id", "module", "case_title", "steps", "expected_result", "priority"],
      "properties": {
        "id": {
          "type": "string",
          "description": "唯一标识。格式: TC-{feature_id}-{seq}，如 TC-PRD-001",
          "pattern": "^TC-[A-Z]{2,8}-[0-9]{3}$",
          "examples": ["TC-PRD-001", "TC-AUTH-002"]
        },
        "module": {
          "type": "string",
          "description": "所属模块名"
        },
        "feature": {
          "type": "string",
          "description": "功能点名称"
        },
        "case_title": {
          "type": "string",
          "description": "用例标题，格式: 正向/异常/边界-简短描述",
          "examples": ["正向-上传md格式PRD成功", "异常-上传不支持的文件格式"]
        },
        "preconditions": {
          "type": "string",
          "description": "前置条件"
        },
        "steps": {
          "type": "string",
          "description": "测试步骤，Given-When-Then 格式，换行分隔",
          "examples": ["Given 用户已登录\nWhen 上传.md文件\nThen 成功解析"]
        },
        "expected_result": {
          "type": "string",
          "description": "预期结果，必须量化可验证"
        },
        "priority": {
          "type": "string",
          "enum": ["P0", "P1", "P2"],
          "description": "P0=冒烟/核心, P1=重要, P2=补充"
        },
        "tags": {
          "type": "array",
          "items": { "type": "string" },
          "description": "标签: 正向, 异常, 边界, 并发, 安全 等",
          "examples": [["正向", "冒烟"], ["异常", "安全"]]
        }
      }
    }
  }
}