@3r/tool/test/randoms.test.js

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import { GetRandomStrEnum, Randoms } from "../index.js";

let description = function () {
  return ["#### Randoms 随机模块", "包含一些随机的方法.", "", "以下是相关示例:"];
};

let prizes = [
  {
    name: "苹果13",
    weight: 1,
  },
  {
    name: "兰博基尼5元优惠券",
    weight: 10000,
  },
  {
    name: "香港一日游满5000-5券",
    weight: 20000,
  },
  {
    name: "王者荣耀绝美皮肤一套",
    weight: 200,
  },
  {
    name: "鼠标垫",
    weight: 200,
  },
  {
    name: "再来一次",
    weight: 10000,
  },
  {
    name: "吹风机",
    weight: 20,
  },
  {
    name: "扫地机器人",
    weight: 10,
  },
];

let run = function () {
  console.log("获取随机数(整数) [0~10)之间的数", Randoms.int(0, 10));
  console.log("打乱数组", Randoms.getDisorganizeArray([{ a: 1 }, { b: 1 }, { c: 1 }]));
  console.log("随机一个长度为10的只有大小写的字母字符串", Randoms.str(10, GetRandomStrEnum.LargeSmall));
  console.log("全局唯一标识符(uuid)", Randoms.uuid());
  // 数据格式 [{name:string,weight:number}] weight 支持自定义在第二个参数中
  console.log("按权重获取随机索引", Randoms.getRandomIndexByWeight(prizes));
  console.log("随机获取颜色", Randoms.getRandomColor());
  console.log("随机获取身份证号码", Randoms.getRandomCitizenIdentificationNumber());
};

try {
  describe("随机模块", function () {
    it("获取随机数(整数) [0~10)之间的数", function () {
      expect(Randoms.getRandomInt(0, 10) < 10).toEqual(true);
    });
    it("打乱数组", function () {
      expect(Randoms.getDisorganizeArray([{ a: 1 }, { b: 1 }, { c: 1 }]).length == 3).toEqual(true);
    });
    it("随机一个长度为10的只有大小写的字母字符串", function () {
      expect(Randoms.getRandomStr(10, GetRandomStrEnum.LargeSmall).length == 10).toEqual(true);
      expect(Randoms.getRandomStr(10, GetRandomStrEnum.Number).length == 10).toEqual(true);
      expect(Randoms.getRandomStr(10, "LargeSmall").length == 10).toEqual(true);
      expect(Randoms.getRandomStr(10).length == 10).toEqual(true);
    });
    it("全局唯一标识符(uuid)", function () {
      expect(Randoms.uuid().length).toEqual("e5d823f1-c4dd-4205-91c6-7cc1fe61cb0c".length);
    });
    it("按权重获取随机索引", function () {
      expect(Randoms.getRandomIndexByWeight(prizes) < prizes.length).toEqual(true);
    });
    it("随机获取颜色", function () {
      expect(Randoms.getRandomColor().startsWith("rgb")).toEqual(true);
    });
  });
} catch (error) {
  // describe is not defined 无需理会 调用方式不一致
}

export { run, description };