https://www.coze.com/store/bot/7398851448076877832 で要求仕様: https://www.sessame.jp/workinggroup/WorkingGroup2/POT_Specification_v6.PDF を読み込んで自動生成させたコードとテストコード

Kettle.js

class Kettle {
    constructor() {
        this.temperature = 25; // 初期温度
        this.keepWarmMode = 'High'; // 初期保温モード
        this.timer = 0; // 初期タイマー
        this.isLocked = true; // 初期状態はロック
        this.isBoiling = false; // 初期状態は沸騰していない
    }

    setTemperature(temp) {
        this.temperature = temp;
    }

    toggleLock() {
        if (!this.isBoiling) {
            this.isLocked = !this.isLocked;
        }
    }

    startBoiling() {
        this.isBoiling = true;
        this.setTemperature(100); // 沸騰温度
    }

    stopBoiling() {
        this.isBoiling = false;
    }

    setKeepWarmMode() {
        const modes = ['High', 'Economy', 'Milk'];
        const currentIndex = modes.indexOf(this.keepWarmMode);
        this.keepWarmMode = modes[(currentIndex + 1) % modes.length];
        this.updateTemperature();
    }

    updateTemperature() {
        const temperatures = {
            'High': 98,
            'Economy': 90,
            'Milk': 60
        };
        this.temperature = temperatures[this.keepWarmMode];
    }

    startTimer() {
        this.timer += 1; // 1分追加
    }

    dispenseWater() {
        if (!this.isLocked && !this.isBoiling) {
            console.log('Water dispensed');
        } else {
            console.log('Cannot dispense water: Locked or Boiling');
        }
    }
}

module.exports = Kettle;

Kettle.test.js

const Kettle = require('./Kettle');

describe('Kettle', () => {
    let kettle;

    beforeEach(() => {
        kettle = new Kettle();
        console.log = jest.fn(); // console.logのモック
    });

    test('初期状態の確認', () => {
        expect(kettle.temperature).toBe(25);
        expect(kettle.keepWarmMode).toBe('High');
        expect(kettle.timer).toBe(0);
        expect(kettle.isLocked).toBe(true);
        expect(kettle.isBoiling).toBe(false);
    });

    test('ロックの切り替え', () => {
        kettle.toggleLock();
        expect(kettle.isLocked).toBe(false);
        kettle.toggleLock();
        expect(kettle.isLocked).toBe(true);
    });

    test('沸騰の開始と停止', () => {
        kettle.startBoiling();
        expect(kettle.isBoiling).toBe(true);
        expect(kettle.temperature).toBe(100);
        
        kettle.stopBoiling();
        expect(kettle.isBoiling).toBe(false);
    });

    test('保温モードの切り替え', () => {
        kettle.setKeepWarmMode();
        expect(kettle.keepWarmMode).toBe('Economy');
        expect(kettle.temperature).toBe(90);

        kettle.setKeepWarmMode();
        expect(kettle.keepWarmMode).toBe('Milk');
        expect(kettle.temperature).toBe(60);

        kettle.setKeepWarmMode();
        expect(kettle.keepWarmMode).toBe('High');
        expect(kettle.temperature).toBe(98);
    });

    test('タイマーの追加', () => {
        kettle.startTimer();
        expect(kettle.timer).toBe(1);
        kettle.startTimer();
        expect(kettle.timer).toBe(2);
    });

    test('水の排出', () => {
        kettle.toggleLock();
        kettle.dispenseWater(); // ロック解除
        expect(console.log).toHaveBeenCalledWith('Water dispensed');

        kettle.isBoiling = true;
        kettle.dispenseWater(); // 沸騰中
        expect(console.log).toHaveBeenCalledWith('Cannot dispense water: Locked or Boiling');
        
        kettle.toggleLock(); // 再度ロック
        kettle.dispenseWater(); // ロック中
        expect(console.log).toHaveBeenCalledWith('Cannot dispense water: Locked or Boiling');
    });
});