tests/weapons.test.js - master - mrrobot/js-final

tests/weapons.test.js
170 строк4 KB
Ivan Popov
tests
22 май 2026, 19:49
22 май 2026, 19:4967f2760
'use strict';

const {
  Weapon, Arm, Bow, Sword, Knife, Staff, LongBow, Axe, StormStaff
} = require('../src/weapons');

describe('Weapon base class', () => {
  test('constructor sets all properties', () => {
    const w = new Weapon('Старый меч', 20, 10, 1);
    expect(w.name).toBe('Старый меч');
    expect(w.attack).toBe(20);
    expect(w.durability).toBe(10);
    expect(w.initDurability).toBe(10);
    expect(w.range).toBe(1);
  });

  test('takeDamage reduces durability', () => {
    const w = new Weapon('test', 10, 10, 1);
    w.takeDamage(5);
    expect(w.durability).toBe(5);
  });

  test('takeDamage clamps at 0', () => {
    const w = new Weapon('test', 10, 10, 1);
    w.takeDamage(50);
    expect(w.durability).toBe(0);
  });

  test('getDamage returns 0 when durability is 0', () => {
    const w = new Weapon('test', 10, 10, 1);
    w.takeDamage(10);
    expect(w.getDamage()).toBe(0);
  });

  test('getDamage returns full attack at >= 30%', () => {
    const w = new Weapon('test', 10, 100, 1);
    w.takeDamage(70);
    expect(w.getDamage()).toBe(10);
  });

  test('getDamage returns half attack at < 30%', () => {
    const w = new Weapon('test', 10, 100, 1);
    w.takeDamage(75);
    expect(w.getDamage()).toBe(5);
  });

  test('isBroken false when durability > 0, true at 0', () => {
    const w = new Weapon('test', 10, 10, 1);
    expect(w.isBroken()).toBe(false);
    w.takeDamage(10);
    expect(w.isBroken()).toBe(true);
  });
});

describe('Arm', () => {
  test('has expected stats', () => {
    const a = new Arm();
    expect(a.name).toBe('Рука');
    expect(a.attack).toBe(1);
    expect(a.durability).toBe(Infinity);
    expect(a.initDurability).toBe(Infinity);
    expect(a.range).toBe(1);
  });

  test('never breaks', () => {
    const a = new Arm();
    a.takeDamage(10000);
    expect(a.durability).toBe(Infinity);
    expect(a.isBroken()).toBe(false);
    expect(a.getDamage()).toBe(1);
  });
});

describe('Bow', () => {
  test('has expected stats', () => {
    const b = new Bow();
    expect(b.name).toBe('Лук');
    expect(b.attack).toBe(10);
    expect(b.durability).toBe(200);
    expect(b.range).toBe(3);
  });

  test('getDamage thresholds from spec example', () => {
    const bow = new Bow();
    expect(bow.getDamage()).toBe(10);
    expect(bow.durability).toBe(200);
    bow.takeDamage(100);
    expect(bow.getDamage()).toBe(10);
    expect(bow.durability).toBe(100);
    bow.takeDamage(50);
    expect(bow.getDamage()).toBe(5);
    expect(bow.durability).toBe(50);
    bow.takeDamage(150);
    expect(bow.getDamage()).toBe(0);
    expect(bow.durability).toBe(0);
    expect(bow.isBroken()).toBe(true);
  });
});

describe('Sword', () => {
  test('has expected stats', () => {
    const s = new Sword();
    expect(s.name).toBe('Меч');
    expect(s.attack).toBe(25);
    expect(s.durability).toBe(500);
    expect(s.range).toBe(1);
  });
});

describe('Knife', () => {
  test('has expected stats', () => {
    const k = new Knife();
    expect(k.name).toBe('Нож');
    expect(k.attack).toBe(5);
    expect(k.durability).toBe(300);
    expect(k.range).toBe(1);
  });
});

describe('Staff', () => {
  test('has expected stats', () => {
    const s = new Staff();
    expect(s.name).toBe('Посох');
    expect(s.attack).toBe(8);
    expect(s.durability).toBe(300);
    expect(s.range).toBe(2);
  });
});

describe('LongBow', () => {
  test('has expected stats', () => {
    const lb = new LongBow();
    expect(lb.name).toBe('Длинный лук');
    expect(lb.attack).toBe(15);
    expect(lb.durability).toBe(200);
    expect(lb.initDurability).toBe(200);
    expect(lb.range).toBe(4);
  });
});

describe('Axe', () => {
  test('has expected stats with 800 durability', () => {
    const a = new Axe();
    expect(a.name).toBe('Секира');
    expect(a.attack).toBe(27);
    expect(a.durability).toBe(800);
    expect(a.initDurability).toBe(800);
    expect(a.range).toBe(1);
  });

  test('threshold uses 800 not 500', () => {
    const a = new Axe();
    a.takeDamage(560);
    expect(a.durability).toBe(240);
    expect(a.getDamage()).toBe(27);
    a.takeDamage(1);
    expect(a.durability).toBe(239);
    expect(a.getDamage()).toBe(13.5);
  });
});

describe('StormStaff', () => {
  test('has expected stats', () => {
    const s = new StormStaff();
    expect(s.name).toBe('Посох Бури');
    expect(s.attack).toBe(10);
    expect(s.durability).toBe(300);
    expect(s.range).toBe(3);
  });
});