// src/__tests__/duck.test.ts
import { describe, it, expect, beforeEach } from 'vitest';
import { Duck } from '../duck';
describe('Duck', () => {
let duck: Duck;
beforeEach(() => {
duck = new Duck();
});
it('should start at zen mood', () => {
expect(duck.getMood()).toBe('zen');
});
it('should respond to messages', () => {
const response = duck.respond('My code is broken');
expect(response.quack).toBeDefined();
expect(response.quack.length).toBeGreaterThan(0);
});
it('should include sound boolean', () => {
const response = duck.respond('Help me');
expect(typeof response.sound).toBe('boolean');
});
it('should track mood history', () => {
duck.respond('message 1');
duck.respond('message 2');
duck.respond('message 3');
duck.respond('message 4');
duck.respond('message 5');
const history = duck.getMoodHistory();
expect(history.length).toBeGreaterThanOrEqual(1);
expect(history[0]).toBe('zen');
});
it('should greet the user', () => {
const greeting = duck.greet();
expect(greeting).toContain('🦆');
});
it('should say goodbye', () => {
const goodbye = duck.goodbye();
expect(goodbye).toContain('🦆');
});
it('should reset for new session', () => {
// Annoy the duck
for (let i = 0; i < 20; i++) {
duck.respond(`complaint ${i}`);
}
expect(duck.getMood()).not.toBe('zen');
duck.reset();
expect(duck.getMood()).toBe('zen');
});
it('should provide stats', () => {
duck.respond('one');
duck.respond('two');
const stats = duck.getStats();
expect(stats.totalMessages).toBe(2);
expect(stats.moodHistory).toContain('zen');
});
it('should sometimes include advice', () => {
// Run many times to check advice is sometimes included
let adviceCount = 0;
const testDuck = new Duck();
for (let i = 0; i < 50; i++) {
const response = testDuck.respond(`message ${i}`);
if (response.advice) adviceCount++;
}
// Should have some advice (probability increases with mood)
expect(adviceCount).toBeGreaterThan(0);
});
});
