index.test.js

import assert from 'assert';
import {describe, it} from 'node:test';

import {describeAllOptions,format} from './lib/format.js';
import {generate, randomAdjective,randomAnimal} from './lib/lib.js';
import adjectives from './lib/lists/adjectives.js';
import animals from './lib/lists/animals.js';

describe('generate', () => {
  it('should return a sentence with at least two words', async () => {
    let sentence = await generate();
    let words = sentence.split(' ');
    assert(words.length >= 2, 'generate should return a sentence with at least two words');
  });

  it('each word except the last in the sentence should be an adjective', async () => {
    let sentence = await generate();
    let words = sentence.split(' ');
    for (const word of words.slice(0, -1)) {
      assert(adjectives.includes(word), 'Each word except the last in the sentence should be an adjective');
    }
  });

  it('the last word in the sentence should be an animal', async () => {
    let sentence = await generate();
    let words = sentence.split(' ');
    assert(animals.includes(words.at(-1)), 'The last word in the sentence should be an animal');
  });
});