everywherebible/src/ui/choose-book.test.js

A Bible app for slow connections

import assert from 'assert';

import {results} from './choose-book';
import {books} from '../data/model';

const MARK_1 = {book: 'Mark', chapter: 1, verse: 1};
const ONE_TIMOTHY_3 = {book: '1 Timothy', chapter: 3, verse: 1};
const ONE_JOHN_2 = {book: '1 John', chapter: 2, verse: 1};
const JOHN = {book: 'John', chapter: 4, verse: 1};

describe('choose-book', () => {
  describe('results', () => {
    it('returns a list of books for no query or recents', () => {
      const actual = results('', []);
      assert.deepStrictEqual(actual, books)
    });

    it('returns recents and books when < 10 recents and no query', () => {
      const actual = results('', [MARK_1, ONE_TIMOTHY_3]);
      const expected = [MARK_1, ONE_TIMOTHY_3, ...books.slice(0, 8)];
      assert.deepStrictEqual(actual, expected);
    });

    it('returns matches with query', () => {
      const actual = results('ma', []);
      const expected = ['Malachi', 'Matthew', 'Mark'];
      assert.deepStrictEqual(actual, expected);
    });

    it('sorts recent matches above others', () => {
      const actual = results('ma', [MARK_1]);
      const expected = [MARK_1, 'Malachi', 'Matthew', 'Mark'];
      assert.deepStrictEqual(actual, expected);
    });

    it('correctly tokenizes numbered books', () => {
      const actual = results('jo', [ONE_JOHN_2]);
      const expected = [ONE_JOHN_2, 'Joshua', 'Job', 'Joel', 'Jonah', 'John',
          '1 John', '2 John', '3 John'];
      assert.deepStrictEqual(actual, expected);
    });
  });
});