import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import { JSDOM } from 'jsdom';
import { createRequire } from 'node:module';
import { readFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import { dirname, resolve } from 'node:path';
const require = createRequire(import.meta.url);
const __dirname = dirname(fileURLToPath(import.meta.url));
const jqueryDist = dirname(require.resolve('jquery'));
const jquerySource = readFileSync(resolve(jqueryDist, 'jquery.js'), 'utf8');
const turnSource = readFileSync(resolve(__dirname, '../../turn.js'), 'utf8');
function createFixture(pageCount = 4) {
const pages = Array.from({ length: pageCount }, (_, index) => (
`Page ${index + 1}
`
)).join('');
const dom = new JSDOM(`${pages}
`, {
pretendToBeVisual: true,
runScripts: 'outside-only',
url: 'http://localhost/'
});
dom.window.eval(jquerySource);
const $ = dom.window.jQuery;
dom.window.eval(turnSource);
return { window: dom.window, document: dom.window.document, $ };
}
describe('turn.js jQuery plugin', () => {
let fixture;
beforeEach(() => {
fixture = createFixture();
});
afterEach(() => {
fixture.window.close();
vi.restoreAllMocks();
});
it('registers the turn, flip and transform plugins', () => {
const { $ } = fixture;
expect($.fn.turn).toBeTypeOf('function');
expect($.fn.flip).toBeTypeOf('function');
expect($.fn.transform).toBeTypeOf('function');
});
it('initializes a book and exposes page, view, pages and size state', () => {
const { $ } = fixture;
const $book = $('#book');
$book.turn({
width: 600,
height: 400,
display: 'double',
gradients: false,
acceleration: false
});
expect($book.turn('page')).toBe(1);
expect($book.turn('pages')).toBe(4);
expect($book.turn('view')).toEqual([0, 1]);
expect($book.turn('size')).toEqual({ width: 600, height: 400 });
expect($book.find('.turn-page-wrapper').length).toBeGreaterThan(0);
});
it('supports initial page selection without animation', () => {
const { $ } = fixture;
const $book = $('#book');
$book.turn({
width: 600,
height: 400,
display: 'double',
gradients: false,
acceleration: false,
page: 2
});
expect($book.turn('page')).toBe(2);
expect($book.turn('view')).toEqual([2, 3]);
});
it('can add and remove pages dynamically', () => {
const { $ } = fixture;
const $book = $('#book');
$book.turn({
width: 600,
height: 400,
display: 'double',
gradients: false,
acceleration: false
});
$book.turn('addPage', $('Page 5
'), 5);
expect($book.turn('pages')).toBe(5);
expect($book.turn('hasPage', 5)).toBe(true);
$book.turn('removePage', 5);
expect($book.turn('pages')).toBe(4);
expect($book.turn('hasPage', 5)).toBe(false);
});
it('registers internal handlers with event namespaces', () => {
fixture.window.close();
fixture = createFixture();
const { $ } = fixture;
const onSpy = vi.spyOn($.fn, 'on');
$('#book').turn({
width: 600,
height: 400,
display: 'double',
gradients: false,
acceleration: false,
when: {
turned: function() {}
}
});
const eventNames = onSpy.mock.calls
.map(call => call[0])
.filter(name => typeof name === 'string');
const pointerEvents = $.isTouch
? ['touchstart.turn', 'touchmove.turn', 'touchend.turn']
: ['mousedown.turn', 'mousemove.turn', 'mouseup.turn'];
expect(eventNames).toContain('turned.turn');
expect(eventNames).toEqual(expect.arrayContaining(pointerEvents));
expect(eventNames).toContain('pressed.turnFlip');
expect(eventNames).toContain('released.turnFlip');
expect(eventNames).toContain('start.turnFlip');
expect(eventNames).toContain('end.turnFlip');
expect(eventNames).toContain('flip.turnFlip');
});
});