import InputDriver from '../../src/content/InputDriver'; import { expect } from 'chai'; import { Key } from '../../src/shared/utils/keys'; describe('InputDriver', () => { let target: HTMLElement; let driver: InputDriver; beforeEach(() => { target = document.createElement('div'); document.body.appendChild(target); driver = new InputDriver(target); }); afterEach(() => { target.remove(); target = null; driver = null; }); it('register callbacks', (done) => { driver.onKey((key: Key): boolean => { expect(key.key).to.equal('a'); expect(key.ctrlKey).to.be.true; expect(key.shiftKey).to.be.false; expect(key.altKey).to.be.false; expect(key.metaKey).to.be.false; done(); return true; }); target.dispatchEvent(new KeyboardEvent('keydown', { key: 'a', ctrlKey: true, shiftKey: false, altKey: false, metaKey: false, })); }); it('invoke callback once', () => { let a = 0, b = 0; driver.onKey((key: Key): boolean => { if (key.key == 'a') { ++a; } else { key.key == 'b' ++b; } return true; }); let events = [ new KeyboardEvent('keydown', { key: 'a' }), new KeyboardEvent('keydown', { key: 'b' }), new KeyboardEvent('keypress', { key: 'a' }), new KeyboardEvent('keyup', { key: 'a' }), new KeyboardEvent('keypress', { key: 'b' }), new KeyboardEvent('keyup', { key: 'b' }), ]; for (let e of events) { target.dispatchEvent(e); } expect(a).to.equal(1); expect(b).to.equal(1); }) it('propagates and stop handler chain', () => { let a = 0, b = 0, c = 0; driver.onKey((key: Key): boolean => { a++; return false; }); driver.onKey((key: Key): boolean => { b++; return true; }); driver.onKey((key: Key): boolean => { c++; return true; }); target.dispatchEvent(new KeyboardEvent('keydown', { key: 'b' })); expect(a).to.equal(1); expect(b).to.equal(1); expect(c).to.equal(0); }) it('does not invoke only meta keys', () => { driver.onKey((key: Key): boolean=> { expect.fail(); return false; }); target.dispatchEvent(new KeyboardEvent('keydown', { key: 'Shift' })); target.dispatchEvent(new KeyboardEvent('keydown', { key: 'Control' })); target.dispatchEvent(new KeyboardEvent('keydown', { key: 'Alt' })); target.dispatchEvent(new KeyboardEvent('keydown', { key: 'OS' })); }) it('ignores events from input elements', () => { ['input', 'textarea', 'select'].forEach((name) => { let input = window.document.createElement(name); let driver = new InputDriver(input); driver.onKey((key: Key): boolean => { expect.fail(); return false; }); input.dispatchEvent(new KeyboardEvent('keydown', { key: 'x' })); }); }); it('ignores events from contenteditable elements', () => { let div = window.document.createElement('div'); let driver = new InputDriver(div); driver.onKey((key: Key): boolean => { expect.fail(); return false; }); div.setAttribute('contenteditable', ''); div.dispatchEvent(new KeyboardEvent('keydown', { key: 'x' })); div.setAttribute('contenteditable', 'true'); div.dispatchEvent(new KeyboardEvent('keydown', { key: 'x' })); }); });