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TripSit_Suite/node_modules/mousetrap/tests/test.mousetrap.js
2020-11-01 22:46:04 +00:00

773 lines
25 KiB
JavaScript

/**
* The following strategy of importing modules allows the tests to be run in a browser environment.
* Test libraries like `mocha`, `sinon`, etc. are expected to be loaded before this file.
*/
var sinon = sinon || require('sinon');
var chai = chai || require('chai');
var expect = chai.expect;
if (typeof window === 'undefined') {
require('mocha');
require('jsdom-global')();
}
// Load libraries that require access to the DOM after `jsdom-global`
var Mousetrap = Mousetrap || require('./../mousetrap');
var KeyEvent = KeyEvent || require('./libs/key-event');
// Reset Mousetrap after each test
afterEach(function () {
Mousetrap.reset();
});
describe('Mousetrap.bind', function () {
describe('basic', function () {
it('z key fires when pressing z', function () {
var spy = sinon.spy();
Mousetrap.bind('z', spy);
KeyEvent.simulate('Z'.charCodeAt(0), 90);
// really slow for some reason
// expect(spy).to.have.been.calledOnce;
expect(spy.callCount).to.equal(1, 'callback should fire once');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][1]).to.equal('z', 'second argument should be key combo');
});
it('z key fires from keydown', function () {
var spy = sinon.spy();
Mousetrap.bind('z', spy, 'keydown');
KeyEvent.simulate('Z'.charCodeAt(0), 90);
// really slow for some reason
// expect(spy).to.have.been.calledOnce;
expect(spy.callCount).to.equal(1, 'callback should fire once');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][1]).to.equal('z', 'second argument should be key combo');
});
it('z key does not fire when pressing b', function () {
var spy = sinon.spy();
Mousetrap.bind('z', spy);
KeyEvent.simulate('B'.charCodeAt(0), 66);
expect(spy.callCount).to.equal(0);
});
it('z key does not fire when holding a modifier key', function () {
var spy = sinon.spy();
var modifiers = ['ctrl', 'alt', 'meta', 'shift'];
var charCode;
var modifier;
Mousetrap.bind('z', spy);
for (var i = 0; i < 4; i++) {
modifier = modifiers[i];
charCode = 'Z'.charCodeAt(0);
// character code is different when alt is pressed
if (modifier == 'alt') {
charCode = 'Ω'.charCodeAt(0);
}
spy.resetHistory();
KeyEvent.simulate(charCode, 90, [modifier]);
expect(spy.callCount).to.equal(0);
}
});
it('z key does not fire when inside an input element in an open shadow dom', function() {
var spy = sinon.spy();
var shadowHost = document.createElement('div');
var shadowRoot = shadowHost.attachShadow({ mode: 'open' });
document.body.appendChild(shadowHost);
var inputElement = document.createElement('input');
shadowRoot.appendChild(inputElement);
expect(shadowHost.shadowRoot).to.equal(shadowRoot, 'shadow root accessible');
Mousetrap.bind('z', spy);
KeyEvent.simulate('Z'.charCodeAt(0), 90, [], inputElement, 1, { shadowHost: shadowHost });
document.body.removeChild(shadowHost);
expect(spy.callCount).to.equal(0, 'callback should not have fired');
});
it('z key does fire when inside an input element in a closed shadow dom', function() {
var spy = sinon.spy();
var shadowHost = document.createElement('div');
var shadowRoot = shadowHost.attachShadow({ mode: 'closed' });
document.body.appendChild(shadowHost);
var inputElement = document.createElement('input');
shadowRoot.appendChild(inputElement);
expect(shadowHost.shadowRoot).to.equal(null, 'shadow root unaccessible');
Mousetrap.bind('z', spy);
KeyEvent.simulate('Z'.charCodeAt(0), 90, [], inputElement, 1, { shadowHost: shadowHost });
document.body.removeChild(shadowHost);
expect(spy.callCount).to.equal(1, 'callback should have fired once');
});
it('keyup events should fire', function() {
var spy = sinon.spy();
Mousetrap.bind('z', spy, 'keyup');
KeyEvent.simulate('Z'.charCodeAt(0), 90);
expect(spy.callCount).to.equal(1, 'keyup event for "z" should fire');
// for key held down we should only get one key up
KeyEvent.simulate('Z'.charCodeAt(0), 90, [], document, 10);
expect(spy.callCount).to.equal(2, 'keyup event for "z" should fire once for held down key');
});
it('keyup event for 0 should fire', function () {
var spy = sinon.spy();
Mousetrap.bind('0', spy, 'keyup');
KeyEvent.simulate(0, 48);
expect(spy.callCount).to.equal(1, 'keyup event for "0" should fire');
});
it('rebinding a key overwrites the callback for that key', function () {
var spy1 = sinon.spy();
var spy2 = sinon.spy();
Mousetrap.bind('x', spy1);
Mousetrap.bind('x', spy2);
KeyEvent.simulate('X'.charCodeAt(0), 88);
expect(spy1.callCount).to.equal(0, 'original callback should not fire');
expect(spy2.callCount).to.equal(1, 'new callback should fire');
});
it('binding an array of keys', function () {
var spy = sinon.spy();
Mousetrap.bind(['a', 'b', 'c'], spy);
KeyEvent.simulate('A'.charCodeAt(0), 65);
expect(spy.callCount).to.equal(1, 'new callback was called');
expect(spy.args[0][1]).to.equal('a', 'callback should match "a"');
KeyEvent.simulate('B'.charCodeAt(0), 66);
expect(spy.callCount).to.equal(2, 'new callback was called twice');
expect(spy.args[1][1]).to.equal('b', 'callback should match "b"');
KeyEvent.simulate('C'.charCodeAt(0), 67);
expect(spy.callCount).to.equal(3, 'new callback was called three times');
expect(spy.args[2][1]).to.equal('c', 'callback should match "c"');
});
it('return false should prevent default and stop propagation', function () {
var spy = sinon.spy(function () {
return false;
});
Mousetrap.bind('command+s', spy);
KeyEvent.simulate('S'.charCodeAt(0), 83, ['meta']);
expect(spy.callCount).to.equal(1, 'callback should fire');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][0].defaultPrevented).to.be.true;
// cancelBubble is not correctly set to true in webkit/blink
//
// @see https://code.google.com/p/chromium/issues/detail?id=162270
// expect(spy.args[0][0].cancelBubble).to.be.true;
// try without return false
spy = sinon.spy();
Mousetrap.bind('command+s', spy);
KeyEvent.simulate('S'.charCodeAt(0), 83, ['meta']);
expect(spy.callCount).to.equal(1, 'callback should fire');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][0].cancelBubble).to.be.false;
expect(spy.args[0][0].defaultPrevented).to.be.false;
});
it('capslock key is ignored', function () {
var spy = sinon.spy();
Mousetrap.bind('a', spy);
KeyEvent.simulate('a'.charCodeAt(0), 65);
expect(spy.callCount).to.equal(1, 'callback should fire for lowercase a');
spy.resetHistory();
KeyEvent.simulate('A'.charCodeAt(0), 65);
expect(spy.callCount).to.equal(1, 'callback should fire for capslock A');
spy.resetHistory();
KeyEvent.simulate('A'.charCodeAt(0), 65, ['shift']);
expect(spy.callCount).to.equal(0, 'callback should not fire fort shift+a');
});
});
describe('special characters', function () {
it('binding special characters', function () {
var spy = sinon.spy();
Mousetrap.bind('*', spy);
KeyEvent.simulate('*'.charCodeAt(0), 56, ['shift']);
expect(spy.callCount).to.equal(1, 'callback should fire');
expect(spy.args[0][1]).to.equal('*', 'callback should match *');
});
it('binding special characters keyup', function () {
var spy = sinon.spy();
Mousetrap.bind('*', spy, 'keyup');
KeyEvent.simulate('*'.charCodeAt(0), 56, ['shift']);
expect(spy.callCount).to.equal(1, 'callback should fire');
expect(spy.args[0][1]).to.equal('*', 'callback should match "*"');
});
it('binding keys with no associated charCode', function () {
var spy = sinon.spy();
Mousetrap.bind('left', spy);
KeyEvent.simulate(0, 37);
expect(spy.callCount).to.equal(1, 'callback should fire');
expect(spy.args[0][1]).to.equal('left', 'callback should match "left"');
});
it('binding plus key alone should work', function () {
var spy = sinon.spy();
Mousetrap.bind('+', spy);
// fires for regular + character
KeyEvent.simulate('+'.charCodeAt(0), 43);
// and for shift+=
KeyEvent.simulate(43, 187, ['shift']);
expect(spy.callCount).to.equal(2, 'callback should fire');
expect(spy.args[0][1]).to.equal('+', 'callback should match "+"');
});
it('binding plus key as "plus" should work', function () {
var spy = sinon.spy();
Mousetrap.bind('plus', spy);
// fires for regular + character
KeyEvent.simulate('+'.charCodeAt(0), 43);
// and for shift+=
KeyEvent.simulate(43, 187, ['shift']);
expect(spy.callCount).to.equal(2, 'callback should fire');
expect(spy.args[0][1]).to.equal('plus', 'callback should match "plus"');
});
it('binding to alt++ should work', function () {
var spy = sinon.spy();
Mousetrap.bind('alt++', spy);
KeyEvent.simulate('+'.charCodeAt(0), 43, ['alt']);
expect(spy.callCount).to.equal(1, 'callback should fire');
expect(spy.args[0][1]).to.equal('alt++', 'callback should match "alt++"');
});
it('binding to alt+shift++ should work as well', function () {
var spy = sinon.spy();
Mousetrap.bind('alt+shift++', spy);
KeyEvent.simulate('+'.charCodeAt(0), 43, ['shift', 'alt']);
expect(spy.callCount).to.equal(1, 'callback should fire');
expect(spy.args[0][1]).to.equal('alt+shift++', 'callback should match "alt++"');
});
});
describe('combos with modifiers', function () {
it('binding key combinations', function () {
var spy = sinon.spy();
Mousetrap.bind('command+o', spy);
KeyEvent.simulate('O'.charCodeAt(0), 79, ['meta']);
expect(spy.callCount).to.equal(1, 'command+o callback should fire');
expect(spy.args[0][1]).to.equal('command+o', 'keyboard string returned is correct');
});
it('binding key combos with multiple modifiers', function () {
var spy = sinon.spy();
Mousetrap.bind('command+shift+o', spy);
KeyEvent.simulate('O'.charCodeAt(0), 79, ['meta']);
expect(spy.callCount).to.equal(0, 'command+o callback should not fire');
KeyEvent.simulate('O'.charCodeAt(0), 79, ['meta', 'shift']);
expect(spy.callCount).to.equal(1, 'command+o callback should fire');
});
it('should fire callback when ctrl+numpad 0 is pressed', function () {
var spy = sinon.spy();
Mousetrap.bind('ctrl+0', spy);
// numpad 0 keycode
KeyEvent.simulate(96, 96, ['ctrl']);
expect(spy.callCount).to.equal(1, 'callback should fire once');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][1]).to.equal('ctrl+0', 'second argument should be key combo');
});
});
describe('sequences', function () {
it('binding sequences', function () {
var spy = sinon.spy();
Mousetrap.bind('g i', spy);
KeyEvent.simulate('G'.charCodeAt(0), 71);
expect(spy.callCount).to.equal(0, 'callback should not fire');
KeyEvent.simulate('I'.charCodeAt(0), 73);
expect(spy.callCount).to.equal(1, 'callback should fire');
});
it('binding sequences with mixed types', function () {
var spy = sinon.spy();
Mousetrap.bind('g o enter', spy);
KeyEvent.simulate('G'.charCodeAt(0), 71);
expect(spy.callCount).to.equal(0, 'callback should not fire');
KeyEvent.simulate('O'.charCodeAt(0), 79);
expect(spy.callCount).to.equal(0, 'callback should not fire');
KeyEvent.simulate(0, 13);
expect(spy.callCount).to.equal(1, 'callback should fire');
});
it('binding sequences starting with modifier keys', function () {
var spy = sinon.spy();
Mousetrap.bind('option enter', spy);
KeyEvent.simulate(0, 18, ['alt']);
KeyEvent.simulate(0, 13);
expect(spy.callCount).to.equal(1, 'callback should fire');
spy = sinon.spy();
Mousetrap.bind('command enter', spy);
KeyEvent.simulate(0, 91, ['meta']);
KeyEvent.simulate(0, 13);
expect(spy.callCount).to.equal(1, 'callback should fire');
spy = sinon.spy();
Mousetrap.bind('escape enter', spy);
KeyEvent.simulate(0, 27);
KeyEvent.simulate(0, 13);
expect(spy.callCount).to.equal(1, 'callback should fire');
});
it('key within sequence should not fire', function () {
var spy1 = sinon.spy();
var spy2 = sinon.spy();
Mousetrap.bind('a', spy1);
Mousetrap.bind('c a t', spy2);
KeyEvent.simulate('A'.charCodeAt(0), 65);
expect(spy1.callCount).to.equal(1, 'callback 1 should fire');
spy1.resetHistory();
KeyEvent.simulate('C'.charCodeAt(0), 67);
KeyEvent.simulate('A'.charCodeAt(0), 65);
KeyEvent.simulate('T'.charCodeAt(0), 84);
expect(spy1.callCount).to.equal(0, 'callback for "a" key should not fire');
expect(spy2.callCount).to.equal(1, 'callback for "c a t" sequence should fire');
});
it('keyup at end of sequence should not fire', function () {
var spy1 = sinon.spy();
var spy2 = sinon.spy();
Mousetrap.bind('t', spy1, 'keyup');
Mousetrap.bind('b a t', spy2);
KeyEvent.simulate('B'.charCodeAt(0), 66);
KeyEvent.simulate('A'.charCodeAt(0), 65);
KeyEvent.simulate('T'.charCodeAt(0), 84);
expect(spy1.callCount).to.equal(0, 'callback for "t" keyup should not fire');
expect(spy2.callCount).to.equal(1, 'callback for "b a t" sequence should fire');
});
it('keyup sequences should work', function () {
var spy = sinon.spy();
Mousetrap.bind('b a t', spy, 'keyup');
KeyEvent.simulate('b'.charCodeAt(0), 66);
KeyEvent.simulate('a'.charCodeAt(0), 65);
// hold the last key down for a while
KeyEvent.simulate('t'.charCodeAt(0), 84, [], document, 10);
expect(spy.callCount).to.equal(1, 'callback for "b a t" sequence should fire on keyup');
});
it('extra spaces in sequences should be ignored', function () {
var spy = sinon.spy();
Mousetrap.bind('b a t', spy);
KeyEvent.simulate('b'.charCodeAt(0), 66);
KeyEvent.simulate('a'.charCodeAt(0), 65);
KeyEvent.simulate('t'.charCodeAt(0), 84);
expect(spy.callCount).to.equal(1, 'callback for "b a t" sequence should fire');
});
it('modifiers and sequences play nicely', function () {
var spy1 = sinon.spy();
var spy2 = sinon.spy();
Mousetrap.bind('ctrl a', spy1);
Mousetrap.bind('ctrl+b', spy2);
KeyEvent.simulate(0, 17, ['ctrl']);
KeyEvent.simulate('A'.charCodeAt(0), 65);
expect(spy1.callCount).to.equal(1, '"ctrl a" should fire');
KeyEvent.simulate('B'.charCodeAt(0), 66, ['ctrl']);
expect(spy2.callCount).to.equal(1, '"ctrl+b" should fire');
});
it('sequences that start the same work', function () {
var spy1 = sinon.spy();
var spy2 = sinon.spy();
Mousetrap.bind('g g l', spy2);
Mousetrap.bind('g g o', spy1);
KeyEvent.simulate('g'.charCodeAt(0), 71);
KeyEvent.simulate('g'.charCodeAt(0), 71);
KeyEvent.simulate('o'.charCodeAt(0), 79);
expect(spy1.callCount).to.equal(1, '"g g o" should fire');
expect(spy2.callCount).to.equal(0, '"g g l" should not fire');
spy1.resetHistory();
spy2.resetHistory();
KeyEvent.simulate('g'.charCodeAt(0), 71);
KeyEvent.simulate('g'.charCodeAt(0), 71);
KeyEvent.simulate('l'.charCodeAt(0), 76);
expect(spy1.callCount).to.equal(0, '"g g o" should not fire');
expect(spy2.callCount).to.equal(1, '"g g l" should fire');
});
it('sequences should not fire subsequences', function () {
var spy1 = sinon.spy();
var spy2 = sinon.spy();
Mousetrap.bind('a b c', spy1);
Mousetrap.bind('b c', spy2);
KeyEvent.simulate('A'.charCodeAt(0), 65);
KeyEvent.simulate('B'.charCodeAt(0), 66);
KeyEvent.simulate('C'.charCodeAt(0), 67);
expect(spy1.callCount).to.equal(1, '"a b c" should fire');
expect(spy2.callCount).to.equal(0, '"b c" should not fire');
spy1.resetHistory();
spy2.resetHistory();
Mousetrap.bind('option b', spy1);
Mousetrap.bind('a option b', spy2);
KeyEvent.simulate('A'.charCodeAt(0), 65);
KeyEvent.simulate(0, 18, ['alt']);
KeyEvent.simulate('B'.charCodeAt(0), 66);
expect(spy1.callCount).to.equal(0, '"option b" should not fire');
expect(spy2.callCount).to.equal(1, '"a option b" should fire');
});
it('rebinding same sequence should override previous', function () {
var spy1 = sinon.spy();
var spy2 = sinon.spy();
Mousetrap.bind('a b c', spy1);
Mousetrap.bind('a b c', spy2);
KeyEvent.simulate('a'.charCodeAt(0), 65);
KeyEvent.simulate('b'.charCodeAt(0), 66);
KeyEvent.simulate('c'.charCodeAt(0), 67);
expect(spy1.callCount).to.equal(0, 'first callback should not fire');
expect(spy2.callCount).to.equal(1, 'second callback should fire');
});
it('broken sequences', function () {
var spy = sinon.spy();
Mousetrap.bind('h a t', spy);
KeyEvent.simulate('h'.charCodeAt(0), 72);
KeyEvent.simulate('e'.charCodeAt(0), 69);
KeyEvent.simulate('a'.charCodeAt(0), 65);
KeyEvent.simulate('r'.charCodeAt(0), 82);
KeyEvent.simulate('t'.charCodeAt(0), 84);
expect(spy.callCount).to.equal(0, 'sequence for "h a t" should not fire for "h e a r t"');
});
it('sequences containing combos should work', function () {
var spy = sinon.spy();
Mousetrap.bind('a ctrl+b', spy);
KeyEvent.simulate('a'.charCodeAt(0), 65);
KeyEvent.simulate('B'.charCodeAt(0), 66, ['ctrl']);
expect(spy.callCount).to.equal(1, '"a ctrl+b" should fire');
Mousetrap.unbind('a ctrl+b');
spy = sinon.spy();
Mousetrap.bind('ctrl+b a', spy);
KeyEvent.simulate('b'.charCodeAt(0), 66, ['ctrl']);
KeyEvent.simulate('a'.charCodeAt(0), 65);
expect(spy.callCount).to.equal(1, '"ctrl+b a" should fire');
});
it('sequences starting with spacebar should work', function () {
var spy = sinon.spy();
Mousetrap.bind('a space b c', spy);
KeyEvent.simulate('a'.charCodeAt(0), 65);
KeyEvent.simulate(32, 32);
KeyEvent.simulate('b'.charCodeAt(0), 66);
KeyEvent.simulate('c'.charCodeAt(0), 67);
expect(spy.callCount).to.equal(1, '"a space b c" should fire');
});
it('konami code', function () {
var spy = sinon.spy();
Mousetrap.bind('up up down down left right left right b a enter', spy);
KeyEvent.simulate(0, 38);
KeyEvent.simulate(0, 38);
KeyEvent.simulate(0, 40);
KeyEvent.simulate(0, 40);
KeyEvent.simulate(0, 37);
KeyEvent.simulate(0, 39);
KeyEvent.simulate(0, 37);
KeyEvent.simulate(0, 39);
KeyEvent.simulate('b'.charCodeAt(0), 66);
KeyEvent.simulate('a'.charCodeAt(0), 65);
KeyEvent.simulate(0, 13);
expect(spy.callCount).to.equal(1, 'konami code should fire');
});
it('sequence timer resets', function () {
var spy = sinon.spy();
var clock = sinon.useFakeTimers();
Mousetrap.bind('h a t', spy);
KeyEvent.simulate('h'.charCodeAt(0), 72);
clock.tick(600);
KeyEvent.simulate('a'.charCodeAt(0), 65);
clock.tick(900);
KeyEvent.simulate('t'.charCodeAt(0), 84);
expect(spy.callCount).to.equal(1, 'sequence should fire after waiting');
clock.restore();
});
it('sequences timeout', function () {
var spy = sinon.spy();
var clock = sinon.useFakeTimers();
Mousetrap.bind('g t', spy);
KeyEvent.simulate('g'.charCodeAt(0), 71);
clock.tick(1000);
KeyEvent.simulate('t'.charCodeAt(0), 84);
expect(spy.callCount).to.equal(0, 'sequence callback should not fire');
clock.restore();
});
});
describe('default actions', function () {
var keys = {
keypress: [
['a', 65],
['A', 65, ['shift']],
['7', 55],
['?', 191],
['*', 56],
['+', 187],
['$', 52],
['[', 219],
['.', 190]
],
keydown: [
['shift+\'', 222, ['shift']],
['shift+a', 65, ['shift']],
['shift+5', 53, ['shift']],
['command+shift+p', 80, ['meta', 'shift']],
['space', 32],
['left', 37]
]
};
function getCallback(key, keyCode, type, modifiers) {
return function () {
var spy = sinon.spy();
Mousetrap.bind(key, spy);
KeyEvent.simulate(key.charCodeAt(0), keyCode, modifiers);
expect(spy.callCount).to.equal(1);
expect(spy.args[0][0].type).to.equal(type);
};
}
for (var type in keys) {
for (var i = 0; i < keys[type].length; i++) {
var key = keys[type][i][0];
var keyCode = keys[type][i][1];
var modifiers = keys[type][i][2] || [];
it('"' + key + '" uses "' + type + '"', getCallback(key, keyCode, type, modifiers));
}
}
});
});
describe('Mousetrap.unbind', function () {
it('unbind works', function () {
var spy = sinon.spy();
Mousetrap.bind('a', spy);
KeyEvent.simulate('a'.charCodeAt(0), 65);
expect(spy.callCount).to.equal(1, 'callback for a should fire');
Mousetrap.unbind('a');
KeyEvent.simulate('a'.charCodeAt(0), 65);
expect(spy.callCount).to.equal(1, 'callback for a should not fire after unbind');
});
it('unbind accepts an array', function () {
var spy = sinon.spy();
Mousetrap.bind(['a', 'b', 'c'], spy);
KeyEvent.simulate('a'.charCodeAt(0), 65);
KeyEvent.simulate('b'.charCodeAt(0), 66);
KeyEvent.simulate('c'.charCodeAt(0), 67);
expect(spy.callCount).to.equal(3, 'callback should have fired 3 times');
Mousetrap.unbind(['a', 'b', 'c']);
KeyEvent.simulate('a'.charCodeAt(0), 65);
KeyEvent.simulate('b'.charCodeAt(0), 66);
KeyEvent.simulate('c'.charCodeAt(0), 67);
expect(spy.callCount).to.equal(3, 'callback should not fire after unbind');
});
});
describe('wrapping a specific element', function () {
// Prepare the DOM for these tests.
document.body.insertAdjacentHTML('afterbegin', `
<form style="display: none;">
<textarea></textarea>
</form>
`);
var form = document.querySelector('form');
var textarea = form.querySelector('textarea');
it('z key fires when pressing z in the target element', function () {
var spy = sinon.spy();
Mousetrap(form).bind('z', spy);
KeyEvent.simulate('Z'.charCodeAt(0), 90, [], form);
expect(spy.callCount).to.equal(1, 'callback should fire once');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][1]).to.equal('z', 'second argument should be key combo');
});
it('z key fires when pressing z in a child of the target element', function () {
var spy = sinon.spy();
Mousetrap(form).bind('z', spy);
KeyEvent.simulate('Z'.charCodeAt(0), 90, [], textarea);
expect(spy.callCount).to.equal(1, 'callback should fire once');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][1]).to.equal('z', 'second argument should be key combo');
});
it('z key does not fire when pressing z outside the target element', function () {
var spy = sinon.spy();
Mousetrap(textarea).bind('z', spy);
KeyEvent.simulate('Z'.charCodeAt(0), 90);
expect(spy.callCount).to.equal(0, 'callback should not have fired');
});
it('should work when constructing a new mousetrap object', function () {
var spy = sinon.spy();
var mousetrap = new Mousetrap(form);
mousetrap.bind('a', spy);
KeyEvent.simulate('a'.charCodeAt(0), 65, [], textarea);
expect(spy.callCount).to.equal(1, 'callback should fire once');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][1]).to.equal('a', 'second argument should be key combo');
});
it('should allow you to create an empty mousetrap constructor', function () {
var spy = sinon.spy();
var mousetrap = new Mousetrap();
mousetrap.bind('a', spy);
KeyEvent.simulate('a'.charCodeAt(0), 65);
expect(spy.callCount).to.equal(1, 'callback should fire once');
expect(spy.args[0][0]).to.be.an.instanceOf(Event, 'first argument should be Event');
expect(spy.args[0][1]).to.equal('a', 'second argument should be key combo');
});
});
describe('Mouestrap.addKeycodes', function () {
it('should properly recognize non-default mapping', function () {
const spy = sinon.spy();
Mousetrap.addKeycodes({
144: 'num',
});
Mousetrap.bind('num', spy);
KeyEvent.simulate(144, 144);
expect(spy.callCount).to.equal(1, 'callback should fire for num');
spy.resetHistory();
});
});