kubernetes-handbook/clipboard/test/clipboard.js

133 lines
4.0 KiB
JavaScript

import Clipboard from '../src/clipboard';
import ClipboardAction from '../src/clipboard-action';
import listen from 'good-listener';
describe('Clipboard', () => {
before(() => {
global.button = document.createElement('button');
global.button.setAttribute('class', 'btn');
global.button.setAttribute('data-clipboard-text', 'foo');
document.body.appendChild(global.button);
global.span = document.createElement('span');
global.span.innerHTML = 'bar';
global.button.appendChild(span);
global.event = {
target: global.button,
currentTarget: global.button
};
});
after(() => {
document.body.innerHTML = '';
});
describe('#resolveOptions', () => {
before(() => {
global.fn = () => {};
});
it('should set action as a function', () => {
let clipboard = new Clipboard('.btn', {
action: global.fn
});
assert.equal(global.fn, clipboard.action);
});
it('should set target as a function', () => {
let clipboard = new Clipboard('.btn', {
target: global.fn
});
assert.equal(global.fn, clipboard.target);
});
it('should set text as a function', () => {
let clipboard = new Clipboard('.btn', {
text: global.fn
});
assert.equal(global.fn, clipboard.text);
});
it('should set container as an object', () => {
let clipboard = new Clipboard('.btn', {
container: document.body
});
assert.equal(document.body, clipboard.container);
});
it('should set container as body by default', () => {
let clipboard = new Clipboard('.btn');
assert.equal(document.body, clipboard.container);
});
});
describe('#listenClick', () => {
it('should add a click event listener to the passed selector', () => {
let clipboard = new Clipboard('.btn');
assert.isObject(clipboard.listener);
});
});
describe('#onClick', () => {
it('should create a new instance of ClipboardAction', () => {
let clipboard = new Clipboard('.btn');
clipboard.onClick(global.event);
assert.instanceOf(clipboard.clipboardAction, ClipboardAction);
});
it('should use an event\'s currentTarget when not equal to target', () => {
let clipboard = new Clipboard('.btn');
let bubbledEvent = { target: global.span, currentTarget: global.button };
clipboard.onClick(bubbledEvent);
assert.instanceOf(clipboard.clipboardAction, ClipboardAction);
});
it('should throw an exception when target is invalid', done => {
try {
const clipboard = new Clipboard('.btn', {
target() {
return null;
}
});
clipboard.onClick(global.event);
}
catch(e) {
assert.equal(e.message, 'Invalid "target" value, use a valid Element');
done();
}
});
});
describe('#static isSupported', () => {
it('should return the support of the given action', () => {
assert.equal(Clipboard.isSupported('copy'), true);
assert.equal(Clipboard.isSupported('cut'), true);
});
it('should return the support of the cut and copy actions', () => {
assert.equal(Clipboard.isSupported(), true);
});
});
describe('#destroy', () => {
it('should destroy an existing instance of ClipboardAction', () => {
let clipboard = new Clipboard('.btn');
clipboard.onClick(global.event);
clipboard.destroy();
assert.equal(clipboard.clipboardAction, null);
});
});
});