forgeplus-react/node_modules/material-ui/es/transitions/Fade.test.js

100 lines
2.9 KiB
JavaScript

import _extends from "@babel/runtime/helpers/extends";
import React from 'react';
import { assert } from 'chai';
import { spy } from 'sinon';
import { createShallow, createMount } from '../test-utils';
import Fade from './Fade';
var _ref = React.createElement("div", null);
var _ref2 = React.createElement(Fade, {
"in": false,
appear: true
}, React.createElement("div", null, "Foo"));
var _ref3 = React.createElement(Fade, {
"in": false,
appear: false
}, React.createElement("div", null, "Foo"));
describe('<Fade />', () => {
let shallow;
let mount;
const defaultProps = {
in: true,
children: _ref
};
before(() => {
shallow = createShallow({
dive: true
});
mount = createMount();
});
after(() => {
mount.cleanUp();
});
it('should render a Transition', () => {
const wrapper = shallow(React.createElement(Fade, defaultProps));
assert.strictEqual(wrapper.name(), 'Transition');
});
describe('event callbacks', () => {
it('should fire event callbacks', () => {
const events = ['onEnter', 'onEntering', 'onEntered', 'onExit', 'onExiting', 'onExited'];
const handlers = events.reduce((result, n) => {
result[n] = spy();
return result;
}, {});
const wrapper = shallow(React.createElement(Fade, _extends({}, defaultProps, handlers)));
events.forEach(n => {
const event = n.charAt(2).toLowerCase() + n.slice(3);
wrapper.simulate(event, {
style: {}
});
assert.strictEqual(handlers[n].callCount, 1, `should have called the ${n} handler`);
assert.strictEqual(handlers[n].args[0].length, 1, 'should forward the element');
});
});
});
describe('transition lifecycle', () => {
let wrapper;
let instance;
before(() => {
wrapper = shallow(React.createElement(Fade, defaultProps));
instance = wrapper.instance();
});
describe('handleEnter()', () => {
it('should set style properties', () => {
const element = {
style: {}
};
instance.handleEnter(element);
assert.strictEqual(element.style.transition, 'opacity 225ms cubic-bezier(0.4, 0, 0.2, 1) 0ms');
});
});
describe('handleExit()', () => {
it('should set style properties', () => {
const element = {
style: {}
};
instance.handleExit(element);
assert.strictEqual(element.style.transition, 'opacity 195ms cubic-bezier(0.4, 0, 0.2, 1) 0ms');
});
});
});
describe('prop: appear', () => {
it('should work when initially hidden', () => {
const wrapper = mount(_ref2);
assert.deepEqual(wrapper.find('div').props().style, {
opacity: 0,
willChange: 'opacity'
});
});
it('should work when initially hidden', () => {
const wrapper = mount(_ref3);
assert.deepEqual(wrapper.find('div').props().style, {
opacity: 0,
willChange: 'opacity'
});
});
});
});