GT2/GT2-Android/node_modules/react-timer-mixin/__tests__/TimerMixin-test.js

108 lines
3.8 KiB
JavaScript

/*
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
global.setImmediate = jest.genMockFunction();
global.clearImmediate = jest.genMockFunction();
global.requestAnimationFrame = jest.genMockFunction();
global.cancelAnimationFrame = jest.genMockFunction();
jest.dontMock('../TimerMixin');
var TimerMixin = require('../TimerMixin');
describe('TimerMixin', function() {
var component;
beforeEach(function() {
component = Object.create(TimerMixin);
// Simulate React auto-binding
[
'setTimeout', 'clearTimeout',
'setInterval', 'clearInterval',
'setImmediate', 'clearImmediate',
'requestAnimationFrame', 'cancelAnimationFrame'
].forEach(function(key) {
component[key] = component[key].bind(component);
});
});
[
{setter: 'setTimeout', clearer: 'clearTimeout', array: 'TimerMixin_timeouts'},
{setter: 'setInterval', clearer: 'clearInterval', array: 'TimerMixin_intervals'},
{setter: 'setImmediate', clearer: 'clearImmediate', array: 'TimerMixin_immediates'},
{setter: 'requestAnimationFrame', clearer: 'cancelAnimationFrame', array: 'TimerMixin_rafs'},
].forEach(function(type) {
it('should apply basic ' + type.setter + ' correctly', function() {
expect(component[type.array]).toEqual(undefined);
global[type.setter].mockClear();
global[type.setter].mockReturnValue(1);
global[type.clearer].mockClear();
var cb = jest.genMockFunction();
var id = component[type.setter](cb, 10);
expect(global[type.setter]).toBeCalledWith(cb, 10);
expect(global[type.clearer]).not.toBeCalled();
expect(component[type.array]).toEqual([id]);
component.componentWillUnmount();
expect(global[type.clearer]).toBeCalledWith(id);
expect(component[type.array]).toEqual(null);
});
it('should apply ' + type.clearer + ' correctly', function() {
var id = 1;
global[type.setter].mockClear();
global[type.setter].mockImpl(function() { return id++; });
global[type.clearer].mockClear();
var cb = jest.genMockFunction();
var id1 = component[type.setter](cb, 10);
var id2 = component[type.setter](cb, 10);
var id3 = component[type.setter](cb, 10);
component[type.clearer](id2);
expect(global[type.clearer]).toBeCalledWith(id2);
var id4 = component[type.setter](cb, 10);
component[type.clearer](id1);
expect(global[type.clearer]).toBeCalledWith(id1);
var id5 = component[type.setter](cb, 10);
component[type.clearer](id5);
expect(global[type.clearer]).toBeCalledWith(id5);
component[type.clearer](id3);
expect(global[type.clearer]).toBeCalledWith(id3);
expect(component[type.array]).toEqual([id4]);
component.componentWillUnmount();
expect(global[type.clearer]).toBeCalledWith(id4);
expect(component[type.array]).toEqual(null);
});
it('should remove bookeeping when callback is called for ' + type.setter, function() {
global[type.setter].mockClear();
global[type.setter].mockReturnValue(1);
global[type.clearer].mockClear();
var cb = jest.genMockFunction();
var id = component[type.setter](cb, 10);
expect(cb).not.toBeCalled();
global[type.setter].mock.calls[0][0]();
expect(cb).toBeCalled();
if (type.setter !== 'setInterval') {
expect(global[type.clearer]).toBeCalledWith(id);
expect(component[type.array]).toEqual([]);
} else {
expect(global[type.clearer]).not.toBeCalled();
expect(component[type.array]).toEqual([id]);
}
});
});
});