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