63 lines
2 KiB
JavaScript
63 lines
2 KiB
JavaScript
/* eslint-disable max-len, arrow-parens, comma-dangle */
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require('~/subbable_resource');
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/*
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* Test that each rest verb calls the publish and subscribe function and passes the correct value back
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*
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*
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* */
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((global) => {
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describe('Subbable Resource', function () {
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describe('PubSub', function () {
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beforeEach(function () {
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this.MockResource = new global.SubbableResource('https://example.com');
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});
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it('should successfully add a single subscriber', function () {
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const callback = () => {};
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this.MockResource.subscribe(callback);
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expect(this.MockResource.subscribers.length).toBe(1);
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expect(this.MockResource.subscribers[0]).toBe(callback);
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});
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it('should successfully add multiple subscribers', function () {
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const callbackOne = () => {};
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const callbackTwo = () => {};
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const callbackThree = () => {};
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this.MockResource.subscribe(callbackOne);
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this.MockResource.subscribe(callbackTwo);
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this.MockResource.subscribe(callbackThree);
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expect(this.MockResource.subscribers.length).toBe(3);
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});
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it('should successfully publish an update to a single subscriber', function () {
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const state = { myprop: 1 };
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const callbacks = {
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one: (data) => expect(data.myprop).toBe(2),
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two: (data) => expect(data.myprop).toBe(2),
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three: (data) => expect(data.myprop).toBe(2)
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};
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const spyOne = spyOn(callbacks, 'one');
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const spyTwo = spyOn(callbacks, 'two');
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const spyThree = spyOn(callbacks, 'three');
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this.MockResource.subscribe(callbacks.one);
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this.MockResource.subscribe(callbacks.two);
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this.MockResource.subscribe(callbacks.three);
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state.myprop += 1;
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this.MockResource.publish(state);
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expect(spyOne).toHaveBeenCalled();
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expect(spyTwo).toHaveBeenCalled();
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expect(spyThree).toHaveBeenCalled();
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});
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});
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});
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})(window.gl || (window.gl = {}));
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