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