71 lines
2.6 KiB
JavaScript
71 lines
2.6 KiB
JavaScript
/*global converse */
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(function (root, factory) {
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define([
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"jquery",
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"mock",
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"test_utils"
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], function ($, mock, test_utils) {
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return factory($, mock, test_utils);
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}
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);
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} (this, function ($, mock, test_utils) {
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return describe("The Converse Event Emitter", $.proxy(function(mock, test_utils) {
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window.localStorage.clear();
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window.sessionStorage.clear();
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it("allows you to subscribe to emitted events", function () {
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this.callback = function () {};
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spyOn(this, 'callback');
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converse.on('initialized', this.callback);
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converse.emit('initialized');
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expect(this.callback).toHaveBeenCalled();
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converse.emit('initialized');
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expect(this.callback.callCount, 2);
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converse.emit('initialized');
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expect(this.callback.callCount, 3);
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});
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it("allows you to listen once for an emitted event", function () {
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this.callback = function () {};
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spyOn(this, 'callback');
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converse.once('initialized', this.callback);
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converse.emit('initialized');
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expect(this.callback).toHaveBeenCalled();
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converse.emit('initialized');
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expect(this.callback.callCount, 1);
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converse.emit('initialized');
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expect(this.callback.callCount, 1);
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});
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it("allows you to stop listening or subscribing to an event", function () {
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this.callback = function () {};
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this.anotherCallback = function () {};
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this.neverCalled = function () {};
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spyOn(this, 'callback');
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spyOn(this, 'anotherCallback');
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spyOn(this, 'neverCalled');
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converse.on('initialized', this.callback);
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converse.on('initialized', this.anotherCallback);
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converse.emit('initialized');
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expect(this.callback).toHaveBeenCalled();
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expect(this.anotherCallback).toHaveBeenCalled();
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converse.off('initialized', this.callback);
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converse.emit('initialized');
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expect(this.callback.callCount, 1);
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expect(this.anotherCallback.callCount, 2);
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converse.once('initialized', this.neverCalled);
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converse.off('initialized', this.neverCalled);
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converse.emit('initialized');
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expect(this.callback.callCount, 1);
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expect(this.anotherCallback.callCount, 3);
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expect(this.neverCalled).not.toHaveBeenCalled();
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});
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}, converse, mock, test_utils));
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}));
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