Allows unit testing of Events

EventTester.js

/**
 * @description Allows unit testing of Events
 * @namespace
 * @example
 * //Create an incident, update the state, then ensure the incident.state.changed event was fired
 * var incident = new GlideRecord('incident');
 * if (incident.get(sys_id)) {
 *  	incident.state = 2;
 *  	incident.update();
 * }
 * assertTrue(new EventTester().isEventCorrect('incident.state.changed', incident));
 * @type {Class}
 */
var EventTester = Class.create();
EventTester.prototype = {
	/**
	 * @description The name of the event log table
	 * @type {String}
	 */
	TABLE_NAME: 'sysevent',
	/**
	 * @description An encoded query that gets anything created within the current minute
	 * @type {String}
	 */
	ENCODED_QUERY : 'sys_created_onONCurrent minute@javascript:gs.minutesAgoStart(0)@javascript:gs.minutesAgoEnd(0)',
	/**
	 * @description Finds event records created in the current minute with a given name
	 * @param  {String} name The name of an event
	 * @return {GlideRecord}      Event Log records
	 */
	findEventByNameAndParams: function(name, parm1, parm2) {
		var record = new GlideRecord(this.TABLE_NAME);
		record.addEncodedQuery(this.ENCODED_QUERY);
		record.addQuery('name', name);
		record.addQuery('parm1', parm1);
		record.addQuery('parm2', parm2);
		record.query();
		return record;
	},
	/**
	 * @description Determines if an event is correct
	 * @param  {String} name   The name of an event
	 * @param  {GlideRecord} record The record to check against
	 * @param  {String} parm1  The expected 1st parameter
	 * @param  {String} parm2  The expected 2nd parameter
	 * @return {Boolean}        True if the event was correct; false if not
	 */
	isEventCorrect: function(name, record, parm1, parm2) {
		var test = this.findEventByNameAndParams(name, parm1, parm2);
		if (test.next()) {
			return (test.name == name && test.instance == record.sys_id &&
				test.parm1 == parm1 && test.parm2 == parm2);
		}
		return false;
	},
	'type' : 'EventTester'
};