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/**
* @fileoverview Helpers to test EventGenerator interface.
* @author Toru Nagashima
* @copyright 2015 Toru Nagashima. All rights reserved.
* See LICENSE file in root directory for full license.
*/
"use strict";
/* global describe, it */
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
var assert = require("assert");
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = {
/**
* Overrideable `describe` function to test.
* @param {string} text - A description.
* @param {function} method - A test logic.
* @returns {any} The returned value with the test logic.
*/
describe: (typeof describe === "function") ? describe : /* istanbul ignore next */ function(text, method) {
return method.apply(this);
},
/**
* Overrideable `it` function to test.
* @param {string} text - A description.
* @param {function} method - A test logic.
* @returns {any} The returned value with the test logic.
*/
it: (typeof it === "function") ? it : /* istanbul ignore next */ function(text, method) {
return method.apply(this);
},
/**
* Does some tests to check a given object implements the EventGenerator interface.
* @param {object} instance - An object to check.
* @returns {void}
*/
testEventGeneratorInterface: function(instance) {
this.describe("should implement EventGenerator interface", function() {
this.it("should have `emitter` property.", function() {
assert.equal(typeof instance.emitter, "object");
assert.equal(typeof instance.emitter.emit, "function");
});
this.it("should have `enterNode` property.", function() {
assert.equal(typeof instance.enterNode, "function");
});
this.it("should have `leaveNode` property.", function() {
assert.equal(typeof instance.leaveNode, "function");
});
}.bind(this));
}
};