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