2012-03-20 111 views
26

我想使用摩卡运行一些测试,但似乎无法克服这个错误。nodejs摩卡套件未定义错误

E:\tdd\nodejs\cart>mocha cart.test.js 

node.js:201 
     throw e; // process.nextTick error, or 'err 
      ^
ReferenceError: suite is not defined 
    at Object.<anonymous> (E:\tdd\nodejs\cart\cart.test.js:5:1 
    at Module._compile (module.js:432:26) 
    at Object..js (module.js:450:10) 
    at Module.load (module.js:351:31) 
    at Function._load (module.js:310:12) 
    at Module.require (module.js:357:17) 
    at require (module.js:368:17) 
    at C:\Users\lex\AppData\Roaming\npm\node_module 
    at Array.forEach (native) 
    at load (C:\Users\lex\AppData\Roaming\npm\node_ 
9) 
    at Object.<anonymous> (C:\Users\lex\AppData\Roa 
in\_mocha:237:1) 
    at Module._compile (module.js:432:26) 
    at Object..js (module.js:450:10) 
    at Module.load (module.js:351:31) 
    at Function._load (module.js:310:12) 
    at Array.0 (module.js:470:10) 
    at EventEmitter._tickCallback (node.js:192:40) 

从我可以告诉调用堆栈的问题在这里cart.test.js:5:1。 任何想法是什么造成这种情况?

感谢

cart.js

var GetTotalSum = function (input) { 
    var total = 0, 
     differentTitles = 0, 
     discountMap = [0, 1, 0.95, 0.9, 0.8, 0.75], 
     BOOK_PRICE = 8; 

    for (var i in input) { 
     total += input[i] * BOOK_PRICE; 
     if (input[i] > 0) { 
      differentTitles++; 
     } 
    } 

    if (differentTitles > 1) { 
     total = total * discountMap[differentTitles]; 
    } 

    return total; 
} 


module.exports.GetTotalSum = GetTotalSum; 

cart.test.js

var assert = require('assert'), 
    cart = require('./cart.js'); 


suite('cart', function() { 
    test('buy one book', function() { 
     // Arrange 
     var input = [1, 0, 0, 0, 0], 
      expected = 8; 

     // Act 
     var actual = cart.GetTotalSum(input); 

     // Assert 
     assert.equal(actual, expected);  
    }); 
}); 

回答

53

你需要的,而不是默认的告诉摩卡使用TDD接口, BDD之一:

mocha --ui tdd card.test.js 
+0

谢谢。工作正常。任何将tdd接口指定为默认的方式? – thedev 2012-03-20 21:50:06

+1

使用'mocha.opts'文件,详情请参阅http://visionmedia.github.com/mocha/。 – Domenic 2012-03-20 21:52:48

+0

你会如何动态地做到这一点?我在每次保存时都运行测试,它通过吞咽设置。我正在运行BDD和TDD测试 – PositiveGuy 2015-07-10 16:08:11

3

您还可以包括一个Makefile在你的项目,像这样指定TDD:

test: 
    @./node_modules/.bin/mocha -u tdd 

.PHONY: test 

帽尖:DailyJS

3

您可以通过只指定摩卡-u TDD做同样的在package.json

"scripts": { 
"start" : "node server",  
"test": "mocha -u tdd" 
}