Ale*_*ler 11 javascript tdd mocha.js phantomjs
我有以下内容testrunner.html:
<html>
<head>
<title>Specs</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="/content/css/mocha.css" />
<script>
function assert(expr, msg) {
if (!expr) throw new Error(msg || 'failed');
}
</script>
<script src="/client/lib/require.js" type="text/javascript" data-main="/client/specs/_runner.js"></script>
</head>
<body>
<div id="mocha"></div>
</body>
</html>
该_runner.js如下所示:
// Configure RequireJS
require.config({
baseUrl: '/client',
urlArgs: "v=" + (new Date()).getTime()
});
// Require libraries
require(['require', 'lib/chai', 'lib/mocha'], function (require, chai) {
// Chai
assert = chai.assert;
should = chai.should();
expect = chai.expect;
// Mocha
mocha.setup('bdd');
// Require base tests before starting
require(['specs/stringcalculator.specs'], function (person) {
mocha.setup({ globals: ['hasCert'] });
// Start runner
if (window.mochaPhantomJS) {
mochaPhantomJS.run();
}
else { mocha.run(); }
});
});
这StringCalculator.specs.js是:
define(['app/model/StringCalculator'], function () {
describe("StringCalculator", function () {
describe("when an empty string is passed in", function () {
it("returns 0", function () {
var result = StringCalculator.add("");
assert(result === 0);
});
});
describe("when a number is passed in", function () {
it("returns the number", function () {
var result = StringCalculator.add("2");
assert(result === 2);
});
});
describe("when string is passed in", function () {
it("returns NaN", function () {
var result = StringCalculator.add("a");
assert(isNaN(result));
});
});
describe("when '1,2' is passed in", function () {
it("returns 3", function () {
var result = StringCalculator.add("1,2");
assert(result === 3);
});
});
});
});
这就是它StringCalculator.js自己(来自摩卡样本):
define([], function() {
window.StringCalculator = StringCalculator = {
add: function(inputString) {
if (inputString === '') {
return 0;
}
var result = 0;
var inputStrings = inputString.split(',');
for (var i = 0; i < inputStrings.length; i++) {
result += parseInt(inputStrings[i]);
}
return result;
}
}
});
在浏览器调用中运行规范时testrunner.html,一切都按预期工作.mocha-phantomjs client/specs/testrunner.html在OS X上运行时,我收到以下错误:
Failed to start mocha: Init timeout
我可能在这里失踪了什么？
我也尝试过mocha-phantomjs http://httpjs.herokuapp.com失败并出现同样的错误.
更新:如果我正在调用mocha-phantomjs http://localhost:81/client/specs/testrunner.html我也在控制台上收到以下错误:
RangeError: Maximum call stack size exceeded.
http://localhost:81/client/lib/chai.js?v=123423553533535:2601
Failed to start mocha: Init timeout
我得到同样的Failed to start mocha运行时错误mocha-phantomjs通过grunt-mocha-phantomjsNPM包.在这里找到解决方案.
在此重复以供参考:
要使用mocha-phantomjs运行,请更改
mocha.run();
至
if (mochaPhantomJS) {
mochaPhantomJS.run();
}
else {
mocha.run();
}
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