{"id":31918,"date":"2023-05-26T14:43:34","date_gmt":"2023-09-30T14:55:46","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8nodeunit-%e5%bc%80%e5%a7%8b%e8%87%aa%e5%8a%a8%e5%8c%96node-js%e7%9a%84%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95\/"},"modified":"2024-04-30T06:03:16","modified_gmt":"2024-04-29T22:03:16","slug":"%e7%94%a8nodeunit-%e5%bc%80%e5%a7%8b%e8%87%aa%e5%8a%a8%e5%8c%96node-js%e7%9a%84%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8nodeunit-%e5%bc%80%e5%a7%8b%e8%87%aa%e5%8a%a8%e5%8c%96node-js%e7%9a%84%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95\/","title":{"rendered":"\u7528nodeunit \u5f00\u59cb\u81ea\u52a8\u5316Node.js\u7684\u5355\u5143\u6d4b\u8bd5"},"content":{"rendered":"<h1>\u5355\u5143\u6d4b\u8bd5 c\u00e8 sh\u00ec)<\/h1>\n<p>\u6211\u5c06\u4f7f\u7528Node.js\u7684\u5355\u5143\u6d4b\u8bd5\u5e93nodeunit\uff0c\u6765\u89e3\u91ca\u6709\u5173\u5355\u5143\u6d4b\u8bd5\u81ea\u52a8\u5316\u7684\u57fa\u7840\u77e5\u8bc6\u3002<\/p>\n<h2>\u8003\u8bd5\u6982\u8981<\/h2>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u6d4b\u8bd5\u5b9e\u9645\u7b80\u5355\u7684\u7a0b\u5e8f\u6765\u89e3\u91ca\u4ee5\u4e0b\u6d4b\u8bd5\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u540c\u671f\u7684\u306a\u51e6\u7406\u306e\u30c6\u30b9\u30c8(\u57fa\u672c\u7684\u306a\u30c6\u30b9\u30c8)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4f8b\u5916\u304c\u30b9\u30ed\u30fc\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u306e\u51e6\u7406\u306e\u30c6\u30b9\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u975e\u540c\u671f\u306a\u51e6\u7406\u306e\u30c6\u30b9\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">setUp, tearDown \u3092\u4f7f\u3063\u305f\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/ul>\n<h2>\u5b89\u88c5nodeunit<\/h2>\n<p>\u5b89\u88c5 Nodeunit\u3002<\/p>\n<pre class=\"post-pre\"><code>$ sudo npm install -g nodeunit\r\n<\/code><\/pre>\n<p>\u5f53\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5c1d\u8bd5\u6267\u884cnodeunit\u547d\u4ee4\uff0c\u786e\u8ba4\u80fd\u591f\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ nodeunit -v\r\n0.9.1\r\n<\/code><\/pre>\n<p>\u5982\u679c\u627e\u4e0d\u5230\u547d\u4ee4\uff0c\u8bf7\u81ea\u884c\u5c06PATH\u6dfb\u52a0\u5230nodeunit\u547d\u4ee4\u4e2d\uff08\u7531\u4e8e\u73af\u5883\u7684\u5dee\u5f02\uff0c\u8be6\u7ec6\u6b65\u9aa4\u7565\u53bb\uff09\u3002<\/p>\n<h2>\u5efa\u7acb\u5de5\u4f5c\u76ee\u5f55<\/h2>\n<p>\u8fd9\u6b21\u7684\u76ee\u5f55\/\u6587\u4ef6\u7ed3\u6784\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>nodeprj\/                \/\/ &lt;- \u30ef\u30fc\u30af\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\r\n  +--lib\/\r\n  | +--divided.js       \/\/ &lt;- \u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\r\n  +--test\/\r\n    +--test-divided.js  \/\/ &lt;- divided.js \u3092\u30c6\u30b9\u30c8\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\r\n<\/code><\/pre>\n<p>\u8bf7\u9884\u5148\u521b\u5efa\u8fd9\u4e9b\u76ee\u5f55\u548c\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>$ mkdir -p nodeprj\r\n$ cd nodeprj\r\n$ mkdir {lib,test}\r\n<\/code><\/pre>\n<p>\u6211\u6253\u7b97\u4ee5\u4e00\u4e2a\u4f7f\u7528TDD\u5f00\u53d1\u7684\u5047\u8bbe\u4f5c\u4e3a\u4f8b\u5b50\uff0c\u6765\u89e3\u91ca\u5982\u4f55\u4f7f\u7528nodeunit\u6765\u5f00\u53d1\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8be5\u7a0b\u5e8f\u7684\u529f\u80fd\u662f\u5c06\u7ed9\u5b9a\u7684\u6570\u5b57\u9664\u4ee52\uff0c\u5e76\u820d\u5f03\u5c0f\u6570\u70b9\u540e\u7684\u90e8\u5206\u3002<\/p>\n<h2>\u540c\u65f6\u8fdb\u884c\u5904\u7406\u7684\u6d4b\u8bd5<\/h2>\n<p>\u5728test\/test-divided.js\u6587\u4ef6\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u4ef6\uff0c\u5e76\u7f16\u5199\u4ee5\u4e0b\u6d4b\u8bd5\u7a0b\u5e8f\u3002<br \/>\n\u5728\u7f16\u5199\u6d4b\u8bd5\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u4ee5\u5c06\u65b9\u6cd5\u5206\u914d\u7ed9\u5728\u6a21\u5757\u5185\u88ab\u5171\u4eab\u7684exports\u5bf9\u8c61\u7684\u5f62\u5f0f\u8fdb\u884c\u3002<br \/>\ntest.equal\u662f\u4e00\u4e2a\u8fdb\u884c\u65ad\u8a00\u7684\u65b9\u6cd5\uff0c\u5728\u8fd9\u91cc\u9700\u8981\u8bb0\u5f55\u6d4b\u8bd5\u7684\u9884\u671f\u7ed3\u679c\u3002<br \/>\n\u53e6\u5916\uff0c\u8bf7\u786e\u4fdd\u6bcf\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u7ed3\u675f\u65f6\u90fd\u8c03\u7528test.done\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">divided<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">..\/lib\/divided<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">calculate<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">),<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u5b8c\u6210\u7a0b\u5e8f\u540e\uff0c\u8bf7\u4f7f\u7528nodeunit\u547d\u4ee4\u8fd0\u884c\u6d4b\u8bd5\u3002\u6267\u884cnodeunit\u547d\u4ee4\u65f6\uff0c\u8bf7\u4f7f\u7528nodeunit\uff08\u5305\u542b\u6d4b\u8bd5\u7a0b\u5e8f\u7684\u76ee\u5f55\uff09\u7684\u683c\u5f0f\u8fdb\u884c\u6267\u884c\u3002\u7531\u4e8e\u672c\u6b21\u6d4b\u8bd5\u7a0b\u5e8f\u4f4d\u4e8etest\u76ee\u5f55\u4e2d\uff0c\u56e0\u6b64\u6267\u884c\u547d\u4ee4\u4e3anodeunit test\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">~<\/span><span class=\"nx\">nodeprj$<\/span> <span class=\"nx\">nodeunit<\/span> <span class=\"nx\">test<\/span>\r\n\r\n<span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">340<\/span>\r\n    <span class=\"k\">throw<\/span> <span class=\"nx\">err<\/span><span class=\"p\">;<\/span>\r\n          <span class=\"o\">^<\/span>\r\n<span class=\"nb\">Error<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Cannot<\/span> <span class=\"nx\">find<\/span> <span class=\"nx\">module<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/lib\/divided<\/span><span class=\"dl\">'<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nb\">Function<\/span><span class=\"p\">.<\/span><span class=\"nx\">Module<\/span><span class=\"p\">.<\/span><span class=\"nx\">_resolveFilename<\/span> <span class=\"p\">(<\/span><span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">338<\/span><span class=\"p\">:<\/span><span class=\"mi\">15<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nb\">Function<\/span><span class=\"p\">.<\/span><span class=\"nx\">Module<\/span><span class=\"p\">.<\/span><span class=\"nx\">_load<\/span> <span class=\"p\">(<\/span><span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">280<\/span><span class=\"p\">:<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">...<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nx\">Module<\/span><span class=\"p\">.<\/span><span class=\"nx\">require<\/span> <span class=\"p\">(<\/span><span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">364<\/span><span class=\"p\">:<\/span><span class=\"mi\">17<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6839\u636e\u7ed3\u679c\u53ef\u77e5\uff0c\u6a21\u5757\u8c03\u7528\u5931\u8d25\u3002\u6839\u636e\u8fd9\u4e2a\u6d4b\u8bd5\u7ed3\u679c\uff0c\u9996\u5148\u521b\u5efalib\/divided.js\u6587\u4ef6\u5e76\u5b9e\u73b0calculate\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/** \u4e0e\u3048\u3089\u308c\u305f\u5024\u30922 \u3067\u5272\u3063\u3066\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u305f\u7d50\u679c\u3092\u8fd4\u3059\u95a2\u6570 *\/<\/span>\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0f3537434c4406bee4e3\/24-0.png\" alt=\"NodeUnite_Intro_0000.png\" \/><\/div>\n<p>\u7136\u540e\uff0c\u7531\u4e8e\u8fd4\u56de\u7684\u7ed3\u679c\u662fundefined\u800c\u4e0d\u662f\u9884\u671f\u76842\uff0c\u6240\u4ee5\u51fa\u73b0\u4e86\u9519\u8bef\u3002\u8ba9\u6211\u4eec\u518d\u6b21\u6253\u5f00divided.js\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u5904\u7406\u6b65\u9aa4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/** \u4e0e\u3048\u3089\u308c\u305f\u5024\u30922 \u3067\u5272\u3063\u3066\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u305f\u7d50\u679c\u3092\u8fd4\u3059\u95a2\u6570 *\/<\/span>\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">\/<\/span> <span class=\"mi\">2<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5c06\u6267\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ nodeunite test\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0f3537434c4406bee4e3\/29-0.png\" alt=\"NodeUnite_Intro_0001.png\" \/><\/div>\n<p>\u6211\u5df2\u7ecf\u6210\u529f\u901a\u8fc7\u4e86\u6d4b\u8bd5\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u6dfb\u52a0\u4e00\u4e2a\u6d4b\u8bd5\u6765\u68c0\u67e5\u5728\u8ba1\u7b97\u7ed3\u679c\u4e0d\u80fd\u6574\u9664\u7684\u60c5\u51b5\u4e0b\u662f\u5426\u53ef\u4ee5\u820d\u53bb\u5c0f\u6570\u4f4d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">divided<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">..\/lib\/divided<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">calculate<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">),<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c nodeunit \u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">$<\/span> <span class=\"nx\">nodeunit<\/span> <span class=\"nx\">test<\/span>\r\n\r\n<span class=\"nx\">test<\/span><span class=\"o\">-<\/span><span class=\"nx\">divided<\/span>\r\n<span class=\"err\">\u2716<\/span> <span class=\"nx\">calculate<\/span>\r\n\r\n<span class=\"nx\">AssertionError<\/span><span class=\"p\">:<\/span> <span class=\"mf\">1.5<\/span> <span class=\"o\">==<\/span> <span class=\"mi\">1<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nb\">Object<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span> <span class=\"p\">(<\/span><span class=\"sr\">\/usr\/<\/span><span class=\"nx\">local<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">node_modules<\/span><span class=\"o\">\/<\/span><span class=\"nx\">nodeunit<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">types<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">83<\/span><span class=\"p\">:<\/span><span class=\"mi\">39<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nb\">Object<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"p\">(<\/span><span class=\"sr\">\/opt\/<\/span><span class=\"nx\">nodeprj<\/span><span class=\"o\">\/<\/span><span class=\"nx\">test<\/span><span class=\"o\">\/<\/span><span class=\"nx\">test<\/span><span class=\"o\">-<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">5<\/span><span class=\"p\">:<\/span><span class=\"mi\">10<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">......<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nx\">_concat<\/span> <span class=\"p\">(<\/span><span class=\"sr\">\/usr\/<\/span><span class=\"nx\">local<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">node_modules<\/span><span class=\"o\">\/<\/span><span class=\"nx\">nodeunit<\/span><span class=\"o\">\/<\/span><span class=\"nx\">deps<\/span><span class=\"o\">\/<\/span><span class=\"k\">async<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">512<\/span><span class=\"p\">:<\/span><span class=\"mi\">9<\/span><span class=\"p\">)<\/span>\r\n\r\n\r\n<span class=\"nx\">FAILURES<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span> <span class=\"nx\">assertions<\/span> <span class=\"nx\">failed<\/span> <span class=\"p\">(<\/span><span class=\"mi\">7<\/span><span class=\"nx\">ms<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6839\u636e\u4ee5\u4e0a\u60c5\u51b5\uff0c\u9884\u671f\u4f1a\u8fd4\u56de1\uff0c\u4f46\u5b9e\u9645\u8fd4\u56de\u4e861.5\uff0c\u56e0\u6b64\u51fa\u73b0\u4e86\u9519\u8bef\u3002<br \/>\n\u6839\u636e\u4ee5\u4e0a\u7ed3\u679c\u4f5c\u4e3a\u53c2\u8003\uff0c\u5c06\u5728\u7a0b\u5e8f\u4e2d\u6dfb\u52a0\u622a\u65ad\u5c0f\u6570\u70b9\u540e\u4f4d\u6570\u7684\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/** \u4e0e\u3048\u3089\u308c\u305f\u5024\u30922 \u3067\u5272\u3063\u3066\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u305f\u7d50\u679c\u3092\u8fd4\u3059\u95a2\u6570 *\/<\/span>\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nb\">Math<\/span><span class=\"p\">.<\/span><span class=\"nx\">floor<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span> <span class=\"o\">\/<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884cnodeunit\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">~<\/span><span class=\"nx\">nodeprj$<\/span> <span class=\"nx\">nodeunit<\/span> <span class=\"nx\">test<\/span>\r\n\r\n<span class=\"nx\">test<\/span><span class=\"o\">-<\/span><span class=\"nx\">divided<\/span>\r\n<span class=\"err\">\u2714<\/span> <span class=\"nx\">calculate<\/span>\r\n\r\n<span class=\"nx\">OK<\/span><span class=\"p\">:<\/span> <span class=\"mi\">2<\/span> <span class=\"nx\">assertions<\/span> <span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"nx\">ms<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u5b9e\u73b0\uff0c\u5c0f\u6570\u70b9\u540e\u9762\u7684\u90e8\u5206\u88ab\u820d\u53bb\u7684\u5904\u7406\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002<\/p>\n<h2>\u521b\u5efa\u7528\u4e8e\u786e\u5b9a\u5f02\u5e38\u7684\u6d4b\u8bd5\uff08\u5f53\u4f20\u9012\u975e\u6570\u5b57\u65f6\u629b\u51fa\u5f02\u5e38\u7684\u5904\u7406\u6d4b\u8bd5\/\u5b9e\u73b0\uff09\u3002<\/h2>\n<p>\u5f53\u4f20\u9012\u7ed9\u65b9\u6cd5\u53c2\u6570\u7684\u503c\u4e0d\u662f\u6570\u5b57\u65f6\uff0c\u8fdb\u884c\u629b\u51fa\u5f02\u5e38\u7684\u6d4b\u8bd5\/\u5b9e\u73b0\u5904\u7406\u3002<br \/>\n\u5982\u679c\u8981\u8fdb\u884c\u5f02\u5e38\u629b\u51fa\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a\u629b\u51fa\u5f02\u5e38\u7684\u65b9\u6cd5\u4f5c\u4e3a test.throws \u65b9\u6cd5\u7684\u53c2\u6570\u6765\u6267\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">divided<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">..\/lib\/divided<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">calculate<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">),<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">();<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">abc<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">([]);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nx\">$<\/span> <span class=\"nx\">nodeunit<\/span> <span class=\"nx\">test<\/span>\r\n\r\n<span class=\"nx\">test<\/span><span class=\"o\">-<\/span><span class=\"nx\">divided<\/span>\r\n<span class=\"err\">\u2716<\/span> <span class=\"nx\">calculate<\/span>\r\n\r\n<span class=\"nx\">AssertionError<\/span><span class=\"p\">:<\/span> <span class=\"kc\">undefined<\/span>  <span class=\"dl\">\"<\/span><span class=\"s2\">Missing expected exception..<\/span><span class=\"dl\">\"<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nx\">_throws<\/span> <span class=\"p\">(<\/span><span class=\"sr\">\/usr\/<\/span><span class=\"nx\">local<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">node_modules<\/span><span class=\"o\">\/<\/span><span class=\"nx\">nodeunit<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">329<\/span><span class=\"p\">:<\/span><span class=\"mi\">5<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span> <span class=\"p\">(<\/span><span class=\"sr\">\/usr\/<\/span><span class=\"nx\">local<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">node_modules<\/span><span class=\"o\">\/<\/span><span class=\"nx\">nodeunit<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">346<\/span><span class=\"p\">:<\/span><span class=\"mi\">11<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">...<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nx\">iterate<\/span> <span class=\"p\">(<\/span><span class=\"sr\">\/usr\/<\/span><span class=\"nx\">local<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">node_modules<\/span><span class=\"o\">\/<\/span><span class=\"nx\">nodeunit<\/span><span class=\"o\">\/<\/span><span class=\"nx\">deps<\/span><span class=\"o\">\/<\/span><span class=\"k\">async<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">123<\/span><span class=\"p\">:<\/span><span class=\"mi\">13<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"nx\">AssertionError<\/span><span class=\"p\">:<\/span> <span class=\"kc\">undefined<\/span>  <span class=\"dl\">\"<\/span><span class=\"s2\">Missing expected exception..<\/span><span class=\"dl\">\"<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nx\">_throws<\/span> <span class=\"p\">(<\/span><span class=\"sr\">\/usr\/<\/span><span class=\"nx\">local<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">node_modules<\/span><span class=\"o\">\/<\/span><span class=\"nx\">nodeunit<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">329<\/span><span class=\"p\">:<\/span><span class=\"mi\">5<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">at<\/span> <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span> <span class=\"p\">(<\/span><span class=\"sr\">\/usr\/<\/span><span class=\"nx\">local<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">node_modules<\/span><span class=\"o\">\/<\/span><span class=\"nx\">nodeunit<\/span><span class=\"o\">\/<\/span><span class=\"nx\">lib<\/span><span class=\"o\">\/<\/span><span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nx\">js<\/span><span class=\"p\">:<\/span><span class=\"mi\">346<\/span><span class=\"p\">:<\/span><span class=\"mi\">11<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">...<\/span>\r\n\r\n<span class=\"nx\">FAILURES<\/span><span class=\"p\">:<\/span> <span class=\"mi\">4<\/span><span class=\"o\">\/<\/span><span class=\"mi\">6<\/span> <span class=\"nx\">assertions<\/span> <span class=\"nx\">failed<\/span> <span class=\"p\">(<\/span><span class=\"mi\">26<\/span><span class=\"nx\">ms<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u672a\u5f15\u53d1\u6307\u5b9a\u7684\u5f02\u5e38\uff0c\u6d4b\u8bd5\u5931\u8d25\u3002<br \/>\n\u5728lib\/divided.js\u4e2d\u6dfb\u52a0\u5f15\u53d1\u5f02\u5e38\u7684\u5904\u7406\uff0c\u4ee5\u5904\u7406\u9664\u6570\u975e\u6570\u5b57\u503c\u7684\u60c5\u51b5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/** \u4e0e\u3048\u3089\u308c\u305f\u5024\u30922 \u3067\u5272\u3063\u3066\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u305f\u7d50\u679c\u3092\u8fd4\u3059\u95a2\u6570 *\/<\/span>\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"k\">typeof<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">!==<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">number<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Error<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Type of numeric is expected.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nb\">Math<\/span><span class=\"p\">.<\/span><span class=\"nx\">floor<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span> <span class=\"o\">\/<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u6dfb\u52a0\u4e86\u5f15\u53d1\u5f02\u5e38\u7684\u5904\u7406\u540e\uff0c\u6267\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">$<\/span> <span class=\"nx\">nodeunit<\/span> <span class=\"nx\">test<\/span>\r\n\r\n<span class=\"nx\">test<\/span><span class=\"o\">-<\/span><span class=\"nx\">divided<\/span>\r\n<span class=\"err\">\u2714<\/span> <span class=\"nx\">calculate<\/span>\r\n\r\n<span class=\"nx\">OK<\/span><span class=\"p\">:<\/span> <span class=\"mi\">6<\/span> <span class=\"nx\">assertions<\/span> <span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"nx\">ms<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6210\u529f\u4e86\u3002<\/p>\n<h2>\u8fdb\u884c\u5f02\u6b65\u5904\u7406\u7684\u6d4b\u8bd5\uff08\u4ece\u6807\u51c6\u8f93\u5165\u63a5\u6536\u503c\u5e76\u5c06\u5176\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u7684\u5904\u7406\u7684\u6d4b\u8bd5\/\u5b9e\u73b0\uff09<\/h2>\n<p>\u6211\u5011\u5c07\u6e2c\u8a66\u4e00\u500b\u5f9e\u6a19\u6e96\u8f38\u5165\u975e\u540c\u6b65\u8b80\u53d6\u503c\u7684\u7a0b\u5f0f\u3002<br \/>\n\u9019\u6b21\u6211\u5011\u8981\u65b0\u589e\u4e00\u500b\u6e2c\u8a66\u6848\u4f8b\uff0c\u8a66\u8457\u5f9e\u6a19\u6e96\u8f38\u5165\u63a5\u6536\u503c\u4e26\u5c07\u8a08\u7b97\u7d50\u679c\u8f38\u51fa\u5230\u63a7\u5236\u53f0\u7684\u7a0b\u5f0f\u3002<br \/>\n\u9996\u5148\uff0c\u8b93\u6211\u5011\u50cf\u4e4b\u524d\u4e00\u6a23\u65b0\u589e\u4e00\u500b\u6e2c\u8a66\u6848\u4f8b&#8221;read a number&#8221;\u3002<br \/>\n\u6211\u5011\u5047\u8a2d\u9019\u500b\u8655\u7406\u662f\u5f9e\u6a19\u6e96\u8f38\u5165\u50b3\u5165\u6578\u5b57\u3001\u8a08\u7b97\u4e26\u5c07\u7d50\u679c\u4f7f\u7528console.log\u8f38\u51fa\u5230\u6a19\u6e96\u8f38\u51fa\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">divided<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">..\/lib\/divided<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">events<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">events<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">calculate<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">),<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">();<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">abc<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">([]);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">read a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">ev<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">events<\/span><span class=\"p\">.<\/span><span class=\"nx\">EventEmitter<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"nx\">ev<\/span><span class=\"p\">;<\/span> <span class=\"p\">};<\/span>\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_console_log<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">_console_log<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">result: 4<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n\r\n    <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">read<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">ev<\/span><span class=\"p\">.<\/span><span class=\"nx\">emit<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">data<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">8<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u7684\u793a\u4f8b\u4ee3\u7801\u901a\u8fc7\u4f7f\u7528EventEmitter\u6765\u89e6\u53d1data\u4e8b\u4ef6\uff0c\u4ee5\u6a21\u62df\u6807\u51c6\u8f93\u5165\u3002divided\u53d8\u91cf\u5047\u8bbe\u5728\u540e\u9762\u7684\u5185\u5bb9\u4e2d\u88ab\u8d4b\u4e88\u4e86\u4e00\u4e2a\u4ece\u6807\u51c6\u8f93\u5165\u83b7\u5f97\u7684\u6570\u5b578\u5e76\u5c06\u5176\u9664\u4ee52\uff0c\u6700\u7ec8\u5c06\u7ed3\u679c&#8221;result: 4&#8243;\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u3002<\/p>\n<p>\u56e0\u4e3a\u8981\u5c06\u8f93\u51fa\u53d1\u9001\u5230\u6807\u51c6\u8f93\u51fa\u4e2d\uff0c\u6240\u4ee5\u6211\u4eec\u4f7f\u7528console.log\u8fdb\u884c\u8f93\u51fa\u3002\u6211\u4eec\u901a\u8fc7\u7528stub\u65b9\u6cd5\u8986\u76d6console.log\u65b9\u6cd5\uff0c\u5e76\u5728stub\u5185\u90e8\u65ad\u8a00console.log\u7684\u53c2\u6570\u662f\u5426\u4e0e\u9884\u671f\u503c\u76f8\u7b26\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u6211\u4eec\u4f7f\u7528stub\u6765\u91cd\u5199\u4e86console.log\u7684\u8f93\u51fa\uff0c\u6240\u4ee5\u5728\u8fdb\u884c\u6d4b\u8bd5\u540e\uff0c\u6211\u4eec\u9700\u8981\u5c06console.log\u6062\u590d\u5230\u539f\u59cb\u72b6\u6001\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5148\u5c06console.log\u65b9\u6cd5\u7684\u5f15\u7528\u5b58\u50a8\u5728&#8221;_console_log&#8221;\u53d8\u91cf\u4e2d\uff0c\u5e76\u5728stub\u5185\u90e8\u5c06\u5176\u6062\u590d\u539f\u59cb\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>    var _console_log = console.log;\r\n    console.log = function(str) {\r\n        console.log = _console_log;\r\n        ...\r\n<\/code><\/pre>\n<p>\u90a3\u4e48\u8ba9\u6211\u4eec\u6267\u884c\u4e00\u4e0b\u6d4b\u8bd5\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code>~nodeprj$ nodeunit test\r\n\r\ntest-divided\r\n\u2714 calculate\r\nTypeError: Object #&lt;Object&gt; has no method 'read'\r\n    at Object.exports.read a number (\/path\/to\/nodeprj\/test\/test-divided.js:25:13)\r\n    at Object.&lt;anonymous&gt; (\/usr\/local\/lib\/node_modules\/nodeunit\/lib\/core.js:236:16)\r\n    at \/usr\/local\/lib\/node_modules\/nodeunit\/lib\/core.js:236:16\r\n    ......\r\n<\/code><\/pre>\n<p>\u7531\u4e8elib\/divided.js\u6ca1\u6709\u5b9a\u4e49read\u65b9\u6cd5\uff0c\u6d4b\u8bd5\u5931\u8d25\u4e86\u3002<br \/>\n\u8ba9\u6211\u4eec\u5728lib\/divided.js\u4e2d\u6dfb\u52a0read\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/** \u4e0e\u3048\u3089\u308c\u305f\u5024\u30922 \u3067\u5272\u3063\u3066\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u305f\u7d50\u679c\u3092\u8fd4\u3059\u95a2\u6570 *\/<\/span>\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"k\">typeof<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">!==<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">number<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Error<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Type of numeric is expected.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nb\">Math<\/span><span class=\"p\">.<\/span><span class=\"nx\">floor<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span> <span class=\"o\">\/<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"cm\">\/** \u6a19\u6e96\u5165\u529b\u304b\u3089\u5024\u3092\u53d7\u3051\u53d6\u308a\u3001\u8a08\u7b97\u7d50\u679c\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9 *\/<\/span>\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">read<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">stdin<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">stdin<\/span><span class=\"p\">.<\/span><span class=\"nx\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">data<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">chunk<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"kd\">var<\/span> <span class=\"nx\">param<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">parseFloat<\/span><span class=\"p\">(<\/span><span class=\"nx\">chunk<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"kd\">var<\/span> <span class=\"nx\">result<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"nx\">param<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">result: <\/span><span class=\"dl\">'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">result<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"p\">});<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5c06\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">$<\/span> <span class=\"nx\">nodeunit<\/span> <span class=\"nx\">test<\/span>\r\n\r\n<span class=\"nx\">test<\/span><span class=\"o\">-<\/span><span class=\"nx\">divided<\/span>\r\n<span class=\"err\">\u2714<\/span> <span class=\"nx\">calculate<\/span>\r\n<span class=\"err\">\u2714<\/span> <span class=\"nx\">read<\/span> <span class=\"nx\">a<\/span> <span class=\"nx\">number<\/span>\r\n\r\n<span class=\"nx\">OK<\/span><span class=\"p\">:<\/span> <span class=\"mi\">7<\/span> <span class=\"nx\">assertions<\/span> <span class=\"p\">(<\/span><span class=\"mi\">6<\/span><span class=\"nx\">ms<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u6210\u529f\u5730\u901a\u8fc7\u4e86\u8003\u8bd5\u3002<\/p>\n<p>\u7136\u800c\uff0c\u8fd9\u6b21\u6d4b\u8bd5\u5e76\u4e0d\u5b8c\u5584\u3002\u8fd9\u6b21\u521a\u597d\u6267\u884c\u4e86\u6240\u67097\u4e2a\u65ad\u8a00\uff08\u5176\u4e2d\u67096\u4e2a\u662f\u201ccalculate\u201d\uff0c1\u4e2a\u662f\u201cread a number\u201d\uff09\uff0c\u5e76\u4e14\u7ed3\u679c\u662fOK\u3002\u4f46\u662f\uff0c\u201cread a number\u201d\u8fd9\u4e2a\u6d4b\u8bd5\u662f\u4ee5\u5f02\u6b65\u65b9\u5f0f\u6267\u884c\u7684\uff0c\u56e0\u6b64\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u53ea\u6267\u884c\u4e866\u4e2a\u6d4b\u8bd5\u5c31\u7ed3\u675f\u4e86\uff08\u5728\u672c\u6b21\u6267\u884c\u73af\u5883\u4e2d\u65e0\u6cd5\u590d\u73b0\uff09\u3002\u800c\u4e14\uff0c\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\u6d4b\u8bd5\u7ed3\u679c\u4e5f\u4f1a\u53d8\u6210OK\u3002\u5982\u679c\u9047\u5230\u6ca1\u6709\u4ee5\u5f02\u6b65\u65b9\u5f0f\u6267\u884c\u7684\u6d4b\u8bd5\u7528\u4f8b\u5931\u8d25\uff0c\u5c31\u6709\u53ef\u80fd\u65e0\u6cd5\u5728\u6d4b\u8bd5\u4e2d\u53d1\u73b0\u6545\u969c\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528test.expect\u65b9\u6cd5\uff0c\u5728\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u9884\u5148\u901a\u77e5&#8221;read a number \u6d4b\u8bd5\u7528\u4f8b\u6709\u4e00\u4e2a\u65ad\u8a00\uff01&#8221;\u3002\u8981\u901a\u77e5\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u6709\u591a\u5c11\u4e2a\u65ad\u8a00\uff0c\u53ef\u4ee5\u4f7f\u7528expect\u65b9\u6cd5\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u6765\u5b9e\u9645\u4fee\u6539\u6d4b\u8bd5\u7a0b\u5e8f\u3002<br \/>\n\u4e0b\u9762\u7684\u6d4b\u8bd5\u7a0b\u5e8f\u5728\u6d4b\u8bd5\u7528\u4f8b\u5f00\u5934\u4f7f\u7528test.expect\u65b9\u6cd5\u9884\u5148\u58f0\u660e\u6709\u4e00\u4e2a\u65ad\u8a00\uff0c\u5e76\u4e14\u53ef\u4ee5\u544a\u77e5nodeunit\u5f53\u524d\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u6709\u591a\u5c11\u4e2a\u65ad\u8a00\u3002<\/p>\n<pre class=\"post-pre\"><code>var divided = require('..\/lib\/divided');\r\nvar events = require('events');\r\n\r\nexports['calculate'] = function(test) {\r\n    test.equal(divided.calculate(4), 2);\r\n    test.equal(divided.calculate(3), 1);\r\n    test.throws(function() { divided.calculate(); });\r\n    test.throws(function() { divided.calculate(null); });\r\n    test.throws(function() { divided.calculate(\"abc\"); });\r\n    test.throws(function() { divided.calculate([]); });\r\n    test.done();\r\n};\r\n\r\nexports['read a number'] = function(test) {\r\n    test.expect(1);\r\n    var ev = new events.EventEmitter();\r\n\r\n    process.openStdin = function() { return ev; };\r\n    process.exit = test.done;\r\n    var _console_log = console.log;\r\n    console.log = function(str) {\r\n        console.log = _console_log;\r\n        test.equal(str, 'result: 4');\r\n    };\r\n\r\n    divided.read();\r\n    ev.emit('data', '8');\r\n};\r\n\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u8fd0\u884c nodeunit \u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ nodeunit test\r\n\r\ntest-divided\r\n\u2714 calculate\r\n\u2714 read a number\r\n\r\nOK: 7 assertions (19ms)\r\n<\/code><\/pre>\n<p>\u5982\u679c\u663e\u793a\u4e3a\u201cOK: 7 assertions\u201d\uff0c\u90a3\u4e48\u53ef\u4ee5\u786e\u8ba4\u5df2\u7ecf\u6210\u529f\u6267\u884c\u4e867\u4e2a\u65ad\u8a00\uff0c\u5e76\u4e14\u4e00\u5207\u6b63\u5e38\u3002<\/p>\n<h3>\u5982\u679cassertion\u7684\u6570\u91cf\u5c11\u4e8etest.expect\u6307\u5b9a\u7684\u6570\u91cf<\/h3>\n<p>\u8ba9\u6211\u4eec\u5047\u8bbe\u4f7f\u7528test.expect\u65b9\u6cd5\u6765\u901a\u77e5\u8fd9\u4e2a\u6d4b\u8bd5\u6848\u4f8b\u6709\u4e00\u4e2a\u65ad\u8a00\uff0c\u4f46\u5047\u5982\u4f7f\u7528test.expect\u6307\u5b9a\u7684\u6570\u91cf\u4e0e\u5b9e\u9645\u65ad\u8a00\u6570\u91cf\u4e0d\u540c\uff0c\u6211\u4eec\u6765\u6a21\u62df\u786e\u8ba4\u4e00\u4e0b\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06\u4e0a\u8ff0\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u7684test.expect\u548ctest.equal\u6ce8\u91ca\u6389\uff0c\u5e76\u6267\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code>var divided = require('..\/lib\/divided');\r\nvar events = require('events');\r\n\r\nexports['calculate'] = function(test) {\r\n    test.equal(divided.calculate(4), 2);\r\n    test.equal(divided.calculate(3), 1);\r\n    test.throws(function() { divided.calculate(); });\r\n    test.throws(function() { divided.calculate(null); });\r\n    test.throws(function() { divided.calculate(\"abc\"); });\r\n    test.throws(function() { divided.calculate([]); });\r\n    test.done();\r\n};\r\n\r\nexports['read a number'] = function(test) {\r\n    \/\/ test.expect(1);\r\n    var ev = new events.EventEmitter();\r\n\r\n    process.openStdin = function() { return ev; };\r\n    process.exit = test.done;\r\n    var _console_log = console.log;\r\n    console.log = function(str) {\r\n        console.log = _console_log;\r\n        \/\/ test.equal(str, 'result: 4');\r\n    };\r\n\r\n    divided.read();\r\n    ev.emit('data', '8');\r\n};\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ nodeunit test\r\n\r\ntest-divided\r\n\u2714 calculate\r\n\u2714 read a number\r\n\r\nOK: 6 assertions (21ms)\r\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u6267\u884c\u4e86calculate\u548cread a number\u7684\u6d4b\u8bd5\u7528\u4f8b\uff0c\u603b\u5171\u6267\u884c\u4e866\u4e2a\u65ad\u8a00\uff0c\u5e76\u4e14\u6d4b\u8bd5\u7ed3\u679c\u8fd4\u56de\u4e86OK\u3002\u7136\u800c\uff0c\u5b9e\u9645\u4e0a\u8fd9\u4e2a\u6d4b\u8bd5\u4e2d\u7684read a number\u6d4b\u8bd5\u7528\u4f8b\u6ca1\u6709\u5305\u542b\u4efb\u4f55\u65ad\u8a00\uff0c\u4f46\u6d4b\u8bd5\u5374\u901a\u8fc7\u4e86\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u7ee7\u7eed\u4fdd\u7559text.expect\u7684\u6ce8\u91ca\uff0c\u5e76\u53d6\u6d88test.equal\u7684\u6ce8\u91ca\u6765\u8fd0\u884c\u6d4b\u8bd5\uff0c\u770b\u770b\u4f1a\u53d1\u751f\u4ec0\u4e48\u6837\u7684\u884c\u4e3a\u3002<\/p>\n<pre class=\"post-pre\"><code>......\r\nexports['read a number'] = function(test) {\r\n    \/\/ test.expect(1);\r\n    var ev = new events.EventEmitter();\r\n    ......\r\n    console.log = function(str) {\r\n        console.log = _console_log;\r\n        test.equal(str, 'result: 4');    \/\/ &lt;-- \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3092\u89e3\u9664\r\n    };\r\n    ......\r\n};\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ nodeunit test\r\n\r\ntest-divided\r\n\u2714 calculate\r\n\u2714 read a number\r\n\r\nOK: 7 assertions (6ms)\r\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u6267\u884c\u4e867\u4e2a\u65ad\u8a00\u5e76\u4e14\u7ed3\u679c\u4e3aOK\u3002<br \/>\n\u65e0\u8bbatest.equal\u7684\u65ad\u8a00\u662f\u5426\u6267\u884c\uff0c\u8fd9\u4e0e\u6d4b\u8bd5\u662f\u5426\u901a\u8fc7\u65e0\u5173\uff0c\u5373\u4f7f\u8be5\u9879\u7531\u4e8e\u5f02\u6b65\u5904\u7406\u672a\u88ab\u6267\u884c\uff0c\u8868\u9762\u4e0a\u770b\u6d4b\u8bd5\u4e5f\u4ecd\u7136\u662f\u901a\u8fc7\u7684\uff0c\u8fd9\u5e26\u6765\u4e86\u98ce\u9669\u3002<br \/>\n\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u98ce\u9669\uff0c\u6211\u4eec\u4f7f\u7528test.expect\uff0c\u5728\u9884\u671f\u7684\u65ad\u8a00\u6570\u91cf\u672a\u6267\u884c\u65f6\u5c06\u5176\u6807\u8bb0\u4e3aNG\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u53d6\u6d88 test.expect(1); \u7684\u6ce8\u91ca\u6765\u786e\u8ba4\u5b83\uff0c\u7136\u540e\u5c06 test.equals \u7684\u90e8\u5206\u6ce8\u91ca\u6389\u5e76\u8fd0\u884c\u6d4b\u8bd5\u7528\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code>......\r\nexports['read a number'] = function(test) {\r\n    test.expect(1);          \/\/ &lt;-- \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3092\u89e3\u9664\r\n    var ev = new events.EventEmitter();\r\n    ......\r\n    console.log = function(str) {\r\n        console.log = _console_log;\r\n        \/\/ test.equal(str, 'result: 4');    \/\/ &lt;-- \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\r\n    };\r\n    ......\r\n};\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ nodeunit test\r\n\r\ntest-divided\r\n\u2714 calculate\r\n\u2716 read a number\r\n\r\nError: Expected 1 assertions, 0 ran\r\n    at process.test.done [as exit] (\/usr\/local\/lib\/node_modules\/nodeunit\/lib\/types.js:121:25)\r\n    at EventEmitter.&lt;anonymous&gt; (\/opt\/nodeprj\/lib\/divided.js:16:17)\r\n    ......\r\n\r\nFAILURES: 1\/7 assertions failed (8ms)\r\n\u2716 read a number\r\n......\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c3d\u7ba1\u9884\u671f\u4f1a\u6267\u884c1\u4e2a\u65ad\u8a00\uff0c\u5374\u4f1a\u51fa\u73b0\u6267\u884c0\u4e2a\u65ad\u8a00\u7684\u9519\u8bef\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5373\u4f7f\u7531\u4e8e\u5f02\u6b65\u5904\u7406\u53d6\u6d88\u4e86\u65ad\u8a00\u7684\u6267\u884c\uff0c\u4e5f\u80fd\u5c06\u6d4b\u8bd5\u7528\u4f8b\u68c0\u6d4b\u4e3aNG\u3002<\/p>\n<h2>\u5173\u4e8e\u5728\u591a\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u5171\u4eab\u7684\u53d8\u91cf<\/h2>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u60f3\u8981\u8bf4\u660e\u4e00\u4e2a\u5173\u4e8e\u6dfb\u52a0\u591a\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u65f6\u9700\u8981\u6ce8\u610f\u7684\u5171\u4eab\u6570\u636e\u95ee\u9898\u3002<br \/>\n\u5982\u679c\u5728\u521b\u5efa\u6d4b\u8bd5\u7528\u4f8b\u65f6\u6ca1\u6709\u610f\u8bc6\u5230\u591a\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u4e4b\u95f4\u7684\u5171\u4eab\u6570\u636e\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u7684\u884c\u4e3a\u3002<br \/>\n\u4e3a\u4e86\u786e\u8ba4\u8fd9\u4e00\u70b9\uff0c\u6211\u60f3\u8981\u6dfb\u52a0\u4e00\u4e2a\u8fd9\u6837\u7684\u793a\u4f8b\uff0c\u5373\u5f53\u5f02\u6b65\u65b9\u6cd5\u4ece\u6807\u51c6\u8f93\u5165\u63a5\u6536\u5230\u975e\u6570\u5b57\u503c\u65f6\u629b\u51fa\u5f02\u5e38\u7684\u60c5\u51b5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">divided<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">..\/lib\/divided<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">events<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">events<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">calculate<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">),<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">();<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">abc<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">([]);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">read a value other than a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">expect<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">ev<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">events<\/span><span class=\"p\">.<\/span><span class=\"nx\">EventEmitter<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"nx\">ev<\/span><span class=\"p\">;<\/span> <span class=\"p\">};<\/span>\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Error<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Expected a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_console_log<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">_console_log<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Error: Expected a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n    <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">read<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">ev<\/span><span class=\"p\">.<\/span><span class=\"nx\">emit<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">data<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">asdf<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">read a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">expect<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">ev<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">events<\/span><span class=\"p\">.<\/span><span class=\"nx\">EventEmitter<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"nx\">ev<\/span><span class=\"p\">;<\/span> <span class=\"p\">};<\/span>\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_console_log<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">_console_log<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">result: 4<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n\r\n    <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">read<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">ev<\/span><span class=\"p\">.<\/span><span class=\"nx\">emit<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">data<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">8<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5011\u9700\u8981\u5728\u6e2c\u8a66\u76ee\u6a19\u7a0b\u5f0f\u4e2d\u6dfb\u52a0\u62cb\u51fa\u7570\u5e38\u7684\u8655\u7406\uff0c\u7136\u5f8c\u57f7\u884c\u6e2c\u8a66\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/** \u4e0e\u3048\u3089\u308c\u305f\u5024\u30922 \u3067\u5272\u3063\u3066\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u305f\u7d50\u679c\u3092\u8fd4\u3059\u95a2\u6570 *\/<\/span>\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"k\">typeof<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">!==<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">number<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Error<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Type of numeric is expected.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nb\">Math<\/span><span class=\"p\">.<\/span><span class=\"nx\">floor<\/span><span class=\"p\">(<\/span><span class=\"nx\">num<\/span> <span class=\"o\">\/<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"cm\">\/** \u6a19\u6e96\u5165\u529b\u304b\u3089\u5024\u3092\u53d7\u3051\u53d6\u308a\u3001\u8a08\u7b97\u7d50\u679c\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9 *\/<\/span>\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">read<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">stdin<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"nx\">stdin<\/span><span class=\"p\">.<\/span><span class=\"nx\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">data<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">chunk<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"kd\">var<\/span> <span class=\"nx\">param<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">parseFloat<\/span><span class=\"p\">(<\/span><span class=\"nx\">chunk<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"k\">try<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"kd\">var<\/span> <span class=\"nx\">result<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"nx\">param<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">result: <\/span><span class=\"dl\">'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">result<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"p\">});<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ nodeunit test\r\n\r\ntest-divided\r\n\u2714 calculate\r\n\u2714 read a value other than a number\r\n\u2716 read a number\r\n\r\nAssertionError: [Error: Expected a number] == 'result: 4'\r\n    at Object.equal (\/usr\/local\/lib\/node_modules\/nodeunit\/lib\/types.js:83:39)\r\n    at Console.console.log (\/opt\/nodeprj\/test\/test-divided.js:41:14)\r\n    at EventEmitter.&lt;anonymous&gt; (\/opt\/nodeprj\/lib\/divided.js:19:21)\r\n    ...\r\n\r\n\r\nFAILURES: 1\/8 assertions failed (9ms)\r\n\u2716 read a number\r\n...\r\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u8ba1\u7b97\u673a\u5bf9\u4e8e\u9664\u6570\u5b57\u4ee5\u5916\u7684\u503c\u7684\u6d4b\u8bd5\u7528\u4f8b\u662f\u6210\u529f\u7684\uff0c\u4f46\u662f\u5bf9\u4e8e\u6570\u5b57\u7684\u6d4b\u8bd5\u7528\u4f8b\u5374\u5931\u8d25\u4e86\u3002<br \/>\n\u5931\u8d25\u7684\u539f\u56e0\u662f\u56e0\u4e3a\u5728\u4f7f\u7528EventEmitter\u5c06\u6570\u5b57\u4f20\u9012\u7ed9\u6807\u51c6\u8f93\u5165\u65f6\uff0c\u629b\u51fa\u4e86\u4e00\u4e2a[Error: Expected a number]\u7684\u5f02\u5e38\u3002<\/p>\n<p>\u6d4b\u8bd5\u7528\u4f8b&#8221;read a number&#8221;\u662f\u4e4b\u524d\u6210\u529f\u7684\u6d4b\u8bd5\u7528\u4f8b\uff0c\u4f46\u662f\u73b0\u5728\u901a\u8fc7\u5728&#8221;read a number&#8221;\u4e4b\u524d\u6dfb\u52a0\u65b0\u7684\u6d4b\u8bd5\u7528\u4f8b&#8221;read a value other than a number&#8221;\uff0c\u8fd9\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u53d8\u5f97\u5931\u8d25\u4e86\u3002<br \/>\n\u5931\u8d25\u7684\u539f\u56e0\u662f\u56e0\u4e3a\u5728&#8221;read a value other than a number&#8221;\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u6709\u90e8\u5206\u5b58\u6839\u8bbe\u7f6e\uff0c\u800c\u8fd9\u4e2a\u5b58\u6839\u8bbe\u7f6e\u4f1a\u5728&#8221;read a number&#8221;\u6d4b\u8bd5\u7528\u4f8b\u6267\u884c\u65f6\u4fdd\u6301\u4e0d\u53d8\u3002<br \/>\n\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u9700\u8981\u5728\u6bcf\u4e2a\u5f02\u6b65\u6d4b\u8bd5\u7528\u4f8b\u6267\u884c\u4e4b\u540e\uff0c\u5728\u8c03\u7528process.exit\u65f6\u6267\u884c\u5c06\u5b58\u6839\u6062\u590d\u5230\u539f\u59cb\u72b6\u6001\u7684\u64cd\u4f5c\uff0c\u4ee5\u786e\u4fdd\u6062\u590d\u8bbe\u7f6e\u7684\u53d8\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">divided<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">..\/lib\/divided<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">events<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">events<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">calculate<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">),<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">();<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">abc<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">throws<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">([]);<\/span> <span class=\"p\">});<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">read a value other than a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">expect<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">ev<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">events<\/span><span class=\"p\">.<\/span><span class=\"nx\">EventEmitter<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_process_openStdin<\/span>  <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span>       <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"nx\">ev<\/span><span class=\"p\">;<\/span> <span class=\"p\">};<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_process_exit<\/span>       <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c1\">\/\/ \u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u7d42\u4e86\u6642\u306bstub \u3092\u5143\u306b\u623b\u3059<\/span>\r\n        <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span>   <span class=\"o\">=<\/span> <span class=\"nx\">_process_openStdin<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span>        <span class=\"o\">=<\/span> <span class=\"nx\">_process_exit<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span>   <span class=\"o\">=<\/span> <span class=\"nx\">_divided_calculate<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span>         <span class=\"o\">=<\/span> <span class=\"nx\">_console_log<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"p\">};<\/span>\r\n\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_divided_calculate<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">calculate<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Error<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Expected a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_console_log<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Error: Expected a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n\r\n    <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">read<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">ev<\/span><span class=\"p\">.<\/span><span class=\"nx\">emit<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">data<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">asdf<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">read a number<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">test<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">expect<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">ev<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">events<\/span><span class=\"p\">.<\/span><span class=\"nx\">EventEmitter<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_process_openStdin<\/span>  <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span>       <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"nx\">ev<\/span><span class=\"p\">;<\/span> <span class=\"p\">};<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_process_exit<\/span>       <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c1\">\/\/ \u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u7d42\u4e86\u6642\u306bstub \u3092\u5143\u306b\u623b\u3059<\/span>\r\n        <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">openStdin<\/span>   <span class=\"o\">=<\/span> <span class=\"nx\">_process_openStdin<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">exit<\/span>        <span class=\"o\">=<\/span> <span class=\"nx\">_process_exit<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span>         <span class=\"o\">=<\/span> <span class=\"nx\">_console_log<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">done<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">_console_log<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span> <span class=\"o\">=<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">test<\/span><span class=\"p\">.<\/span><span class=\"nx\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">str<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">result: 4<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n\r\n    <span class=\"nx\">divided<\/span><span class=\"p\">.<\/span><span class=\"nx\">read<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">ev<\/span><span class=\"p\">.<\/span><span class=\"nx\">emit<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">data<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">8<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u4f60\u4fee\u6539\u4e86\u6d4b\u8bd5\u7a0b\u5e8f\u540e\uff0c\u6267\u884cnodeunit\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">$<\/span> <span class=\"nx\">nodeunit<\/span> <span class=\"nx\">test<\/span>\r\n\r\n<span class=\"nx\">test<\/span><span class=\"o\">-<\/span><span class=\"nx\">divided<\/span>\r\n<span class=\"err\">\u2714<\/span> <span class=\"nx\">calculate<\/span>\r\n<span class=\"err\">\u2714<\/span> <span class=\"nx\">read<\/span> <span class=\"nx\">a<\/span> <span class=\"nx\">value<\/span> <span class=\"nx\">other<\/span> <span class=\"nx\">than<\/span> <span class=\"nx\">a<\/span> <span class=\"nx\">number<\/span>\r\n<span class=\"err\">\u2714<\/span> <span class=\"nx\">read<\/span> <span class=\"nx\">a<\/span> <span class=\"nx\">number<\/span>\r\n\r\n<span class=\"nx\">OK<\/span><span class=\"p\">:<\/span> <span class=\"mi\">8<\/span> <span class=\"nx\">assertions<\/span> <span class=\"p\">(<\/span><span class=\"mi\">7<\/span><span class=\"nx\">ms<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6240\u6709\u6d4b\u8bd5\u7528\u4f8b\u90fd\u8fd4\u56de\u6210\u529fOK\u3002<br \/>\n\u6b64\u5916\uff0c\u4ece\u4e0a\u8ff0\u6d4b\u8bd5\u7528\u4f8b\u6267\u884c\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa\uff0c\u5373\u4f7f\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u5b58\u5728\u5f02\u6b65\u5904\u7406\uff0c\u5728\u6bcf\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u4e4b\u95f4\u4ecd\u7136\u662f\u6309\u987a\u5e8f\u6267\u884c\u7684\u3002<br \/>\n\u4e3a\u4e86\u4fdd\u8bc1\u6d4b\u8bd5\u7528\u4f8b\u4e4b\u95f4\u662f\u987a\u5e8f\u6267\u884c\u7684\uff0c\u5728\u6bcf\u6b21\u8fd0\u884c\u6d4b\u8bd5\u7528\u4f8b\u4e4b\u524d\uff0c\u901a\u8fc7\u521d\u59cb\u5316\u6d4b\u8bd5\u7528\u4f8b\u7684\u503c\uff0c\u53ef\u4ee5\u786e\u4fdd\u4e0b\u4e00\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u5e76\u53ef\u4ee5\u5728\u72ec\u7acb\u7684stub\u73af\u5883\u4e2d\u8fd0\u884c\u6d4b\u8bd5\u3002<br \/>\n\u5982\u679c\u6d4b\u8bd5\u7528\u4f8b\u4e4b\u95f4\u88ab\u5e76\u884c\u6267\u884c\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u5728\u6062\u590dstub\u524d\u6267\u884c\u4e86\u8bfb\u53d6\u6570\u5b57\u4e4b\u524d\u7684\u8bfb\u53d6\u975e\u6570\u5b57\u7684\u6d4b\u8bd5\u7528\u4f8b\uff0c\u4ece\u800c\u5bfc\u81f4\u65e0\u6cd5\u6b63\u786e\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<h2>\u5728\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u5b9e\u65bdsetUp\u548ctearDown<\/h2>\n<p>\u5728\u4e4b\u524d\u521b\u5efa\u7684\u6d4b\u8bd5\u7528\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728\u6bcf\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u7684\u5f00\u59cb\u548c\u7ed3\u675f\u65f6\u76f4\u63a5\u5728\u6d4b\u8bd5\u7528\u4f8b\u7684\u5185\u90e8\u7f16\u5199\u4e86\u6240\u9700\u7684\u5904\u7406\uff08\u4f8b\u5982\u521b\u5efa\u5b58\u6839\u7b49\uff09\u3002\u4f46\u662f\uff0c\u901a\u8fc7\u4f7f\u7528setUp\u548ctearDown\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u96c6\u4e2d\u5230\u4e00\u4e2a\u5730\u65b9\u8fdb\u884c\u5171\u4eab\u3002<\/p>\n<p>setUp\u65b9\u6cd5\u662f\u5728\u6bcf\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u8fd0\u884c\u4e4b\u524d\u6267\u884c\u7684\u65b9\u6cd5\uff0c\u800ctearDown\u65b9\u6cd5\u662f\u5728\u6bcf\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u7ed3\u675f\u65f6\u6267\u884c\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u5728\u4f7f\u7528setUp\u548ctearDown\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5c06nodeunit\u5e93\u7684\u8def\u5f84\u52a0\u5165\u5230\u73af\u5883\u4e2d\u3002<br \/>\n\u4e3a\u4e86\u80fd\u591f\u4f7f\u7528nodeunit\u5e93\uff0c\u8bf7\u5728~\/.node_libraries\u76ee\u5f55\u4e0b\u521b\u5efanodeunit\u5e93\u7684\u526f\u672c\/\u7b26\u53f7\u94fe\u63a5\uff0c\u6216\u8005\u5c06NODE_PATH\u73af\u5883\u53d8\u91cf\u8bbe\u7f6e\u4e3a\u5305\u542bnodeunit\u5e93\u7684\u76ee\u5f55\uff0c\u8bf7\u63d0\u524d\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528setUp\u548ctearDown\u65b9\u6cd5\u6765\u521b\u5efa\u6d4b\u8bd5\u7a0b\u5e8f\u3002<br \/>\n\u8981\u5b9e\u73b0setUp\u548ctearDown\u65b9\u6cd5\uff0c\u8bf7\u5728\u5f00\u5934\u5b9a\u4e49require(&#8216;nodeunit&#8217;)\u5e76\u5bfc\u5165nodeunit\u3002<\/p>\n<pre class=\"post-pre\"><code>var divided     = require('..\/lib\/divided');\r\nvar events      = require('events');\r\nvar nodeunit    = require('nodeunit');\r\n\r\nexports['calculate'] = function(test) {\r\n    test.equal(divided.calculate(4), 2);\r\n    test.equal(divided.calculate(3), 1);\r\n    test.throws(function() { divided.calculate(); });\r\n    test.throws(function() { divided.calculate(null); });\r\n    test.throws(function() { divided.calculate(\"abc\"); });\r\n    test.throws(function() { divided.calculate([]); });\r\n    test.done();\r\n};\r\n\r\nexports['read'] = nodeunit.testCase({\r\n    setUp: function(callback) {\r\n        \/\/ \u5404\u30e1\u30bd\u30c3\u30c9\u306e\u53c2\u7167\u3092\u4fdd\u6301\u3057\u3066\u304a\u304f\r\n        this._process_openStdin = process.openStdin;\r\n        this._console_log       = console.log;\r\n        this._divided_calculate = divided.calculate;\r\n        this._process_exit      = process.exit;\r\n\r\n        var ev = this.ev = new events.EventEmitter();\r\n        process.openStdin = function() { return ev; };\r\n        callback();\r\n    },\r\n    tearDown: function (callback) {\r\n        \/\/ \u5168\u3066\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u5143\u306b\u623b\u3059\r\n        process.opensStdin  = this._process_openStdin;\r\n        process.exit        = this._process_exit;\r\n        divided.calculate   = this._divided_calculate;\r\n        console.log         = this._console_log;\r\n        callback();\r\n    },\r\n    \/\/ \u6570\u5024\u4ee5\u5916\u306e\u6570\u5024\u304c\u6e21\u3055\u308c\u305f\u6642\u306e\u30c6\u30b9\u30c8\r\n    'a value other than a number': function(test) {\r\n        test.expect(1);\r\n\r\n        process.exit = test.done;\r\n        divided.calculate = function() {\r\n            throw new Error('Expected a number');\r\n        };\r\n        console.log = function(str) {\r\n            test.equal(str, 'Error: Expected a number');\r\n        };\r\n        divided.read();\r\n        this.ev.emit('data', 'abc');\r\n    },\r\n    \/\/ \u6570\u5024\u304c\u6e21\u3055\u308c\u305f\u6642\u306e\u6b63\u5e38\u7cfb\u30c6\u30b9\u30c8\r\n    'a number': function(test) {\r\n        test.expect(1);\r\n\r\n        process.exit = test.done;\r\n        console.log = function(str) {\r\n            test.equal(str, 'result: 4');\r\n        };\r\n        divided.read();\r\n        this.ev.emit('data', '8');\r\n    }\r\n});\r\n<\/code><\/pre>\n<p>\u521b\u5efa\u6d4b\u8bd5\u7a0b\u5e8f\u540e\uff0c\u8bf7\u5c1d\u8bd5\u8fd0\u884c\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code>$ NODE_PATH=\/usr\/local\/lib\/node_modules nodeunit test\r\n\r\ntest-divided\r\n\u2714 calculate\r\n\u2714 read - a value other than a number\r\n\u2714 read - a number\r\n\r\nOK: 8 assertions (9ms)\r\n<\/code><\/pre>\n<p>\u5982\u679c\u80fd\u901a\u8fc7\u4e0a\u8ff0\u7684\u6d4b\u8bd5\u7528\u4f8b\uff0c\u5c31\u7b97\u662f\u6210\u529f\u4e86\u3002<\/p>\n<h1>\u8bf7\u53c2\u8003<\/h1>\n<p>Unit testing in node.js<\/p>\n<p>http:\/\/caolan.org\/posts\/unit_testing_in_node_js\/<\/p>\n<p>[node.js] Getting started with nodeunit<\/p>\n<p>http:\/\/www.ipreferjim.com\/2011\/08\/node-js-getting-started-with-nodeunit\/<\/p>\n<p>Nodeunit<\/p>\n<p>https:\/\/github.com\/caolan\/nodeunit<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5355\u5143\u6d4b\u8bd5 c\u00e8 sh\u00ec) \u6211\u5c06\u4f7f\u7528Node.js\u7684\u5355\u5143\u6d4b\u8bd5\u5e93nodeunit\uff0c\u6765\u89e3\u91ca\u6709\u5173\u5355\u5143\u6d4b\u8bd5\u81ea\u52a8\u5316\u7684\u57fa\u7840\u77e5 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31918","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7528nodeunit 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