{"id":2833,"date":"2013-09-20T07:56:48","date_gmt":"2013-09-20T07:56:48","guid":{"rendered":"http:\/\/enjoyasp.net\/?p=2833"},"modified":"2013-09-20T08:07:34","modified_gmt":"2013-09-20T08:07:34","slug":"vs2012-fake%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/enjoyasp.net\/index.php\/2013\/09\/20\/vs2012-fake%e5%8a%9f%e8%83%bd\/","title":{"rendered":"vs2012 fake\u529f\u80fd"},"content":{"rendered":"
\n

\n\t\t    \u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\uff0c\u88ab\u6d4b\u8bd5\u7684\u529f\u80fd\u5e76\u4e0d\u603b\u662f\u5f88\u7b80\u5355\uff0c\u53ef\u80fd\u8fd9\u4e2a\u529f\u80fd\u5757\u6709\u591a\u4e2a\u903b\u8f91\u7ec4\u6210\uff0c\u5982\u5176\u4e2d\u4e00\u4e2a\u903b\u8f91A\u662f\u8981\u67e5\u8be2\u6570\u636e\u5e93\u8fd4\u56de\u4e00\u4e2a\u5217\u8868\uff0c\u90a3\u4e48\u5728\u7f16\u5199\u6d4b\u8bd5\u65b9\u6cd5\u65f6\u5c31\u4e0d\u5f97\u4e0d\u8003\u8651\u8fde\u63a5\u6570\u636e\u5e93\u7684\u4e8b\u60c5\uff0c\u5e76\u4e14\uff0c\u82e5\u6570\u636e\u5e93\u53d1\u751f\u66f4\u6539\u7684\u8bdd\uff0c\u505a\u7684\u6d4b\u8bd5\u4e5f\u9700\u8981\u76f8\u5e94\u7684\u66f4\u6539\u3002\u6b64\u65f6\u5229\u7528fake\u6765\u5047\u5192\u903b\u8f91A\u5373\u53ef\uff0c\u5373\u662f\u5c06\u903b\u8f91A\u67e5\u8be2\u6570\u636e\u5e93\u7684\u65b9\u6cd5\u505a\u4e00\u59d4\u6258\uff0c\u7528\u81ea\u5b9a\u4e49\u7684\u4ee3\u7801\u8fd4\u56de\u503c\u5373\u53ef\uff0c\u8fd9\u5c31\u5b9e\u73b0\u4e86\u4e0e\u6570\u636e\u5e93\u7684\u65e0\u5173\u6027\u3002<\/span><\/p>\n

\n\t\tStub\uff1a\u63a5\u53e3\u6a21\u62df<\/span>
\n\t\tShim\uff1a\u5177\u4f53\u65b9\u6cd5\u6a21\u62df<\/span>
\n\t\t\u5728\u6d4b\u8bd5\u65f6<\/span>
\n\t\t1\u8981\u5f15\u5165 Microsoft.QualityTools.Testing.Fakes;<\/span>
\n\t\t2\uff0c\u8981\u5728\u6a21\u62df\u4e0a\u4e0b\u6587\u4e2d\u64cd\u4f5c\uff0c\u53ea\u6709\u8fd9\u6837\u7c7b\u7528\u5230\u6709\u6a21\u62df\u7684\u65b9\u6cd5\u624d\u4f1a\u81ea\u52a8\u8c03\u7528\u6211\u4eec\u6240\u5b9e\u73b0\u7684<\/span>
\n\t\tusing (ShimsContext.Create())<\/span><\/p>\n

\n\t\t <\/p>\n

\n\t\tMicrosoft Fakes \u53ef\u4ee5\u63d0\u4f9b\u6210\u5458\u6a21\u62df\u7684\u65b9\u6cd5.\u4ee5\u65b9\u4fbf\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5<\/p>\n

\n\t\t\u5982\u679c\u4e0d\u4f7f\u7528\u6a21\u62df\u65b9\u6cd5\u6211\u4eec\u8981\u5173\u5fc3\u5f88\u591a\u4e1c\u897f\uff0c\u5982\u6570\u636e\u5e93\u7684\u6570\u636e\u53d8\u5316\uff0c\u63a5\u53e3\u8c03\u7528\u5bfc\u81f4\u7684\u53d8\u5316\uff0c\u6587\u4ef6\u3001\u53ca\u5176\u5b83\u8d44\u6e90\u7684\u8bbf\u95ee\u7b49\u95ee\u9898\u3002<\/p>\n

\n\t\t\u4f7f\u7528\u6a21\u62df\u6211\u4eec\u5219\u53ef\u4ee5\u53ea\u5173\u7cfb\u6211\u4eec\u9700\u8981\u6d4b\u8bd5\u7684\u90a3\u90e8\u5206\u903b\u8f91\u3002<\/p>\n

\n\t\t\"clip_image001\"<\/a><\/p>\n

\n\t\t\u4e00 \u3001Stub \u548c Shim<\/h3>\n

\n\t\tMicrosoft Fakes \u63d0\u4f9b\u4e86\u4e24\u79cd\u6a21\u62df\u7c7b\u578b\u6210\u5458\u7684\u65b9\u5f0f.\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u7684\u66ff\u4ee3\u5b9e\u73b0,\u90fd\u53ef\u4ee5\u7531\u59d4\u6258\u6765\u91cd\u65b0\u5b9e\u73b0.<\/p>\n

\n\t\t1.Stub<\/strong> Type,\u5b58\u6839\u7c7b\u578b,\u53ef\u4ee5\u52a8\u6001\u5730\u4e3a\u63a5\u53e3\u53ca\u975e\u5bc6\u5c01\u7684virtual\u6216\u5c5e\u6027\u9644\u52a0\u59d4\u6258,\u4ee5\u91cd\u65b0\u5b9a\u4e49\u5176\u5b9e\u73b0,\u751f\u6210\u7684\u7c7b\u4e3a\u5f3a\u7c7b\u578b.<\/p>\n

\n\t\t2.Shim<\/strong> Types,\u586b\u5145\u7c7b\u578b,\u89e3\u51b3\u4e86\u5bc6\u5c01\u7c7b\u6216static\u6210\u5458\u7684\u95ee\u9898,T\u7684\u586b\u5145\u7c7b\u578bShimT\u53ef\u4ee5\u4e3aT\u7684\u6bcf\u4e2a\u6210\u5458\u63d0\u4f9b\u4e00\u4e2a\u66ff\u4ee3\u5b9e\u73b0<\/p>\n

\n\t\t\u4e8c \u3001\u9009\u62e9\u539f\u5219<\/h3>\n

\n\t\t\u7531\u4e8eStub\u548cShim\u7684\u5b9e\u73b0\u65b9\u5f0f\u4e0d\u540c,\u6240\u4ee5\u5b83\u4eec\u4e5f\u6709\u4e0d\u540c\u7684\u8981\u6c42,\u4e0b\u9762\u603b\u7ed3\u4e86\u9009\u62e9\u5b83\u4eec\u7684\u4e00\u4e9b\u539f\u5219:<\/p>\n

\n\t\t\u6027\u80fd\u65b9\u9762<\/strong>:\u8fd0\u884c\u65f6\u4f7f\u7528Shim\u91cd\u5199\u4f1a\u5f71\u54cd\u6027\u80fd,Stub\u7531\u4e8e\u4f7f\u7528\u7684\u662f\u865a\u65b9\u6cd5,\u5219\u65e0\u6b64\u95ee\u9898<\/p>\n

\n\t\t\u5bf9static\u65b9\u6cd5\/sealed\u7c7b\u578b<\/strong>:Stub\u7c7b\u578b\u53ea\u53ef\u4ee5\u91cd\u5199\u865a\u65b9\u6cd5,\u56e0\u6b64,\u5b83\u4e0d\u9002\u7528\u4e8estatic\u65b9\u6cd5\/sealed\u65b9\u6cd5\/sealed\u7c7b\u4e2d\u7684\u65b9\u6cd5,\u7b49<\/p>\n

\n\t\tInternal\u7c7b\u578b<\/strong>:\u5bf9\u4e8e\u6807\u8bb0\u4e86InternalsVisibleToAttribute\u7684\u5185\u90e8\u7c7b\u578b,Fakes\u4e5f\u53ef\u4ee5\u8d77\u4f5c\u7528<\/p>\n

\n\t\tprivate\u65b9\u6cd5<\/strong>:\u5982\u679cprivate\u65b9\u6cd5\u7684\u7b7e\u540d\u4e0a\u7684\u6240\u6709\u7c7b\u578b\u90fd\u662f\u53ef\u89c1\u7c7b\u578b,\u90a3\u4e48\u53ef\u4ee5\u901a\u8fc7Shim\u6765\u66ff\u6362\u5b9e\u73b0.Stub\u53ea\u80fd\u66ff\u6362\u53ef\u89c1\u65b9\u6cd5.<\/p>\n

\n\t\t\u63a5\u53e3\u548c\u62bd\u8c61\u65b9\u6cd5<\/strong>:Stub\u53ef\u4ee5\u63d0\u4f9b\u63a5\u53e3\u6216\u62bd\u8c61\u65b9\u6cd5\u7684\u66ff\u4ee3\u5b9e\u73b0.Shim\u5219\u4e0d\u80fd,\u56e0\u4e3a\u6ca1\u6709\u5b9e\u9645\u7684\u65b9\u6cd5\u4f53.<\/p>\n

\n\t\t\u6240\u4ee5\u5efa\u8bae\u5728\u4e00\u822c\u60c5\u51b5\u4e0b\u4f7f\u7528Stub\u6765\u652f\u6301\u90a3\u4e9b\u53ef\u6d4b\u8bd5\u6027\u505a\u7684\u975e\u5e38\u597d\u7684\u7c7b\u578b,\u800c\u7528Shim\u6765\u89e3\u51b3\u90a3\u4e9b\u8026\u5408\u5f88\u5927,\u53ef\u6d4b\u8bd5\u6027\u5f88\u5dee\u7684\u4ee3\u7801\u6216\u4e09\u65b9\u7ec4\u4ef6.<\/p>\n

\n\t\t\u4e09\u3001\u5982\u4f55\u4f7f\u7528Fakes<\/h3>\n

\n\t\t\u5047\u8bbe\u6211\u4eec\u5728\u9879\u76eeClassLibrary1<\/strong>\u4e2d\u6709\u4ee5\u4e0b\u51e0\u4e2a\u7c7b<\/p>\n

\n
\n
\r\n   1:<\/span> public<\/span> interface<\/span> IDataAccess<\/pre>\n
\r\n   2:<\/span> {<\/pre>\n
\r\n   3:<\/span>     int<\/span> Read();<\/pre>\n
\r\n   4:<\/span> }<\/pre>\n
\r\n   5:<\/span>  <\/pre>\n
\r\n   6:<\/span> public<\/span> class<\/span> MyDataAccess : IDataAccess<\/pre>\n
\r\n   7:<\/span> {<\/pre>\n
\r\n   8:<\/span>     public<\/span> int<\/span> Read()<\/pre>\n
\r\n   9:<\/span>     {<\/pre>\n
\r\n  10:<\/span>         return<\/span> Tools.GetNum();<\/pre>\n
\r\n  11:<\/span>     }<\/pre>\n
\r\n  12:<\/span> }<\/pre>\n
\r\n  13:<\/span>  <\/pre>\n
\r\n  14:<\/span> public<\/span> class<\/span> Tools<\/pre>\n
\r\n  15:<\/span> {<\/pre>\n
\r\n  16:<\/span>     static<\/span> public<\/span> int<\/span> GetNum()<\/pre>\n
\r\n  17:<\/span>     {<\/pre>\n
\r\n  18:<\/span>         return<\/span> 1;<\/pre>\n
\r\n  19:<\/span>     }<\/pre>\n
\r\n  20:<\/span> }<\/pre>\n
\r\n  21:<\/span>  <\/pre>\n
\r\n  22:<\/span> public<\/span> class<\/span> MyClass<\/pre>\n
\r\n  23:<\/span> {<\/pre>\n
\r\n  24:<\/span>      public<\/span> static<\/span> int<\/span> GetMyData(IDataAccess obj)<\/pre>\n
\r\n  25:<\/span>      {<\/pre>\n
\r\n  26:<\/span>          \/\/\u5176\u5b83\u903b\u8f91<\/span><\/pre>\n
\r\n  27:<\/span>          return<\/span> obj.Read();<\/pre>\n
\r\n  28:<\/span>      }<\/pre>\n
\r\n  29:<\/span> }<\/pre>\n<\/p><\/div>\n<\/p><\/div>\n
\n\t\t\u6211\u4eec\u8981\u4f7f\u7528Fakes\u8fdb\u884c\u6d4b\u8bd5\u53ea\u9700\u8981\u5728\u6d4b\u8bd5\u9879\u76ee\u4e2d\u5f15\u7528 ClassLibrary1,\u5e76\u4e14\u5728\u4e4b\u4e0a\u53f3\u952e->\u5efa\u7acb Fakes<\/strong>\u5373\u53ef\u4f7f\u7528Fakes<\/p>\n
\n\t\t <\/p>\n
\n\t\t\u4e4b\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u4ee5\u4e0b\u4ee3\u7801\u6765\u6a21\u62df\u4e00\u4e2aIDataAccess\u7684\u5b9e\u4f8b ,MyClass.GetMyData  \u8fd9\u4e2astatic\u65b9\u6cd5\u7684\u5b9e\u73b0<\/p>\n
\n\t\t\u524d\u8005\u5373\u4f7f\u7528Stub,\u540e\u8005\u5373Shim<\/p>\n
\n
\n
\r\n   1:<\/span> [TestClass]<\/pre>\n
\r\n   2:<\/span> public<\/span> class<\/span> UnitTest1<\/pre>\n
\r\n   3:<\/span> {<\/pre>\n
\r\n   4:<\/span>     [TestMethod]<\/pre>\n
\r\n   5:<\/span>     public<\/span> void<\/span> StubTest()<\/pre>\n
\r\n   6:<\/span>     {<\/pre>\n
\r\n   7:<\/span>         IDataAccess stockFeed = new<\/span> ClassLibrary1.Fakes.StubIDataAccess()<\/pre>\n
\r\n   8:<\/span>                                     {<\/pre>\n
\r\n   9:<\/span>                                         Read = () => { return<\/span> 2; }<\/pre>\n
\r\n  10:<\/span>                                     };<\/pre>\n
\r\n  11:<\/span>         Assert.AreEqual(2, MyClass.GetMyData(stockFeed));<\/pre>\n
\r\n  12:<\/span>  <\/pre>\n
\r\n  13:<\/span>     }<\/pre>\n
\r\n  14:<\/span>     [TestMethod]<\/pre>\n
\r\n  15:<\/span>     public<\/span> void<\/span> ShimTest()<\/pre>\n
\r\n  16:<\/span>     {<\/pre>\n
\r\n  17:<\/span>         using<\/span> (ShimsContext.Create())<\/pre>\n
\r\n  18:<\/span>         {<\/pre>\n
\r\n  19:<\/span>             ClassLibrary1.Fakes.ShimMyClass.GetMyDataIDataAccess = (inc) => { return<\/span> 2; };<\/pre>\n
\r\n  20:<\/span>             Assert.AreEqual(2, MyClass.GetMyData(null<\/span>));<\/pre>\n
\r\n  21:<\/span>         }<\/pre>\n
\r\n  22:<\/span>  <\/pre>\n
\r\n  23:<\/span>     }<\/pre>\n
\r\n  24:<\/span>  <\/pre>\n
\r\n  25:<\/span> }<\/pre>\n<\/p><\/div>\n<\/p><\/div>\n
\n\t\tStub \u4e0e\u5176\u5b83Mock\u5dee\u4e0d\u591a,\u53ea\u662f\u4f7f\u7528\u59d4\u6258\u6765\u6539\u53d8\u65b9\u6cd5\u5b9e\u73b0<\/p>\n
\n\t\t\u800cShim\u5219\u9700\u8981\u5efa\u7acb ShimsContext\u7684\u4f5c\u7528\u57df<\/p>\n<\/div>\n
\n\t
\n\t\u5f15\u81ea\uff1a<\/p>\n
\n\t\t\u4f7f\u7528Microsoft Fakes \u8fdb\u884c\u6d4b\u8bd5<\/a><\/div>\n
\n\t\tIsolating Code Under Test with Microsoft Fakes<\/a><\/div>\n
\n\t\tUnit testing with Fakes with Visual studio Premium 2012<\/a><\/div>\n
\n\t <\/div>\n","protected":false},"excerpt":{"rendered":"
    \u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\uff0c\u88ab\u6d4b\u8bd5\u7684\u529f\u80fd\u5e76\u4e0d\u603b\u662f\u5f88\u7b80\u5355\uff0c\u53ef\u80fd\u8fd9\u4e2a\u529f\u80fd\u5757\u6709\u591a\u4e2a […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-2833","post","type-post","status-publish","format-standard","hentry","category-aspdotnet"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/2833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/comments?post=2833"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/2833\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=2833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=2833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=2833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}