{"id":124783,"date":"2020-06-26T13:52:48","date_gmt":"2020-06-26T05:52:48","guid":{"rendered":"http:\/\/4563.org\/?p=124783"},"modified":"2020-06-26T13:52:48","modified_gmt":"2020-06-26T05:52:48","slug":"jest-%e8%83%bd%e5%a4%9f-mock-%e4%b8%80%e4%b8%aa-class-%e7%9a%84%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0%e4%b9%88%ef%bc%9f%e6%88%96%e8%80%85%e6%9c%89%e6%b2%a1%e6%9c%89%e5%85%b6%e5%ae%83%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=124783","title":{"rendered":"Jest \u80fd\u591f mock \u4e00\u4e2a class \u7684\u6784\u9020\u51fd\u6570\u4e48\uff1f\u6216\u8005\u6709\u6ca1\u6709\u5176\u5b83\u65b9\u6cd5\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  Jest \u80fd\u591f mock \u4e00\u4e2a class \u7684\u6784\u9020\u51fd\u6570\u4e48\uff1f\u6216\u8005\u6709\u6ca1\u6709\u5176\u5b83\u65b9\u6cd5\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : yazoox <\/span>  <span><i><\/i> 7<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>javascript\/typescript<\/p>\n<p>Jest \u5199 unit test<\/p>\n<p>\u88ab\u6d4b\u8bd5\u7684\u7c7b\uff0c\u5927\u6982\u957f\u8fd9\u4e2a\u6837\u5b50<\/p>\n<pre><code>import {MyEnumerator} from \"..\/MyEnumerator\";  export class FolderEnumerate {    getEnumerator() {     return new MyEnumerator();  }  }  <\/code><\/pre>\n<p>\u5927\u5bb6\u4e0d\u8981\u7ea0\u7ed3 \/\u8bdf\u75c5\u8fd9\u4e2a\u8bbe\u8ba1\uff0c\u8fd9\u662f legacy code\uff0c\u6211\u9700\u8981\u6dfb\u52a0 unit test.<\/p>\n<p>FolderEnumerate &amp; getEnumerator \u7684 code coverage \u4e0d\u591f\u3002\u8fd9\u91cc\u6d4b\u8bd5\u4ee3\u7801\u8fd8\u6ca1\u6709\u8dd1\u5230\uff0c\u9700\u8981\u6dfb\u52a0\u6d4b\u8bd5\u3002 \u4f46\u6211\u4e0d\u662f\u5f88\u61c2\uff0c\u8fd9\u513f\u600e\u4e48 mock \u6389 MyEnumeraor.<\/p>\n<p>\u8c22\u8c22\uff01<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>1<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"2048025\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : divasatanica <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f9d\u8d56\u6ce8\u5165\uff1f \u4f60\u73b0\u5728 FolderEnumerate \u5728\u5185\u90e8\u4f9d\u8d56 MyEnumerate \u8fd9\u4e2a\u7c7b\uff0c\u5199\u4e2a\u65b9\u6cd5\u5c06 MyEnumerate \u6ce8\u5165\u5230 FolderEnumerate \u5f53\u4e2d\u518d\u8fdb\u884c new \u64cd\u4f5c\u800c\u4e0d\u662f\u5199\u6b7b new \u4e00\u4e2a MyEnumerate \u7c7b\u7684\u5b9e\u4f8b\uff0c\u8fd9\u6837\u6d4b\u8bd5\u65f6\u53ef\u4ee5\u6ce8\u5165\u4f60\u7684 Mock \u7c7b\u6765\u5b9e\u73b0\u5355\u5143\u6d4b\u8bd5                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>Jest \u80fd\u591f mock \u4e00\u4e2a c&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/124783"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=124783"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/124783\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=124783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=124783"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=124783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}