{"id":127661,"date":"2020-06-15T23:26:42","date_gmt":"2020-06-15T15:26:42","guid":{"rendered":"http:\/\/4563.org\/?p=127661"},"modified":"2020-06-15T23:26:42","modified_gmt":"2020-06-15T15:26:42","slug":"%e8%af%b7%e6%95%99%e4%b8%80%e4%b8%8b-js-ts-%e4%bd%bf%e7%94%a8-jest-%e7%bb%9f%e8%ae%a1-code-coverage-%e7%9a%84%e9%97%ae%e9%a2%98%e3%80%82%e5%a7%8b%e7%bb%88%e4%b8%8d%e8%83%bd%e6%88%90%e5%8a%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=127661","title":{"rendered":"\u8bf7\u6559\u4e00\u4e0b JS\/TS \u4f7f\u7528 Jest \u7edf\u8ba1 code coverage \u7684\u95ee\u9898\u3002\u59cb\u7ec8\u4e0d\u80fd\u6210\u529f&#8230;&#8230;"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u8bf7\u6559\u4e00\u4e0b JS\/TS \u4f7f\u7528 Jest \u7edf\u8ba1 code coverage \u7684\u95ee\u9898\u3002\u59cb\u7ec8\u4e0d\u80fd\u6210\u529f&#8230;&#8230;               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : yazoox <\/span>  <span><i><\/i> 5<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>windows 10 &amp; vscode &amp; jest &amp; react + typescipt<\/p>\n<p>\u6211\u76f4\u63a5\u5728\u547d\u4ee4\u884c command window \u91cc\u9762\u8f93\u5165 jest \u80fd\u591f\u6210\u529f\u8fd0\u884c\uff0c\u5e76\u8dd1\u5b8c\u6240\u6709\u7684 test<\/p>\n<p>\u5728 vscode \u91cc\u9762\uff0c\u6211\u4e5f\u8bbe\u7f6e\u597d\u4e86 debug, \u4e5f\u80fd\u591f\u8dd1\u5b8c\u6307\u5b9a\u7684 test file.<\/p>\n<p><em>\u4f46\u73b0\u5728\u5c31\u662f\u6ca1\u6709\u529e\u6cd5\u7edf\u8ba1\u5173\u6ce8\u6587\u4ef6\u7684 code coverage<\/em><\/p>\n<ol>\n<li>\u5148\u5728\u547d\u4ee4\u884c\u91cc\u5c1d\u8bd5\uff1a<\/li>\n<\/ol>\n<p>\u6bd4\u5982:<\/p>\n<pre><code>jest --findRelatedTests agent-test.ts --collectCoverageFrom='[\"packagesagentmodulesagent.ts\"]' --coverage <\/code><\/pre>\n<p>\u80fd\u591f\u6210\u529f\u8dd1\u5b8c agent-test \u7684\u6d4b\u8bd5\u3002\u80fd\u663e\u793a code coverage \u7ed3\u679c\uff0c\u4f46\u662f\u662f\u201c\u7a7a\u201d\u7684\u3002\u4fee\u6539\u6210 packagesagentmodules*.ts \uff0c\u8fd8\u662f\u540c\u6837\u7684\u7ed3\u679c\u3002<\/p>\n<pre><code>----------|---------|----------|---------|---------|------------------- File      | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s ----------|---------|----------|---------|---------|------------------- All files |       0 |        0 |       0 |       0 |                   ----------|---------|----------|---------|---------|------------------- <\/code><\/pre>\n<p>\u5982\u679c\u6211\u53ea\u8fd0\u884c<\/p>\n<pre><code>jest --findRelatedTests agent-test.ts --coverage <\/code><\/pre>\n<p>jest \u8dd1\u5b8c agent-test.ts \u540e ,\u63d0\u793a&#8221;Running coverage on untested files&#8230;&#8221;\uff0c\u8fd9\u4e0d\u662f\u626f\u86cb\u4e48\uff1f\u6211\u53ea\u60f3\u770b\u6211\u6d4b\u8bd5\u8fc7\u7684\u6587\u4ef6\u7684 code coverage \u662f\u591a\u5c11\u5440\uff1f\u5982\u679c\u4e0d\u591f\uff0c\u6211\u597d\u8865\u5145\u5462\u3002\u8fd9 untested files \u662f\u4ec0\u4e48\u9b3c\uff1f<\/p>\n<ol>\n<li>\u518d\u53bb vscode \u91cc\u9762\u8bd5\u8bd5<\/li>\n<\/ol>\n<p>debug \u9009\u9879\u6dfb\u52a0 (\u6ce8\uff1a\u53cc\u5f15\u53f7\u548c\u90fd\u4f7f\u7528\u4e86\u8f6c\u4e49)<\/p>\n<p>&#8220;&#8211;collectCoverageFrom='[&#8220;packages\\agent\\modules\\agent.ts&#8221;]'&#8221;<\/p>\n<p>&#8220;&#8211;coverage&#8221;<\/p>\n<p>\u5728 debug \u7a97\u53e3\u91cc\u5374\u663e\u793a\u5982\u4e0b\uff0c\u5373\u51fa\u73b0\u4e86\u201c\u4e24\u4e2a\u5355\u5f15\u53f7\u201d \u548c\u201c\u4e09\u4e2a\u5355\u5f15\u53f7\u201d\uff0c\u8fd9\u4e2a\u5355\u5f15\u53f7\uff0c\u53c8\u4e0d\u80fd escape.<\/p>\n<pre><code>'--collectCoverageFrom=''[\"packagesagentmodulesagent.ts\"]''' '--coverage' <\/code><\/pre>\n<p>\u7ed3\u679c\u5c31\u662f\uff0c\u6839\u672c\u5c31\u6ca1\u6709\u201c\u89e6\u53d1\u201dcode coverage \u76f8\u5173\u64cd\u4f5c\uff0c\u4ec5\u4ec5\u53ea\u662f \u8dd1\u5b8c\u4e86\u6d4b\u8bd5\u3002\u6211\u4e0d\u77e5\u9053\u662f\u4e0d\u662f\u5355\u5f15\u53f7\u548c\u9020\u6210\u7684\u95ee\u9898&#8230;&#8230;<\/p>\n<p>Google \u4e86\u597d\u4e45\uff0c\u4e5f\u6ca1\u6709\u627e\u5230\u89e3\u51b3\u65b9\u6848\uff0c\u7279\u6765\u8bf7\u6559\u4e00\u4e0b\u5927\u5bb6\u3002 \u8c22\u8c22<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u8bf7\u6559\u4e00\u4e0b JS\/TS \u4f7f\u7528 Jes&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\/127661"}],"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=127661"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/127661\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=127661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=127661"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=127661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}