{"id":38524,"date":"2023-01-12T11:01:55","date_gmt":"2023-08-01T04:33:20","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e4%bd%bf%e7%94%a8-react-testing-library-rtl-%e8%8e%b7%e5%8f%96%e5%85%83%e7%b4%a0%e7%9a%84api%e6%97%b6%ef%bc%8c%e5%8f%af%e4%bb%a5%e6%a0%b9%e6%8d%ae%e9%9c%80%e6%b1%82%e8%bf%9b%e8%a1%8c\/"},"modified":"2024-04-29T09:35:39","modified_gmt":"2024-04-29T01:35:39","slug":"%e5%9c%a8%e4%bd%bf%e7%94%a8-react-testing-library-rtl-%e8%8e%b7%e5%8f%96%e5%85%83%e7%b4%a0%e7%9a%84api%e6%97%b6%ef%bc%8c%e5%8f%af%e4%bb%a5%e6%a0%b9%e6%8d%ae%e9%9c%80%e6%b1%82%e8%bf%9b%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e4%bd%bf%e7%94%a8-react-testing-library-rtl-%e8%8e%b7%e5%8f%96%e5%85%83%e7%b4%a0%e7%9a%84api%e6%97%b6%ef%bc%8c%e5%8f%af%e4%bb%a5%e6%a0%b9%e6%8d%ae%e9%9c%80%e6%b1%82%e8%bf%9b%e8%a1%8c\/","title":{"rendered":"\u5728\u4f7f\u7528 React Testing Library (RTL) \u83b7\u53d6\u5143\u7d20\u7684API\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8fdb\u884c\u9002\u5f53\u7684\u9009\u62e9"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u672c\u6587\u5c06\u4ecb\u7ecd\u4f7f\u7528\u5e26\u6709\u793a\u4f8b\u7684 React Testing Library (RTL) \u6765\u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684 API \u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h1>\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\u7684\u60c5\u51b5\u4e0b\uff0c\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u91ca\u4e49\uff1a<\/h1>\n<p>\u524d\u63d0<\/p>\n<p>\u5b9e\u65bd\u4e86\u6837\u4f8b\u7684\u5f00\u53d1\u73af\u5883\u5982\u4e0b\u6240\u793a\u3002<br \/>\n\u5f00\u53d1\u73af\u5883\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Windows11<\/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\">VSCode<\/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\">TypeScript 4.9.5<\/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\">React 18.2.0<\/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\">Vite 4.1.0<\/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\">Vitest 0.28.5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">@testing-library\/react 14.0.0<\/ul>\n<p>\u53e6\u5916\uff0c\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6587\u7ae0\u4e2d\u63d0\u5230\u7684\u6b65\u9aa4\uff0c\u5728Vitest\u4e0a\u914d\u7f6eReact Testing Library\u7684\u4f7f\u7528\u3002<\/p>\n<p>&nbsp;<\/p>\n<h1>API \u5206\u7c7b\u662f\u5173\u4e8e\u83b7\u53d6\u8981\u7d20\u7684\u3002<\/h1>\n<p>\u5728\u9875\u9762\u4e0a\u83b7\u53d6\u5143\u7d20\u7684API\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u4e09\u4e2a\u65b9\u9762\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u53d6\u5f97\u3059\u308b\u8981\u7d20\u306e\u6570\uff1a\u5358\u4e00\uff08&#8230;By&#8230;\uff09\u3001\u8907\u6570\uff08&#8230;AllBy&#8230;\uff09<\/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\">\u30af\u30a8\u30ea\u306e\u7a2e\u985e\uff1agetBy (getAllBy)&#8230;\u3001queryBy (queryAllBy)&#8230;\u3001findBy (findAllBy)&#8230;<\/ul>\n<\/li>\n<\/ul>\n<p>\u30af\u30a8\u30ea\u306e\u65b9\u6cd5\uff1a&#8230;ByRole\u3001&#8230;ByLabelText\u3001&#8230;ByPlaceholderText\u3001&#8230;ByText\u3001&#8230;ByDisplayVaalue\u3001&#8230;ByAltText\u3001&#8230;ByTitle\u3001&#8230;ByTestId<\/p>\n<h1>\u67e5\u8be2\u7c7b\u578b<\/h1>\n<p>\u6839\u636e\u5143\u7d20\u662f\u5426\u627e\u5230\u548c\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5c06getBy\uff08getAllBy\uff09\u3001queryBy\uff08queryAllBy\uff09\u548cfindBy\uff08findAllBy\uff09\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30af\u30a8\u30ea\u306e\u7a2e\u985e\u8981\u7d20\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u975e\u540c\u671fgetBy (getAllBy)\u30a8\u30e9\u30fc\u00d7queryBy (queryAllBy)null or []\u00d7findBy (findAllBy)\u30a8\u30e9\u30fc\u3007<\/div>\n<\/div>\n<h2>\u83b7\u53d6\uff08\u5168\u90e8\u83b7\u53d6\uff09\u7684\u7528\u4f8b<\/h2>\n<p>\u5982\u679c\u6ca1\u6709\u7279\u5b9a\u7684\u7406\u7531\uff08\u4e0d\u9700\u8981\u4f7f\u7528queryBy\uff08queryAllBy\uff09\u6216findBy\uff08findAllBy\uff09\uff09\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528getBy\uff08getAllBy\uff09\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5f53\u60a8\u9700\u8981\u83b7\u53d6\u57fa\u4e8e\u4ee5\u4e0b\u7ec4\u4ef6\u7684\u6587\u672c\u65f6\uff0c\u8bf7\u4f7f\u7528 getByText\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">Home<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">You<\/span> <span class=\"nx\">are<\/span> <span class=\"nx\">home<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/div&gt;<\/span><span class=\"err\">;\r\n<\/span><span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">render<\/span><span class=\"p\">,<\/span> <span class=\"nx\">screen<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@testing-library\/react<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BrowserRouter<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">react-router-dom<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">describe<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">vitest<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Home<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/..\/..\/pages\/Home<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Home component<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">test<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">elements<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Home<\/span> <span class=\"o\">\/&gt;<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">wrapper<\/span><span class=\"p\">:<\/span> <span class=\"nx\">BrowserRouter<\/span> <span class=\"p\">});<\/span>\r\n\r\n    <span class=\"nf\">expect<\/span><span class=\"p\">(<\/span><span class=\"nx\">screen<\/span><span class=\"p\">.<\/span><span class=\"nf\">getByText<\/span><span class=\"p\">(<\/span><span class=\"sr\">\/you are home\/i<\/span><span class=\"p\">)).<\/span><span class=\"nf\">toBeInTheDocument<\/span><span class=\"p\">();<\/span>\r\n  <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\/657d34c637434c4406c6a07a\/18-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u67e5\u8be2\u901a\u8fc7\uff08\u67e5\u8be2\u5168\u90e8\uff09\u7684\u7528\u4f8b<\/h2>\n<p>\u5f53\u901a\u8fc7 queryBy \u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u627e\u5230\u8981\u7d20\uff0c\u5219\u4f1a\u8fd4\u56de null\uff08queryAllBy \u5219\u8fd4\u56de []\uff09\u3002\u56e0\u6b64\uff0cqueryBy \u4e3b\u8981\u7528\u4e8e\u67e5\u627e\u4e0d\u5b58\u5728\u7684\u5143\u7d20\u3002<\/p>\n<p>\u6bd4\u5982\u8bf4\uff0c\u5047\u8bbe\u6709\u4e00\u4e2a\u6839\u636e props \u503c\u6765\u6539\u53d8\u6587\u672c\u663e\u793a\u548c\u9690\u85cf\u7684\u5143\u7d20\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">Home<\/span> <span class=\"o\">=<\/span> <span class=\"p\">({<\/span> <span class=\"nx\">authorized<\/span> <span class=\"p\">}:<\/span> <span class=\"p\">{<\/span> <span class=\"nl\">authorized<\/span><span class=\"p\">:<\/span> <span class=\"nx\">boolean<\/span> <span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;&gt;<\/span>\r\n      <span class=\"p\">{<\/span><span class=\"nx\">authorized<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">You<\/span> <span class=\"nx\">are<\/span> <span class=\"nx\">authorized<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/div&gt;<\/span><span class=\"err\">}\r\n<\/span>    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8981\u6d4b\u8bd5\u663e\u793a\u4e86\u8be5\u5143\u7d20\u7684\u6587\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528getByText\u6765\u8fdb\u884c\u6d4b\u8bd5\uff0c\u6ca1\u6709\u4efb\u4f55\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Home component<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">test<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">when authorized<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Home<\/span> <span class=\"nx\">authorized<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"kc\">true<\/span><span class=\"p\">}<\/span> <span class=\"sr\">\/&gt;, { wrapper: BrowserRouter }<\/span><span class=\"se\">)<\/span><span class=\"err\">;\r\n<\/span>\r\n    <span class=\"nf\">expect<\/span><span class=\"p\">(<\/span><span class=\"nx\">screen<\/span><span class=\"p\">.<\/span><span class=\"nf\">getByText<\/span><span class=\"p\">(<\/span><span class=\"sr\">\/you are authorized\/i<\/span><span class=\"p\">)).<\/span><span class=\"nf\">toBeInTheDocument<\/span><span class=\"p\">();<\/span>\r\n  <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\/657d34c637434c4406c6a07a\/25-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5728\u4e00\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6587\u672c\u88ab\u9690\u85cf\uff0c\u4f7f\u7528getByText\u8fdb\u884c\u6d4b\u8bd5\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">test<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">when not authorized<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Home<\/span> <span class=\"nx\">authorized<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"kc\">false<\/span><span class=\"p\">}<\/span> <span class=\"sr\">\/&gt;, { wrapper: BrowserRouter }<\/span><span class=\"se\">)<\/span><span class=\"err\">;\r\n<\/span>\r\n  <span class=\"nf\">expect<\/span><span class=\"p\">(<\/span><span class=\"nx\">screen<\/span><span class=\"p\">.<\/span><span class=\"nf\">getByText<\/span><span class=\"p\">(<\/span><span class=\"sr\">\/you are authorized\/i<\/span><span class=\"p\">)).<\/span><span class=\"nx\">not<\/span><span class=\"p\">.<\/span><span class=\"nf\">toBeInTheDocument<\/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\/657d34c637434c4406c6a07a\/28-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u56e0\u6b64\uff0c\u6211\u5011\u4f7f\u7528 queryBy \u4ee3\u66ff getByText\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">test<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">when not authorized<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Home<\/span> <span class=\"nx\">authorized<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"kc\">false<\/span><span class=\"p\">}<\/span> <span class=\"sr\">\/&gt;, { wrapper: BrowserRouter }<\/span><span class=\"se\">)<\/span><span class=\"err\">;\r\n<\/span>\r\n  <span class=\"nf\">expect<\/span><span class=\"p\">(<\/span><span class=\"nx\">screen<\/span><span class=\"p\">.<\/span><span class=\"nf\">queryByText<\/span><span class=\"p\">(<\/span><span class=\"sr\">\/you are authorized\/i<\/span><span class=\"p\">)).<\/span><span class=\"nx\">not<\/span><span class=\"p\">.<\/span><span class=\"nf\">toBeInTheDocument<\/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\/657d34c637434c4406c6a07a\/31-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u67e5\u8be2\uff08findAll\uff09\u7684\u7528\u4f8b<\/h2>\n<p>findBy\uff08findAllBy\uff09\u53ef\u4ee5\u5f02\u6b65\u83b7\u53d6\u5143\u7d20\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u4e8eUI\u7684\u53d8\u5316\u6216\u5f02\u6b65API\u54cd\u5e94\u8fd4\u56de\u540e\u7684UI\u663e\u793a\u7b49\uff0c\u8fd9\u4e9b\u90fd\u4e0estate\u503c\u7684\u66f4\u6539\u6709\u5173\u3002<\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u901a\u8fc7\u70b9\u51fb\u6309\u94ae\u53ef\u4ee5\u6539\u53d8\u6309\u94ae\u4e0a\u6587\u5b57\u7684\u5143\u7d20\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useState<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">react<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">Home<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">buttonText<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setButtonText<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useState<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">button<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">button<\/span> <span class=\"nx\">onClick<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">setButtonText<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">clicked<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)}<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">{<\/span><span class=\"nx\">buttonText<\/span><span class=\"p\">}<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/button&gt;<\/span><span class=\"err\">;\r\n<\/span><span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u6d4b\u8bd5\u6309\u94ae\u70b9\u51fb\u540e\u6587\u672c\u663e\u793a\u662f\u5426\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u4f7f\u7528getByText\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">render<\/span><span class=\"p\">,<\/span> <span class=\"nx\">screen<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@testing-library\/react<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">userEvent<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@testing-library\/user-event<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BrowserRouter<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">react-router-dom<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">describe<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">vitest<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Home<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/..\/..\/pages\/Home<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Home component<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">test<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">when authorized<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Home<\/span> <span class=\"o\">\/&gt;<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">wrapper<\/span><span class=\"p\">:<\/span> <span class=\"nx\">BrowserRouter<\/span> <span class=\"p\">});<\/span>\r\n\r\n    <span class=\"nx\">userEvent<\/span><span class=\"p\">.<\/span><span class=\"nf\">click<\/span><span class=\"p\">(<\/span><span class=\"nx\">screen<\/span><span class=\"p\">.<\/span><span class=\"nf\">getByRole<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">button<\/span><span class=\"dl\">\"<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"nf\">expect<\/span><span class=\"p\">(<\/span><span class=\"nx\">screen<\/span><span class=\"p\">.<\/span><span class=\"nf\">getByText<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">clicked<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)).<\/span><span class=\"nf\">toBeInTheDocument<\/span><span class=\"p\">();<\/span>\r\n  <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\/657d34c637434c4406c6a07a\/38-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u4e00\u65e6\u4f7f\u7528 await \u548c findByText \u4e00\u8d77\uff0c\u5728\u5f02\u6b65\u5730\u83b7\u53d6\u5143\u7d20\u540e\uff0c\u60a8\u53ef\u4ee5\u65e0\u9519\u8bef\u5730\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">render<\/span><span class=\"p\">,<\/span> <span class=\"nx\">screen<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@testing-library\/react<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">userEvent<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@testing-library\/user-event<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BrowserRouter<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">react-router-dom<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">describe<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">vitest<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Home<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/..\/..\/pages\/Home<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Home component<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">test<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">test<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Home<\/span> <span class=\"o\">\/&gt;<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">wrapper<\/span><span class=\"p\">:<\/span> <span class=\"nx\">BrowserRouter<\/span> <span class=\"p\">});<\/span>\r\n\r\n    <span class=\"nx\">userEvent<\/span><span class=\"p\">.<\/span><span class=\"nf\">click<\/span><span class=\"p\">(<\/span><span class=\"nx\">screen<\/span><span class=\"p\">.<\/span><span class=\"nf\">getByRole<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">button<\/span><span class=\"dl\">\"<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"nf\">expect<\/span><span class=\"p\">(<\/span><span class=\"k\">await<\/span> <span class=\"nx\">screen<\/span><span class=\"p\">.<\/span><span class=\"nf\">findByText<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">clicked<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)).<\/span><span class=\"nf\">toBeInTheDocument<\/span><span class=\"p\">();<\/span>\r\n  <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\/657d34c637434c4406c6a07a\/41-0.png\" alt=\"image.png\" \/><\/div>\n<div>\n<p>\u901a\u8fc7\u4f7f\u7528 getByText \u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u987a\u5229\u8fdb\u884c\u6d4b\u8bd5\uff0c\u4e0d\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<p>\u65b9\u6cd51\uff1a\u5728\u70b9\u51fb\u5904\u7406\u4e2d\u6dfb\u52a0 await<\/p>\n<p>Home.test.tsx<br \/>\nimport { render, screen } from &#8220;@testing-library\/react&#8221;;<br \/>\nimport userEvent from &#8220;@testing-library\/user-event&#8221;;<br \/>\nimport { BrowserRouter } from &#8220;react-router-dom&#8221;;<br \/>\nimport { describe } from &#8220;vitest&#8221;;<br \/>\nimport { Home } from &#8220;..\/..\/..\/pages\/Home&#8221;;<\/p>\n<p>describe(&#8220;Home component&#8221;, () =&gt; {<br \/>\ntest(&#8220;test&#8221;, async () =&gt; {<br \/>\nrender(, { wrapper: BrowserRouter });<\/p>\n<p>await userEvent.click(screen.getByRole(&#8220;button&#8221;));<br \/>\nexpect(screen.getByText(&#8220;clicked&#8221;)).toBeInTheDocument();<br \/>\n});<br \/>\n});<\/p>\n<p>\u65b9\u6cd52\uff1a\u4f7f\u7528 waitFor \u65b9\u6cd5<\/p>\n<p>Home.test.tsx<br \/>\nimport { render, screen, waitFor } from &#8220;@testing-library\/react&#8221;;<br \/>\nimport userEvent from &#8220;@testing-library\/user-event&#8221;;<br \/>\nimport { BrowserRouter } from &#8220;react-router-dom&#8221;;<br \/>\nimport { describe } from &#8220;vitest&#8221;;<br \/>\nimport { Home } from &#8220;..\/..\/..\/pages\/Home&#8221;;<\/p>\n<p>describe(&#8220;Home component&#8221;, () =&gt; {<br \/>\ntest(&#8220;test&#8221;, async () =&gt; {<br \/>\nrender(, { wrapper: BrowserRouter });<\/p>\n<p>userEvent.click(screen.getByRole(&#8220;button&#8221;));<br \/>\nawait waitFor(() =&gt; {<br \/>\nexpect(screen.getByText(&#8220;clicked&#8221;)).toBeInTheDocument();<br \/>\n});<br \/>\n});<br \/>\n})\u3002<\/p>\n<\/div>\n<h1>\u67e5\u8be2\u65b9\u6cd5<\/h1>\n<p>RTL\u662f\u57fa\u4e8e\u4ee5\u4e0b\u601d\u60f3\u5f00\u53d1\u7684\u3002<\/p>\n<blockquote><p>\u4f60\u7684\u6d4b\u8bd5\u4e0e\u4f60\u7684\u8f6f\u4ef6\u4f7f\u7528\u65b9\u5f0f\u8d8a\u76f8\u4f3c\uff0c\u4f60\u5c31\u8d8a\u53ef\u4ee5\u83b7\u5f97\u4fe1\u5fc3\u3002<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<p>\u6839\u636e\u8fd9\u4e2a\u601d\u60f3\uff0c\u63a8\u8350\u6309\u7167\u4ee5\u4e0b\u4f18\u5148\u987a\u5e8f\u4f7f\u7528\u67e5\u8be2\u65b9\u5f0f\uff08\u901a\u8fc7&#8230;\uff09\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6bcf\u4e2a\u4eba\u90fd\u53ef\u4ee5\u8bbf\u95ee\u7684\u67e5\u8be2:<\/ol>\n<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u89d2\u8272\u83b7\u53d6<br \/>\n\u901a\u8fc7\u6807\u7b7e\u6587\u672c\u83b7\u53d6<br \/>\n\u901a\u8fc7\u5360\u4f4d\u6587\u672c\u83b7\u53d6<br \/>\n\u901a\u8fc7\u6587\u672c\u83b7\u53d6<br \/>\n\u901a\u8fc7\u663e\u793a\u503c\u83b7\u53d6<\/p>\n<p>\u8bed\u4e49\u67e5\u8be2:<\/p>\n<p>\u901a\u8fc7\u66ff\u4ee3\u6587\u672c\u83b7\u53d6<br \/>\n\u901a\u8fc7\u6807\u9898\u83b7\u53d6<\/p>\n<p>\u6d4b\u8bd5ID:<\/p>\n<p>\u901a\u8fc7\u6d4b\u8bd5ID\u83b7\u53d6<\/p>\n<h1>\u8bf7\u53c2\u7167\u4e0b\u5217\u9009\u9879\u3002<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">About Queries<\/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\">Guiding Principles<\/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\">\u3010react-testing-library\u3011queryBy, findBy\u306f\u3069\u3046\u4f7f\u3048\u3070\u3044\u3044\u306e\u304b\uff1f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">testing library\u3067\u306egetBy, queryBy, findBy\u306e\u9055\u3044\u306b\u3064\u3044\u3066<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u672c\u6587\u5c06\u4ecb\u7ecd\u4f7f\u7528\u5e26\u6709\u793a\u4f8b\u7684 React Testing Library (RTL) \u6765\u83b7\u53d6\u9875\u9762\u5143\u7d20\u7684 AP [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38524","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>\u5728\u4f7f\u7528 React Testing Library (RTL) \u83b7\u53d6\u5143\u7d20\u7684API\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8fdb\u884c\u9002\u5f53\u7684\u9009\u62e9 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728\u4f7f\u7528-react-testing-library-rtl-\u83b7\u53d6\u5143\u7d20\u7684api\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8fdb\u884c\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728\u4f7f\u7528 React Testing Library (RTL) \u83b7\u53d6\u5143\u7d20\u7684API\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8fdb\u884c\u9002\u5f53\u7684\u9009\u62e9\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u672c\u6587\u5c06\u4ecb\u7ecd\u4f7f\u7528\u5e26\u6709\u793a\u4f8b\u7684 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