{"id":39312,"date":"2023-04-26T00:31:56","date_gmt":"2023-08-16T16:36:25","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8angular%e6%b5%8b%e8%af%95%e4%b8%ad%e6%a8%a1%e6%8b%9f%e7%8e%af%e5%a2%83%e5%8f%98%e9%87%8f\/"},"modified":"2024-04-30T01:18:31","modified_gmt":"2024-04-29T17:18:31","slug":"%e5%9c%a8angular%e6%b5%8b%e8%af%95%e4%b8%ad%e6%a8%a1%e6%8b%9f%e7%8e%af%e5%a2%83%e5%8f%98%e9%87%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8angular%e6%b5%8b%e8%af%95%e4%b8%ad%e6%a8%a1%e6%8b%9f%e7%8e%af%e5%a2%83%e5%8f%98%e9%87%8f\/","title":{"rendered":"\u5728Angular\u6d4b\u8bd5\u4e2d\u6a21\u62df\u73af\u5883\u53d8\u91cf"},"content":{"rendered":"<p>\u56e0\u4e3a\u5bf9\u5728\u73af\u5883\u4e2d\u58f0\u660e\u7684\u53d8\u91cf\u7684\u6d4b\u8bd5\u65b9\u6cd5\u611f\u5230\u56f0\u60d1\uff0c\u6240\u4ee5\u6211\u5c06\u5176\u8bb0\u4e0b\u6765\u4f5c\u4e3a\u5907\u5fd8\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Angular v15<\/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\">@testing-library\/angular v13<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">jest v28<\/ul>\n<h2>\u73af\u5883<\/h2>\n<p>Angular\u53ef\u4ee5\u901a\u8fc7\u4e0d\u540c\u7684\u73af\u5883\uff08\u4f8b\u5982\u672c\u5730\u3001\u751f\u4ea7\u73af\u5883\uff09\u6765\u5207\u6362\u53d8\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ src\/environment\/environment.{\u74b0\u5883}.ts<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">environment<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">production<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">foo<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">FOO<\/span><span class=\"dl\">\"<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<p>\u73af\u5883\u53ef\u4ee5\u901a\u8fc7\u4efb\u4f55\u7ec4\u4ef6\u6216\u670d\u52a1\u8fdb\u884c\u5f15\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Input<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@angular\/core<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">environment<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">src\/environments\/environment<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">dummy<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"p\">:<\/span> <span class=\"s2\">`{{ env }}`<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">DummyComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"p\">@<\/span><span class=\"nd\">Input<\/span><span class=\"p\">()<\/span> <span class=\"nx\">name<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nx\">env<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">;<\/span>\r\n\r\n  <span class=\"nf\">ngOnInit<\/span><span class=\"p\">():<\/span> <span class=\"k\">void<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">env<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">environment<\/span><span class=\"p\">[<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/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><span class=\"o\">&lt;<\/span><span class=\"nx\">dummy<\/span> <span class=\"nx\">name<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">foo<\/span><span class=\"dl\">\"<\/span><span class=\"o\">&gt;&lt;<\/span><span class=\"sr\">\/dummy<\/span><span class=\"err\">&gt;\r\n<\/span><span class=\"c1\">\/\/ \"FOO\" \u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b<\/span>\r\n<\/code><\/pre>\n<blockquote><p>Angular\u5e94\u7528\u7a0b\u5e8f\u7684\u6784\u5efa\u548c\u670d\u52a1 | angular.jp<\/p><\/blockquote>\n<h2>\u8003\u5bdf\u6d4b\u8bd5<\/h2>\n<p>\u6211\u601d\u8003\u4e86\u51e0\u79cd\u6d4b\u8bd5\u4e0a\u8ff0\u7ec4\u4ef6\u7684\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">environment \u3092\u53c2\u7167\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u5ba3\u8a00\u3057\u3066 DI \u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>\u3044\u304b\u306b\u3082\u30c6\u30b9\u30c8\u306e\u305f\u3081\u306e\u30b5\u30fc\u30d3\u30b9\u3068\u3044\u3046\u611f\u3058\u3067\u5197\u9577\u306a\u6c17\u304c\u3057\u305f<br \/>\n\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u304c\u5f37\u5236\u3067\u304d\u306a\u3044\u305f\u3081 environment \u3092 DI \u3057\u305f\u308a\u76f4\u63a5\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u305f\u308a\u3070\u3089\u3064\u304d\u304c\u51fa\u308b<\/p>\n<p>environment \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u304b\u3089\u4e0a\u66f8\u304d\u3059\u308b<\/p>\n<p>\u5225\u306e\u30c6\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3067\u518d\u5ea6 environment \u3092\u53c2\u7167\u3057\u305f\u6642\u306e\u5f71\u97ff\u5ea6\u304c\u898b\u3048\u306a\u3044\u306e\u3067\u6016\u3044<br \/>\n\u4e0a\u66f8\u304d\u7981\u6b62\u306e\u305f\u3081\u306b as const \u3057\u305f\u3089\u7834\u7dbb\u3059\u308b<\/p>\n<p>environment.test.ts \u3092\u8ffd\u52a0\u3057\u30c6\u30b9\u30c8\u74b0\u5883\u306e\u8a2d\u5b9a\u3092\u5207\u308a\u5206\u3051\u308b<\/p>\n<p>1 \u30d1\u30bf\u30fc\u30f3\u3057\u304b\u4f5c\u308c\u306a\u3044<\/p>\n<p>&#8230;&#8230;\u54ea\u4e00\u4e2a\u90fd\u4e0d\u592a\u597d\u3002<\/p>\n<h2>\u4f7f\u7528\u7684\u6d4b\u8bd5\u4ee3\u7801<\/h2>\n<p>\u7ed3\u679c\uff0c\u6211\u4eec\u51b3\u5b9a\u4f7f\u7528Jest\u7684\u6a21\u5757\u6a21\u62df\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=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@testing-library\/angular<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/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\/dom<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">DummyComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">src\/app\/dummy.component<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nx\">jest<\/span><span class=\"p\">.<\/span><span class=\"nf\">mock<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">src\/environments\/environment<\/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=\"na\">environment<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">foo<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">FOO<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">},<\/span>\r\n<span class=\"p\">}));<\/span>\r\n\r\n<span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">test1<\/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\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">foo\u306f\u5b58\u5728\u3059\u308b\u306e\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b<\/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=\"k\">await<\/span> <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"s2\">`&lt;dummy [name]=\"name\"&gt;&lt;\/dummy&gt;`<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">DummyComponent<\/span><span class=\"p\">],<\/span>\r\n      <span class=\"na\">componentProperties<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">foo<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">},<\/span>\r\n    <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=\"dl\">\"<\/span><span class=\"s2\">FOO<\/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\r\n  <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">bar\u306f\u5b58\u5728\u3057\u306a\u3044\u306e\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u306a\u3044<\/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=\"k\">await<\/span> <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"s2\">`&lt;dummy [name]=\"name\"&gt;&lt;\/dummy&gt;`<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">DummyComponent<\/span><span class=\"p\">],<\/span>\r\n      <span class=\"na\">componentProperties<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">bar<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">},<\/span>\r\n    <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\">queryByText<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">BAR<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)).<\/span><span class=\"nf\">toBeNull<\/span><span class=\"p\">();<\/span>\r\n  <span class=\"p\">});<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u91c7\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u5728\u53e6\u4e00\u4e2a\u6d4b\u8bd5\u6587\u4ef6\u4e2d\u51c6\u5907\u4e0d\u540c\u7684\u73af\u5883\u6a21\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">jest<\/span><span class=\"p\">.<\/span><span class=\"nf\">mock<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">src\/environments\/environment<\/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=\"na\">environment<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">bar<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">BAR<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">},<\/span>\r\n<span class=\"p\">}));<\/span>\r\n\r\n<span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">test2<\/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\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">foo<\/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=\"k\">await<\/span> <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"s2\">`&lt;dummy [name]=\"name\"&gt;&lt;\/dummy&gt;`<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">DummyComponent<\/span><span class=\"p\">],<\/span>\r\n      <span class=\"na\">componentProperties<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">foo<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">},<\/span>\r\n    <span class=\"p\">});<\/span>\r\n\r\n    <span class=\"c1\">\/\/ environment \u306b foo \u306f\u5b58\u5728\u3057\u306a\u3044<\/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=\"dl\">\"<\/span><span class=\"s2\">FOO<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)).<\/span><span class=\"nf\">toBeNull<\/span><span class=\"p\">();<\/span>\r\n  <span class=\"p\">});<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<blockquote><p>\u53c2\u8003\uff1aJest v28 \u4e2d\u7684\u6a21\u5757\u6a21\u62df\u7ed5\u8fc7\u529f\u80fd\u3002<\/p><\/blockquote>\n<p>\u867d\u7136\u5728\u540c\u4e00\u4e2a\u6587\u4ef6\u4e2d\u591a\u6b21\u8c03\u7528 jest.mock \u5e76\u4e0d\u662f\u6700\u4f73\u505a\u6cd5\uff0c\u4f46\u5728\u6211\u80fd\u60f3\u5230\u7684\u65b9\u6cd5\u4e2d\u4f3c\u4e4e\u662f\u6700\u597d\u7684\u9009\u62e9\u3002\u5982\u679c\u8fd8\u6709\u5176\u4ed6\u66f4\u597d\u7684\u65b9\u6cd5\uff0c\u6211\u60f3\u4e86\u89e3\u4e00\u4e0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u56e0\u4e3a\u5bf9\u5728\u73af\u5883\u4e2d\u58f0\u660e\u7684\u53d8\u91cf\u7684\u6d4b\u8bd5\u65b9\u6cd5\u611f\u5230\u56f0\u60d1\uff0c\u6240\u4ee5\u6211\u5c06\u5176\u8bb0\u4e0b\u6765\u4f5c\u4e3a\u5907\u5fd8\u3002 Angular v15 &nbsp;  [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39312","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) - 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