{"id":13193,"date":"2021-02-11T18:00:34","date_gmt":"2021-02-11T09:00:34","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=13193"},"modified":"2023-09-27T00:28:15","modified_gmt":"2023-09-26T15:28:15","slug":"%e3%80%90react%e3%80%91%e3%80%8creact-testing-library%e3%80%8d%e3%81%ae%e3%80%8c%e5%85%a5%e5%8a%9b%e3%83%86%e3%82%b9%e3%83%88%e3%80%8d","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=13193","title":{"rendered":"\u3010React\u3011\u300creact-testing-library\u300d\u306e\u300c\u5165\u529b\u30c6\u30b9\u30c8\u300d"},"content":{"rendered":"\n

\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u3078\u306e\u5165\u529b\u30c6\u30b9\u30c8<\/h2>\n\n\n\n

testing-library14\u304b\u3089\u306fuserevent\u306fsetup\u3092\u4e8b\u524d\u306b\u3059\u308b\u3088\u3046\u306b\u5909\u66f4\u306b\u306a\u308a\u975e\u540c\u671f\u95a2\u6570\u306b\u306a\u308a\u307e\u3057\u305f\u3002\uff0813\u307e\u3067\u306fsetup\u306f\u4e0d\u8981\u3067\u540c\u671f\u95a2\u6570\u3067\u3057\u305f\u3002\uff09<\/p>\n\n\n\n

import React from \"react\";\nimport { render, screen, cleanup } from \"@testing-library\/react\";\nimport userEvent from \"@testing-library\/user-event\";\nimport Input from \".\/Input\";\n\nconst user = userEvent.setup()\n\ndescribe(\"\u5165\u529b\", () => {\n  it(\"\u5165\u529b\u30c6\u30b9\u30c8\", () => {\n    render(<Input \/>);\n    const inputValue = screen. getByRole(\"textbox\");\n    await user.type(inputValue, \"test\");\n    expect(inputValue.value).toBe(\"test\");\n  });\n});\n<\/pre>\n\n\n\n
await user.type(inputValue, \"test\");<\/h3>\n\n\n\n
\u7b2c\u4e00\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306b\u5bfe\u3057\u3066\u7b2c\u4e8c\u5f15\u6570\u306e\u300ctest\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u3092\u5165\u529b\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3061\u306a\u307f\u306b\u3001\u300ctype\u300d\u3068\u306f\u578b\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30bf\u30a4\u30d4\u30f3\u30b0\u3059\u308b<\/strong><\/span>\u3068\u3044\u3046\u610f\u5473\u306etype\u3067\u3059\u3002<\/p>\n\n\n\n
expect(inputValue.value).toBe(\"test\");<\/h3>\n\n\n\n
toBe\u3068\u3044\u3046\u30de\u30c3\u30c1\u30e3\u3092\u4f7f\u3048\u3070\u5024\u306e\u4e00\u81f4\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u30bb\u30ec\u30af\u30c8\u30dc\u30c3\u30af\u30b9\u3078\u306e\u5165\u529b\u30c6\u30b9\u30c8<\/h2>\n\n\n\n
<select multiple id=\"id\u540d\">\n  \u3000<option value=\"1\">A<\/option>\n  \u3000<option value=\"2\">B<\/option>\n  \u3000<option value=\"3\">C<\/option>\n<\/select><\/pre>\n\n\n\n
\u30bb\u30ec\u30af\u30c8\u30dc\u30c3\u30af\u30b9\u3078\u306e\u5165\u529b\u306e\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
await user.selectOptions(screen.getByTestId('id\u540d'), 'option\u306evalue\u306e\u5024');\nexpect(screen.getByTestId('id\u540d').selected).toBe(true)<\/pre>\n\n\n\n
\u5165\u529b\u89e3\u9664<\/h3>\n\n\n\n
await user.deselectOptions(screen.getByRole('id\u540d'),'option\u306evalue\u306e\u5024')\nexpect(screen.getByTestId('id\u540d').selected).toBe(false)<\/pre>\n\n\n\n
\u5165\u529b\u5f8c\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u5916\u3059\u3002<\/h2>\n\n\n\n
await user.tab();<\/pre>\n","protected":false},"excerpt":{"rendered":"\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u3078\u306e\u5165\u529b\u30c6\u30b9\u30c8 testing-library14\u304b\u3089\u306fuserevent\u306fsetup\u3092\u4e8b\u524d\u306b\u3059\u308b\u3088\u3046\u306b\u5909\u66f4\u306b\u306a\u308a\u975e\u540c\u671f\u95a2\u6570\u306b\u306a\u308a\u307e\u3057\u305f\u3002\uff0813\u307e\u3067\u306fsetup\u306f\u4e0d\u8981\u3067\u540c\u671f\u95a2\u6570\u3067\u3057\u305f\u3002\uff09 import R […]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[116],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/13193"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13193"}],"version-history":[{"count":8,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/13193\/revisions"}],"predecessor-version":[{"id":23217,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/13193\/revisions\/23217"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13193"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}