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進化ã—ãŸJestã®ã‚¹ãƒŠãƒƒãƒ—ショット機能ã§Reactコンãƒãƒ¼ãƒãƒ³ãƒˆã‚’効率よãテストã™ã‚‹
「生ã¾ã‚Œå¤‰ã‚ã£ãŸFacebook製テストフレームワーク「Jestã€ã¨ã¯ä½•ã‹ï¼Ÿã€ã«ç¶šãã€ãƒ†ã‚¹ãƒˆãƒ•ãƒ¬ãƒ¼ãƒ ワーク「Jestã€ã‚’使ã£ãŸReactコンãƒãƒ¼ãƒãƒ³ãƒˆã®ãƒ†ã‚¹ãƒˆæ–¹æ³•ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã™ã€‚特ã«ã€ã‚¹ãƒŠãƒƒãƒ—ショットを使ã£ãŸãƒ†ã‚¹ãƒˆæ–¹æ³•ã¯å¿…èªã§ã™ã€‚ Reactコンãƒãƒ¼ãƒãƒ³ãƒˆã‚’テストã™ã‚‹ 注目ã™ã¹ãã¯ã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯Reactコンãƒãƒ¼ãƒãƒ³ãƒˆã«ã‚ã¾ã‚ŠãŸãã•ã‚“テストを記述ã—ã™ãŽãªã„æ–¹ãŒè‰¯ã„ã“ã¨ã§ã™ã€‚ビジãƒã‚¹ãƒã‚¸ãƒƒã‚¯ãªã©ã®ã‹ãªã‚Šå¾¹åº•çš„ã«ãƒ†ã‚¹ãƒˆã—ãŸã„ã‚‚ã®ã¯ã€å‰è¿°ã®ã‚¹ãƒ†ãƒ¼ãƒˆé–¢æ•°ã®ãƒ†ã‚¹ãƒˆã®ã‚ˆã†ã«ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã‹ã‚‰å¼•ã出ã—ã¦ç‹¬ç«‹ã—ãŸé–¢æ•°ã«ç½®ãã¹ãã§ã™ã€‚ ãã†ã¯è¨€ã£ã¦ã‚‚ã€Reactã®ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ã‚·ãƒ§ãƒ³ã‚’テストã™ã‚‹ã¨ãã«ã¯ä¾¿åˆ©ã§ã™ï¼ˆãŸã¨ãˆã°ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒãƒœã‚¿ãƒ³ã‚’クリックã—ãŸã¨ãã«ç‰¹å®šã®é–¢æ•°ãŒæ£ã—ã„引数ã§å‘¼ã³å‡ºã•ã‚Œã‚‹ã‹ç¢ºèªã™ã‚‹ãªã©ï¼‰ã€‚Reactコンãƒãƒ¼ãƒãƒ³ãƒˆãŒæ£ã—ã„データをレンダリングã—ã¦ã„ã‚‹ã‹ãƒ†ã‚¹ãƒˆã™ã‚‹ã“ã¨ã‹ã‚‰å§‹ã‚ã€ãã®ã‚ã¨ãƒ†ã‚¹
Jest 20: 💖 Delightful Testing & ðŸƒðŸ½ Multi-Project-Runner · Jest
A few months ago we announced Jest 19 which came with major new features and was the biggest Jest release until today. Jest 20 has twice the amount of changes compared to the previous version, features a complete rewrite of the test runner, adds new testing APIs. The new release enables a new level of customization and configuration for projects all while making it effortless to upgrade. Beyond Pa
Facebook製ã®JavaScriptテストツール「Jestã€ã®é€†å¼•ã使用例 - Qiita
#ã¯ã˜ã‚ã« ã¿ãªã•ã‚“ã€æ—¥é ƒJavaScriptã®ãƒ†ã‚¹ãƒˆã¯ã©ã®ã‚ˆã†ã«è¡Œã£ã¦ã„ã¾ã™ã‹ï¼Ÿ 昨今ã§ã¯AngularJSã‚„ReactJSを始ã‚ã€JavaScriptã®ãƒ•ãƒ¬ãƒ¼ãƒ ワークやライブラリを使用ã—ã¦ã®ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã®é–‹ç™ºãŒå½“ãŸã‚Šå‰ã®ã‚ˆã†ã«ãªã£ã¦ãã¦ãŠã‚Šã¾ã™ã€‚ ã§ã¯ãã®ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã€JavaScriptã®ãƒ†ã‚¹ãƒˆã¯ã©ã‚“ãªãƒ„ールを使ã£ã¦ã„ã¾ã™ã‹ï¼Ÿ mochaã‚„power-assertã€chaiã€Karmaã€Jasmineç‰ã‚’組ã¿åˆã‚ã›ã¦ä½¿ç”¨ã—ã¦ãƒ†ã‚¹ãƒˆã—ã¦ã„ã‚‹ã§ã—ょã†ã‹ã€‚ å‰ç½®ããŒå°‘ã—é•·ããªã‚Šã¾ã—ãŸãŒã€FacebookãŒé–‹ç™ºã—ãŸã‚ªãƒ¼ãƒ«ã‚¤ãƒ³ãƒ¯ãƒ³ãªã€ŒJestã€ã¨ã„ã†ãƒ„ールã®Reactã§ã®Howtoçš„ãªä½¿ã„æ–¹ã‹ã‚‰å®Ÿéš›ã®ãƒ†ã‚¹ãƒˆã§ã®ä½¿ç”¨ä¾‹ã‚’交ãˆã¦ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¡ãªã¿ã«ã“ã®Jestã€æœ€è¿‘リリースã•ã‚Œã¦è©±é¡Œã«ãªã£ãŸãƒ‘ッケージ管ç†ã®Yarnã§ã‚‚使ã‚ã‚Œã¦ã„ã¾ã™ã€‚ #対象ãƒãƒ¼ã‚¸ãƒ§ãƒ³ Jest:22.0.4 Re
Testing React Native and Redux
Test driven development is essential for any project. In my experience I’ve delayed on delivery several times because I relied on manual testing, so it’s very important that there’s adequate level of understanding of what it takes to test a framework. The ComponentThe ComponentThe component allows users punch in pass codes to login. It needs to: Keep track of all the keys.Clear all the keys.Send t
Reactã®ãƒ†ã‚¹ãƒˆã‚’ mocha + nyc ã‹ã‚‰ Jestã«ã—ã¦ã¿ã‚‹ - Qiita
{ "test": "NODE_ENV=test mocha test/", "coverage": "nyc -c npm test" } /srcã«ã‚½ãƒ¼ã‚¹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒª /testã«ãƒ†ã‚¹ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒª MISC jsdom-global使ã£ã¦è‰²ã€…å°ç´°å·¥ã—ã¦ã„ãŸã€‚ mocha -> jestã«ã™ã‚‹ãƒ¢ãƒãƒ™ãƒ¼ã‚·ãƒ§ãƒ³ èˆˆå‘³æœ¬ä½ JestãŒv15.0.0ã§Automockingã‚’æ¨ã¦ã¦æœ¬æ°—を出ã—ã¦ããŸã®ã§ã¡ã‚‡ã£ã¨ä½¿ã£ã¦ã¿ãŸã‹ã£ãŸæ°—æŒã¡ Railsプãƒã‚¸ã‚§ã‚¯ãƒˆã«javascriptプãƒã‚¸ã‚§ã‚¯ãƒˆã‚’æ··ãœã‚ˆã†ã¨ã—ãŸã¨ãã€mochaã®ãƒ†ã‚¹ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«æ‚©ã‚“ã§ã—ã¾ã†ãらã„ãªã‚‰ã€Jestã®ãƒ†ã‚¹ãƒˆãƒ•ã§ã‚„ã£ã¦ã¿ã‚ˆã†ã‹ã¨æ€ã£ãŸ jestã§ã¯ã€/srcãªã©ã®ã‚³ãƒ¼ãƒ‰ã«å¯¾ã—ã¦ã€/src/__tests__ã¨ã„ã†ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’作るã‹ã€some.test.jsã¨ã„ã†åå‰ã‚’ã¤ã‘ã‚‹ã®ãŒãƒ‡ãƒ•ã‚©ãƒ«ãƒˆè¨å®šã«ãªã£ã¦ã„る。 mochaã§ã‚‚
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GitHub - americanexpress/jest-image-snapshot: ✨ Jest matcher for image comparisons. Most commonly used for visual regression testing.
Testing React Native With the New Jest — Part II | {callstack}
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