{"id":9749,"date":"2026-06-05T10:14:52","date_gmt":"2026-06-05T01:14:52","guid":{"rendered":"https:\/\/fastcoding.jp\/blog\/?p=9749"},"modified":"2026-06-05T10:14:59","modified_gmt":"2026-06-05T01:14:59","slug":"ai-test-design-vs-generation","status":"publish","type":"post","link":"https:\/\/fastcoding.jp\/blog\/all\/frontend\/ai-test-design-vs-generation\/","title":{"rendered":"AI\u99c6\u52d5\u30c6\u30b9\u30c8\u751f\u6210\uff1aReact Testing Library\u306e\u30c6\u30b9\u30c8\u3092\u81ea\u52d5\u3067\u66f8\u304f\u65b9\u6cd5"},"content":{"rendered":"
\n

\u3053\u3093\u306b\u3061\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u72ec\u8eab\u8cb4\u65cfFire\u3067\u3059\u3002<\/p>\n\n\n\n

\u6700\u8fd1\u3001\u30ae\u30bf\u30fc\u306e\u7df4\u7fd2\u3067\u9332\u97f3\u3057\u305f\u81ea\u5206\u306e\u6f14\u594f\u3092\u8074\u304d\u8fd4\u3059\u7fd2\u6163\u3092\u3064\u3051\u3066\u3044\u308b\u3093\u3067\u3059\u3002\u5f3e\u3044\u3066\u3044\u308b\u3068\u304d\u306f\u300c\u3044\u3044\u611f\u3058\u300d\u3068\u601d\u3063\u3066\u3044\u3066\u3082\u3001\u9332\u97f3\u3092\u8074\u304f\u3068\u300c\u3053\u3053\u306e\u30ea\u30ba\u30e0\u3001\u5fae\u5999\u306b\u30ba\u30ec\u3066\u308b\u306a\u300d\u300c\u3053\u306e\u30b3\u30fc\u30c9\u3001\u30df\u30e5\u30fc\u30c8\u304c\u7518\u3044\u300d\u3068\u6c17\u3065\u304f\u3053\u3068\u3070\u304b\u308a\u3002\u5ba2\u89b3\u7684\u306a\u30c1\u30a7\u30c3\u30af\u3063\u3066\u5927\u4e8b\u3067\u3059\u3002<\/p>\n\n\n\n

\u30b3\u30fc\u30c9\u3082\u540c\u3058\u3067\u3059\u3088\u306d\u3002\u81ea\u5206\u3067\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u306f\u300c\u52d5\u3044\u3066\u308b\u304b\u3089\u5927\u4e08\u592b\u300d\u3068\u601d\u3044\u304c\u3061\u3067\u3059\u304c\u3001\u30c6\u30b9\u30c8\u3092\u66f8\u3044\u3066\u307f\u308b\u3068\u60f3\u5b9a\u5916\u306e\u6319\u52d5\u306b\u6c17\u3065\u304d\u307e\u3059\u3002<\/small><\/p>\n\n\n\n

\u30c6\u30b9\u30c8\u306e\u91cd\u8981\u6027\u306f\u8ab0\u3082\u304c\u8a8d\u3081\u308b\u3068\u3053\u308d\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u66f8\u304f\u6642\u9593\u304c\u53d6\u308c\u306a\u3044\u306e\u304c\u73fe\u5834\u306e\u672c\u97f3\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u300c\u6a5f\u80fd\u306e\u5b9f\u88c5\u3060\u3051\u3067\u624b\u4e00\u676f\u3067\u3001\u30c6\u30b9\u30c8\u307e\u3067\u624b\u304c\u56de\u3089\u306a\u3044\u300d\u300c\u30c6\u30b9\u30c8\u3092\u66f8\u304d\u59cb\u3081\u305f\u3051\u3069\u3001\u4f55\u3092\u30c6\u30b9\u30c8\u3059\u3079\u304d\u304b\u306e\u8a2d\u8a08\u3067\u60a9\u3093\u3067\u624b\u304c\u6b62\u307e\u308b\u300d\u2014\u2014\u3053\u3046\u3044\u3046\u58f0\u306f\u672c\u5f53\u306b\u3088\u304f\u805e\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u3053\u3053\u3067AI\u99c6\u52d5\u958b\u767a\u306e\u51fa\u756a\u3067\u3059\u3002AI\u306bReact\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b3\u30fc\u30c9\u3092\u6e21\u3057\u3066\u300c\u30c6\u30b9\u30c8\u3092\u66f8\u3044\u3066\u300d\u3068\u983c\u3081\u3070\u3001\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u304c\u4e00\u77ac\u3067\u51fa\u3066\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001AI\u304c\u66f8\u3044\u305f\u30c6\u30b9\u30c8\u306b\u306f\u7279\u6709\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u9ad8\u3044\u304c\u3001\u30c6\u30b9\u30c8\u306e\u610f\u56f3\u304c\u8584\u3044<\/strong>\u306e\u3067\u3059\u3002<\/p>\n\n\n\n

\u4eca\u56de\u306f\u3001AI\u306b\u30c6\u30b9\u30c8\u3092\u66f8\u304b\u305b\u308b2\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u300c\u30b3\u30fc\u30c9\u3092\u6e21\u3057\u3066\u4e38\u6295\u3052\u300d\u3068\u300c\u30c6\u30b9\u30c8\u8a2d\u8a08\u3092\u4eba\u9593\u304c\u3057\u305f\u4e0a\u3067AI\u306b\u5b9f\u88c5\u3055\u305b\u308b\u300d\u306e\u9055\u3044\u3092\u3001\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u3067\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h2>\n\n\n\n

\u30c6\u30b9\u30c8\u5bfe\u8c61\u306f\u3001\u524d\u56de\u306e\u8a18\u4e8b\u3067\u4f5c\u6210\u3057\u305f\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30d5\u30c3\u30af\u3067\u3059\u3002<\/p>\n\n\n\n

\/\/ \u30c6\u30b9\u30c8\u5bfe\u8c61\uff1auseFormValidation.ts\uff08\u7c21\u7565\u7248\uff09\nimport { useState, useCallback, useRef } from 'react';\n\ntype ValidationRule = {\n  required?: boolean;\n  minLength?: number;\n  pattern?: RegExp;\n  message?: string;\n};\n\ntype FieldConfig = Record<string, ValidationRule>;\n\nexport function useFormValidation(\n  config: FieldConfig,\n  initialValues: Record<string, string> = {}\n) {\n  const [values, setValues] = useState(initialValues);\n  const [errors, setErrors] = useState<Record<string, string>>({});\n  const [touched, setTouched] = useState<Record<string, boolean>>({});\n  const configRef = useRef(config);\n  configRef.current = config;\n\n  const validate = useCallback((name: string, value: string) => {\n    const rules = configRef.current[name];\n    if (!rules) return null;\n    if (rules.required && !value.trim()) return rules.message || '\u5fc5\u9808\u9805\u76ee\u3067\u3059';\n    if (rules.minLength && value.length < rules.minLength)\n      return `${rules.minLength}\u6587\u5b57\u4ee5\u4e0a\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044`;\n    if (rules.pattern && !rules.pattern.test(value))\n      return rules.message || '\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093';\n    return null;\n  }, []);\n\n  const handleChange = useCallback((name: string, value: string) => {\n    setValues(prev => ({ ...prev, [name]: value }));\n    setTouched(prev => ({ ...prev, [name]: true }));\n    const error = validate(name, value);\n    setErrors(prev => ({ ...prev, [name]: error || '' }));\n  }, [validate]);\n\n  const handleBlur = useCallback((name: string) => {\n    setTouched(prev => ({ ...prev, [name]: true }));\n    const error = validate(name, values[name] || '');\n    setErrors(prev => ({ ...prev, [name]: error || '' }));\n  }, [validate, values]);\n\n  const handleSubmit = useCallback((onSubmit: (v: Record<string, string>) => void) => {\n    const allTouched: Record<string, boolean> = {};\n    const newErrors: Record<string, string> = {};\n    Object.keys(configRef.current).forEach(name => {\n      allTouched[name] = true;\n      const error = validate(name, values[name] || '');\n      if (error) newErrors[name] = error;\n    });\n    setTouched(allTouched);\n    setErrors(newErrors);\n    if (Object.keys(newErrors).length === 0) onSubmit(values);\n  }, [validate, values]);\n\n  const reset = useCallback(() => {\n    setValues(initialValues);\n    setErrors({});\n    setTouched({});\n  }, [initialValues]);\n\n  const getFieldError = useCallback((name: string) => {\n    return touched[name] ? errors[name] || '' : '';\n  }, [touched, errors]);\n\n  return { values, errors, touched, handleChange, handleBlur, handleSubmit, reset, getFieldError };\n}<\/code><\/pre>\n\n\n\n
\u30a2\u30d7\u30ed\u30fc\u30c11\uff1aAI\u306b\u4e38\u6295\u3052<\/h2>\n\n\n\n
\u307e\u305a\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092Claude\u306b\u305d\u306e\u307e\u307e\u6e21\u3057\u3066\u300cReact Testing Library\u3067\u30c6\u30b9\u30c8\u3092\u66f8\u3044\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u3060\u3051\u805e\u3044\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
AI\u304c\u51fa\u3057\u305f\u30c6\u30b9\u30c8\uff08\u4e38\u6295\u3052\u7248\uff09<\/h3>\n\n\n\n
\/\/ AI\u304c\u51fa\u3057\u305f\u4e38\u6295\u3052\u7248\u30c6\u30b9\u30c8\nimport { renderHook, act } from '@testing-library\/react';\nimport { useFormValidation } from '.\/useFormValidation';\n\ndescribe('useFormValidation', () => {\n  const config = {\n    name: { required: true, minLength: 2 },\n    email: { required: true, pattern: \/^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$\/ },\n  };\n\n  test('\u521d\u671f\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u308b', () => {\n    const { result } = renderHook(() =>\n      useFormValidation(config, { name: '\u30c6\u30b9\u30c8', email: '' })\n    );\n    expect(result.current.values.name).toBe('\u30c6\u30b9\u30c8');\n  });\n\n  test('handleChange\u3067\u5024\u304c\u66f4\u65b0\u3055\u308c\u308b', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    act(() => { result.current.handleChange('name', '\u5c71\u7530'); });\n    expect(result.current.values.name).toBe('\u5c71\u7530');\n  });\n\n  test('handleChange\u3067touched\u304ctrue\u306b\u306a\u308b', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    act(() => { result.current.handleChange('name', '\u5c71\u7530'); });\n    expect(result.current.touched.name).toBe(true);\n  });\n\n  test('\u5fc5\u9808\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u52d5\u4f5c\u3059\u308b', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    act(() => { result.current.handleChange('name', ''); });\n    expect(result.current.errors.name).toBe('\u5fc5\u9808\u9805\u76ee\u3067\u3059');\n  });\n\n  test('minLength\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u52d5\u4f5c\u3059\u308b', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    act(() => { result.current.handleChange('name', '\u3042'); });\n    expect(result.current.errors.name).toBe('2\u6587\u5b57\u4ee5\u4e0a\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044');\n  });\n\n  test('pattern\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u52d5\u4f5c\u3059\u308b', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    act(() => { result.current.handleChange('email', 'invalid'); });\n    expect(result.current.errors.email).toBe('\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093');\n  });\n\n  test('\u6b63\u3057\u3044\u5024\u3067\u30a8\u30e9\u30fc\u304c\u30af\u30ea\u30a2\u3055\u308c\u308b', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    act(() => { result.current.handleChange('name', ''); });\n    expect(result.current.errors.name).toBe('\u5fc5\u9808\u9805\u76ee\u3067\u3059');\n    act(() => { result.current.handleChange('name', '\u5c71\u7530\u592a\u90ce'); });\n    expect(result.current.errors.name).toBe('');\n  });\n\n  test('handleSubmit\u3067\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30a8\u30e9\u30fc\u304c\u3042\u308c\u3070\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u547c\u3070\u308c\u306a\u3044', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    const onSubmit = jest.fn();\n    act(() => { result.current.handleSubmit(onSubmit); });\n    expect(onSubmit).not.toHaveBeenCalled();\n  });\n\n  test('handleSubmit\u3067\u5168\u30d5\u30a3\u30fc\u30eb\u30c9\u304ctouched\u306b\u306a\u308b', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    act(() => { result.current.handleSubmit(() => {}); });\n    expect(result.current.touched.name).toBe(true);\n    expect(result.current.touched.email).toBe(true);\n  });\n\n  test('reset\u3067\u521d\u671f\u72b6\u614b\u306b\u623b\u308b', () => {\n    const { result } = renderHook(() =>\n      useFormValidation(config, { name: '', email: '' })\n    );\n    act(() => { result.current.handleChange('name', '\u5c71\u7530'); });\n    act(() => { result.current.reset(); });\n    expect(result.current.values.name).toBe('');\n    expect(result.current.touched.name).toBeUndefined();\n  });\n\n  test('getFieldError\u306f\u672a\u30bf\u30c3\u30c1\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u306f\u7a7a\u6587\u5b57\u3092\u8fd4\u3059', () => {\n    const { result } = renderHook(() => useFormValidation(config));\n    expect(result.current.getFieldError('name')).toBe('');\n  });\n});<\/code><\/pre>\n\n\n\n
\u4e38\u6295\u3052\u7248\u306e\u554f\u984c<\/h3>\n\n\n\n
\u30c6\u30b9\u30c8\u306f11\u500b\u3042\u308a\u3001\u5168\u90e8\u30d1\u30b9\u3057\u307e\u3059\u3002\u30ab\u30d0\u30ec\u30c3\u30b8\u3082\u9ad8\u3044\u3002\u3067\u306f\u3053\u306e\u30c6\u30b9\u30c8\u3001\u4f55\u304c\u554f\u984c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n
1. \u30c6\u30b9\u30c8\u304c\u300c\u5b9f\u88c5\u306e\u78ba\u8a8d\u300d\u306b\u306a\u3063\u3066\u3044\u308b<\/strong>
handleChange\u3067\u5024\u304c\u66f4\u65b0\u3055\u308c\u308b<\/code>\u3001handleChange\u3067touched\u304ctrue\u306b\u306a\u308b<\/code>\u2014\u2014\u3053\u308c\u3089\u306f\u5185\u90e8\u5b9f\u88c5\u306e\u52d5\u4f5c\u78ba\u8a8d\u3067\u3042\u3063\u3066\u3001\u300c\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u4f55\u304c\u8d77\u304d\u308b\u304b\u300d\u306e\u30c6\u30b9\u30c8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u88c5\u3092\u5909\u66f4\u3057\u305f\u3089\u30c6\u30b9\u30c8\u3082\u58ca\u308c\u308b\u3001\u3082\u308d\u3044\u30c6\u30b9\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n
2. \u30b7\u30ca\u30ea\u30aa\u304c\u65ad\u7247\u7684<\/strong>
\u500b\u3005\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5358\u4f53\u30c6\u30b9\u30c8\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u300c\u30e6\u30fc\u30b6\u30fc\u304c\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u3057\u3066\u9001\u4fe1\u3059\u308b\u300d\u3068\u3044\u3046\u4e00\u9023\u306e\u6d41\u308c\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u30d0\u30a4\u30af\u306e\u6574\u5099\u70b9\u691c\u3067\u8a00\u3048\u3070\u3001\u300c\u30a8\u30f3\u30b8\u30f3\u306f\u56de\u308b\u300d\u300c\u30bf\u30a4\u30e4\u306f\u56de\u308b\u300d\u300c\u30d6\u30ec\u30fc\u30ad\u306f\u52b9\u304f\u300d\u3068\u500b\u5225\u306b\u78ba\u8a8d\u3057\u3066\u3044\u308b\u306e\u306b\u3001\u300c\u5b9f\u969b\u306b\u8d70\u3063\u3066\u307f\u308b\u300d\u30c6\u30b9\u30c8\u304c\u306a\u3044\u72b6\u614b\u3067\u3059\u3002<\/p>\n\n\n\n
3. \u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u306e\u8003\u616e\u304c\u6d45\u3044<\/strong>
\u7a7a\u767d\u306e\u307f\u306e\u5165\u529b\uff08\"   \"<\/code>\uff09\u3001config\u306b\u5b58\u5728\u3057\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u3078\u306e\u64cd\u4f5c\u3001handleBlur\u306e\u52d5\u4f5c\u306a\u3069\u3001\u5b9f\u969b\u306e\u30d5\u30a9\u30fc\u30e0\u3067\u8d77\u304d\u305d\u3046\u306a\u30b1\u30fc\u30b9\u304c\u629c\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u30a2\u30d7\u30ed\u30fc\u30c12\uff1a\u30c6\u30b9\u30c8\u8a2d\u8a08\u3092\u4eba\u9593\u304c\u3057\u3066\u304b\u3089AI\u306b\u5b9f\u88c5\u3055\u305b\u308b<\/h2>\n\n\n\n
\u6b21\u306b\u3001\u30c6\u30b9\u30c8\u306e\u8a2d\u8a08\uff08\u4f55\u3092\u30c6\u30b9\u30c8\u3059\u308b\u304b\uff09\u306f\u4eba\u9593\u304c\u6c7a\u3081\u3001\u5b9f\u88c5\uff08\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\uff09\u306fAI\u306b\u66f8\u304b\u305b\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u8a66\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u30c6\u30b9\u30c8\u8a2d\u8a08\u66f8\uff08\u4eba\u9593\u304c\u4f5c\u6210\uff09<\/h3>\n\n\n\n
Claude\u306b\u4ee5\u4e0b\u306e\u30c6\u30b9\u30c8\u8a2d\u8a08\u66f8\u3092\u6e21\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306e\u30c6\u30b9\u30c8\u8a2d\u8a08\u66f8\u306b\u57fa\u3065\u3044\u3066\u3001React Testing Library\u3067\u30c6\u30b9\u30c8\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002\n\n\u3010\u30c6\u30b9\u30c8\u5bfe\u8c61\u3011useFormValidation \u30ab\u30b9\u30bf\u30e0\u30d5\u30c3\u30af\n\n\u3010\u30c6\u30b9\u30c8\u30b0\u30eb\u30fc\u30d71\uff1a\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u30d5\u30ed\u30fc\u3011\n- \u30e6\u30fc\u30b6\u30fc\u304c\u540d\u524d\u3092\u5165\u529b\u3057\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u5916\u3059\u3068\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\n- \u30e6\u30fc\u30b6\u30fc\u304c\u30e1\u30fc\u30eb\u6b04\u306b\u4e0d\u6b63\u306a\u5024\u3092\u5165\u529b\u3059\u308b\u3068\u5373\u5ea7\u306b\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\n- \u30e6\u30fc\u30b6\u30fc\u304c\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6d88\u3048\u308b\n\n\u3010\u30c6\u30b9\u30c8\u30b0\u30eb\u30fc\u30d72\uff1a\u9001\u4fe1\u30d5\u30ed\u30fc\u3011\n- \u5168\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u6b63\u3057\u3044\u72b6\u614b\u3067\u9001\u4fe1\u3059\u308b\u3068\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u547c\u3070\u308c\u308b\n- 1\u3064\u3067\u3082\u30a8\u30e9\u30fc\u304c\u3042\u308b\u72b6\u614b\u3067\u9001\u4fe1\u3059\u308b\u3068\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u547c\u3070\u308c\u305a\u3001\u5168\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\n- \u9001\u4fe1\u6642\u3001\u672a\u30bf\u30c3\u30c1\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3082\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\uff08\u5168\u30d5\u30a3\u30fc\u30eb\u30c9\u304ctouched\u306b\u306a\u308b\uff09\n\n\u3010\u30c6\u30b9\u30c8\u30b0\u30eb\u30fc\u30d73\uff1a\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u3011\n- \u7a7a\u767d\u306e\u307f\u306e\u5165\u529b\u306f\u5fc5\u9808\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306b\u5f15\u3063\u304b\u304b\u308b\n- config\u306b\u5b58\u5728\u3057\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u3067\u64cd\u4f5c\u3057\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044\n- \u30ea\u30bb\u30c3\u30c8\u5f8c\u306b\u518d\u5165\u529b\u2192\u518d\u9001\u4fe1\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\n- \u521d\u671f\u5024\u4ed8\u304d\u3067\u521d\u671f\u5316\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u5024\u304cvalues\u306b\u53cd\u6620\u3055\u308c\u308b<\/code><\/pre>\n\n\n\n
AI\u304c\u51fa\u3057\u305f\u30c6\u30b9\u30c8\uff08\u8a2d\u8a08\u66f8\u30d9\u30fc\u30b9\u7248\uff09<\/h3>\n\n\n\n
\/\/ \u8a2d\u8a08\u66f8\u30d9\u30fc\u30b9\u7248\u30c6\u30b9\u30c8\nimport { renderHook, act } from '@testing-library\/react';\nimport { useFormValidation } from '.\/useFormValidation';\n\nconst config = {\n  name: { required: true, minLength: 2 },\n  email: {\n    required: true,\n    pattern: \/^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$\/,\n    message: '\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093',\n  },\n};\n\ndescribe('useFormValidation', () => {\n  describe('\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u30d5\u30ed\u30fc', () => {\n    test('\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u5916\u3059\u3068\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b', () => {\n      const { result } = renderHook(() => useFormValidation(config));\n\n      \/\/ \u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u5916\u3059\uff08blur\uff09\n      act(() => { result.current.handleBlur('name'); });\n\n      \/\/ \u672a\u5165\u529b\u306a\u306e\u3067\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\n      expect(result.current.getFieldError('name')).toBe('\u5fc5\u9808\u9805\u76ee\u3067\u3059');\n    });\n\n    test('\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3059\u308b\u3068\u5373\u5ea7\u306b\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b', () => {\n      const { result } = renderHook(() => useFormValidation(config));\n\n      act(() => { result.current.handleChange('email', 'not-an-email'); });\n\n      expect(result.current.getFieldError('email'))\n        .toBe('\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093');\n    });\n\n    test('\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3059\u308b\u3068\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6d88\u3048\u308b', () => {\n      const { result } = renderHook(() => useFormValidation(config));\n\n      \/\/ \u30a8\u30e9\u30fc\u3092\u51fa\u3059\n      act(() => { result.current.handleChange('email', 'bad'); });\n      expect(result.current.getFieldError('email')).not.toBe('');\n\n      \/\/ \u6b63\u3057\u3044\u5024\u306b\u4fee\u6b63\n      act(() => { result.current.handleChange('email', 'test@example.com'); });\n      expect(result.current.getFieldError('email')).toBe('');\n    });\n  });\n\n  describe('\u9001\u4fe1\u30d5\u30ed\u30fc', () => {\n    test('\u5168\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u6b63\u3057\u3044\u72b6\u614b\u3067\u9001\u4fe1\u3059\u308b\u3068\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u547c\u3070\u308c\u308b', () => {\n      const { result } = renderHook(() => useFormValidation(config));\n      const onSubmit = jest.fn();\n\n      act(() => { result.current.handleChange('name', '\u5c71\u7530\u592a\u90ce'); });\n      act(() => { result.current.handleChange('email', 'yamada@example.com'); });\n      act(() => { result.current.handleSubmit(onSubmit); });\n\n      expect(onSubmit).toHaveBeenCalledWith({\n        name: '\u5c71\u7530\u592a\u90ce',\n        email: 'yamada@example.com',\n      });\n    });\n\n    test('\u30a8\u30e9\u30fc\u304c\u3042\u308b\u72b6\u614b\u3067\u9001\u4fe1\u3059\u308b\u3068\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u547c\u3070\u308c\u305a\u5168\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b', () => {\n      const { result } = renderHook(() => useFormValidation(config));\n      const onSubmit = jest.fn();\n\n      act(() => { result.current.handleChange('name', '\u5c71\u7530\u592a\u90ce'); });\n      \/\/ email\u306f\u672a\u5165\u529b\u306e\u307e\u307e\n      act(() => { result.current.handleSubmit(onSubmit); });\n\n      expect(onSubmit).not.toHaveBeenCalled();\n      expect(result.current.getFieldError('email')).toBe('\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093');\n    });\n\n    test('\u9001\u4fe1\u6642\u306b\u672a\u30bf\u30c3\u30c1\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3082\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b', () => {\n      const { result } = renderHook(() => useFormValidation(config));\n\n      \/\/ \u4f55\u3082\u5165\u529b\u305b\u305a\u306b\u9001\u4fe1\n      act(() => { result.current.handleSubmit(() => {}); });\n\n      \/\/ \u4e21\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u3082touched\u306b\u306a\u308a\u3001\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\n      expect(result.current.getFieldError('name')).toBe('\u5fc5\u9808\u9805\u76ee\u3067\u3059');\n      expect(result.current.getFieldError('email')).toBe('\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093');\n    });\n  });\n\n  describe('\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9', () => {\n    test('\u7a7a\u767d\u306e\u307f\u306e\u5165\u529b\u306f\u5fc5\u9808\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306b\u5f15\u3063\u304b\u304b\u308b', () => {\n      const { result } = renderHook(() => useFormValidation(config));\n\n      act(() => { result.current.handleChange('name', '   '); });\n\n      expect(result.current.getFieldError('name')).toBe('\u5fc5\u9808\u9805\u76ee\u3067\u3059');\n    });\n\n    test('config\u306b\u5b58\u5728\u3057\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u3067\u64cd\u4f5c\u3057\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044', () => {\n      const { result } = renderHook(() => useFormValidation(config));\n\n      act(() => { result.current.handleChange('unknown', 'value'); });\n\n      expect(result.current.values.unknown).toBe('value');\n      expect(result.current.getFieldError('unknown')).toBe('');\n    });\n\n    test('\u30ea\u30bb\u30c3\u30c8\u5f8c\u306b\u518d\u5165\u529b\u2192\u518d\u9001\u4fe1\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b', () => {\n      const { result } = renderHook(() =>\n        useFormValidation(config, { name: '', email: '' })\n      );\n      const onSubmit = jest.fn();\n\n      \/\/ \u5165\u529b\u2192\u9001\u4fe1\n      act(() => { result.current.handleChange('name', '\u5c71\u7530\u592a\u90ce'); });\n      act(() => { result.current.handleChange('email', 'test@example.com'); });\n      act(() => { result.current.handleSubmit(onSubmit); });\n      expect(onSubmit).toHaveBeenCalledTimes(1);\n\n      \/\/ \u30ea\u30bb\u30c3\u30c8\n      act(() => { result.current.reset(); });\n      expect(result.current.values.name).toBe('');\n\n      \/\/ \u518d\u5165\u529b\u2192\u518d\u9001\u4fe1\n      act(() => { result.current.handleChange('name', '\u9234\u6728\u82b1\u5b50'); });\n      act(() => { result.current.handleChange('email', 'suzuki@example.com'); });\n      act(() => { result.current.handleSubmit(onSubmit); });\n      expect(onSubmit).toHaveBeenCalledTimes(2);\n      expect(onSubmit).toHaveBeenLastCalledWith({\n        name: '\u9234\u6728\u82b1\u5b50',\n        email: 'suzuki@example.com',\n      });\n    });\n\n    test('\u521d\u671f\u5024\u4ed8\u304d\u3067\u521d\u671f\u5316\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u5024\u304cvalues\u306b\u53cd\u6620\u3055\u308c\u308b', () => {\n      const { result } = renderHook(() =>\n        useFormValidation(config, { name: '\u521d\u671f\u5024', email: 'init@example.com' })\n      );\n\n      expect(result.current.values.name).toBe('\u521d\u671f\u5024');\n      expect(result.current.values.email).toBe('init@example.com');\n    });\n  });\n});<\/code><\/pre>\n\n\n\n
2\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3059\u308b<\/h2>\n\n\n\n
\u89b3\u70b9<\/th>\u4e38\u6295\u3052\u7248<\/th>\u8a2d\u8a08\u66f8\u30d9\u30fc\u30b9\u7248<\/th><\/tr><\/thead>
\u30c6\u30b9\u30c8\u6570<\/td>11<\/td>10<\/td><\/tr>
\u30c6\u30b9\u30c8\u306e\u5358\u4f4d<\/td>\u30e1\u30bd\u30c3\u30c9\u5358\u4f4d<\/td>\u30e6\u30fc\u30b6\u30fc\u884c\u52d5\u5358\u4f4d<\/td><\/tr>
\u30c6\u30b9\u30c8\u540d<\/td>\u5b9f\u88c5\u7528\u8a9e\uff08handleChange, touched\uff09<\/td>\u30e6\u30fc\u30b6\u30fc\u884c\u52d5\uff08\u5165\u529b\u2192\u30a8\u30e9\u30fc\u8868\u793a\uff09<\/td><\/tr>
\u30b7\u30ca\u30ea\u30aa<\/td>\u65ad\u7247\u7684<\/td>\u4e00\u9023\u306e\u6d41\u308c<\/td><\/tr>
\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9<\/td>\u5c11\u306a\u3044<\/td>\u7a7a\u767d\u5165\u529b\u3001\u672a\u77e5\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30ea\u30bb\u30c3\u30c8\u5f8c\u518d\u9001\u4fe1<\/td><\/tr>
\u58ca\u308c\u3084\u3059\u3055<\/td>\u5b9f\u88c5\u5909\u66f4\u3067\u58ca\u308c\u308b<\/td>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u5909\u308f\u3089\u306a\u3051\u308c\u3070\u58ca\u308c\u306a\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u6570\u3060\u3051\u898b\u308b\u3068\u5927\u5dee\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30c6\u30b9\u30c8\u306e\u300c\u8cea\u300d\u304c\u307e\u3063\u305f\u304f\u9055\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e38\u6295\u3052\u7248\u306f\u300c\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3093\u3060\u3089\u3053\u306e\u72b6\u614b\u306b\u306a\u308b\u300d\u3068\u3044\u3046\u78ba\u8a8d\u3067\u3059\u3002\u5b9f\u88c5\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3092\u3059\u308b\u3068\u30c6\u30b9\u30c8\u3082\u66f8\u304d\u76f4\u3057\u306b\u306a\u308a\u307e\u3059\u3002\u8a2d\u8a08\u66f8\u30d9\u30fc\u30b9\u7248\u306f\u300c\u30e6\u30fc\u30b6\u30fc\u304c\u3053\u3046\u64cd\u4f5c\u3057\u305f\u3089\u3053\u3046\u306a\u308b\u300d\u3068\u3044\u3046\u78ba\u8a8d\u3067\u3059\u3002\u5185\u90e8\u5b9f\u88c5\u304c\u5909\u308f\u3063\u3066\u3082\u3001\u5916\u90e8\u306e\u632f\u308b\u821e\u3044\u304c\u540c\u3058\u306a\u3089\u30c6\u30b9\u30c8\u306f\u901a\u308a\u7d9a\u3051\u307e\u3059\u3002<\/p>\n\n\n\n
\u30c6\u30b9\u30c8\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u3063\u3066\u3001\u66f8\u3044\u305f\u672c\u4eba\u4ee5\u5916\u306b\u306f\u308f\u304b\u308a\u306b\u304f\u3044\u3093\u3067\u3059\u3088\u306d\u3002\u300c\u30c6\u30b9\u30c8\u304c\u3042\u308b\u304b\u3089\u5b89\u5fc3\u300d\u3068\u601d\u3063\u3066\u3044\u305f\u3089\u3001\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306e\u305f\u3073\u306b\u30c6\u30b9\u30c8\u4fee\u6b63\u3067\u534a\u65e5\u6f70\u308c\u308b\u3001\u307f\u305f\u3044\u306a\u3002<\/small><\/p>\n\n\n\n
AI\u99c6\u52d5\u30c6\u30b9\u30c8\u751f\u6210\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc<\/h2>\n\n\n\n
\u534a\u5e74\u9593\u306e\u5b9f\u8df5\u304b\u3089\u3001\u4ee5\u4e0b\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u304c\u6700\u3082\u52b9\u7387\u7684\u3060\u3068\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u30b9\u30c6\u30c3\u30d71\uff1a\u30c6\u30b9\u30c8\u8a2d\u8a08\u306f\u4eba\u9593\u304c\u3084\u308b<\/strong>
\u300c\u4f55\u3092\u30c6\u30b9\u30c8\u3059\u308b\u304b\u300d\u306fAI\u306b\u4efb\u305b\u306a\u3044\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u30d5\u30ed\u30fc\u3001\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306e\u5883\u754c\u5024\u3092\u4eba\u9593\u304c\u6d17\u3044\u51fa\u3059\u3002<\/p>\n\n\n\n
\u30b9\u30c6\u30c3\u30d72\uff1a\u30c6\u30b9\u30c8\u8a2d\u8a08\u66f8\u3092AI\u306b\u6e21\u3057\u3066\u5b9f\u88c5\u3055\u305b\u308b<\/strong>
\u30c6\u30b9\u30c8\u306e\u300c\u69cb\u9020\u300d\u3068\u300c\u671f\u5f85\u5024\u300d\u3092\u660e\u8a18\u3057\u305f\u8a2d\u8a08\u66f8\u3092\u4f5c\u308a\u3001AI\u306b\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u305b\u308b\u3002\u3053\u308c\u304c\u3082\u3063\u3068\u3082AI\u306e\u5f97\u610f\u306a\u90e8\u5206\u3067\u3059\u3002<\/p>\n\n\n\n
\u30b9\u30c6\u30c3\u30d73\uff1aAI\u304c\u66f8\u3044\u305f\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u3066\u4fee\u6b63\u3059\u308b<\/strong>
\u30c6\u30b9\u30c8\u304c\u901a\u308b\u304b\u3069\u3046\u304b\u3060\u3051\u3067\u306a\u304f\u3001\u300c\u30c6\u30b9\u30c8\u540d\u3092\u8aad\u3093\u3060\u3060\u3051\u3067\u4f55\u3092\u691c\u8a3c\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u308b\u304b\u300d\u3092\u78ba\u8a8d\u3059\u308b\u3002\u308f\u304b\u308a\u306b\u304f\u3044\u30c6\u30b9\u30c8\u540d\u306fAI\u306b\u66f8\u304d\u76f4\u3055\u305b\u308b\u3002<\/p>\n\n\n\n
\u30d0\u30a4\u30af\u306e\u6574\u5099\u306b\u4f8b\u3048\u308b\u3068\u3001\u4f55\u3092\u70b9\u691c\u3059\u308b\u304b\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306f\u6574\u5099\u58eb\uff08\u4eba\u9593\uff09\u304c\u4f5c\u308a\u3001\u5b9f\u969b\u306e\u30dc\u30eb\u30c8\u7de0\u3081\u3084\u6cb9\u5dee\u3057\u306f\u5de5\u5177\uff08AI\uff09\u304c\u52b9\u7387\u3088\u304f\u3084\u308b<\/strong>\u3068\u3044\u3046\u5206\u62c5\u3067\u3059\u3002\u5de5\u5177\u306b\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u4f5c\u3089\u305b\u308b\u3068\u3001\u300c\u30cd\u30b8\u304c\u5168\u90e8\u3064\u3044\u3066\u3044\u308b\u304b\u78ba\u8a8d\u300d\u306e\u3088\u3046\u306a\u8868\u9762\u7684\u306a\u30ea\u30b9\u30c8\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002<\/p>\n\n\n\n
\u307e\u3068\u3081<\/h2>\n\n\n\n
\u4eca\u56de\u306f\u3001React Testing Library\u306e\u30c6\u30b9\u30c8\u3092AI\u99c6\u52d5\u958b\u767a\u3067\u66f8\u304f2\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u6bd4\u8f03\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
AI\u306b\u30c6\u30b9\u30c8\u3092\u4efb\u305b\u308b\u3068\u304d\u3001\u300c\u4f55\u3092\u30c6\u30b9\u30c8\u3059\u308b\u304b\u300d\u306e\u8a2d\u8a08\u3092\u4eba\u9593\u304c\u884c\u3046\u304b\u3069\u3046\u304b\u3067\u3001\u30c6\u30b9\u30c8\u306e\u8cea\u306f\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u3002\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e4\u3064\u3067\u3059\u3002<\/p>\n\n\n\n