ãœãããŠã§ã¢å質ãå·Šå³ãããã¹ãããã»ã¹ã®èªååãä»ãããžãã¹ã®çŸå Žã§æ³šç®ãããŠããŸãããã®èšäºã§ã¯ãChatGPTãšJUnitãçµ±åããé«å¹çãªãã¹ãæŠç¥ãæ§ç¯ããæ¹æ³ã詳ãã解説ããŸããèªåãã¹ãã®æŠå¿µããChatGPTã«ãããã¹ãã±ãŒã¹çæãç¶ç¶çã€ã³ãã°ã¬ãŒã·ã§ã³ã«è³ããŸã§ãå®è·µçãªãã¯ããã¯ãšãšãã«ãã©ã®ããã«ããžãã¹ããŒãœã³ããããã®ããŒã«ãæ倧éã«æŽ»çšã§ããããã玹ä»ããããšã§ãçæ§ã®éçºããã»ã¹ã®å質ãšå¹çãåäžãããäžå©ãšãªããŸãã
1. ChatGPTãšJUnitã®çµ±åïŒã¯ããã«
çŸä»£ã®ãœãããŠã§ã¢éçºã«ãããŠå質ã¯éåžžã«éèŠã§ããããã¯é«åºŠãªãã¹ãæŠç¥ãªãã«ã¯éæã§ããŸãããChatGPTãšJUnitãçµ±åããããšã¯ããã®ç®æšéæã«åããé©æ°çãªã¹ãããã®äžã€ã§ããæ¬èšäºã§ã¯ãChatGPTãšJUnitãçµ±åããéã®ã¡ãªããããã³å®è£ æ¹æ³ã«ã€ããŠè§£èª¬ããŸãã
ChatGPTã®èªç¶èšèªçæèœåãšJUnitã®ãœãããŠã§ã¢ãã¹ããã¬ãŒã ã¯ãŒã¯ãçµã¿åãããããšã§ãéçºããã»ã¹ã®å¹çåãšãã¹ãã®å æ¬æ§ãé«ããããšãã§ããŸãããã®çµã¿åããã«æ³šç®ãéãŸã£ãŠããçç±ããã®å ·äœçãªå©ç¹ã«ã€ããŠè©³ããèŠãŠãããŸãããã
èªåãã¹ãã¯ãæç¶å¯èœãªéçºããã»ã¹ãšãæ¥ã ã®å€æŽã顧客ã®ããŒãºãæºããç¶ããé«å質ãªãœãããŠã§ã¢ã®ãªãªãŒã¹ãä¿èšŒããŸããChatGPTãšJUnitã掻çšããããšã§ããã®ããã»ã¹ãããã«åé²ãããããšãå¯èœãšãªããŸãã
1.1 ChatGPTãšJUnitã®ç°¡æœãªçŽ¹ä»
ChatGPTã¯ãOpenAIã«ãã£ãŠéçºããã匷åãªèªç¶èšèªåŠçAIã§ãããŠãŒã¶ãŒãšã®å¯Ÿè©±ã質åã«çããããšã§ãé©ãã¹ãæç« çæèœåãèŠããŸããããã°ã©ãã³ã°èšèªã«ãããã³ãŒãçæãªã©ãå¹ åºãå¿çšãå¯èœã§ãã
äžæ¹ãJUnitã¯Javaèšèªã察象ãšããåäœãã¹ããã¬ãŒã ã¯ãŒã¯ã®äžã€ã§ãããèªååããããã¹ãã±ãŒã¹ã®äœæãå®è¡ãããã³çµæã®æ€èšŒãè¡ãããšãã§ããŸããã·ã³ãã«ãªã¢ãããŒã·ã§ã³ãšã¢ãµãŒã·ã§ã³ãéããAPIãéåžžã«äœ¿ãããããå€ãã®éçºè ã«éžã°ããŠããŸãã
ãããäºã€ã®ããŒã«ãçµã¿åãããããšã§ãéçºè ã¯ãã¹ãã±ãŒã¹ã®äœæãèªååããããé«åºŠã§è€éãªãã¹ãã·ããªãªãç°¡åã«æ§ç¯ã§ããããã«ãªããŸãã
1.2 ãœãããŠã§ã¢éçºã«ãããèªåãã¹ãã®éèŠæ§
ãœãããŠã§ã¢ãè€éã«ãªãã«ã€ããŠãé©åãªèªåãã¹ãã®å°å ¥ãäžå¯æ¬ ãšãªã£ãŠããŠããŸããèªåãã¹ãã¯ãæäœæ¥ã§ã®ãã¹ãã«æ¯ã¹ãŠé«éã§ãç¹°ãè¿ãå®è¡å¯èœããããŠäººçãã¹ã倧ããåæžããŸãã
èªååãã¹ãã¯ããªãã¡ã¯ã¿ãªã³ã°ãæ°æ©èœè¿œå æã®ãªã°ã¬ãã·ã§ã³ãã¹ããç°¡åã«ããéçºè ãèªä¿¡ãæã£ãŠã³ãŒããå€æŽããããšãå¯èœã«ããŸããããã«ãããéçºãµã€ã¯ã«ãå éãããæç¶çãªããªããªãŒãå®çŸããããšãã§ããŸãã
ããã«ãèªåãã¹ãã¯ãã°ã®æ©ææ€åºã«ãè²¢ç®ããé·æçã«ã¯ã¡ã³ããã³ã¹ã³ã¹ããåæžããŸããã³ãŒãã®å®å®æ§ãäºæž¬å¯èœæ§ãé«ãŸãããããœãããŠã§ã¢ã®å質åäžã«å€§ãã«åœ¹ç«ã¡ãŸãã
1.3 JUnitã®åºæ¬æŠå¿µãšç¹åŸŽ
JUnitã¯ãåäœãã¹ãã«ç¹åãããã¬ãŒã ã¯ãŒã¯ã§ãããã¢ãµãŒã·ã§ã³ã䜿çšããŠæåŸ ããçµæãšå®éã®çµæãæ¯èŒããŸããããã«ãããç¹å®ã®ã³ãŒããããã¯ãæåŸ éãã«åäœãããã©ãããæ€èšŒã§ããŸãã
ãã¹ãã±ãŒã¹ããã¹ãã¹ã€ãŒãããã£ã¯ã¹ãã£ããã¹ãã©ã³ããŒãšãã£ãJUnitã®æŠå¿µã¯ãéçºè ãç¬ç«ãããã¹ããè€æ°ã®ãã¹ããã°ã«ãŒãåããããšãå¯èœã«ããŸãããããã¯ãã³ãŒãã®ã«ãã¬ããžãé«ããããè¯ããã¹ãèšç»ãç«ãŠãããã®åºæ¬èŠçŽ ã§ãã
JUnit 5ãšããŠç¥ãããææ°ããŒãžã§ã³ã§ã¯ãããã¢ãã³ãªJavaæ©èœãšãšãã«ããã©ã¡ãŒã¿åãã¹ããã«ã¹ã¿ã ãã£ã¹ãã¬ã€åã®èšå®ããã匷åãªäŸå€æ€èšŒãå¯èœã«ãªã£ãŠããŸãããããã®æ©èœã«ãããæè»ãã€åŒ·åãªãã¹ãç°å¢ãæ§ç¯ããããšãã§ããŸãã
1.4 ChatGPTãçšãããã¹ãèªååã®ã¡ãªãã
ChatGPTãå©çšãããšããã¹ãã±ãŒã¹ã®äœæã«ãããæéãšåŽåãå€§å¹ ã«åæžãããŸããèªç¶èšèªã®æ瀺ã«åŸã£ãŠãã¹ãã³ãŒããçæããããšãå¯èœã§ãããéçºè ãé¢åãªã»ããã¢ããããã£ã¢ããŠã³ã®ããã»ã¹ãã解æŸãããŸãã
ChatGPTãšçµ±åãããã·ã¹ãã ã¯ãããæŽç·Žããããã¹ãã±ãŒã¹ã蟌ã¿å ¥ã£ãã·ããªãªã®çæãå¯èœã«ããŸããããã¯ãåçŽãªãã¹ãã±ãŒã¹ã ãã§ãªãããšããžã±ãŒã¹ãç¹æ®ãªäœ¿çšæ¡ä»¶ã§ã®ãã¹ãã®åµé ã«ãå©çšã§ããŸãã
ããã«ãChatGPTã¯ç¶ç¶çã€ã³ãã°ã¬ãŒã·ã§ã³ãšé£æºããããšãã§ãããã¹ãçµæãèªç¶èšèªã§ã¬ããŒãããããèšå®ããããšãå¯èœã§ããããã«ããããã¹ãã®ã¢ãŠãã«ã ã解éããé¢ä¿è ãšå ±æããããã»ã¹ãç°¡ç¥åããããœãããŠã§ã¢ã®å質ãåäžãããããã®å¯Ÿè©±ãããåæ»ã«ãªããŸãã
2. JUnitã®ããã°ã©ã å¿çšãã¯ããã¯
2.1 ãã¹ãã±ãŒã¹ãå¹ççã«æžãããã®JUnitã®æ©èœ
ãã¹ãã±ãŒã¹ã®å質ãä¿ã¡ã€ã€ãéçºããã»ã¹ãå éããããã«ã¯ãå¹ççãªãã¹ãã±ãŒã¹èšè¿°ãå¿ é ã§ããJUnitã®ã¢ãããŒã·ã§ã³ãå©çšãããã¹ãã±ãŒã¹ã®å®è£ ã¯ããã®ç®æšéæã«éåžžã«æå¹ã§ããããšãã°ã@Beforeã@Afterã䜿çšããããšã§ããã¹ãã®ååŸã«å ±éã®èšå®ã»åŸçä»ãã1åã ãèšè¿°ããã°ãããã³ãŒãã®éè€ãæžãããã¡ã³ããã³ã¹æ§ãé«ããŸãã
ãŸããasserté¢é£ã®ã¡ãœãã矀ãé§äœ¿ããããšã§ãã¹ãã³ãŒãã®å¯èªæ§ãã¢ãããããšãã°ãassertEqualsã§ã¯æåŸ å€ãšå®æž¬å€ã®æ¯èŒãæ確ã«è¡šçŸã§ãããã®ä»ã«ãäŸå€ãæããããããšã確èªããããã®assertThrowsããç¹å®ã®æéå ã«åŠçãå®äºããããšãä¿èšŒããããã®assertTimeoutãªã©ãããŸããŸãªã·ãã¥ãšãŒã·ã§ã³ã«å¯Ÿå¿ããã¢ãµãŒããæäŸãããŠããŸãã
ããã«ãJUnit 5ããã¯@DisplayNameã䜿çšãããã¹ãã±ãŒã¹ã®èª¬æãã@NestedãçšããŠãã¹ãã±ãŒã¹ã®éå±€æ§é åã@Tagã§ãã¹ãã®ãã£ã«ã¿ãªã³ã°ãªã©ãããé²ãã ãã¹ãèšè¿°ææ³ããµããŒããããŠããŸãããã®ãããªæ©èœã䜿ãããªãããšã§ãããé«éãã€å¹ççã«ãã¹ãã³ãŒããæžãããšãå¯èœã§ãã
2.2 ãã©ã¡ãŒã¿ã©ã€ãºããã¹ãã®å®è£ æ¹æ³
ãã©ã¡ãŒã¿ã©ã€ãºããã¹ãã¯ãæ§ã ãªå ¥åå€ã«å¯ŸããŠåããã¹ãããžãã¯ãç¹°ãè¿ãé©çšããéã«äŸ¿å©ãªæ©èœã§ããJUnit 5ã®@ParameterizedTestã¢ãããŒã·ã§ã³ãçšããããšã§ãäžé£ã®å€ã«å¯ŸããŠç¹°ãè¿ããã¹ããå®è¡ããããšãã§ããŸããããã«ãã£ãŠããã¹ãã¡ãœãããç¹°ãè¿ãå®è¡ããããã³ã«ç°ãªããã©ã¡ãŒã¿ãæž¡ãããŸãã
@ValueSource, @CsvSource, @MethodSourceãªã©ãè€æ°ã®ãœãŒã¹ã¢ãããŒã·ã§ã³ã䜿ã£ãŠãã¹ãããŒã¿ãæäŸããããšãå¯èœã§ããããšãã°ã@ValueSourceã¯åçŽãªå€ãåæããå Žåã«äœ¿ãã@CsvSourceã¯ã«ã³ãåºåãã®å€ã®ãªã¹ããæäŸããã®ã«é©ããŠããŸãããŸããããè€éãªãã¹ãããŒã¿ã»ãããå¿ èŠãªå Žåã¯ã@MethodSourceã䜿ã£ãŠå€éšã¡ãœãããããã¹ãããŒã¿ãäŸçµŠããããšãã§ããŸãã
ãã©ã¡ãŒã¿ã©ã€ãºããã¹ããããã°ããã¹ãã±ãŒã¹ã®ç·æ°ãåçã«å¢ããããšãªããå ¥åã®ããªãšãŒã·ã§ã³ãã«ããŒããããšãå¯èœã«ãªããŸããããã«ãããå¹ççã«å€ãã®ãšããžã±ãŒã¹ãç°åžžç³»ãæ€èšŒãããœãããŠã§ã¢ã®ä¿¡é Œæ§ãé«ããããšãã§ããŸãã
2.3 ã¢ãã¯ãªããžã§ã¯ãã䜿ã£ãåäœãã¹ã
ã¢ãã¯ãªããžã§ã¯ããå©çšããããšã§ãå€éšã·ã¹ãã ãæªå®è£ ã®ã³ã³ããŒãã³ãã«äŸåããéšåãæé€ããåäœãã¹ããåç¬ã§å®è¡ã§ããŸããJUnitã§å€çšãããã¢ãã¯ã©ã€ãã©ãªã®1ã€ãšããŠMockitoããããŸããMockitoã䜿çšãããšãã³ãŒãã®æ¯ãèããæš¡å£ããŠããã¹ã察象ã®ã¯ã©ã¹ãäºæãããåäœããããã©ãããæ€èšŒã§ããŸãã
ããšãã°ãããŒã¿ããŒã¹ã¢ã¯ã»ã¹ãæš¡å£ããããã®ã¢ãã¯ãªããžã§ã¯ããçæããå®éã®ããŒã¿ããŒã¹æäœãšåæ§ã®APIãã³ãŒã«ãããã¹ãã±ãŒã¹ãæžãããšãã§ããŸããããã«ãããå®éã®ããŒã¿ããŒã¹ã¢ã¯ã»ã¹ã®ãããªæéããããåŠçãããã¹ãç°å¢ã§å©çšã§ããªãå€éšãªãœãŒã¹ã«äŸåããããšãªããã¹ããé²ããããšãå¯èœãšãªããŸãã
ãŸããMockitoãçšããã¢ãã¯ã¯éåžžã«æè»ã§ãä»»æã®æ¡ä»¶äžã§ã®ã¡ãœããã®æ»ãå€ãäŸå€ãèšå®ããããã¡ãœãããåŒã³åºãããåæ°ãæ€èšŒããããšãªã©ãå¯èœã§ããããããé«åºŠãªãã¹ãæè¡ãé§äœ¿ããããšã§ãã³ãŒãã®é ã ãŸã§åŸ¹åºçã«ãã¹ããããã°ãæ©æã«çºèŠãä¿®æ£ããããšãå¯èœã«ãªããŸãã
2.4 ChatGPTã§çæããã³ãŒãã®ãã¹ãã±ãŒã¹ã®äŸ
æè¿ã®éçºç°å¢ã§ã¯ãAIããŒã¹ã®ããŒã«ã掻çšããã³ãŒãçæã泚ç®ãããŠããŸããããšãã°ãChatGPTã䜿çšããŠçæãããã³ãŒãã«å¯ŸããŠãããã¹ãã±ãŒã¹ã¯å¿ èŠã§ããããèšèšããããã¹ãã±ãŒã¹ã«ãã£ãŠãçæãããã³ãŒããæ©èœèŠä»¶ã«åèŽããŠããããšã確èªã§ããŸãã
çæãããã¡ãœããã«å¯Ÿãããã¹ãã±ãŒã¹ãäœæããéã«ã¯ãå ¥åå€ã®ç¯å²ãååã«ã«ããŒããŠããããäŸå€çãªæ¯ãèããæ£ããåãæ±ãããŠãããããããŠæåŸ ãããåºåãåŸãããããéç¹çã«ãã§ãã¯ããŸããChatGPTã«çæãããã³ãŒãã¹ããããã«å¯Ÿãããã¹ãã¯ã©ã¹ãšã¡ãœãããå®çŸ©ããŠãåé¡ããªãããšãäœç³»çã«æ€èšŒããããšããä¿¡é Œæ§ã®é«ããœãããŠã§ã¢ãžã®éã§ãã
äŸãã°ãChatGPTãçæããæååæäœã®é¢æ°ã«å¯ŸããŠã¯ãæ£åžžç³»ã®ã·ããªãªã¯ãã¡ããã蟺å¢å€åæããšã©ãŒå ¥åã«å¯Ÿããæåãªã©ãå€è§çã«ãã¹ããé²ããããšãéèŠã§ããJUnitã掻çšããŠããããã®æ§ã ãªã·ããªãªã«å¯ŸããŠæŽç·Žããããã¹ãã±ãŒã¹ãçšæããããšã§ãAIã«ããã³ãŒãçæã®ç䟡ãè©Šãããšãã§ããã§ãããã
3. ChatGPTã«ããJUnitãã¹ãã³ãŒãã®çæ
3.1 ChatGPTã®æ©èœãšéçºããã»ã¹ãžã®çµã¿èŸŒã¿
ChatGPTã¯èªç¶èšèªåŠç(NLP)ã«åºã¥ããé«åºŠãªããã¹ãçæããŒã«ã§ãããããã°ã©ã ã³ãŒãã®çæã«ãå©çšã§ããŸããéçºããã»ã¹ã«ChatGPTãåãå ¥ããããšã§ããã¹ãã³ãŒãã®äœæã容æã«ãªããéçºå¹çãé£èºçã«åäžããŸããçŽ æ©ãæ£ç¢ºãªãã¹ãã±ãŒã¹ãäœæããããã«å¿ èŠãªæ瀺ãChatGPTã«äŒããã ãã§ãå質ã®é«ãã³ãŒããçæãããŸãã
ãœãããŠã§ã¢éçºã§ã¯ããã¹ãé§åéçº(TDD)ã®ã¢ãããŒãããã°ãã°çšããããŸããChatGPTã¯TDDã®ãã©ã¯ãã£ã¹ã«åèŽããä»æ§ã«åºã¥ããã¹ãã±ãŒã¹ãçŽ æ©ãæäŸããããšã§ãã³ãŒãã®ããªããŒã·ã§ã³ãçŽ æ©ãè¡ãããšãã§ããŸããããã«ãããéçºã®ãµã€ã¯ã«ãççž®ããããã°ã®æ©æçºèŠããªãã¡ã¯ã¿ãªã³ã°ãžã®è¿ éãªå¯Ÿå¿ãå®çŸããŸãã
ChatGPTãéçºããã»ã¹ã«çµã¿èŸŒãéã«ã¯ãçµ±åéçºç°å¢(IDE)ãããŒãžã§ã³ç®¡çã·ã¹ãã ãªã©ã®æ¢åã®éçºããŒã«ãšã®é£æºãéèŠã§ããããŒã«ãã§ãŒã³ã«ChatGPTãçµã¿èŸŒãããšã§ãéçºè ã¯ãã¹ãã±ãŒã¹ã®çæãããã°ä¿®æ£ãŸã§ã®äžé£ã®ããã»ã¹ãã¹ã ãŒãºã«é²ããããšãã§ããŸãã
3.2 ChatGPTã䜿çšããŠJUnitãã¹ãã±ãŒã¹ãçæããæ¹æ³
JUnitãã¹ãã±ãŒã¹ãçæããããã«ChatGPTã䜿çšããã«ã¯ããŸãChatGPTã«å¯ŸããŠãã¹ããããæ©èœã®èŠä»¶ãæ確ã«äŒããå¿ èŠããããŸãããã®éãæ©èœã®å ¥åºåãæ¯ãèãã詳现ã«èª¬æããããšããã€ã³ãã§ããChatGPTã¯äžããããæ å ±ãåºã«é©åãªãã¹ãã±ãŒã¹ãçæãããã¹ã察象ã®ã¡ãœãããã¯ã©ã¹ãæåŸ éãã«æ©èœãããã©ãããæ€èšŒããã®ã«åœ¹ç«ã¡ãŸãã
ChatGPTã¯æ§ã ãªããã°ã©ãã³ã°ãã©ãã€ã ãæŠå¿µãç解ããŠããããããšããžã±ãŒã¹ãç¹æ®ãªã±ãŒã¹ã«ã察å¿ãããã¹ãã±ãŒã¹ãææ¡ããããšãã§ããŸããããã«ãããåŸæ¥ã®ææ³ã§ã¯èŠèœãšããã¡ãªãã°ãäžå ·åãæ€åºããæ©äŒãå¢å ããŸãããŸããéçºããŒã ãäžè²«ãããã¹ãèŠçŽã«åŸãããšãæ¯æŽããã³ãŒãããŒã¹ã®æŽåæ§ãä¿ã€æå©ããããŸãã
ChatGPTã¯å埩çéçºã«ãé©ããŠããããã¹ãã±ãŒã¹ã®ç¶æã»æŽæ°äœæ¥ãå¹çåããŸããæ°ããæ©èœãè¿œå ããããã³ã«ãéå»ã«æžããããã¹ããšæ°ããèŠä»¶ãšãé¢é£ä»ããŠããã¹ãã±ãŒã¹ãè¿ éã«æ¹åã»æ¡åŒµããããšãã§ããã®ã§ãã
3.3 ãã¹ãã³ãŒãå質ã®ç¶æãšåäž
ChatGPTã䜿çšããéã®å€§ããªå©ç¹ã®äžã€ã¯ãã¹ãã³ãŒãã®å質ç¶æãšåäžã§ããèªåçæãããã³ãŒãã¯ãäžè²«æ§ãšåå©çšå¯èœæ§ã®é«ãã³ãŒãã§ããåŸåã«ãããŸããããã«ãããéçºããŒã ã¯åçŽãªãã¹ãã®äœæã«æéãå²ãããšãªããããè€éãªã±ãŒã¹ãã¢ããªã±ãŒã·ã§ã³ã®ããžãã¯ã«æ³šåã§ããŸãã
ChatGPTãå©çšããããšã§ããã¹ãã±ãŒã¹ã®ã«ãã¬ããžãåäžãããå šäœãšããŠã®ãœãããŠã§ã¢å質ãé«ããããšãæåŸ ã§ããŸããã·ã¹ãããã£ãã¯ãªã¢ãããŒãã«ãããã³ãŒãããŒã¹å šäœã«ããã£ãŠäžè²«ãããã¹ãæšæºã確ç«ããã¡ã³ããã³ã¹ããããã°äœæ¥ã容æã«ããŸãã
å®æçãªã³ãŒãã¬ãã¥ãŒããã¢ããã°ã©ãã³ã°ãšçµã¿åãããããšã§ãChatGPTãçæãããã¹ãã³ãŒãã®å質ãæŽã«åäžãããããšãå¯èœã§ãããããã®ãã©ã¯ãã£ã¹ãéããŠãéçºããŒã å šäœã§ãã¹ãã³ãŒãã®èªã¿ããããä¿å®æ§ã«ã€ããŠè°è«ããæ¹è¯ããæåãä¿é²ããããšãã§ããŸãã
3.4 ç¶ç¶çã€ã³ãã°ã¬ãŒã·ã§ã³(CI)ãšChatGPTã®åœ¹å²
ç¶ç¶çã€ã³ãã°ã¬ãŒã·ã§ã³(CI)ã¯ãã³ãŒãå€æŽãé »ç¹ãã€å®å®çã«æ¬çªç°å¢ã«çµ±åããããã®å®è·µæ¹æ³ã§ããChatGPTã¯CIããã»ã¹ã«ãããŠéèŠãªåœ¹å²ãæããããšãã§ããŸããã³ãŒãã®ã³ãããããšã«èªåçã«ãã¹ãã±ãŒã¹ãçæããç¶ç¶çãªå質ä¿èšŒãæäŸããããšã§ããããã€ã¡ã³ãã®ãªã¹ã¯ãäœæžããŸãã
CIãã€ãã©ã€ã³ã«ChatGPTãçµã¿èŸŒãããšã§ãéçºããŒã ã¯ãã¹ãã±ãŒã¹ãåžžã«ææ°ã®ç¶æ ã«ä¿ã€ããšãã§ãããŸãæ°ããªæ©èœè¿œå ããªãã¡ã¯ã¿ãªã³ã°ããã£ãå Žåã§ãæè»ã«å¯Ÿå¿ããããšãå¯èœã§ããChatGPTã¯ããã°ã®æ©æçºèŠãšä¿®æ£ãä¿é²ããå質ã®é«ã補åã®ãªãªãŒã¹ããµããŒãããŸãã
ãŸããChatGPTãçšããããšã«ãããCIã®ç°å¢ã§ãã¹ãã®èªååãé²ããããšãå¯èœãšãªããŸããéçºè ã¯æäœæ¥ã§ãã¹ããæžãæéãåæžã§ããããé©æ°çãªã¿ã¹ã¯ã«æéããªãœãŒã¹ãå²ãåœãŠãããšãã§ããŸããããã«ãããCIããã»ã¹ã®å¹çãå€§å¹ ã«åäžããããžãã¹äŸ¡å€ã®é«ãææãè¿ éã«æäŸããããšãå¯èœã«ãªããŸãã
4. JUnitãçšããå¹æçãªãã¹ãæŠç¥
4.1 ãã¹ãèšç»ã®äœæãšéèŠæ§
ãœãããŠã§ã¢éçºããã»ã¹ã«ãããŠããã¹ãèšç»ã¯å質ä¿èšŒã®ç€ã§ãããã¹ãèšç»ã¯ãããžã§ã¯ãã®èŠä»¶ããªã¹ã¯ãç解ãããã¹ãã®ç¯å²ãç®æšãç¹å®ããããã«äžå¯æ¬ ã§ããJUnitã䜿çšããããšã§ãæ確ãªãã¹ãèšç»ã«åŸããçµç¹çã«ãã¹ãã±ãŒã¹ãéçºãå®è¡ã§ããŸãã
ãã¹ãèšç»ãäœæããéã«ã¯ããã¹ã察象ã®ç¯å²ãç®çãã¹ã±ãžã¥ãŒã«ãæ確ã«å®çŸ©ããããšãéèŠã§ãããŸããäŸåé¢ä¿ããã¹ãç°å¢ã«ã€ããŠãèæ ®ããå¿ èŠããããŸãããã¹ãèšç»ãããããšã§ããã¹ãããã»ã¹å šäœã®å¹çãåäžããããŒã éã®ã³ãã¥ãã±ãŒã·ã§ã³ãåæ»åããŸãã
ããã«ããã¹ãèšç»ã¯ãããžã§ã¯ãã®å€æŽãçºçããéã®æè»æ§ãæäŸããŸãããããžã§ã¯ãã®èŠä»¶ãå€åããã°ããã¹ãèšç»ãããã«å¿ããŠæŽæ°ãããã¹ãã§ãããã®é©å¿èœåãããããžã§ã¯ãã®ææç©ãæåŸ éãã®å質ãæã€ããã«ã¯å¿ é ãšãªããŸãã
4.2 ãã¹ãã«ãã¬ããžãæ倧åããæ¹æ³
ãã¹ãã«ãã¬ããžãæ倧åããããšã¯ããœãããŠã§ã¢ãå€é¢çã«ãã¹ããããäžå ·åãèŠéããªãããã«éåžžã«éèŠã§ãããžã¥ããããã¬ãŒã ã¯ãŒã¯ã䜿ã£ãåäœãã¹ãã§ã¯ãã³ãŒãã®åãã©ã³ãããã·ãžã§ã³ãã€ã³ããé©åã«ãã¹ããããããšãä¿èšŒããããã«ãåæç¶²çŸ ãæ¡ä»¶ç¶²çŸ ãªã©ã®ãã¹ãã«ãã¬ããžåºæºãæºããããšãèŠæ±ãããŸãã
å¹ççã«ãã¹ãã«ãã¬ããžãåäžãããããã«ã¯ããã¹ãã±ãŒã¹ãæ éã«éžå®ããåé·æ§ãæé€ããå¿ èŠããããŸãããŸããã³ãŒãã«ãã¬ããžããŒã«ãå©çšããããšã§ãæªãã¹ãã®ã³ãŒãé åãç¹å®ãããã¹ããè¿œå ããããšãã§ããŸãããã®ããã«ãã¹ããã·ã¹ããããã¯ã«è¿œå ããããšã§ãå æ¬çãªã«ãã¬ããžãå®çŸããŸãã
éèŠãªã®ã¯ãé«ããã¹ãã«ãã¬ããžãå¿ ãããé«å質ãªã³ãŒããæå³ããããã§ã¯ãªããšããç¹ã§ãããã¹ãã«ãã¬ããžã¯äžã€ã®ææšã«éããããã¹ãã®è³ªãç·åçã«è©äŸ¡ããå¿ èŠããããŸããå質ã®é«ããã¹ããèšèšããå®è¡ããããšãæãŸããŸãã
4.3 ãªã°ã¬ãã·ã§ã³ãã¹ããšãã®èªåå
ãªã°ã¬ãã·ã§ã³ãã¹ãã¯ãæ¢åã®æ©èœãæ°ããªã³ãŒãå€æŽã®åŸãæ£åžžã«æ©èœããããšã確èªããããã»ã¹ã§ãããã®ãã¹ãã¯ããã°ã®å°å ¥ãé²ããä¿¡é Œæ§ãä¿ã€äžã§æ¥µããŠéèŠãªåœ¹å²ãæãããŸãã
JUnitã掻çšãããªã°ã¬ãã·ã§ã³ãã¹ãã®èªååã¯ããœãããŠã§ã¢éçºã®é床ãšå質ã®äž¡é¢ã§å€§ããªå©ç¹ããããããŸããèªååããããã¹ãã¹ã€ãŒãã«ãã£ãŠãã³ãŒãå€æŽã®åºŠã«ãã¹ããè¿ éã«å®æœããããããéçºè ã¯ãã°ãè¿ éã«çºèŠããä¿®æ£ããããšãã§ããŸãã
èªååããããªã°ã¬ãã·ã§ã³ãã¹ãã®å°å ¥ã«ã¯ãåæã®æè³ãšç¶æ管çã䌎ããŸãããé·æçã«èŠãã°æéãšã³ã¹ãã®åæžã«ç¹ãããŸãããŸããå®æçã«ãã¹ãã¹ã€ãŒããèŠçŽããææ°ã®æ©èœå€æŽã«åãããŠæŽæ°ããããšãããã¹ãå¹çãç¶æããããã«äžå¯æ¬ ã§ãã
4.4 ChatGPTã®æŽ»çšã§è§£æ±ºå¯èœãªäžè¬çãªãã¹ãã®èª²é¡
ChatGPTãšãã£ãAIæè¡ã¯ããœãããŠã§ã¢ãã¹ãã«ãããŠã掻èºã®å ŽãåºããŠããŸããæ§ã ãªäžè¬çãªãã¹ãã®èª²é¡ã«å¯ŸããŠå¹æçãªè§£æ±ºçãæäŸããå¯èœæ§ããããŸãã
äŸãã°ããã¹ãã±ãŒã¹ã®äœæã«ã¯æéãããããŸãããAIãçšããŠæ¢åã®ãã¹ãããŒã¿ããœãŒã¹ã³ãŒããããã¹ãã±ãŒã¹ãèªåçæããããšãå¯èœã§ããããã«ããããã¹ãã®æºåæéãåæžããå¹çãå€§å¹ ã«åäžãããããšãã§ããŸãã
ãŸãããã¹ãããã»ã¹ã®æé©åãAIã®åãåããŠæšé²ã§ããŸããChatGPTã¯ãéå»ã®ãã¹ãçµæããããžã§ã¯ãã®å±¥æŽãåæããæããªã¹ã¯ã®é«ãéšåãèå¥ããã®ã«åœ¹ç«ã¡ãŸããããã«ããããã¹ããªãœãŒã¹ãããå¹æçã«é åãããœãããŠã§ã¢ã®ä¿¡é Œæ§ãããã«åäžãããããšãã§ããã®ã§ãã
5. ãªã¢ã«ã¯ãŒã«ãã§ã®ChatGPTãšJUnitã®æŽ»çšã±ãŒã¹
ãœãããŠã§ã¢ã®ãã¹ãã¯éçºã®éåžžã«éèŠãªåŽé¢ã§ãããå質ä¿èšŒã®ããã«ã¯æå¹ãªææ³ãäžå¯æ¬ ã§ããChatGPTãšJUnitã¯ããã®åéã§ç®èŠãŸããçµæããããããŠããããã®å©çšæ¹æ³ã¯å€å²ã«ããããŸããJUnitã¯åºã䜿ããããã¹ããã¬ãŒã ã¯ãŒã¯ã§ãããChatGPTã¯èªç¶èšèªåŠçã掻çšããããã°ã©ã éçºã®è£å©ããŒã«ã§ãã
ChatGPTã®AIé§ååã®ã³ãŒãã£ã³ã°ã¢ã·ã¹ã¿ã³ã¹ãšJUnitã®ãã¹ãèªååã®çµã¿åããã¯ããšã©ãŒã®ç¹å®ããã¹ãã®äœæãããã«ã¯éçºããã»ã¹ã®æé©åã«åœ¹ç«ã¡ãŸããæ¬ç« ã§ã¯ããªã¢ã«ã¯ãŒã«ãã§ã®ChatGPTãšJUnitã®æŽ»çšäºäŸãã¿ãŠãããŸãã
å ·äœçãªäœ¿çšäŸããéçºããŒã ã«ããã圱é¿ãã¯ã©ãŠãããŒã¹ã®ã¢ããªã±ãŒã·ã§ã³ã§ã®å ·äœçãªã±ãŒã¹ã¹ã¿ãã£ãéããŠããã¹ãã®èªååãããããæªæ¥ãæãäžããŠãããŸãã
5.1 ãªãŒãã³ãœãŒã¹ãããžã§ã¯ãã«ããã掻çšäºäŸ
ãªãŒãã³ãœãŒã¹ãããžã§ã¯ãã¯äžçäžã®éçºè ãååããç°å¢ã§ãããå質ãæ ä¿ããããã«ã¯å ç¢ãªãã¹ãææ³ãå¿ èŠã§ããJUnitã¯ãã®ãããªãããžã§ã¯ãã§åºãæ¡çšãããŠãããäžè²«ãããã¹ãåºæºãæäŸããããŒã«ãšããŠæ©èœããŠããŸãã
ChatGPTã¯ããªãŒãã³ãœãŒã¹ã³ãã¥ããã£ã«ãããã³ãã¥ãã±ãŒã·ã§ã³ãããã¥ã¡ã³ãäœæãæ¯æŽããä»ãã³ãŒãã®ã¬ãã¥ãŒããã°å ±åã®éçšã®å¹çåãå®çŸããŸããããã«ããã¹ãã±ãŒã¹ã®ææ¡ããã¹ãã³ãŒãã®çæãªã©ãçŽæçãªã€ã³ã¿ãŒãã§ãŒã¹ãéããŠéçºè ãæ¯æŽããŸãã
ãªãŒãã³ãœãŒã¹ãããžã§ã¯ãã§ã¯ãéçºè ã®ã¹ãã«ã¬ãã«ãããã¯ã°ã©ãŠã³ããå€æ§ã§ãããããChatGPTã®ãããªããŒã«ããããžã§ã¯ãã®ç解ãæ·±ããã³ãŒãã®å質ãäžããäžå©ãšãªã£ãŠããŸãã
5.2 ChatGPTã§æ¹åãããéçºããã»ã¹
éçºããã»ã¹æ¹åã«ãããŠChatGPTã®å¯èœæ§ã¯éåžžã«å€§ããã§ããããšãã°ãèŠæ±ä»æ§ãããã¹ãã±ãŒã¹ãå°åºããéã®ããã»ã¹ããChatGPTãã·ãŒã ã¬ã¹ã«æ¯æŽããããšãã§ããŸãã
ããã«ãéçºè ãçŽé¢ããäžè¬çãªåé¡ããšã©ãŒãžã®å¯Ÿå¿ã¬ã€ãã®æäŸãéããŠãéçºãµã€ã¯ã«ãå éãããããšãå¯èœã§ããChatGPTã¯ãªã¢ã«ã¿ã€ã ã§ã®ãã£ãŒãããã¯ãæäŸããéçºè ãåé¡è§£æ±ºã«éäžã§ããç°å¢ãçã¿åºããŸãã
ãã®ãããªå¯Ÿè©±åAIã®å©çšã«ãã£ãŠãéçºããŒã ã¯ããã©ãŒãã³ã¹ãšã³ãŒãã®å質ãåäžãããããšãã§ããæçµçã«ã¯è£œåã®åžå Žæå ¥æéãççž®ããçµæããããããŠããŸãã
5.3 ã¯ã©ãŠãããŒã¹ã¢ããªã±ãŒã·ã§ã³ã§ã®å©çšäºäŸ
ã¯ã©ãŠãããŒã¹ã®ã¢ããªã±ãŒã·ã§ã³éçºã§ã¯ç¶ç¶çãªããªããªãŒãšã€ã³ãã°ã¬ãŒã·ã§ã³ãæ±ãããããã®äžã§JUnitã¯é£ç¶çãªå質ä¿èšŒãæäŸããŸããäžæ¹ãChatGPTã¯éçºããã»ã¹äžã®å€æ§ãªã¿ã¹ã¯ã«ã¢ã·ã¹ãããããšã§ããã®ç°å¢ãããã«åŒ·åããŸãã
ãããã€ããã»ã¹äžã®èªååããããã¹ãå®è¡ãããå®çšŒåç°å¢ã«ããããªã¢ã«ã¿ã€ã ãªåé¡è§£æ±ºãŸã§ãChatGPTã¯ããã°ã©ããŒãQAãšã³ãžãã¢ã«å¯ŸããŠå¯Ÿè©±çãªãµããŒããè¡ããããè¿ éãªåé¡è§£æ±ºãå¯èœã«ããŸãã
å®éãå€ãã®ã¯ã©ãŠããµãŒãã¹ãããã€ããŒã¯ãChatGPTããã©ãããã©ãŒã ã®äžéšãšããŠçµ±åããéçºããã»ã¹ã®å¹çåãšãšã³ããŠãŒã¶ãŒäœéšã®åäžãè©Šã¿ãŠããŸãã
5.4 ChatGPTã«ããæªæ¥ã®ãã¹ãèªåå
ãã¹ãèªååã¯ãœãããŠã§ã¢éçºã«ãããŠãŸããŸãéèŠæ§ãå¢ããŠãããChatGPTã®ãããªAIæè¡ã¯ãã®åéã«é©åœãããããå§ããŠããŸããChatGPTãå©çšããããšã§ãã¹ãã¹ã¯ãªããã®äœæã容æã«ãªããç¶²çŸ çã§å¹ççãªãã¹ãããã»ã¹ãå®çŸå¯èœã§ãã
å°æ¥çã«ã¯ãChatGPTãéçºè ã®æå³ãç解ããæŽã«æŽç·Žããããã¹ãã±ãŒã¹ã®çæããšã©ãŒã®äºæž¬ãªã©ãå®è¡ã§ããããã«ãªãããšãäºæ³ãããŸããããã«ããããã¹ããã§ãŒãºã§ã®äœæ¥æéã®åæžãšãšã©ãŒçºèŠã®æ©æåãå®çŸããŸãã
èªååããããã¹ãã¯å質ä¿èšŒãžã®ã³ãããã¡ã³ãã瀺ãã ãã§ã¯ãªããç¶ç¶çãªãã£ãŒãããã¯ã«ãŒããéããŠãéçºããã»ã¹å šäœãæŽç·Žãããæ段ãšãªããŸããChatGPTãšJUnitã®ååã«ãããããå¹ççã§ä¿¡é Œæ§ã®é«ããœãããŠã§ã¢éçºãä»åŸãç¶ããŠããã§ãããã
6. æé©ãªChatGPTãšJUnitã®çµ±åæŠç¥
6.1 çµ±åéå§åã®æ€èšäºé
ChatGPTãšJUnitãçµ±åããã«ãããããŸãã¯æ確ãªç®çèšå®ãéèŠã§ãããã¹ãèªååã®æ¡å ãä¿å®æ§ã®åäžãäž»ãªç®çã§ããã°ããã®ç®çã«åèŽããæé©ãªçµ±åæ¹æ³ãéžæããå¿ èŠããããŸãããããžã§ã¯ãã®èŠæš¡ãçŸåšäœ¿çšäžã®æè¡ã¹ã¿ãã¯ãèæ ®ã«å ¥ããåãã£ãŠãªã¹ã¯è©äŸ¡ãããããšãèå¿ã§ãã
次ã«ãããŒã å ã§ã®æè¡çãªã¹ãã«ã»ãããèæ ®ããå¿ èŠãªç ä¿®ããã°ã©ã ãããã¥ã¡ã³ããæºåããããšãæãŸããŸããçµ±åããã»ã¹ãã¹ã ãŒãºã«é²ããããJUnitã®åºæ¬ããChatGPTã®æŽ»çšæ¹æ³ãŸã§ãããŒã ã¡ã³ããŒã®ç解床ãåäžåãããåãçµã¿ãæšå¥šãããŸãã
æåŸã«ãäºç®ããã³æéã®æ çµã¿ãèšå®ããã©ã®ç¯å²ãŸã§çµ±åãé²ãããã決å®ããŸããäºæãã¬ãã©ãã«ãé 延ã«å¯ŸããŠãæè»ã«å¯Ÿå¿ã§ããã¹ã±ãžã¥ãŒã«ã®äœæã¯ããããžã§ã¯ãæåã®éµãšãªããŸãã
6.2 æé©ãªéçºç°å¢ã®æ§ç¯
æé©ãªéçºç°å¢ãæ§ç¯ããããã«ã¯ãçµ±åããŒã«ã®éžå®ãäžå¯æ¬ ã§ããIDE(Integrated Development Environment)ã®ãµããŒãç¶æ³ãæ¯èŒããJUnitã«å¯Ÿå¿ããŠãããã€ChatGPTã®ãã©ã°ã€ã³ãAPIãå©çšã§ããç°å¢ãéžã³ãŸãããã
ãŸããããŒãžã§ã³ç®¡çã·ã¹ãã ã¯çµ±åã®åºç€ãšãªããŸããGitãªã©ã®ããŒãžã§ã³ç®¡çããŒã«ã䜿çšããŠãChatGPTãšJUnitã®èšå®ãã¡ã€ã«ããã¹ãã³ãŒãã管çããããšãæšå¥šãããŸããããã«ãããéçºã®å±¥æŽã远跡ãããããªããããŒã ã¯ãŒã¯ã匷åããŸãã
ç°å¢æ§ç¯ã®éã¯ç¶ç¶çã€ã³ãã°ã¬ãŒã·ã§ã³(Continuous Integration)ãèŠéã«å ¥ããChatGPTãšJUnitã®å®è¡ãèªååããä»çµã¿ãæŽããããšãéèŠã§ããããã«ãããã³ãŒãã®å€æŽããã£ãéã«ãã¹ããèªåã§èµ°ããè¿ éã«ãã£ãŒãããã¯ãåŸãããšãã§ããŸãã
6.3 ç¶ç¶çãªã¡ã³ããã³ã¹ãšã¢ããããŒã
ãœãããŠã§ã¢éçºã¯åžžã«é²åããŠãããããChatGPTãšJUnitã®çµ±åã·ã¹ãã ããŸããå®æçãªã¡ã³ããã³ã¹ãšã¢ããããŒããå¿ èŠã§ãããã¹ããã¬ãŒã ã¯ãŒã¯ãAIæè¡ã®ææ°ã®å€æŽã«å¯Ÿå¿ããããšã§ãã·ã¹ãã ã®å®å®æ§ãšå¹çæ§ãç¶æããããšãã§ããŸãã
ããã«ããããžã§ã¯ãã®æé·ã«äŒŽãããã¹ãã±ãŒã¹ã®è¿œå ãæ¹ä¿®ãçºçããŸããChatGPTã掻çšããŠãã¹ãã®ç¯å²ãæ¡åŒµããä»ãŸã§èŠéããããã¡ã ã£ãã·ããªãªãã«ããŒããããšãæå¹ãªæŠç¥ãšãªããŸãã
ã¡ã³ããã³ã¹ãè¡ãéã«ã¯ããã¥ã¡ã³ãã®æŽæ°ãå¿ããã«ãã³ãŒãã ãã§ãªãããã¹ãæŠç¥ãChatGPTã®äœ¿çšäŸãªã©ã®ããã¥ã¡ã³ããææ°ã®ç¶æ ã«ä¿ã€ããšããæ°ããªã¡ã³ããŒã®è¿ éãªãã£ããã¢ããããå€éšãšã®ã³ãã¥ãã±ãŒã·ã§ã³ã«ãããŠåœ¹ç«ã¡ãŸãã
6.4 å°æ¥çãªæè¡ååãšçµ±åã®é²åã«ã€ããŠ
AIãšãã¹ãèªååã®åéã¯çµ¶ããé²åããŠãããéçºè ã¯åžžã«æ°ããæè¡ååã«ç®ãåããŠããå¿ èŠããããŸããChatGPTã®ã¢ã«ãŽãªãºã ãæ©èœãåäžããããšã§ãJUnitã®å©çšæ¹æ³ãé²åããã§ãããã
äºæž¬äžå¯èœãªãã°ãçºèŠããèœåããããæŽç·Žããããã¹ãã·ããªãªã®çæãªã©ãAIã®é²æ©ãããããå¯èœæ§ã«å¯Ÿå¿ã§ãããããç¶ç¶çãªåŠç¿ãšæè¡é©æ°ã«æ³šåããããšãéèŠã§ãã
æçµçã«ãChatGPTãšJUnitã®çµ±åã¯éçºããã»ã¹ã倧ããå€ããå¯èœæ§ãç§ããŠããŸããå°æ¥çãªæè¡ååãäºæž¬ããªãããé²åããçµ±åæŠç¥ãç©æ¥µçã«æ¡çšããããšã§ãéçºãããžã§ã¯ãã次ã®ã¬ãã«ãžãšå°ãããšãã§ããã®ã§ãã
ãŸãšã
ããžãã¹ããŒãœã³ã®çããŸã«åããChatGPTãšJUnitã掻çšããæ¹æ³ãã玹ä»ããŸããèªåãã¹ãã¯ãœãããŠã§ã¢éçºã®å¹çåã«å¿ é ã§ããJUnitã¯Javaã®ãã¹ããã¬ãŒã ã¯ãŒã¯ã§ãæè»æ§ãšäœ¿ãããããæäŸããŸããChatGPTãçµã¿åãããããšã§ããã¹ãã³ãŒãã®çæãå¹çåããå質ãåäžãããããšãã§ããŸãã
ChatGPTãšJUnitã®çµ±åã§ã¯ããã©ã¡ãŒã¿ã©ã€ãºããã¹ããã¢ãã¯ãªããžã§ã¯ãã掻çšãããã¹ãã±ãŒã¹ãããç°¡åã«æžãããšãå¯èœã§ããChatGPTã¯éçºããã»ã¹ã«ãããŠãã¹ãã³ãŒãã®çæãèªååããç¶ç¶çã€ã³ãã°ã¬ãŒã·ã§ã³ã«è²¢ç®ããŸãã
å¹æçãªãã¹ãæŠç¥ã§ã¯ããã¹ãèšç»ã®çå®ãã«ãã¬ããžã®æ倧åãéµãšãªããŸããChatGPTãçšããããšã§ãããã®èª²é¡ã容æã«ãªãããªã¢ã«ã¯ãŒã«ãã®ãããžã§ã¯ãã§ããã®å¹æã瀺ãããŠããŸãã
ChatGPTãšJUnitã®æé©ãªçµ±åæŠç¥ãç«ãŠãã«ã¯ãéå§åã®æ€èšäºé ãæé©ãªéçºç°å¢ã®æ§ç¯ããããŠç¶ç¶çãªã¡ã³ããã³ã¹ãéèŠã§ãããã®çµ±åã¯å°æ¥çãªæè¡ååãšãšãã«é²åãç¶ããŸãã