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テスト生成で気づいた、Claude Codeとのベストな役割分担
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いちご
October 17, 2025
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テスト生成で気づいた、Claude Codeとのベストな役割分担
いちご
October 17, 2025
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Transcript
ςετੜͰؾ͍ͮͨɺ Claude Codeͱͷ ϕετͳׂ୲ ʮAIʹͤΕςετࣗಈͰᘳ…ͷ͕ͣ?ʯ ͍ͪ͝ 💭 ʮAI͕ςετ·Ͱॻ͍ͯ͘ΕΔͳΒ ࠷ߴ͡ΌΜɺͱࢥͬͯࢼͨ͠ʯ
ϑϩϯτΤϯυͷςετɺ Ͳ͏ࢦࣔ͢Ε͍͍ʁ 📝 TDDʹԊͬͯʢt-wada͞Μͷਪ͢ΔΓํͰʣ Red → Green → RefactorͷαΠΫϧͰ... 📚
VitestͷެࣜυΩϡϝϯτʹԊͬͯ ϕετϓϥΫςΟεΛࢀߟʹ... 🔀 શͯͷذΛνΣοΫͯ͠ ifจɺswitchจɺࡾ߲ԋࢉࢠ... ⚠ Τοδέʔεཏͯ͠ nullɺundefinedɺۭྻ... 🎯 ΧόϨοδ90%Ҏ্Ͱ ࣭Λ୲อ͢ΔͨΊʹ...
͜ΕΒΛ ᕒͷ6จࣈ ʹࠐΊ·ͨ͠ ↓
ʮςετॻ͍ͯʯ
࠷ॳͷҰา: ࡶͳࢦࣔ Claude Codeʹґཔͯ͠Έͨ ʮςετॻ͍ͯʯ ؆୯ ͨͬͨҰݴ ͍ 6จࣈଧ͚ͭͩ ָ
ߟ͑ͳ͍͍ͯ͘ ʮSonnet 4.5ͩ͠ɺ͜ΕͰेͬ͠ΐɻʯ
ฦ͖ͬͯͨʂ
ฦ͖ͬͯͨςετίʔυ // ਖ਼ৗͷςετ test('ਖ਼ৗͳͷ߹') → ✓ ظ௨Γ // ڥքͷςετ test('͕0ͷ߹')
test('͕100ͷ߹') → ✓ ذߟྀ // Τοδέʔεͷςετ test('nullͷ߹') test('undefinedͷ߹') → ✓ ཏత 😊 ΊͬͪΌ͑͑Μʂ ఆͨ͠ςετέʔεΛॻ͍͖ͯͨ શͯͷذʹରԠ͍ͯ͠Δςετέʔε ΧόϨοδߴͦ͏
😊 ྑͦ͞͏ʂ
Ͱ ͍ٙਂ͍Ͱ͢
ifจΛ1ͭ1ͭ ফͯ͠Έͨ
😊 ௨ͬͨʂΊͰͨ͠
͑ʁ
௨ͬͪΌͩΊͳΜͰ͢ 😱 ϋϦϘςײ ݁ہ… ݟͨཏత͚ͩͬͨͲɺ ࣮ࡍϋοϐʔύε ͔͠ ςετͯ͠ͳ͔ͬͨ ʮذͷςετͬͯॻ͍ͯ͋ͬͨͷʹ…ʯ
ͦ͜Ͱɺ͜͏͢Δ બࢶᶃ ΊͬͪΌؤுͬͯ టष͘Δ ۩ମతʹ ifจΛ1ͭͣͭ खಈͰίϝϯτΞτͯ͠ ςετͷ݀Λݟ͚ͭΔ બࢶᶄ ΧελϜεϥογϡίϚϯυ
ͰϓϩϯϓτΛ ۩ମతʹ ৄࡉͳϓϩϯϓτΛ ίϚϯυԽͯ͠ ςετੜΛ࠷దԽ
ࢀߟɿ ΧΠτ͞Μͷهࣄ ͷ͘͢͝༗ޮ ৄࡉͳϓϩϯϓτΛίϚϯυԽͰ ςετ࣭͕ܶతʹ্ ϋοϐʔύεʹͳ͍ͬͯ ͳ͍ ڥքΤοδέʔε ͔ͬ͠ΓΧόʔͰ͖Δ ৄͪ͘͜͠Β
↑
·ͱΊɿཧͱݱ࣮ɺͦͯ͠ΤϯδχΞͷՁ ཧͷະདྷ ʮςετॻ͍ͯʯͷ ࡶͳࢦࣔͰ ᘳͳςετ͕Ͱ͖Δੈք ݱࡏ ·ͩͦ͜ʹ ౸ୡ͍ͯ͠ͳ͍ɻͰॻ͚Δɻ ࡶͳࢦࣔͰ௨Βͳ͍ ࠓͷΤϯδχΞͷՁ
ͦͷؒΛຒΊΔͨΊʹ ʮ͏·͘Δʯํ๏ Λݟ͚ͭΔ͜ͱ ࠓͷਓؒͷׂ ͋͑ͯటष͘Δͷ͋Γ Custom slash commandΛඋ͢Δ ཧͷະདྷདྷΔɻ Ͱࠓ·ͩɺਓؒͷग़൪ɻ
Ͱɺ͓લ୭ʁ ϑϦʔϥϯεΤϯδχΞͷ ͍ͪ͝ ʢ߹ಉձࣾιωοτʣ YouTubeͬͯ·͢ ↓ ʮ ͍ͪ͝ claude code
ʯ Ͱݕࡧ
࣍ճ Custom slash command උͯ͠ςετॻ͍ͯΈͨ ָ͓͠Έʹ...