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ユニットテストに対する考え方の変遷 / Everyone should watch his l...
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mdstoy
September 29, 2025
Technology
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ユニットテストに対する考え方の変遷 / Everyone should watch his live coding
関ジャバ'25 9月度 #kanjava
mdstoy
September 29, 2025
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Transcript
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ా๛࢙ !NETUPZ גࣜձࣾ3JTF6Q +BWB͕͖ ʢࣗশʣՎͬͯགྷΕΔϓϩάϥϚʔ ओͳ࣮ɿؔδϟόͰՎ͏ɺ%BODF%BODF3FWPMVUJPOͰશࠃҰҐ ࣗݾհ 2
3 w ࠓςετʹରͯ͠ͷߟ͑ํͷมભΛͨͩ͠·͢ w ͦ͏͋Δ͖ͱ͔͍͏͙͍ͨͷͰ͋Γ·ͤΜ w ԿΛࢥ͏͔ड͚औΓख࣍ୈͰ͢ w ͳͷͰ݁͋Γ·ͤΜ w
Φν͋Γ·ͤΜ ໔ࣄ߲
4 w ࠓճͷͷʮςετʯ͍͍ͩͨ+6OJUΛͬͨϢ χοτςετͷ͜ͱΛࢦ͠·͢ ໔ࣄ߲
5 w ςετͷͨΊʹϓϩμΫγϣϯίʔυΛม͑ΔͳΜͯ ͱΜͰͳ͍ͱࢥ͍ͬͯͨ Θ͔͍ʁ͜Ζ
6 w ࣌ͷࣗܳͰ࡞͍ͬͯΔͭΓͩͬͨͷ͔ ͠Εͳ͍ Θ͔͍ʁ͜Ζ
7 w ϓϩμΫγϣϯίʔυͱςετίʔυΛओैؔͱݟ ͍ͯΔ͔ΒΑ͘ͳ͍ͷͰͳ͍͔ͱࢥͬͨ w ͱ͍͏͔ʮςετ༷ॻʯͱಉ͡Α͏ʹߟ͍͑ͯΔʁ ͢͜͠ͱ͠Λͱͬͨ
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10 w ςετίʔυͱϓϩμΫγϣϯίʔυ͕ՁͰ͋Ε Ͳ͏͔ʁͱߟ͑ͯΈͨ w Ձͱ͍͏ΑΓςετίʔυϓϩμΫτͷҰ෦ʁ ͢͜͠ͱ͠Λͱͬͨ
11 w ྲྀੴʹແཧ͕͋Δ w ςετίʔυ͕ͳͯ͘ʮಈ͘ʯ͠ w ͜ͷΜ۷͍ͬͯ͘ͱ໘നͦ͏͚ͩͲҰ୴ύε ͢͜͠ͱ͠Λͱͬͨ
12 IUUQTEFWMPWFLBOTBJEPPSLFFQFSKQFWFOUT %FW-07&ؔ͋ΔΤϯδχΞ͕ϓϩάϥϜΛ͍Ͱ͍༷͘ΛݟͯΈΔ
13 w ͍Ζ;͞Μͷςετʹର͢Δελϯεʹ৮Εͨ w ৄ͍͘͠Ζ;͞ΜͷϒϩάΛಡΜͰ͍ͩ͘͞ w IUUQTJSPGIBUFCMPKQFOUSZ ͍Ζ;͞ΜͷϥΠϒίʔσΟϯάΛΈͨ
14 w ࠓճͷΠϕϯτͰҰ൪ҹత͔ͭͨΊʹͳͬͨͷ͕ɺ͍Ζ;͞Μͷςε τͷରൣғʹର͢Δߟ͑ํͰͨ͠ɻͦΕɺ֬ೝ͍ͨ͠ࣄฑΛɺ֬ೝ Ͱ͖Δ࠷খݶͷൣғɾ࿑ྗͰ͔͠͠ͳ͍ͱ͍͏ͷɻ͜Εஏ͔ͣ͠ͳ ͕Β͔ΒϩίͰͨ͠ɻίʔυͱͱʹςετίʔυ߹Θͤͯ ͍͚ͯ͠ɺ͔֬ʹͿΕͳ͍Αͳ͊ͱࢥ͍·ͨ͠ɻࣗͷΠϝʔδ Ͱɺςετίʔυ༷ʹ߹ΘͤͯͰ͖ΔݶΓ࠷େݶʹॻ͘ͷɺͱ ͍͏ઌೖ؍͕͋ͬͨͷͰɻ ͍Ζ;͞ΜͷϥΠϒίʔσΟϯάΛΈͨײ
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16 w ͍Ζ;͞ΜͷϥΠϒίʔσΟϯάɺશਓྨʹݟͯ΄͍͠ w ؔδϟόͰʹҰճ͘Β͍ϥΠϒίʔσΟϯάճͬ ͯ͘Εͳ͍͔͠Βʁͱࢥ͏ఔʹ ͍Ζ;͞ΜͷϥΠϒίʔσΟϯάΛΈͨ