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新人がTDDを学ぶ方法
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Kunihiko Ito
April 11, 2012
Programming
230
2
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新人がTDDを学ぶ方法
TDD カンファレンス 2012 LT
Kunihiko Ito
April 11, 2012
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Transcript
ג ӬγεςϜϚωδϝϯτ ҏ౻ LVOJUPP!FTNDPKQ 2012.04.06 TDD ΧϯϑΝϨϯε 2012 ৽ਓ͕5%%Λ ֶͿํ๏
!LVOJUPP
ϑΟʔυόοΫɺ͝ҙݟ ײɺͩΊͩ͠ ͜ͷޙͷ࠙ձ ·ͨɺ!LVOJUPPͰ ͓͍ͪͯ͠·͢
ࣗݾհ wडୗ։ൃΛ͍ͯ͠Δ+BWBϓϩάϥϚ w৽ଔͰೖࣾͯ͠ɺ5%%ΛॳΊͯͬͨ wΦϒδΣΫτࢦ͕͖ wҙਤͷΘΔιʔείʔυΛॻ͘͜ͱΛ େʹ͍ͯ͠Δ
֓ཁ w৽ਓ͕5%%ΛͲͷΑ͏ʹֶ Μ͔ͩ wීஈͲͷΑ͏ʹߟ͑ͯςε τΛॻ͍͍ͯΔ͔
৽ਓ͕5%%ΛͲͷΑ͏ʹֶΜ ͔ͩ wࢣঊͱϖΞϓϩ ϖΞ࡞ۀ wࢦࣔΛ͍ͳ͕ΒίʔυΛॻ͘
ϓϩμΫτίʔυΛ มߋ͠Α͏ͱ͢Δͱ ʮ·ͣςετ͔Βॻ͜͏͔ʯ Λ܁ฦͨ͠
܁ฦ͠ݴΘΕΔ͜ͱʹ Αͬͯࣗવͱςετ͔ Βॻ͘Α͏ʹͳͬͨ
ςετॻ͘Α͏ʹͳͬ ͍͍͕ͨɺ࣮ࡍʹҰ ਓͰॻ͜͏ͱ͢Δͱख ͕ࢭ·Δ͜ͱ͕େ͔ͬ ͨ
ͳͥख͕ࢭ·Δͷ͔
͋Εߟྀ͠ͳ͖Ό ͋ͦͯͨ͠Β͋ͬͪ ͩɻ͡Ό͖ͬ͞ͷ େৎͳͷ͔ͳ
ࢣঊͷڭ͑ w༨ܭͳ͜ͱߟ͑ͳ͍ɻ wࠓඞཁͳҰ൪؆୯ͳྫΛҰͭͩ ͚ߟ͑Α͏ɻ wෆ҆ɺࣗ৴ͷͳ͍ͱ͜Ζͷςε τΛॻ͜͏ɻ
ඞཁͳ͜ͱΛඞཁͳͱ͖Δ w؆୯ͳྫΛ܁ฦ͠ঃʑʹඞཁͳ ϓϩμΫτΛΈཱ͍ͯ͘
ීஈͲͷΑ͏ʹςετΛॻ͍ ͍ͯΔ͔ wϙʔΧʔΛࡐʹ࡞ͯ͠ΈΔ wϓϨΠϠʔ͕ϫϯϖΞ͔Ͳ͏͔ ఆ͢ΔϝιουΛ࡞ ϫϯϖΞɿಉҰϥϯΫʢࣈʣͷΧʔυຕͷϖΞ ηοτʢΓຕԿͰΑ͍ʣɻ
JT0OF1BJSΛ࡞Ζ͏ wΫϥεΛ࡞Δ 1MBZFS wςετΫϥεΛ࡞Δ 5FTU1MBZFS wख࣋ͪΧʔυͷࣈ͕ɺɺ ɺɺͷ࣌USVFΛฦ͢
JT0OF1BJS͕USVFΛฦ͢
ख࣋ͪΧʔυͷࣈ͕ɺɺ ɺɺͷ࣌
ख࣋ͪΧʔυͷࣈ͕ɺɺ ɺɺͷ࣌
ख࣋ͪΧʔυͷࣈ͕ɺɺ ɺɺͷ࣌
ख࣋ͪΧʔυͷࣈ͕ɺɺ ɺɺͷ࣌
JT0OF1BJSΛ࡞Ζ͏ wख࣋ͪΧʔυͷࣈ͕ɺɺ ɺɺͷ࣌GBMTFΛฦ͢
ख࣋ͪΧʔυͷࣈ͕ɺɺ ɺɺͷ࣌GBMTFΛฦ͢
ख࣋ͪΧʔυͷࣈ͕ɺɺ ɺɺͷ࣌GBMTFΛฦ͢
JT0OF1BJS
JT0OF1BJS ࣍ͷέʔεΛߟ͑ͳ͍ͱ ͍͚ͳ͍ɻ εʔτ ֆฑ ͱ͔Ͷ
·ͱΊ
༨ܭͳ͜ͱΛߟ͑ͣখ͞ ͕ࣗ͘ߟ͍͑͢͜ͱ ͔ΒςετΛ࡞͍ͬͯ͘ ͜ͱͰঃʑʹίʔυΛҭ ͍ͯͯ͘͜ͱ͕Ͱ͖Δɻ
5%%ͷςετ۩ମͳঢ় گΛߟ͍͑͢ܗͰॻ͍ ͍ͯ͘ͷ