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2020年度 ミクシィ新卒研修 -設計・テスト- / 2020 design test mix...
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rockname
April 15, 2020
Programming
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2020年度 ミクシィ新卒研修 -設計・テスト- / 2020 design test mixi training
2020年度の株式会社ミクシィ における新卒研修の資料です
repository:
https://github.com/mixi-inc/2020TDDTraining
rockname
April 15, 2020
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Transcript
ϛΫγΟ৽ଔݚम ઃܭɾςετ גࣜձࣾϛΫγΟΈͯͶࣄۀ෦ ϩΫωϜ!@SPDLOBNF
NJYJ *OD ࠓճͷݚमͷΰʔϧ w ྑ͍ઃܭ ѱ͍ઃܭΛཧղ͢Δ w ςετͷجຊతͳॻ͖ํΛཧղ͢Δ
NJYJ *OD ͳͥྑ͍ઃܭ͕ٻΊΒΕΔͷ͔ w ઃܭͷ࣭͕ྑ͚Εɺ৽͍͠ϦϦʔεͷͨͼʹඞཁͳ࿑ྗগͳ͑͘ΒΕ·͢ w ࣭͕ѱ͚ΕɺࠣࡉͳมߋͰ͑͞େྔͷϑΝΠϧ܈ʹ·͕ͨͬͯෳՕॴΛमਖ਼͠ɺͦ ͷӨڹൣғ͚ͩಈ࡞֬ೝΛ͢Δඞཁ͕͋ͬͨΓ͠·͢ w ܦӦऀࢹͰͷཁٻεϐʔυΛຬͨͤͳ͘ͳΓɺڝ߹ଞࣾͱͷ૪͍ʹഊ͢ΔҰҼʹ͢
ΒͳΓ͔Ͷ·ͤΜ
NJYJ *OD ྑ͍ઃܭΛྺ࢙ʹֶͿ w ϓϩάϥϛϯάݴޠͷύϥμΠϜҎԼͷΑ͏ͳਐԽΛ͖͛ͯ·ͨ͠ ߏԽϓϩάϥϛϯά ΦϒδΣΫτࢦϓϩάϥϛϯά
ؔܕϓϩάϥϛϯά
NJYJ *OD ߏԽϓϩάϥϛϯά w ॱ࣍ɾ෮ɾબͷ੍ޚߏʹΑͬͯϓϩάϥϜΛهड़Ͱ͖ΔΑ͏ʹ͠·ͨ͠ w ॱ্͔࣍ΒԼʹॲཧ͕࣮ߦ͞Ε͍ͯ͘ w ෮EPXIJMFͷΑ͏ʹ݅Λຬͨ͢ݶΓॲཧΛ܁Γฦ͢ w
બJGUIFOFMTFͷΑ͏ʹ݅ʹԠͯ͡ॲཧΛ͔ͭ w ࢦఆͨ͠ҙͷҐஔʹҠಈ͢ΔHPUPจΛഇࢭͯ͠ɺ্هͷ੍ޚߏΛ༻͍Δ͜ͱͰɺ ূՄೳͳϓϩάϥϛϯάͷ୯ҐΛ࡞Ͱ͖ΔΑ͏ʹ͠·ͨ͠ ʮ$MFBO"SDIJUFDUVSFୡਓʹֶͿιϑτΣΞͷߏͱઃܭʯୈষΑΓ
NJYJ *OD ΦϒδΣΫτࢦϓϩάϥϛϯά w ΦϒδΣΫτࢦݴޠ͕ొ͢ΔҎલɺϙϦϞʔϑΟζϜΛؔͷϙΠϯλʹΑͬͯද ݱ͍ͯ͠·ͨ͠ w ͔͠͠ɺʮϙΠϯλܦ༝ͰؔΛݺͼग़͢ʯͱ͍͏͜ͱΛҙࣝͯ͠ίʔυΛѻΘͳ͚Ε ͳΒͣɺඇৗʹյΕ͍͢ঢ়ଶͰͨ͠ w
ΦϒδΣΫτࢦݴޠܧঝʹΑΔ҆શͳϙϦϞʔϑΟζϜख๏ͷఏڙʹΑΓɺ͜ͷΑ͏ ͳؒతͳ੍ޚͷҠߦΛ੍͠·ͨ͠ ʮ$MFBO"SDIJUFDUVSFୡਓʹֶͿιϑτΣΞͷߏͱઃܭʯୈষΑΓ
NJYJ *OD ؔܕϓϩάϥϛϯά w ม͕࠶ೖՄೳͰ͋Δ͜ͱʹΑͬͯɺڝ߹ঢ়ଶσουϩοΫ ฒߦߋ৽ͳͲɺҙࣝ͢ ͖͕ଟ͍Ͱ͢ w ؔܕݴޠɺมʹҰೖ͞ΕͨΛෆมʹ͢Δ͜ͱͰ͜ͷΑ͏ͳΛؾʹ͢Δ ඞཁΛഉআ͠·ͨ͠
ʮ$MFBO"SDIJUFDUVSFୡਓʹֶͿιϑτΣΞͷߏͱઃܭʯୈষΑΓ
NJYJ *OD ྑ͍ઃܭΛྺ࢙ʹֶͿ w ʮԿΛ͖͢Ͱͳ͍͔ʯͱ͍͏نΛ՝͢͜ͱͰɺϓϩάϥϛϯάͷύϥμΠϜਐԽΛ ͖͛ͯ·ͨ͠ ߏԽϓϩάϥϛϯάˠHPUPจͷഇࢭ తͳ੍ޚͷҠߦʹର͢Δن
ΦϒδΣΫτࢦϓϩάϥϛϯάˠ ϙΠϯλܦ༝ʹΑΔؔݺͼग़͠ͷഇࢭ ؒతͳ੍ޚͷҠߦʹର͢Δن ؔܕϓϩάϥϛϯάˠมͷ࠶ೖͷഇࢭ ೖʹର͢Δن w نΛ੍࣋ͬͯݶ͢ΔൣғΛ͛Δ͜ͱͰɺίʔυͷՄಡੑͱอकੑΛ୲อ͖ͯͨ͠ͷͰ͢
ྑ͍ઃܭ໌ྎͳن
NJYJ *OD ΞʔΩςΫνϟʹΑΔن w ΞʔΩςΫνϟɺγεςϜʹ͓͚Δίϯϙʔωϯτಉ࢜ͷؔΛߏԽͯ͠ఆٛͨ͠ ͷͰ͢ w ֤ίϯϙʔωϯτͷؔʹରͯ͠نΛ՝͢͜ͱͰɺγεςϜͷதظతͳอकੑΛ୲อ ͠·͢ w
ྑ͍ΞʔΩςΫνϟΛߟ͑Δ্ͰɺҎԼͷͭͷํ͕ॏཁͰ͢ w ίϯϙʔωϯτؒͷґଘ॥ͤ͞ͳ͍ w ίϯϙʔωϯτΑΓ҆ఆͷߴ͍ํґଘͤ͞Δ
NJYJ *OD ίϯϙʔωϯτؒͷґଘ॥ͤ͞ͳ͍ w ίϯϙʔωϯτͷؔʹ॥ґଘ͕ଘࡏ͍ͯͨ͠ ߹ɺมߋͷӨڹൣғ͕ෆ໌ྎ͔ͭɺෳਓʹΑΔ։ ൃنͷεέʔϧ͕࣮ݱͰ͖·ͤΜ w ίϯϙʔωϯτಉ࢜ͷڥքΛ໌֬ʹܾΊͯɺґଘͷ ํΛ୯ํʹ͢Δ͜ͱ͕େͰ͢
NJYJ *OD ίϯϙʔωϯτΑΓ҆ఆͷߴ͍ํґଘͤ͞Δ w ίϯϙʔωϯτؒͷґଘͷํΛߟ͑Δࡍʹɺ҆ఆͷߴ͍ํґ ଘΛ৳͠·͢ w ҆ఆͱʮมΘΒͳ͍͜ͱʯɺݴ͍͑Εʮมߋ͠ʹ͍͘͜ͱʯΛࢦ ͠·͢ w
8FCΞϓϦέʔγϣϯͰߟ͑Δͱɺ7JFX"1*มߋͷසߴ͘ ෆ҆ఆͰ͋Δͱݴ͑·͢ w ٯʹ%#εΩʔϚͳͲҰఆٛ͢Δͱมߋ͠ʹ͍͘ͷͰ҆ఆ͕ߴ ͍ͱݴ͑ΔͰ͠ΐ͏ w มߋස͕ߴ͍ίϯϙʔωϯτʹґଘ͢ΔίϯϙʔωϯτΛগͳ͘͢Δ ͜ͱͰɺͷमਖ਼ൣғΛڱΊΔ͜ͱ͕Ͱ͖·͢
NJYJ *OD ϨΠϠʔυΞʔΩςΫνϟ w Ҏ্ͷΛߟྀͨ͠༗໊ͳΞʔΩςΫνϟͱͯ͠ɺϨΠϠʔυΞʔ ΩςΫνϟ͕ଘࡏ͠·͢ w ͷϨΠϠʔʹίϯϙʔωϯτΛ۠ΓɺґଘؔΛํʹἧ͑Δ ͷͰ͢ w
6*6*ͷϨΠΞτΛߦ͏ w ΞϓϦέʔγϣϯ6*ͷঢ়ଶཧυϝΠϯͱͷڮ͠Λߦ͏ w υϝΠϯυϝΠϯʹ͓͚ΔϏδωεϩδοΫΛ࣮͢Δ w Πϯϑϥ%#֎෦γεςϜͷΞΫηεΛߦ͏
NJYJ *OD ࠓճͷݚमʹ͍ͭͯ w ͯ͞ɺຊͷࠓճͷݚमʹ͍ͭͯͰ͢ w Έͳ͞Μʹࠓ͔Βɺ3VCZPO3BJMTʹΑͬͯ࡞ΒΕͨαϯϓϧΞϓϦέʔγϣϯʹɺ ΞʔΩςΫνϟΛద༻͠ͳ͕ΒϦϑΝΫλϦϯάͯ͠Β͍·͢ w ৄࡉIUUQTHJUIVCDPNNJYJJOD5%%5SBJOJOHͷ3&"%.&Λࢀরͯͩ͘͠
͍͞
NJYJ *OD ࠷ऴతͳΞʔΩςΫνϟ
NJYJ *OD ςετΛॻ͍ͯΈͯ w ͔ͨ͠͠Βςετʹରͯ͠ɺҎԼͷΑ͏ͳΘ͠͞Λײͨ͡ਓ͍Δ͔͠Ε·ͤΜ w ॻ͘ίʔυྔ͕୯७ʹഒ w ςετίʔυΛॻ͘ڥͷߏங อकʹίετ͕͔͔Δ
w ςετΛॻ͘͏͑Ͱඞཁͱ͞ΕΔࣝͷֶशίετ͕͔͔Δ
NJYJ *OD ͳͥςετΛॻ͘ͷ͔ w ςετΛॻ͘͜ͱʹΑͬͯಘΒΕΔԸܙΛཧղ্ͨ͠Ͱॻ͘͜ͱ͕େͰ͢ w જࡏతʹଘࡏ͢Δෆ۩߹ʹରͯ͠ૣ͍ஈ֊Ͱؾ͚Δ w ςετΛʮॻ͚ΔΑ͏ʹ࣮͢Δʯ͜ͱͰίʔυ͕៉ྷʹͳΔ w
෭࡞༻Λ࣋ͨͤͳ͍ w ґଘੑΛ෦ͰॳظԽͤͣ֎͔Β͢ w ػೳՃ मਖ਼ʹΑΓҙਤ͠ͳ͍ͱ͜ΖͰطଘ༷͕յΕͯɺςετ͕མͪΔ͜ͱʹ Αͬͯؾ͚Δ w ςετίʔυʹΑ࣮ͬͯͷ༷ΛυΩϡϝϯτԽͰ͖Δ
NJYJ *OD ͨͩ͠ w ݴޠϓϥοτϑΥʔϜʹΑͬͯςετͷॻ͘ྔવมΘΓ·͢ w ಈతܕ͚Ͱ͋ΕΓͷܕ·Ͱςετ͍ͨ͠ w ੩తܕ͚ͰίϯύΠϥʹΑͬͯࣗ໌ͳৼΔ͍ςετ͢Δඞཁͳ͍ w
ϓϩδΣΫτͷϑΣʔζํʹΑͬͯςετͷॻ͖ํมΘΓ·͢ w ϓϩτλΠϓʹରͯ͠ॏްʹςετΛॻ͘ඞཁͳ͍
NJYJ *OD ࠷ޙʹ w ࠓճ3BJMTʹΑͬͯ࡞ΒΕͨ8FCΞϓϦέʔγϣϯΛɺΞʔΩςΫνϟΛద༻ͭͭ͠5%%ͰϦϑΝ ΫλϦϯάͯ͠Β͍·ͨ͠ w ͔͠͠ɺߏԽ͞ΕͨΞʔΩςΫνϟͷಋೖ͕ඞͣ͠ਖ਼ղͰ͋ΔͱݶΓ·ͤΜ w ϏδωεతͳཁٻͰڝ߹ΑΓઌʹͱʹ͔͘ϦϦʔε͢Δ͜ͱ͕༏ઌ͞ΕΔͷͰ͋Εɺ3BJMTͷϨʔ
ϧʹͬͯߴͰՌΛग़͢ͷ͕ྑ͍߹͋Γ·͢ w ͨͩ͠ɺͦͷ߹ʮෛ࠴ΛआΓೖΕ͍ͯΔʯͱ͍͏ҙࣝΛ࣋ͭ͜ͱ͕େͰ͢ɺকདྷෛ࠴Λฦ͢ඞཁ ͕͋Δ͜ͱΛཹҙ͠ɺͦΕΛεςʔΫϗϧμʔʹཧղͯ͠Β͍ͳ͕Β։ൃΛਐΊΔ͜ͱ͕ཧͰ͢ w ·ͨɺࠓճͷΑ͏ͳΞʔΩςΫνϟΛ͍͟ಋೖ͢Δ߹ɺඞͣಠΓΑ͕ΓʹͳΒͣɺνʔϜͰ߹ҙ ΛऔΓͳ͕ΒυΩϡϝϯτʹઃܭͷҙਤΛ͢ɺͱ͍͏͜ͱΛΕͳ͍Α͏ʹ͠·͠ΐ͏
NJYJ *OD ࢀߟॻ੶ $MFBO"SDIJUFDUVSF ୡਓʹֶͿιϑτΣΞͷߏͱઃܭ 3PCFSU̘.BSUJO ஶ ֯య ஶ
NJYJ *OD ࢀߟॻ੶ ςετۦಈ։ൃ ,FOU#FDI ஶ ాਓ ༁