読みやすいテストコードへの一歩、適切なAssertionを使う

by asumikam

Slide 1

Slide 1 text

ಡΈ΍͍͢ςετίʔυ΁ͷҰาɺ ద੾ͳ"TTFSUJPOΛ࢖͏ BTVNJLBN

Slide 2

Slide 2 text

͜Μʹͪ͸ʂ w͋͢Έ͔Μ͏·Εͦͩͪ͸͗͢ͳΈ͘ w 𝕏 !BTVNJLBNখాݪ͔Β͖·ͨ͠

Slide 3

Slide 3 text

QSJWBUFϝιουͷςετͬͯ ॻ͔ͳ͍ํ͕͍͍Μ͚ͩͬʁ 1)1FS,BJHJ BTVNJLBN ͖ͬ͞ ൃද͖ͯͨ͠ż‼

Slide 4

Slide 4 text

͖ͬ͞ͷൃද IUUQTTIPVMEJUFTUQSJWBUFNFUIPETDPN

Slide 5

Slide 5 text

ʮ୯ମςετͷߟ͑ํ࢖͍ํʯ ୯ମςετʹ͓͍ͯɺ֤ςετɾέʔε͕ ͢΂͖͜ͱ͸ͦͷςετʹؔΘΔਓͨͪʹ ςετର৅ͷίʔυ͕ղܾ͠Α͏ͱ͍ͯ͠ Δ෺ޠʢTUPSZʣΛ఻͑Δ͜ͱͳͷͰ͢ɻ ͖ͬ͞ͷൃද

Slide 6

Slide 6 text

ετʔϦʔ͕͏·͘఻ΘΔͱ͸ ࢓༷ ͕ςετέʔεʹΑͬͯ දݱ͞Ε͍ͯΔ͜ͱ͕େࣄͳͷͰ͸ͳ͍͔ ͖ͬ͞ͷൃද

Slide 7

Slide 7 text

ʮ࢓༷ʯΛςετίʔυʹදݱ͢Δ w ஌Βͳ͍ίʔυΛಡΉ࣌ʹςετίʔυ͕͋Δͱ   ʮͳʹΛΧόʔ͍ͯ͠Δ͔ʯ͕͙͢ʹΘ͔ͬͯྑ͍ w ͭ·ΓɺʮͳʹΛΧόʔ͍ͯ͠Δ͔ʯΛ   త֬ʹࣔ͢ΞαʔγϣϯΛॻ͘͜ͱ͕େࣄ

Slide 8

Slide 8 text

දݱํ๏ʹ΋ʮ͍ۙʯͱʮԕ͍ʯ͕͋Δ w ۙ͗͢ΔͱzِཅੑzͬΆ͘ͳΔ͠   ԕ͗͢ΔͱzِӄੑzͬΆ͘ͳΔ🧐   w ৄ͘͠͸ˠ

Slide 9

Slide 9 text

࢓༷Λදݱͨ͠ྑ͍ڑ཭ײͷ   ςετίʔυΛॻͨ͘Ίʹʜ ͲΜͳ"TTFSUJPO͕͋Δ͔Λ ஌͓ͬͯ͘ͷ͕େࣄ🙌

Slide 10

Slide 10 text

࢓༷Λදݱͨ͠ྑ͍ڑ཭ײͷ   ςετίʔυΛॻͨ͘Ίʹʜ ͲΜͳ"TTFSUJPO͕͋Δ͔Λ ஌͓ͬͯ͘ͷ͕େࣄ🙌

Slide 11

Slide 11 text

΍͍ͬͯ͘ʂ ͋͢ΈΊ΋ ͜͜·ͰͰ෼

Slide 12

Slide 12 text

͓͠ͳ͕͖ ʮద੾ʹʯۙ͘͢Δ ʮͪΐͬͱԕΊʹʯ഑ྻΛΈΔ BTTFSU&RVBMT

Slide 13

Slide 13 text

ʮద੾ʹʯۙ͘͢Δ

Slide 14

Slide 14 text

ʮద੾ʹʯۙ͘͢Δ w ʮͦΕBTTFSU4BNFΑΓద੾ͳͷ͋Δ͔΋ʂ🧐ʯ w ࢥߟͷख਺ΛݮΒͯ͠ʮద੾ʹʯ͍ۙͯ͘͘͠

Slide 15

Slide 15 text

ʮBTTFSU4BNFʯΛ࢖͏ͱʜ Կ͔͕ʮಉ͡ʯͩͳʙ ͱԿ͔͕ಉͩ͡ͳʙ ͳʹ͔ΛDPVOUͯ͠Δͧ BDUVBM͔ʂ

Slide 16

Slide 16 text

ʮBTTFSU$PVOUʯΛ࢖͏ͱ‼ Կ͔͕ʮಉ͡਺ʯͩͳʙ ͱԿ͔͕ಉͩ͡ͳʙ BDUVBM͔ʂ

Slide 17

Slide 17 text

ʮࢥߟͷख਺ʯ͕ݮΔײ͡ ՄಡੑŗşƄŗşƄ

Slide 18

Slide 18 text

ʮࢥߟͷख਺ʯΛݮΒͧ͢ʂू

Slide 19

Slide 19 text

ʮࢥߟͷख਺ʯΛݮΒͧ͢ʂू

Slide 20

Slide 20 text

ʮࢥߟͷख਺ʯΛݮΒͧ͢ʂू BTTFSU4BNFΑΓ Ҿ਺͕ݮͬͨΓ͢Δ ΢Ϩϐʔ😘

Slide 21

Slide 21 text

ʮࢥߟͷख਺ʯΛݮΒ͢ڧྗͳڠྗऀ w 3FDUPS͕ஔ͖׵͑ͯ͘ΕͨΓ w IUUQTHJUIVCDPNSFDUPSQIQSFDUPSQIQVOJUCMPCNBJOSVMFT $PEF2VBMJUZ3FDUPS.FUIPE$BMM"TTFSU1SPQFSUZ&YJTUT3FDUPSQIQ w 1)14UPSN͕ࢦఠͯ͘͠ΕͨΓ w IUUQTXXXKFUCSBJOTDPNIFMQQIQTUPSNQIQBTTFSUJPODBOCF SFQMBDFEXJUIBTTFSUFNQUZBTTFSUOPUFNQUZIUNM w 1)14UBO͕ࢦఠͯ͘͠ΕͨΓ w IUUQTHJUIVCDPNQIQTUBOQIQTUBOQIQVOJU

Slide 22

Slide 22 text

ʢ༨ஊʣ NFTTBHF͔͍ͯ·͔͢ʁʁ͔͖·͠ΐ͏ʂʂ खͬऔΓૣ͘ʮਖ਼͘͠ͳ͍ʯΛ ఻͑ΒΕͯՄಡੑŗşƄŗşƄɻ ͋͢ΈΊ΋ ͜͜·ͰͰ෼

Slide 23

Slide 23 text

ʮͪΐͬͱԕΊʹʯ ഑ྻΛΈΔ

Slide 24

Slide 24 text

BTTFSU4BNFͰશ෦ݟΔͱ ͪΐͬͱۙ͗͢Δ͕࣌͋Δ

Slide 25

Slide 25 text

BTTFSU4BNFͰશ෦ݟΔͱ ͪΐͬͱۙ͗͢Δ͕࣌͋Δ શ෦Λ͔֬Ί͍ͨ Θ͚͡Όͳ͍ Μ͚ͩͲͳ͊

Slide 26

Slide 26 text

BTTFSU4BNFͰશ෦ݟΔͱ ͪΐͬͱۙ͗͢Δ͕࣌͋Δ શ෦Λ͔֬Ί͍ͨ Θ͚͡Όͳ͍ Μ͚ͩͲͳ͊ BTTFSU4BNF࢖͏ͱ ͔֬Ί͍ͨ͜ͱ͕ ϘϠ͚Δͳ͊

Slide 27

Slide 27 text

BTTFSU4BNFͰશ෦ݟΔͱ ͪΐͬͱۙ͗͢Δ͕࣌͋Δ શ෦Λ͔֬Ί͍ͨ Θ͚͡Όͳ͍ Μ͚ͩͲͳ͊ BTTFSU4BNF࢖͏ͱ ͔֬Ί͍ͨ͜ͱ͕ ϘϠ͚Δͳ͊ େ͕খΛ ݉Ͷͳ͍

Slide 28

Slide 28 text

ʮͪΐͬͱԕΊʯ͔ΒΈͯ ͪΐ͏Ͳ͍͍࣌΋͋Δ

Slide 29

Slide 29 text

Έ͍ͨͱ͜Ζ͚ͩɺΈΔʂ

Slide 30

Slide 30 text

BTTFSU"SSBZ)BT,FZ ʮͪΐͬͱԕΊʯ͔Β഑ྻΛΈΔू *UFSBCMFʢ഑ྻʣʹࢦఆͷΩʔ͕͋Δ͔

Slide 31

Slide 31 text

BTTFSU$POUBJOT ʮͪΐͬͱԕΊʯ͔Β഑ྻΛΈΔू *UFSBCMFʢ഑ྻʣͷதʹࢦఆͷཁૉ͕͋Δ͔

Slide 32

Slide 32 text

BTTFSU$POUBJOT0OMZ ʮͪΐͬͱԕΊʯ͔Β഑ྻΛΈΔू *UFSBCMFʢ഑ྻʣͷཁૉ͕ࢦఆͷܕͷΈ͔

Slide 33

Slide 33 text

BTTFSU$POUBJOT 0OMZ*OTUBODF0G ʮͪΐͬͱԕΊʯ͔Β഑ྻΛΈΔू *UFSBCMFʢ഑ྻʣͷཁૉ͕   ͢΂ͯࢦఆͷΦϒδΣΫτ͔

Slide 34

Slide 34 text

ਖ਼͍͠ڑ཭ײΛߟ͑ͯ ΞαʔγϣϯΛબ΅͏ ͋͢ΈΊ΋ ͜͜·ͰͰ෼

Slide 35

Slide 35 text

BTTFSU&RVBMT

Slide 36

Slide 36 text

Α͘ฉ͖·͢ΑͶɺίϨɻ

Slide 37

Slide 37 text

Α͘ฉ͖·͢ΑͶɺίϨɻ

Slide 38

Slide 38 text

Α͘ฉ͖·͢ΑͶɺίϨɻ ཁ͸ʮΏΔ͍ൺֱʯͱʮ͖͍ͭൺֱʯ

Slide 39

Slide 39 text

΋͏Ұาઌ΁

Slide 40

Slide 40 text

ʮΏΔ͍ʯํ͕خ͍࣌ͬͯ͠ͳ͍Ͱ͔͢ʁ

Slide 41

Slide 41 text

ʮΏΔ͍ʯํ͕خ͍࣌ͬͯ͠ͳ͍Ͱ͔͢ʁ wΦϒδΣΫτ w഑ྻ

Slide 42

Slide 42 text

BTTFSU&RVBMTͱΦϒδΣΫτ

Slide 43

Slide 43 text

BTTFSU&RVBMTͱΦϒδΣΫτ ˡམͪΔ

Slide 44

Slide 44 text

BTTFSU&RVBMTͱΦϒδΣΫτ ˡམͪΔ ˡམͪͳ͍

Slide 45

Slide 45 text

BTTFSU&RVBMTͱΦϒδΣΫτ wΦϒδΣΫτಉ࢜ͷൺֱ   ͩͱBTTFSU&RVBMTͷํ͕   خ͍͠   w͜Μͳײ͡ͷʮخ͍͠ʯ   ৭ʑ୳͍ͬͯ͘Ρʂʂʂ

Slide 46

Slide 46 text

BTTFSU&RVBMTͱ࿈૝഑ྻ

Slide 47

Slide 47 text

BTTFSU&RVBMTͱ࿈૝഑ྻ ˡམͪΔ

Slide 48

Slide 48 text

BTTFSU&RVBMTͱ࿈૝഑ྻ ˡམͪΔ ˡམͪͳ͍

Slide 49

Slide 49 text

BTTFSU&RVBMTͱ࿈૝഑ྻ

Slide 50

Slide 50 text

BTTFSU&RVBMTͱ࿈૝഑ྻ w ࿈૝഑ྻͷॱ൪ w Ωʔͷॱ൪Λؾʹͤͣʹ   Ξαʔγϣϯ͍ͨ࣌͠ʹ࢖͑Δ w ʮॱ൪ʹ͸ڵຯͳ͍Ͱ͢Αʯ   ͬͯ࣌ʹબ୒͢Δ

Slide 51

Slide 51 text

ఴࣈ഑ྻͷ৔߹

Slide 52

Slide 52 text

ఴࣈ഑ྻͷ৔߹ ˡམͪΔ

Slide 53

Slide 53 text

ఴࣈ഑ྻͷ৔߹ ˡམͪΔ ˡམͪΔ

Slide 54

Slide 54 text

ఴࣈ഑ྻͷ৔߹ ŪƄŖţſ

Slide 55

Slide 55 text

ఴࣈ഑ྻͷ৔߹ 🤩🤩🤩

Slide 56

Slide 56 text

ఴࣈ഑ྻͷ৔߹ BTTFSU&RVBMT $BOPOJDBMJ[JOH ഑ྻͷཁૉ͕ಉ͡Ͱ͋Δ͔Ͳ͏͔Λݕূɺ   ॱংΛແࢹͯ͠ൺֱ

Slide 57

Slide 57 text

ఴࣈ഑ྻͷ৔߹ BTTFSU&RVBMT $BOPOJDBMJ[JOH ഑ྻͷཁૉ͕ಉ͡Ͱ͋Δ͔Ͳ͏͔Λݕূɺ   ॱংΛແࢹͯ͠ൺֱ நग़ॲཧͰ ࣃൈ͚ʹͳͬͨ഑ྻ ͱ͔ʹศར

Slide 58

Slide 58 text

"QQFOEJY 1)16OJU͕͘Δ🚀

Slide 59

Slide 59 text

"QQFOEJY1)16OJU͕͘Δ🚀 w 5FTU%PVCMFT w 1)16OJUͰTPGUEFQSFDBUFEʹͳͬͨςετελϒͱϞοΫΦϒδΣΫτ ؔ࿈ͷϝιου͕IBSEEFQSFDBUFEʹʢ1)16OJUͰ࡟আʣ w .FUBEBUB w EPDίϝϯτͰॻ͍͍ͯͨςετΞ ϊςʔγϣϯ͕EFQSFDBUFEʹ ʢ1)16OJUͰ࡟আʣ w "UUSJCVUFͰॻ͜͏ͳʂʂʂ w NPSFIUUQTQIQVOJUEFBOOPVODFNFOUTQIQVOJUIUNM

Slide 60

Slide 60 text

śŭŭŸ1)16OJU֓࿦ʢ͞Μʣ ίϨͱ߹Θͤͯ 1)16OJUͷ DIBOHFMPHΛݟΔͱ ྲྀΕ͕Θ͔ͬͯ ໘ന͍👏

Slide 61

Slide 61 text

·ͱΊ·͢ʂ

Slide 62

Slide 62 text

wʮԕۙײ͕ŘŘײ͡ʯͷΞαʔγϣϯΛॻ͘ͱ   ಡΈ΍͍͢ςετίʔυʹͳΔϤ wͬͯ͐ʙͷ͔Β৭ʑ঺հ͖ͯ͠·ͨ͠

Slide 63

Slide 63 text

ʮద੾ʹʯۙ͘͢Δ

Slide 64

Slide 64 text

wBTTFSU$PVOU wBTTFSU5SVF BTTFSU'BMTF wBTTFSU/VMM wBTTFSU&NQUZ ʮద੾ʹʯۙ͘͢Δ

Slide 65

Slide 65 text

ʮԕۙײʯΛେࣄʹ͢Δ

Slide 66

Slide 66 text

wBTTFSU&RVBMTΛ࢖͏બ୒ wʮԕۙײʯͷදݱํ๏ ʮԕۙײʯΛେࣄʹ͢Δ ԕ͍ ͍ۙ BTTFSU&RVBMT   $BOPOJDBMJ[JOH BTTFSU&RVBMT BTTFSU$POUBJOT ܥ ˞Πϝʔδਤ

Slide 67

Slide 67 text

wBTTFSU&RVBMTΛ࢖͏બ୒ wʮԕۙײʯͷදݱํ๏ ʮԕۙײʯΛେࣄʹ͢Δ ԕ͍ ͍ۙ BTTFSU&RVBMT   $BOPOJDBMJ[JOH BTTFSU&RVBMT BTTFSU$POUBJOT ܥ ˞Πϝʔδਤ

Slide 68

Slide 68 text

wʮ*.0ʯͰ͢ʂ wͲͷબ୒Λ͢Δ͔͸޷Έ͔ͳ🥺 wʮͦΕΛzબ୒z͍ͯ͠Δཧ༝ʯ͕   νʔϜͷڞ௨ೝࣝͱͯ͠ங͚͍ͯͨΒśŖſśŖşŖ‼