batsを使おう / Let's use bats

CBUTΛ࢖͓͏ 2018年09月15日 kanazawa.rb meetup#73

!DPUUPO@EFTV ΏΔͬͱ;ΘͬͱอकΤϯδχΞ ׂ৽ن։ൃ ׂอक ػೳ௥Ճɺػೳमਖ਼ɺόάमਖ਼ FUD

CBTIॻ͍ͯ·͔͢ʁ

CBTIͰ΋ςετ Ͱ͖Δͷ஌ͬͯ·͔ͨ͠ʁ

CBUTͰग़དྷΔΜͰ͢

CBUTͱ͸

#BTI"VUPNBUFE 5FTUJOH4ZTUFN IUUQTHJUIVCDPNTTUFQIFOTPOCBUT

CBTIͷςετϑϨʔϜϫʔΫ w ରԠ04 "SDI "MQJOF 6CVOUV 'SFF#4%YBOEY NBD04 8JOEPXT
CBUT

Πϯετʔϧ͸؆୯

Πϯετʔϧ IPNFCSFXͰΠϯετʔϧ CSFXJOTUBMMCBUTDPSF OQNͰΠϯετʔϧ OQNJOTUBMMHCBUT

࢖͍ํ

w !UFTUͷ\^ͷϒϩοΫ͕ςετର৅ w CBUTϑΝΠϧʹهࡌ w CBUTίϚϯυͰCBUTϑΝΠϧΛ࣮ߦ ࢖͍ํ ϧʔϧ

w TIFMMͷಡΈࠐΈ͸TFUVQ ʹهࡌ w SVOϑΝϯΫγϣϯ໊Ͱ࣮ߦ w SVOͷ݁Ռ͸#BUTͷ૊ΈࠐΈม਺ʹೖΔ ͨΊɼҎԼΛςετ݁Ռͱͯ͠࢖༻ ࢖͍ํ ϧʔϧ
w \TUBUVT^εςʔλείʔυ w \PVUQVU^ग़ྗ݁Ռ w \MJOFT^ग़ྗ݁Ռʢ഑ྻʣ

࡞੒ྫ

VTSCJOFOWCBUT !UFTUBEEJUJPOVTJOHCD\ˡ!UFTUͷ\^ͷϒϩοΫ SFTVMU FDIP cCD <SFTVMUFR> ^ !UFTUBEEJUJPOVTJOHED\ SFTVMU
FDIP QcED <SFTVMUFR> ^ BEEJUJPOCBUT

࣮ߦྫ

CBUTBEEJUJPOCBUT 㾎BEEJUJPOVTJOHCDˡ!UFTUͷ\^ͷϒϩοΫ໊ 㾎BEEJUJPOVTJOHED UFTUT GBJMVSFT

失敗例

#!/usr/bin/env bats @test "addition ng" { result="$(echo 2+1 | bc)"
[ "$result" -eq 4 ] } addition_ng.bats

実行例

CBUTBEEJUJPO@OHCBUT ✗BEEJUJPOOH JOUFTUGJMFBEEJUJPO@OHCBUT MJOF A<SFTVMUFR>GBJMFE UFTU GBJMVSF

ෳ਺ͷCBUTΛ࣮ߦ΋Մೳ

CBUT CBUT 㾎BEEJUJPOVTJOHCD 㾎BEEJUJPOVTJOHED ✗BEEJUJPOOH JOUFTUGJMFBEEJUJPO@OHCBUT MJOF A<SFTVMUFR>GBJMFE
UFTUT GBJMVSF

TIFMMಡΈࠐΈྫ

#!/bin/sh add() { echo $(($1 + $2)) } add.sh

#!/usr/bin/env bats setup() { . add.sh } @test "input add
eq 3" { run add 1 2 [ "${status}" -eq 0 ] [ "${output}" == "3" ] } @test "input add ng" { run add 1 4 [ "${status}" -eq 0 ] [ "${output}" == "4" ] } add.bats

実行例

CBUTBEECBUT 㾎JOQVUBEEFR ✗JOQVUBEEOH JOUFTUGJMFBEECBUT MJOF A<\PVUQVU^>GBJMFE UFTUT GBJMVSF

w Πϯετʔϧ΋࢖͍ํ΋؆୯ w ςετίʔυͷॻ͖ํ΋؆୯ w CBTIʹΑΔςετϥΠϑΛ࢝Ί·͠ΐ͏ ૯ׅ

batsを使おう / Let's use bats

batsを使おう / Let's use bats

cottondesu

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Transcript

CBUTΛ࢖͓͏ 2018年09月15日 kanazawa.rb meetup#73

!DPUUPO@EFTV ΏΔͬͱ;ΘͬͱอकΤϯδχΞ ׂ৽ن։ൃ ׂอक ػೳ௥Ճɺػೳमਖ਼ɺόάमਖ਼ FUD

CBTIॻ͍ͯ·͔͢ʁ

CBTIͰ΋ςετ Ͱ͖Δͷ஌ͬͯ·͔ͨ͠ʁ

࣮͸

CBUTͰग़དྷΔΜͰ͢

CBUTͱ͸

#BTI"VUPNBUFE 5FTUJOH4ZTUFN IUUQTHJUIVCDPNTTUFQIFOTPOCBUT

CBTIͷςετϑϨʔϜϫʔΫ w ରԠ04 "SDI "MQJOF 6CVOUV 'SFF#4%YBOEY NBD04 8JOEPXT

Πϯετʔϧ͸؆୯

Πϯετʔϧ IPNFCSFXͰΠϯετʔϧ CSFXJOTUBMMCBUTDPSF OQNͰΠϯετʔϧ OQNJOTUBMMHCBUT

࢖͍ํ

w !UFTUͷ\^ͷϒϩοΫ͕ςετର৅ w CBUTϑΝΠϧʹهࡌ w CBUTίϚϯυͰCBUTϑΝΠϧΛ࣮ߦ ࢖͍ํ ϧʔϧ

w TIFMMͷಡΈࠐΈ͸TFUVQ ʹهࡌ w SVOϑΝϯΫγϣϯ໊Ͱ࣮ߦ w SVOͷ݁Ռ͸#BUTͷ૊ΈࠐΈม਺ʹೖΔ ͨΊɼҎԼΛςετ݁Ռͱͯ͠࢖༻ ࢖͍ํ ϧʔϧ

࡞੒ྫ

VTSCJOFOWCBUT !UFTUBEEJUJPOVTJOHCD\ˡ!UFTUͷ\^ͷϒϩοΫ SFTVMU FDIP cCD <SFTVMUFR> ^ !UFTUBEEJUJPOVTJOHED\ SFTVMU

࣮ߦྫ

CBUTBEEJUJPOCBUT 㾎BEEJUJPOVTJOHCDˡ!UFTUͷ\^ͷϒϩοΫ໊ 㾎BEEJUJPOVTJOHED UFTUT GBJMVSFT

失敗例

#!/usr/bin/env bats @test "addition ng" { result="$(echo 2+1 | bc)"

実行例

CBUTBEEJUJPO@OHCBUT ✗BEEJUJPOOH JOUFTUGJMFBEEJUJPO@OHCBUT MJOF A<SFTVMUFR>GBJMFE UFTU GBJMVSF

ෳ਺ͷCBUTΛ࣮ߦ΋Մೳ

CBUT CBUT 㾎BEEJUJPOVTJOHCD 㾎BEEJUJPOVTJOHED ✗BEEJUJPOOH JOUFTUGJMFBEEJUJPO@OHCBUT MJOF A<SFTVMUFR>GBJMFE

TIFMMಡΈࠐΈྫ

#!/bin/sh add() { echo $(($1 + $2)) } add.sh

#!/usr/bin/env bats setup() { . add.sh } @test "input add

実行例

CBUTBEECBUT 㾎JOQVUBEEFR ✗JOQVUBEEOH JOUFTUGJMFBEECBUT MJOF A<\PVUQVU^>GBJMFE UFTUT GBJMVSF

%FNP

w Πϯετʔϧ΋࢖͍ํ΋؆୯ w ςετίʔυͷॻ͖ํ΋؆୯ w CBTIʹΑΔςετϥΠϑΛ࢝Ί·͠ΐ͏ ૯ׅ