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Introduction to Visual Regression Testing(JP)
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Yosuke Kurami
November 25, 2017
Programming
3
990
Introduction to Visual Regression Testing(JP)
nodefest 17 向け資料(日本語版)
Yosuke Kurami
November 25, 2017
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Transcript
Introduction to Visual Regression Testing #nodefest ‘17
ࠓͷ͓
ࣗࣾϑϩϯτΤϯυ։ൃʹ ը૾ճؼςετΛಋೖͨ͠
ͳͥը૾ճؼςετͳͷ͔ʁ
1. Ͳ͜·ͰDOMͷassert͢Δ͔ w type: Bͷͱ͖ʹɺԿΛνΣοΫ͠·͔͢ʁ nodeName, textContent, classList શ෦֬ೝ͢Δʁ <template>
<class="greeting" div> <div v-if="type === 'A'"> Good evening, {{name}}. </div> <div class="type-b" v-else-if="type === 'B'"> Bon soir, {{name}}. </div> <div v-else>Other...</div> </div> </template>
1. Ͳ͜·ͰDOMͷassert͢Δ͔ w BTTFSUॻ͖͗͢Δͱɺϝϯςͣ͠Β͍ʜ ͰBTTFSU͕গͳ͗͢Δͷෆ҆ʜ w ͦ͏ͩɺεφοϓγϣοτςετ͠Α͏ ƭ The latest
snapshot (DOM String) ƭ The actual snapshot (DOM String) Update if snapshot is accepted Assertion
2. ݟͨςετ͍ͨ͠ w ϢʔβʔΫϥε໊λά໊ʹڵຯ͕͋Δ༁͡Όͳ͍ .hoge { padding: 15px; color: #808080;
border: 1px solid currentColor; } <div class="hoge"> ABCDEF </div> ݕূ͍ͨ͠ର ͿͬͪΌ͚Ͳ͏Ͱ͍͍
୳͢ʁͦΕͱ࡞Δʁ w ॳز͔ͭͷπʔϧαʔϏεͷར༻Λݕ౼͢Δɺ ྑ͍ͷʹग़ձ͑ͳ͔ͬͨ w ࣗͨͪͰΈΛ࡞Δ͔͠ͳ͍ʂ
Λ͚Δ w εφοϓγϣοτ Ωϟϓνϟը૾ ͷऔಘ w ϑϩϯτΤϯυͷ࣮ɾςετํ๏ͱີʹؔ࿈ w εφοϓγϣοτ Ωϟϓνϟը૾
ͷൺֱ w ։ൃϫʔΫϑϩʔͱີʹؔ࿈
εφοϓγϣοτͷऔಘ
Ͳ͏࣮ͬͯ͠·͠ΐ͏͔ʁ
(ࢀߟ): πʔϧͷ߹Θͤྫ ιϑτΣΞελοΫͷྫ "QQ'SBNFXPSL "OHVMBS 5FTU'SBNFXPSL +BTNJOF 5FTU3VOOFS ࣗ࡞ #SPXTFS
.BOJQVMBUPS 1VQQFUFFS $POUJOVPVT*OUFHSBUJPO 0SBDMF8FSDLFS$*
Έ߹ΘͤຖʹΓํ༷ʑ
ΩϟϓνϟࣗಈԽͷ ීวతͳϙΠϯτ
1. CIͰϒϥβಈ͔͢ %PDLFS*NBHF࡞Δ࣌ͷࢀߟʹ w ࣮ϒϥβ͏ύλʔϯ w YWGC 9XJOEPXԾϑϨʔϜόοϑΝ ೖΕͱ͜͏ w
$ISPNFIFBEMFTT͏ύλʔϯ w YDC 9QSPUPDPM$MBOH#JOEJOHT ೖΕͱ͜͏
2. □□□□□□□□□ ˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘ $*˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘ ˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘˘ ˘˘˘˘˘˘˘˘.JH.JY˘˘˘˘˘˘˘˘˘
2. ϑΥϯτೖΕ͓ͯ͘ ϚϧνόΠτݍΛλʔήοτʹ։ൃ͍ͯ͠ΔͷͰ͋Ε $*ʹϑΥϯτΛೖΕ͓͖ͯ·͠ΐ͏ɻ ં֯ͷΩϟϓνϟը૾͕౾ͩΒ͚ʹͳΓ·͢ɻ ͏ͪͷνʔϜͰ.JH.JYϑΥϯτΛ͍ͬͯ·͢ɻ
3. ِཅੑΛճආ͢Δ ʮಉ͡ιʔείʔυಉ͡ը૾ʯΛอূ͢Δ5JQT w $44Ξχϝʔγϣϯͷࢭ w Ωϟϓνϟऔಘ ͳΔ͘ ࠷ޙʹ࣮ߦ͢Δ *
{ transition: none !important; animation: none !important; } requestIdleCallback(() => screenshot(), { timeout: 30000 });
εφοϓγϣοτͷൺֱ
πʔϧΛ࡞ https://reg-viz.github.io/reg-suit/
reg-suitͷಛ ը૾εφοϓγϣοτςετʹ͓͚Δ w ࠩݕ w ൺֱ݁Ռͷදࣔ w εφοϓγϣοτͷߋ৽ Λ౷߹
ʮࠩൃੜ = ࣦഊʯͱݶΒͳ͍ ͜ͷϑϩʔΛ؆୯ʹ࣮ݱ͢ΔͨΊͷπʔϧ
αϯϓϧͰݟͯΈΑ͏
Demo 1. Push ~ ࠩݕ
Demo 2. ϨϏϡΞ௨ୡ
Demo 3. ࠩͷ֬ೝ
GitHubϑϩʔͱͷ౷߹
(΄΅) JavaScriptͰͰ͖͍ͯΔ w $-* /PEFKT w ը૾ࠩͷݕग़QOHKT QJYFMNBUDI w
ը૾ͷอଘ"844%, w (JU)VC"QQ "84-BNCEB w "QPMMP(SBQI2-$MJFOU w ൺֱϨϙʔτ 8FC#SPXTFS w ϑϩϯτΤϯυ7VFKT w ࠩใϚʔΩϯά0QFO$7 8FC"TTFNCMZ
·ͱΊ
·ͱΊ w ͬͯͯྑ͔ͬͨը૾ςετ w ςετΛॻ͘Ϟνϕʔγϣϯ্ w ϨϏϡʔෛՙͷܰݮ w SFHTVJU·ͩ·ͩվྑͷ༨͋Γʜ w
ϑΟʔυόοΫ13ͳͲ͓͓ͪͯ͠Γ·͢
Thank you ! by @Quramy