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E2Eテストを継続するために
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Taketoshi Aono(青野健利 a.k.a brn)
December 04, 2018
4
980
E2Eテストを継続するために
E2Eテストを継続していくためのあれこれ
Taketoshi Aono(青野健利 a.k.a brn)
December 04, 2018
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Transcript
None
Name !CSO ੨݈ར Occupation ϑϩϯτΤϯυΤϯδχΞɾ10 Company $ZCFSBHFOUΞυςΫελδΦ"*.FTTFOHFS OSS $POUSJCVUPSPG7
About IUUQJOGPCODI
"*ϝοηϯδϟʔʹ͍ͭͯ
None
"*ϝοηϯδϟʔ w גࣜձࣾ$ZCFS"HFOUΞυςΫελδΦͷࣄۀ෦ w #UP#UP$ͷ$IBU#PUࣄۀΛల։ w $IBU#PUͷ6*ɺࣗવݴޠॲཧΤϯδϯɺIEͷΦϖϨʔλʔΛશͯࣗલͰ࣋ͭ
&&ςετʹ͍ͭͯ
&&ςετͱ &OEUPFOEςετͷུޠ 8FCϑϩϯτΤϯυͷੈքͰɺػೳཁ݅ຖͷςετͰແ͘ɺͨ͠ ΞϓϦέʔγϣϯͷϢʔβʔΛϢʔβʔಉ༷ʹૢ࡞ͯ͠ػೳ͢Δ͜ͱ Λ֬ೝ͢Δςετ ࣮ࡍʹϒϥβΦʔτϝʔγϣϯπʔϧ 4FMFOJVN Λར༻ͯ͠ϒϥβ ͔Β6*Λૢ࡞͠ɺಈ࡞ͱ݁ՌͷϒϥοΫϘοΫεςετΛߦ͏
ϝϦοτ Ϣʔβʔ͕࣮ࡍʹ৮Δը໘Λࣗಈςετ͍ͯ͠Δ͚ͩͳͷͰɺςετͱ͠ ͯ࠷࣮֬ੑ͕ߴ͍ ͭ·Γेͳ&&ςετ͕͋Εͦͷૢ࡞Ͱ࣮֬ʹόά͕ى͖͍ͯͳ͍͜ ͱΛূ໌Ͱ͖Δ
σϝϦοτ ͍ ࣮ࡍʹϦΞϧͳΞϓϦέʔγϣϯΛಈ͔ͨ͢ΊɺΞχϝʔγϣϯɾ"1*ͷ ͕ͪ࣌ؒසൟʹൃੜ͠ɺਓؒͷૢ࡞ͷཧҎ্ͷ͕Ͱͳ͍ ·ͨɺ4FMFOJVNͷϒϥβΦʔτϝʔγϣϯπʔϧͷෆ҆ఆ͋͞Γɺ Ṗͷࣦഊ͕ൃੜͨ͠Γ͢ΔͷͰϦτϥΠ͕ඞࢸͳ্ɺ࣮ߦ͢ΔڥʹΑͬ ͯ݁Ռ͕มΘΔ͜ͱ͕͋Δ ͦͯ͠ɺԿΑΓϝϯςφϯε͕ͭΒ͍
ϝϯςφϯε
w $44ηϨΫλͰૢ࡞ରͷ%0.ΛબͿͨΊɺ6*ͷৄࡉ )5.-ͷߏ ͷมԽ·Ͱςετ ʹӨڹ͢Δ w TUZMFEDPNQPOFOUTͷΑ͏ͳ$44JO+4Λ͍ͬͯΔͱFF༻ͷηϨΫλΛผ్༻ҙ͢Δඞ ཁ͕͋Δ w
Ξαʔγϣϯ͠ͳ͚Ε͍͚ͳ͍߲͕ଟ͗ͯ͢ɺมߋՕॴ͕രൃతʹ૿͑ͯഁ͢Δ
͜ΕΒΛߟ͑ͣʹ&&Λ࣮͢Δͱ ͍͍ͩͨߋ৽͞Εͳ͘ͳΔ͔ɺ ௨ΔՕॴ͚ͩಈ͘ແҙຯͳςετ͕ग़དྷ্͕Δ
ղܾࡦ
·ͣɺղܾ͕؆୯ͳσϝϦοτ͔Βղܾ͍ͯ͘͠ w ͍ w &&ςετ࣮ߦ࣌ʹ+4ͰϑϥάΛཱͯͯΞχϝʔγϣϯΛఀࢭ͢Δ w ϒϥβΦʔτϝʔγϣϯπʔϧ͕ෆ҆ఆ w ϦτϥΠॲཧΛೖΕΔ w
#SPXTFS4UBDLͷ֎෦ڥΛར༻͢Δ ͬͯͳ͍
Ξχϝʔγϣϯͷఀࢭ ͲͷϒϥβΦʔτϝʔγϣϯπʔϧʹɺ͍͍ͩͨKBWBTDSJQUΛೖ͢Δ "1*͕͋ΔͣͳͷͰɺ ͷΑ͏ͳܗͰϑϥάΛϖʔδʹೖ͢Δ ྫQVQQFUFFS ͏߹ҎԼͷΑ͏ͳܗͰίʔυʹຒΊࠐΜͰ͓͘ ղܾࡦ await this.page.evaluate(`window.E2E_ENABLED
= true`); <div className={window.E2E_ENABLED ? "..." : "..."} />
ϦτϥΠॲཧ ݱঢ়ͷϒϥβΦʔτϝʔγϣϯπʔϧɺಉ࣮࣮ͯ͠ࡍʹϒϥβ Λ্ཱͪ͛Δ্ؔɺෆ҆ఆͳՕॴ͕ͬͯ͠·͏ ͦͷͨΊɺશମͷϦτϥΠॲཧΛೖΕΔ͜ͱͰɺ͋Δఔࣦഊڐ༰͢Δ ςετΊΔ ղܾࡦ
function runTest() { const browser = puppeteer.launch(...) const page =
browser.newPage(); ... let retryCount = 0; page.on('error', () => { if (++retryCount < 3) { setTimeout(runTest, 10); } }) page.on('pageerror', () => { if (++retryCount < 3) { setTimeout(runTest, 10); } }) }
֎෦αʔϏεͷར༻ 4FMFOJVNΛ͍ͬͯΕͦͷ··#SPXTFS4UBDLͷ֎෦αʔϏεΛར༻Ͱ ͖Δ ϩʔΧϧͰ࣮ߦ͢ΔΑΓΫϥυαʔϏεΛར༻ͨ͠΄͏͕ɺΑΓ҆ఆ͠ ͨςετڥΛಘΒΕΔ ͕ɺ࣌ؒͷؔͰ·ͩͬͯͳ͍ͷͰɺͦͷ͏ͪΓ͍ͨ ղܾࡦ
ϝϯςφϏϦςΟ
͜͜·Ͱൺֱతղܾ͕؆୯ͳ͕ͩͬͨɺ ࠜຊతʹ&&͕ϝϯςφϯε͠ਏ͍ͱ͍͏ղܾ͍ͯ͠ͳ͍ ͜ͷେ͖ͳʹରॲ͍ͯ͘͠
ϝϯςφϏϦςΟ ϝϯςφϏϦςΟΛ࣮ݱ͢ΔͨΊʹ࠷େࣄͳ͜ͱɺͰ͖Δ͚ͩߏʹ ཱͪೖΒͳ͍͜ͱͰ͋Δ ͦͷͨΊɺҎԼͷํ๏ͰϝϯςφϏϦςΟΛ֬อ͍ͯ͘͠ 7JTVBM3FHSFTTJPO5FTUΛಋೖ͢Δ ϒϥβૢ࡞ϨΠϠʔͷநԽ
7JTVBM3FHSFTTJPO5FTU 7JTVBM3FHSFTTJPO5FTUͱɺίʔυมߋલɾมߋޙͷεΫϦʔϯγϣοτ Λࠩൺֱͯ͠6*ʹ͕ແ͍͔֬ೝ͢ΔςετͰ͋Δ ֤ʑͷঢ়ଶΛ"TTFSUJPO͢ΔͷͰͳ͘6*ͷঢ়ଶΛࠩൺֱ͢Δ͜ͱͰίʔ υมߋͷӨڹΛ֬ೝ͢Δ 7JTVBM3FHSFTTJPO5FTUΛߦ͏πʔϧ৭ʑͱ͋Δ͕ɺࣗࣗ࡞͍ͯ͠Δ Ϣʔεέʔε͕νʔϜຖʹେ͖͘ҧ͏ͱࢥ͏ͷͰɺͦ͜νʔϜͰஅ ϝϯςφϏϦςΟ
มߋޙ มߋલ ൺֱ݁Ռ
7JTVBM3FHSFTTJPO5FTUΛߦ͏ͱΑ͘ൃੜ͢Δ w มԽ͕ແ͍ͣͳͷʹ͕ࠩൃੜ͢Δ w ظ͍ͯͨͣ͠ͷಈ࡞͕ߦΘΕ͍ͯͳ͍͕ɺԿ͕ى͖͔ͨΘ͔Βͳ͍ w ൺֱͷλΠϛϯά ϝϯςφϏϦςΟ7JTVBM3FHSFTTJPO5FTU
͕ࠩൃੜ͢Δ ͜Ε%J⒎Λߦ͏πʔϧͷͩͬͨΓϑΥϯτͷΞϯνΤΠϦΞεͩͬͨ Γ͢Δ ͳͷͰղܾࡦ w ""ΛΔ w #MJOL%J⒎Λ͏ ϝϯςφϏϦςΟ7JTVBM3FHSFTTJPO5FTU
""ΛΔ ϑΥϯτͷΞϯνΤΠϦΞεΛΔ͜ͱͰɺ͕ࠩൃੜͮ͠Β͘ͳΔ ϝϯςφϏϦςΟ7JTVBM3FHSFTTJPO5FTU͕ࠩൃੜ͢Δ
await page.evaluate( `(() => { const newStyle = document.createElement('style'); newStyle.type
= "text/css"; document.getElementsByTagName(‘head')[0] .appendChild(newStyle); const css = document.styleSheets[0]; const idx = document.styleSheets[0] .cssRules.length; css.insertRule( "body * {-webkit-font-smoothing: none ! important}”, idx ); })()`, );
#MJOL%J⒎Λ͏ ·ͨπʔϧͷͳέʔε͋Δ ৭ʑͬͯ࠷͕ى͖ͮΒ͔ͬͨͷ͕ɺ#MJOL%J⒎ͱ͍͏ը૾ࠩൺֱ πʔϧͩͬͨ IUUQTHJUIVCDPNZBIPPCMJOLEJ⒎ ࣍ͷϖʔδʹ৭ʑௐͯ͠ɺ࠷҆ఆͨ͠ઃఆΛࡌ͓ͤͯ͘ ϝϯςφϏϦςΟ7JTVBM3FHSFTTJPO5FTU͕ࠩൃੜ͢Δ
new BlinkDiff({ imageA: baselineImage, imageB: image, thresholdType: BlinkDiff.THRESHOLD_PERCENT, threshold: 0.0001,
imageOutputPath: failedFilePath, verbose: true, perceptual: true, delta: 25, })
ࣦഊͨ͠ཧ༝͕Θ͔Βͳ͍ 7JTVBM3FHSFTTJPO5FTUΛߦ͏ͱසൟʹ͜ͷέʔεʹૺ۰͢Δ ୯७ͳղܾࡦແ͍͕ɺଥڠҊ͍͔ͭ͋͘Δ ࠷γϯϓϧͳํ๏࣮ࡍʹϒϥβΛ(6*͖Ͱಈ࡞ͤ͞Δ͜ͱͩΖ͏ ͏Ұͭ෦తͳςετ࠶࣮ߦΛ༰қʹઃܭ͢Δ͜ͱ ޙड़ ϝϯςφϏϦςΟ7JTVBM3FHSFTTJPO5FTU
ൺֱͷλΠϛϯά جຊతʹɺϚʔδલʹ֤ݸਓͷϩʔΧϧͰ%PDLFS্Ͱ࣮ߦͨ݁͠ՌΛίϛοτ͢Δ εΫϦʔϯγϣοτGBJMFEDVSSFOUNBTUFSͷͭͷσΟϨΫτϦʹผΕ͓ͯΓɺ ϩʔΧϧͰ࣮ߦͨ݁͠ՌDVSSFOUɺࣦഊͨࠩ͠ൺֱը૾GBJMFEɺϦϞʔτͷ࠷ ৽ঢ়ଶNBTUFSʹͦΕͧΕอଘ͞ΕΔ ίϛοτ࣌ʹQSFDPNNJUϑοΫͰɺDVSSFOU͔ΒNBTUFSίϐʔ͞ΕͯϦϞʔτʹ ө͞ΕΔ ϚʔδͷλΠϛϯάͰ$*ͰNBTUFSͱൺֱͯ͠ͳ͚ΕϚʔδ ͕͋Ε࠶ϩʔΧϧͰ࣮ߦͯ͠ίϛοτ ͱ͍͏ӡ༻Λ͍ͯ͠Δ
ϝϯςφϏϦςΟ7JTVBM3FHSFTTJPO5FTU
8FC6* ࠩൺֱ݁ՌΛ8FCͷ6*Ͱ֬ೝɺঝೝͰ͖ΔΑ͏ʹͯ͋͠Δ ϝϯςφϏϦςΟ7JTVBM3FHSFTTJPO5FTU
None
ϒϥβૢ࡞ϨΠϠʔͷநԽ ͏ҰͭϝϯςφϏϦςΟͷͨΊʹॏཁͳͷɺ&&ςετͷίʔυ࣭Ͱ ͋Δ 7JTVBM3FHSFTTJPO5FTUʹΑͬͯɺͰ͖Δ͚ͩߏʹཱͪೖΒͳ͍Α͏ͳςε τ͕هड़Ͱ͖ΔΑ͏ʹͳ͕ͬͨɺϒϥβΛૢ࡞͢ΔͨΊʹͲ͏ͯ͠ ͋ΔఔߏʹཱͪೖΔඞཁ͕͋Δ ·ͨϒϥβΦʔτϝʔγϣϯπʔϧ༷ʑͳͷ͕͋Γɺ۩ମతͳૢ࡞ Λߦ͏ίʔυΛ͢Δ͜ͱͰπʔϧҠߦΛ༰қʹ͍ͨ͠ ئ ϝϯςφϏϦςΟ
(SBQI#BTFE1BHF0CKFDU 1BHF0CKFDUύλʔϯΛ׆༻ͭͭ͠ɺ࣮ߦܭըΛࣄલʹཱͯΔํࣜΛ࡞Γɺ উखʹ(SBQI#BTFE1BHF0CKFDUͱ໊͚ͨ 1BHF0CKFDUύλʔϯͱಉ͡Α͏ʹɺQVCMJDϝιου͕ૢ࡞Λද͠ɺ෦ͷૢ ࡞શͯӅṭ͞Ε͍ͯΔঢ়ଶʹͳ͍ͬͯΔ ͔͠͠ɺ1BHF0CKFDUύλʔϯΛ͞Βʹ֦ுͯ͠ɺૢ࡞Λ(SBQIͷϊʔυͱ͠ ͯѻ͏͜ͱͰૢ࡞ؒͷґଘؔΛཧͰ͖ΔΑ͏ʹͨ͠ ϝϯςφϏϦςΟϒϥβૢ࡞ϨΠϠʔͷநԽ
0QFSBUJPO Ϣʔβʔૢ࡞ͦͷͷ ϙοϓΞοϓΛ։͘ͱ͔ɺνΣοΫϘοΫεΛνΣοΫ͢Δͱ͍ͬͨߦಈ ͦΕΛͲ͏࣮ݱ͢Δ͔ʹؔ৺͕ͳ͍ ·੍ͨΛهड़͢Δ͜ͱͰɺࣄલݕ͕ࠪߦΘΕਖ਼͍͠ॱংͰ0QFSBUJPO͕࣮ ߦ͞Ε͍ͯΔͷΛݕࠪͰ͖Δ ϝϯςφϏϦςΟϒϥβૢ࡞ϨΠϠʔͷநԽ
&YFDVUJPO 0QFSBUJPOΛ࣮ݱ͢Δखஈ 1VQQFUFFSͷίʔυͱ͔4FMFOJVNͷίʔυ͕ฒͿ ϝϯςφϏϦςΟϒϥβૢ࡞ϨΠϠʔͷநԽ
0QFSBUJPO Ϣʔβʔૢ࡞ͷநԽ &YFDVUJPO ࣮ࡍͷίʔυ 0QFSBUJPO Ϣʔβʔૢ࡞ͷநԽ &YFDVUJPO ࣮ࡍͷίʔυ 0QFSBUJPO Ϣʔβʔૢ࡞ͷநԽ
&YFDVUJPO ࣮ࡍͷίʔυ operation( // ૢ࡞ͷ໊લ 'name', // ࣮ࡍͷॲཧ async () => { ... }, // ͜ͷॲཧͷ੍ Restriction.of( Restriction.Type.SUCCESSOR, // ࣄલʹߦ͏͖ॲཧͷ໊લ 'other-op-name' ), )
4DSFFOTIPU εΫϦʔϯγϣοτΛࡱΔͱɺݱࡏͷ0QFSBUJPO໊͕ϋΠϑϯͰ݁߹͞Εͨ ໊લͰอଘ͞ΕΔ 0QFSBUJPOͷॱ൪Λม͑ΔͱεΫϦʔϯγϣοτͷ໊લมΘΔ PQFOEP@TPNFUIJOHDMPTFQOHΈ͍ͨͳ໊લ ϝϯςφϏϦςΟϒϥβૢ࡞ϨΠϠʔͷநԽ
1BSUJBM&YFDVUJPO 0QFSBUJPO୯ҐͰ&&Λղ͠ɺ੍݅Λهड़Ͱ͖ΔΑ͏ʹͨ݁͠Ռ ಛఆͷ0QFSBUJPOͷΈΛඞཁ࠷ݶͷύεͰ࣮ߦͰ͖ΔΑ͏ʹͳͬͨ ϝϯςφϏϦςΟϒϥβૢ࡞ϨΠϠʔͷநԽ
0QFSBUJPO" 0QFSBUJPO# 0QFSBUJPO$ 0QFSBUJPO% 0QFSBUJPO& 0QFSBUJPO' 0QFSBUJPO( ΦϖϨʔγϣϯ(&ʹґଘ͓ͯ͠Γ &#ʹґଘ͍ͯ͠Δ ͜ΕΒࣄલʹ໌͍ͯ͠ΔͷͰɺ
(ͷΈΛ࣮ߦ͍ͨ͠߹ɺ #ɾ&ɾ(ͷॱংͰ0QFSBUJPO͕࣮ߦ͞ΕΔ
·ͱΊ &&ςετΛܧଓ͢ΔͨΊʹؤு͍ͬͯΔ͜ͱΛॻ͍͖ͯ·͕ͨ͠ɺ ࠷ޙΓɺ$*ͷཧɾϨϏϡʔମ੍ͷϓϩηε͕େࣄʹͳΓ·͢ ϓϩηε͕Ξτϓοτ࣭ΛܾΊΔͷͰɺͦ͏͍͏ϓϩηεߏஙಉ࣌ ʹؤு͍͖ͬͯ·͠ΐ͏
3FDSVUJOH "*ϝοηϯδϟʔͰϑϩϯτΤϯδχΞΛେืूͰ͢ʂ ҎԼʹϐϯͱ͘Δํ5XJUUFSͰͳΜͰ͔͚͍ͯͩ͘͞ʂ w 5ZQF4DSJQU w 3Y+4 w 3FBDU