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ng-mocksを活用したユニットテストのご紹介
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Yusuke Oba
September 22, 2021
Programming
0
420
ng-mocksを活用したユニットテストのご紹介
ng-japan OnAir vol.46 「Angularのテストを語る」で発表したLTセッションの資料です。
Yusuke Oba
September 22, 2021
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Transcript
ng-japan OnAir LT Session
Angular͖ͳWebΞϓϦέʔγϣϯΤϯδχΞͰ͢ ࣗࣾͰӡӦ͢ΔϏϡʔΞʔΞϓϦέʔγϣϯͷςοΫϦʔ υΛ୲͍ͯ͠·͢ɻ Senior Software Engineer yusuke-oba1 About Me େ༔հ
Yusuke OBA
4BGJFͬͯԿʁ
ΫϥυըαʔϏε גࣜձࣾςΫϊɾγεςϜɾϦαʔνʮωοτϫʔΫΧϝϥͷΫϥυըαʔϏεࢢௐࠪʯ ωοτϫʔΫΧϝϥͷө૾ΛΫϥυʹ อଘɻ ͍ͭͰ͖ͳ࣌ʹϥΠϒըө૾Λ ݟΒΕ·͢ɻ ۀɻ ಉ༷ͷαʔϏεͱͯ͠ɺ
ࠃγΣΞ/P✨
ng-mocksΛ׆༻ͨ͠Ϣχοτςετͷ͝հ
ͳͥςετΛॻ͘ͷ͔
ͳͥςετΛॻ͘ͷ͔ ɾσάϨΛ͙ ɾϩδοΫͷมߋɺϥΠϒϥϦͷมߋʹڧ͘ͳΔ ɾΑΓγϯϓϧͳ࣮ʹͳΔ
ςετͷΈ
ςετͷΈ ɾϞοΫΛ࡞͢Δͷ͕खؒ ɾ࣮͕มΘΔͱϞοΫΛվम͢Δඞཁ͕͋Δ
OHNPDLT.PDL1SPWJEFS IUUQTOHNPDLTTVEPFVBQJ.PDL1SPWJEFS ϞοΫΛಈతʹ࡞͢Δ
࣮ྫͷ͝հ
؆୯ͳαϯϓϧͰ͝հ ςΩετϘοΫε ߋ৽Ϙλϯ
ؔ࿈ਤ Component Component Store Service 6*Λఆٛ ঢ়ଶཧɾߋ৽ "1*αʔϏε
σΟϨΫτϦߏ Service Component Store Component
αʔϏεͷ࣮
αʔϏεͷ࣮ "1*ͰΛߋ৽ ⁞ ⁞"1*ͰΛऔಘ
ComponentStoreͷ࣮ͱςετ
$PNQPOFOU4UPSFͷ࣮ ⁞ ⁞ঢ়ଶͱͯ͠WBMVFΛఆٛ αʔϏε͔ΒΛऔಘͯ͠WBMVFͷঢ়ଶΛॳظԽ WBMVFͷঢ়ଶΛߋ৽ αʔϏεͷVQEBUF7BMVFϝιουΛݺͼग़͢
$PNQPOFOU4UPSFͷςετ࣮ ⁞ ⁞OHNPDLTͷ.PDL1SPWJEFSͰαʔϏεΛϞοΫ 5FTU#FEJOKFDUͰϞοΫΠϯελϯε͕ฦΔ TQZ0OͰϝιουͷॲཧΛ্ॻ͖ ঢ়ଶ͕ظʹߋ৽͞Ε͍ͯΔ͔Λςετ
ετΞͷঢ়ଶΛߋ৽ TQZ0OͰϝιουͷॲཧΛ্ॻ͖ ظ͢ΔϝιουɾҾ͕ݺΕ͍ͯΔ͔Λςετ
Componentͷ࣮ͱςετ
HTML Template Component $PNQPOFOUͷ࣮ ⁞ ⁞$PNQPOFOU4UPSFΛQSPWJEFSTʹՃ $PNQPOFOU4UPSFΛ%*Ͱೖ WBMVFมʹετΞͷWBMVFΛೖ
˞QVTIQJQFBTZODQJQFͷΧελϚΠζ ςΩετϘοΫεʹWBMVFΛόΠϯσΟϯά ˞TGUFYUCPYಠࣗίϯτϩʔϧ ϘλϯʹVQEBUFϝιουΛόΠϯσΟϯά ˞TGCVUUPOಠࣗίϯτϩʔϧ
$PNQPOFOUͷςετ࣮ ⁞ ⁞.PDL1SPWJEFSͰ$PNQPOFOU4UPSFΛϞοΫ ɹWBMVFΛ#FIBWJPS4VCKFDUʹஔ͖͑ WBMVFͷΛߋ৽ ˞.PDL4UPSF7BMVFʹ͍ͭͯޙड़ ςΩετϘοΫεͷΛςετ ˞GJOE&MFNFOUT#Z/BNFʹ͍ͭͯޙड़
ίϯτϩʔϧͷϔϧύʔΛ࡞ ˞ಠࣗίϯτϩʔϧΛςετͰ੍ޚ͢ΔͨΊͷϔϧύʔΫϥε 6QEBUFϘλϯΛΫϦοΫͯ͠VQEBUFϝιου ͕ݺΕ͍ͯΔ͔Λςετ
ศརؔͷհ #FIBWJPS4VCKFDUͷΛߋ৽͢Δ )5.-ཁૉͷOBNFଐੑ͔ΒλʔήοτͷཁૉΛ୳ࡧ͢Δ
·ͱΊ ɾϞοΫͷ࡞ίετΛݮ͢Δ͚ͩͰ͍ͩͿָʹͳΔ ɾཁૉOBNFଐੑΛ༩࣮ͯ֬͠ʹऔΕΔΑ͏ʹ͢Δ ɾϔϧύʔΫϥεͰίϯτϩʔϧΛૢ࡞Ͱ͖ΔΑ͏ʹ͢Δͱศར ɾςετॻ͖ա͗ͳ͍
ө૾͔ΒະདྷΛͭ͘Δ