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ScalaでもDBのテストをしよう
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Kazumune Katagiri
April 09, 2016
Technology
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ScalaでもDBのテストをしよう
DbUnit?現役ですよ!
Kazumune Katagiri
April 09, 2016
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Transcript
ୈ47ճ ԬITٕज़ऀษڧձ ScalaͰDBͷςετ Λ͠Α͏ 2016/4/9 @nemuzuka
Έͳ͞Μɺςετͯ͠·͔͢ʁ
ݱ࣮ݫ͍͠… • εέδϡʔϧݫक(ࣄͰ͋Εঘߋ) • ߟ͑ΒΕΔશ෦ͷςετέʔεΛཏͯ͠ςε τΫϥεʹམͱ͜͠Ήͷʮਖ਼͍͠ʯ͚ΕͲ ͔͔࣌ؒΔ͠ɺςετΫϥεͷϝϯς ͔ʹͳΒͳ͍ ݶΒΕͨ࣌ؒͷதͰͬͯΔΑɺ ͱ͍͏τίϩ͕΄ͱΜͲͰʁ
Δ͖ॴ͚ͩ ͋·ΓखؒΛ͔͚ͣʹ ςετ͍ͨ͠…
ͦΜͳதͰDB(SQL)ͷςετɺ ͬͯ·͔͢ʁ
ׂʹ͋Θͳ͍…ʁ • ςετ͕Ͱ͖Δڥ͕ඞཁ • ଓઌΛςετ/։ൃ/ຊ൪ͰΓସ͑ΒΕΔΑ͏ͳΈ • ςετ࣮ߦʹ͕͔͔࣌ؒΓ͗͢Δ ʮSQLʹىҼ͢Δόάͷ݅ʯ͕ແࢹͰ͖ͳ͍ ɹͷͰ͋Ε࣮ࢪͨ͠΄͏͕ྑ͍͔͠Ε·ͤΜ
ͲΜͳύλʔϯΛςετ͢Δʁ • 1ςʔϒϧʹର͢ΔCRUD • ෳͷςʔϒϧΛ݁߹ͯ͠Ұཡʹදࣔ͢Δselect • ݁߹͕݅߹ͬͯͳ͍ͷऔΕͯ͜ͳ͍͜ͱ • ಈతʹݕࡧ͕݅มΘΔ߹Ͱظ͢Δσʔλ͕औΕΔ͜ͱ σʔλͷύλʔϯʹΑͬͯ
ఆ֎ͷ݁ՌΛฦ͍͢͠ͷͰςετ͖͢ ORMΛׂ͑Ѫͯ͠ྑ͍͔͠Εͳ͍
ʮ͡Ό͋ɺࠓճͷϓϩδΣΫτΓ·͔͢ʯ ͱݴΘΕͯ߄ͯͳ͍ҝʹ
DBΛͬͨςετͷྲྀΕ • ४උ • ୯ମςετ༻ͷεΩʔϚ/tableΛ༻ҙ(σʔλۭ) • ࣮ࢪ(ςετΫϥε) • 1. લఏ݅ͱͳΔσʔλΛొ
• 2. ࣮ࡍʹSQLΛൃߦͯ͠ςετ࣮ࢪɺ݁ՌΛ֬ೝ • 3. rollback(σʔλtableʹΒͳ͍)
લఏ݅ͱͳΔσʔλΛొ • DBΛͬͨςετΛ͢Δʹɺtableʹσʔλ͕ೖͬͯ ͍ͳ͍ͱSQLͰ݁Ռ͕औΕͣςετͱͯ͠Γཱͨͳ͍ • ͱݴ͑ɺtableͷલఏ݅Λຬͨͨ͢Ίʹɺ֤tableʹ ର͍͍ͯͪͪ͠InsertจΛॻ͘ͷ໘Ͱ͔ͬͨΔ͍ օ͞Μ͕͓͍ͷ։ൃݴޠɾFWͰָͰ͖ͯ·͔͢ʁ
ࢲɺScala / Skinny Framework • ScalaͷϑϧελοΫͳ WebΞϓϦέʔγϣϯ ։ൃϑϨʔϜϫʔΫ • ςετͷลΓखް͘
αϙʔτ
FactoryGirl • InsertจΛهड़͢Δ͜ͱແ͘ɺςετΫϥε͔Βલఏ݅ͷσʔλΛొ͢Δ͜ͱ͕Ͱ͖Δ • σʔλͷதʹγεςϜΛઃఆ • ొͨ͠id߲Λผtableͷ֎෦Ωʔͱͯ͠ઃఆ [ςετΫϥε] val company1
= FactoryGirl(Company).create() val country = FactoryGirl(Country, 'countryyy).create() val factory = FactoryGirl(Member).withVariables('countryId -> country.id) val member = factory.create('companyId -> company1.id, 'createdAt -> DateTime.now) [ઃఆϑΝΠϧ] countryyy { name="Japan" } member { countryId="#{countryId}" } company { name="FactoryGirl, Inc." } ઃఆϑΝΠϧΛݩʹσʔλΛొɻ ඞཁʹԠͯ͡ςετΫϥεଆͰઃఆ͢Δ
ϓϩάϥϜͰॻ͚Δͷخ͍͚͠Ͳ… • ςετσʔλΛ֬ೝ͢ΔࡍɺςετΫϥεΛݟͯɺͲ͏͍͏ͷ͕ೖ͍ͬͯ Δ͔Θ͔ΓͮΒ͍ • ෳͷtableΛ݁߹ͯ͠select͍ͯ͠ΔΑ͏ͳॲཧͷςετ • ४උσʔλͷొॲཧͰςετΫϥεͷେΛకΊͳ͍ʁϝϯςେมͦ͏… • ςετ༻ͷσʔλΛ20݅͘Β͍༻ҙ͍ͨ࣌͠
tableදܗࣜͰݟͨΓཧͰ͖ͨํ͕͏Ε͋͘͠Γ·ͤΜ͔ʁ
͜͏͍͏ͷͰɻ
ͱ͍͏͜ͱͰɺDbUnit • ExcelΛσʔλϑΝΠϧͱͯ͠ಡΈࠐΜͰɺલఏ ݅ͱͳΔtableͷঢ়ଶʹͯ͘͠ΕΔπʔϧ • ScalaͳͷͰɺJavaͷϥΠϒϥϦʹ؆୯ΞΫηε
ExcelϑΝΠϧͷϧʔϧ • γʔτ໊ˠtable໊ • 1ߦˠΧϥϜ໊ • 2ߦҎ߱σʔλ ɾγʔτ໊ͷ্ݶ31จࣈˠtable໊͕31จࣈΛ͑Δͱ...Ξτ ɾࠨͷγʔτ͔Βॱʹొ͍͖ͯ͠·͢ɻ ɾxlsxܗࣜͰͰ͖·͢
demo.
Ͷɺ؆୯ͦ͏Ͱ͠ΐʁ • ScalaTestΛ͏͜ͱͰRSpecͷΑ͏ʹॻ͚Δ • AutoRollback traitΛ༻͢Δ͜ͱͰςετ࣮ߦޙࣗಈͰrollback͢Δ • ෳ݅औಘ͢ΔSQLͷςετͷ߹ɺorder by Λ͚ͭͯৗʹಉ͡ॱ൪ͰऔಘͰ͖ΔΑ͏ʹҰ
• ֎෦ΩʔΛ͍ͬͯΔ࣌ɺσʔλͷొॱʹҙ • ςʔϒϧΛઌʹొ • ExcelͷσʔλಡΈࠐΈͰΤϥʔʹͳΔ࣌ • จࣈྻܕͷΧϥϜͳͷʹɺηϧ͕ / ʹͳͬͯΔ͔ • ηϧΛจࣈྻܕʹ͢Δͱ͏·͘ߦ͘͜ͱ͕ଟ͍
·ͱΊ • DB෦ͷςετࣗಈԽͨ͠ํ͕ྑ͍ͱࢥ͍·͢ • ςετσʔλΛExcelͰཧ͢ΔਓؾΛ্͍͖͛ͯ ͍ͨ #nds24 http://www.slideshare.net/kkatagiri/nds24-11327909 ࠓճͷιʔείʔυ https://github.com/nemuzuka/skinny-db-test