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αʔόʔؒ GraphQL ͱ webmock-graphql ͷ࿩ @qsona 2024-04-19 tsukiji.graphql x ϋοΧʔᲔ

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• @qsona • Software Engineer at SHE Inc. • ։ൃ/ϓϩμΫτ૊৫ͷϦʔυΛ͍ͯ͠·͢ • ΊͬͪΌ͍͍νʔϜɾձࣾͩΑ • (࠷ۙ͋Μ·Γίʔυ͔͍ͯͳ͍͚Ͳָ͠ΜͰ·͢!) whoami

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αʔόʔؒ API ௨৴ͯ͠·͔͢?

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αʔόʔؒ GraphQL API ௨৴ͯ͠· ͔͢?

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• provider ࢹ఺ • API ͷͲͷ෦෼͕࢖ΘΕ͍ͯΔ͔͕Θ͔Δ 
 => ޙํޓ׵ੑͷͳ͍มߋΛ͠΍͍͢ • ϑϩϯτ޲͚ͷ API ͱ΋ଟ͘ͷ࣮૷Λ࢖͍·ΘͤΔ • consumer ࢹ఺ • ཉ͍͠ܕͷσʔλ͕ฦͬͯ͘Δ৴པੑ͕͋Δ αʔόʔؒ GraphQL API ௨৴ͷεεϝ

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αʔόʔؒ GraphQL API ௒ΦεεϝͰ͢!

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• provider (server) • ͋Μ·ΓมΘΒͳ͍ • ϑϩϯτ޲͚ͱ࣮૷Λڞ௨Խͤ͞Δ৔߹͸޻෉͕͍Δ • consumer (client) • Ωϟογϡͷ؅ཧ͕جຊతʹ͸ෆཁ (ͳͷͰͦͷ෼͸ָ) • ϓϩάϥϛϯάݴޠ ... ಛʹɺ࠷ۙϑϩϯτΤϯυͰ͸ಈతܕ෇͚ݴޠ͸ 
 ͋Μ·Γ࢖ΘΕͯͳ͍͕ɺαʔόʔͰ͸࢖ΘΕ͍ͯΔ αʔόʔؒ GraphQL ͱɺ 
 ϑϩϯτ-αʔόʔ GraphQL ͷ࣮૷؍఺Ͱͷҧ͍

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• Ruby ͷ GraphQL ΫϥΠΞϯτϥΠϒϥϦ͸ɺҰԠੈͷதʹଘࡏ͢Δ͕ • github-community-projects/graphql-client • shkan18/graphlient • ݸਓతʹ͸࢖ͬͯ΋࢖Θͳͯ͘΋Α͍ • ࢖Θͳ͍৔߹: ͨͩͷ HTTP ΫϥΠΞϯτΛͪΐͬͱ wrap ͢Δ • ࢖Θͳͯ͘΋͍͍ཧ༝ • ಈతܕ෇͚ݴޠͰ͋Δ => ܕੜ੒͕ෆཁ • ΩϟογϡϚωδϝϯτ͕ෆཁ GraphQL ΫϥΠΞϯτϥΠϒϥϦΛ࢖͏΂͖?

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• "ܕ͸0൪໨ͷςετ" • Ruby ͸ಈతܕ෇͚ݴޠͳͷͰɺ 
 ͦͷ෼ɺࣗಈςετΛͪΌΜͱॻ͘จԽ͕ڧ͍ • ֎෦ API ݺͼग़͠Λ͍ͯ͠ΔίʔυͷςετΛͲ͏ॻ͔͘? ࣗಈςετ

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• (1) HTTP ϨϕϧͰ stub ͢Δ • Ruby Ͱ͸ bblimke/webmock ͕ఆ൪ • stub_request(:post, url).with().to_return() • (2) API call Λϥοϓͨ͠ΫϥεΛ࡞ΓɺͦΕΛ stub ͢Δ • RSpec ͩͱ allow().to receive().and_return() ֎෦ API ݺͼग़͠ͷςετύλʔϯ

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• [͓͢͢Ί] (1) HTTP ϨϕϧͰ stub ͢Δ • [not͓͢͢Ί] (2) API call Λϥοϓͨ͠ΫϥεΛ࡞ΓͦΕΛ stub ͢Δ • جຊతʹɺΫΤϦ͸1ϢʔεέʔεҎ֎Ͱ࢖͍ճ͞ͳ͍΄͏͕͍͍ • => ΫΤϦ͸ϢʔεέʔεʹରԠͯ͠ϕλॻ͖ͨ͠΄͏͕͍͍ • ϥοϓͨ͠ΫϥεΛ࡞Δҙຯ͸͋Μ·Γͳ͍ɺΉ͠ΖϚΠφεͩΑ ֎෦ API ݺͼग़͠ͷςετύλʔϯ

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webmock Λ࢖͏ stub_request(:post, "another-backend.com/graphql"). with(body: { query: FooOperation::QUERY, variables: { bazId: "1" } }). to_return(body: { data: { a: 1, b: { c: 2, d: 3 } } }.to_json)

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• ͍ΖΜͳͱ͜ΖͰ stub_request ͕ඞཁʹͳΔ • ୯ମςετ, request spec, etc... • ͦͷݺͼग़͕͠ԞͷํͰ͋Ε͹͋Δ΄Ͳ stub ͢ΔՕॴ͕૿͑Δ • ΫΤϦʹϑΟʔϧυΛ௥Ճ/࡟আͨ͠ͱ͖ɺ 
 શͯͷ stub_request Λमਖ਼͢Δඞཁ͕͋Δ • େมͩ͠ɺΑ͘๨ΕΔ => ςετͷ৴པੑ͕Լ͕Δ webmock Λ࢖͏ => ϝϯςφϯε͕ਏ͍

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• stub ͢Δ໭Γ஋͸ςετ͝ͱʹมΘΔ͕ɺେ൒͸มΘΒͳ͍ • σϑΥϧτ͕͋Δͱ͍͍ • thoughtbot/factory_bot ͕ࢀߟʹͳΓͦ͏! • ͍ͭͰʹ stub_request पΓͷهड़ΛεοΩϦ͍ͤͨ͞ • ͭͬͨ͘ qsona/webmock-graphql ղܾࡦ

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• factory_bot Λࢀߟʹͯ͠࡞ͬͨΑ • stub_graphql_request(:name, args) • :name ʹରԠ͢Δ stub Λొ࿥͓ͯ͘͠ webmock-graphql

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• ϝϯς΋͞Εͯͳ͍͠ README ΋ॻ͔Εͯͳ͍ • ୭͕͔ͭ͏Μ͡Ό (લ৬Ͱ͸࢖ΘΕͯΔ͸ͣ) • ͜ͷΠϕϯτ·Ͱʹ४උ͢Δ༧ఆͩͬͨͷͰ͕͢ 
 ࣌ؒͳ͔ͬͨɾɾɾ͝ΊΜͳ͍͞ɾɾɾ • ͍ͣΕʹͤΑχον͗͢ΔͷͰ͜ͷ࿩୊͸͜͜·Ͱw • ڵຯ͋Δํ࠙਌ձͰͥͻ! ޻ࣄத...

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΋͏ҰݸωλΛ౤Լ

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Persisted Queries ͷख๏ൺֱ @qsona 2024-04-19 tsukiji.graphql x ϋοΧʔᲔ

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Persisted Queries ͯ͠·͔͢?

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• ຊ൪؀ڥͰୟ͚ΔΫΤϦΛɺ૝ఆ͞Ε͍ͯΔ΋ͷ͚ͩʹ੍ݶͰ͖Δ • => ηΩϡϦςΟతͳϦεΫͷܰݮ • ϖΠϩʔυʹΫΤϦશମΛࡌͤΔඞཁ͕ͳ͘ͳΔ • hash ஋ͱ͔Ͱ΍ΓͱΓ͢Δ • => (mutation Ͱ͸ͳ͘) query ͷͱ͖͸ 
 GET ϝιου͕࣮࣭తʹ࢖͑ΔΑ͏ʹͳΓɺΩϟογϡͳͲͰ༗ར Persisted Queries ͷεεϝ

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Persisted Queries ௒ΦεεϝͰ͢!

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ࠓिग़ͯͨهࣄ

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ख๏ͷൺֱ

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• API ͷެ։ઌ͕޿͍ํ͔Βॱʹ 
 Automatic Persisted Queries > Signed Query > 
 Persisted Queries 
 ͕༗ޮͳͷͰ͸ͳ͍͔ ߟ࡯