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Rack::ClientSpec
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Harukasan
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November 17, 2014
Technology
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Rack::ClientSpec
Rack::ClientSpec can test your client behavior
社内勉強会用資料
Harukasan
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November 17, 2014
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Transcript
Rack::ClientSpec @harukasan / Δ͔͞Μ
ωλͳͷͰਅʹड͚͍͚ͯͳ͍
Web is based on a browser • Web͍͍ͩͨϒϥβ͕ਖ਼͍͜͠ͱ͕લఏʹͳ͍ͬͯΔ • ϒϥβ͕HTTP/HTML/CSS/JSΛ࣮ͯ͘͠ΕͯΔ͓͔͛Ͱ
ΒαʔϏεΛఏڙͰ͖Δ • ϒϥβ੍࡞ऀʹ಄͕͕͋Βͳ͍
Some clients are in the blackbox • ͱ͍͑શͯͷΫϥΠΞϯτͷڍಈ͕Θ͔ͬͯΔΘ͚Ͱͳ͍ • ISUCONͩͱΫϥΠΞϯτͷڍಈṖ
E2E test for server Server Mock send a request get
a response
Capybara it "returns 200" do visit '/' expect(page).to have_content 'Success'
end
Test a client
Test a client Mock Client send a response (if you
need) get a request
Rack::ClientSpec rubygems.org/gems/rack-client_spec
Rack::ClientSpec • ΫϥΠΞϯτͷڍಈΛαʔό͔ΒςετͰ͖Δ • Rack MiddlewareͳͷͰRackΠϯλʔϑΣʔεͳΒ͍͍ͩͨΈࠐΊΔ • Θ͟Θ͟ϞοΫΛͭ͘Βͳͯ͘αʔόʹΈࠐΊͯศར • power_assertศར
github.com/harukasan/rack-client_spec
Insert ClientSpec to your rack Server Client send a response
(if you need) get a request ClientSpec
Insert ClientSpec to your rack app require 'rack' require 'rack/lobster'
require 'rack/client_spec' require 'rack/lobster_spec' use Rack::ClientSpec, LobsterSpec # <- Insert Clientspec run Rack::Lobster.new
Write a test case require 'rack/client_spec' class LobsterSpec < Rack::ClientSpec::TestCase
# <-- test case def test_flip # <-- test method get '/' do |req, res| # <-- expect request assert { res.status == 200 } end get '/?flip=left' do |req, res| # <-- expect request assert { req['HTTP_REFERER'] == 'http://localhost:9292/' } end end end
TODO • ϦΫΤετͷ్தʹ༨ܭͳϦΫΤετ͕དྷΔͱ͚͜ΔͷΛͳ͓͢ • ϦΫΤετ͕དྷͳ͍͜ͱΛςετ͍ͨ͠ • Cache-Controlςετ͍ͨ͠ • όάϑΟοΫε