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Rack::ClientSpec
@harukasan / Δ͔͞Μ
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ωλͳͷͰਅʹड͚͍͚ͯͳ͍
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Web is based on a browser
• Web͍͍ͩͨϒϥβ͕ਖ਼͍͜͠ͱ͕લఏʹͳ͍ͬͯΔ
• ϒϥβ͕HTTP/HTML/CSS/JSΛ࣮ͯ͘͠ΕͯΔ͓͔͛Ͱ
ΒαʔϏεΛఏڙͰ͖Δ
• ϒϥβ੍࡞ऀʹ಄͕͕͋Βͳ͍
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Some clients are in the blackbox
• ͱ͍͑શͯͷΫϥΠΞϯτͷڍಈ͕Θ͔ͬͯΔΘ͚Ͱͳ͍
• ISUCONͩͱΫϥΠΞϯτͷڍಈṖ
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E2E test for server
Server
Mock
send a request
get a response
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Capybara
it "returns 200" do
visit '/'
expect(page).to have_content 'Success'
end
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Test a client
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Test a client
Mock
Client
send a response (if you need)
get a request
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Rack::ClientSpec
rubygems.org/gems/rack-client_spec
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Rack::ClientSpec
• ΫϥΠΞϯτͷڍಈΛαʔό͔ΒςετͰ͖Δ
• Rack MiddlewareͳͷͰRackΠϯλʔϑΣʔεͳΒ͍͍ͩͨΈࠐΊΔ
• Θ͟Θ͟ϞοΫΛͭ͘Βͳͯ͘αʔόʹΈࠐΊͯศར
• power_assertศར
github.com/harukasan/rack-client_spec
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Insert ClientSpec to your rack
Server
Client
send a response (if you need)
get a request
ClientSpec
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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
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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
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TODO
• ϦΫΤετͷ్தʹ༨ܭͳϦΫΤετ͕དྷΔͱ͚͜ΔͷΛͳ͓͢
• ϦΫΤετ͕དྷͳ͍͜ͱΛςετ͍ͨ͠
• Cache-Controlςετ͍ͨ͠
• όάϑΟοΫε