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# frozen_string_literal: true
require_relative 'helper'
separate_testing do
require_relative '../lib/rack/config'
require_relative '../lib/rack/lint'
require_relative '../lib/rack/builder'
require_relative '../lib/rack/mock_request'
end
describe Rack::Config do
it "accept a block that modifies the environment" do
app = Rack::Builder.new do
use Rack::Lint
use Rack::Config do |env|
env['greeting'] = 'hello'
end
run lambda { |env|
[200, { 'content-type' => 'text/plain' }, [env['greeting'] || '']]
}
end
response = Rack::MockRequest.new(app).get('/')
response.body.must_equal 'hello'
end
end
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