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| | # frozen_string_literal: true
require_relative 'helper'
separate_testing do
require_relative '../lib/rack/runtime'
require_relative '../lib/rack/lint'
require_relative '../lib/rack/mock_request'
end
describe Rack::Runtime do
def runtime_app(app, *args)
Rack::Lint.new Rack::Runtime.new(app, *args)
end
def request
Rack::MockRequest.env_for
end
it "sets x-runtime is none is set" do
app = lambda { |env| [200, { 'content-type' => 'text/plain' }, "Hello, World!"] }
response = runtime_app(app).call(request)
response[1]['x-runtime'].must_match(/[\d\.]+/)
end
it "doesn't set the x-runtime if it is already set" do
app = lambda { |env| [200, { 'content-type' => 'text/plain', "x-runtime" => "foobar" }, "Hello, World!"] }
response = runtime_app(app).call(request)
response[1]['x-runtime'].must_equal "foobar"
end
it "allow a suffix to be set" do
app = lambda { |env| [200, { 'content-type' => 'text/plain' }, "Hello, World!"] }
response = runtime_app(app, "Test").call(request)
response[1]['x-runtime-test'].must_match(/[\d\.]+/)
end
it "allow multiple timers to be set" do
app = lambda { |env| sleep 0.1; [200, { 'content-type' => 'text/plain' }, "Hello, World!"] }
runtime = runtime_app(app, "App")
# wrap many times to guarantee a measurable difference
100.times do |i|
runtime = Rack::Runtime.new(runtime, i.to_s)
end
runtime = Rack::Runtime.new(runtime, "All")
response = runtime.call(request)
response[1]['x-runtime-app'].must_match(/[\d\.]+/)
response[1]['x-runtime-all'].must_match(/[\d\.]+/)
Float(response[1]['x-runtime-all']).must_be :>, Float(response[1]['x-runtime-app'])
end
end
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