require 'rack/lint'
require 'rack/mock'
require 'rack/runtime'
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'].should =~ /[\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'].should == "foobar"
end
should "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'].should =~ /[\d\.]+/
end
should "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'].should =~ /[\d\.]+/
response[1]['X-Runtime-All'].should =~ /[\d\.]+/
Float(response[1]['X-Runtime-All']).should > Float(response[1]['X-Runtime-App'])
end
end
|