describe Rack::Attack do describe 'image request' do let(:request) { env = Rack::MockRequest.env_for("https://api-test.travis-ci.org/travis-ci/travis-github-sync.png") Rack::Attack::Request.new(env) } it 'should be safelisted' do expect(Rack::Attack.whitelisted?(request)).to be_truthy end end describe 'non-image API request' do let(:request) { env = Rack::MockRequest.env_for("https://api-test.travis-ci.org/repos/rails/rails/branches") Rack::Attack::Request.new(env) } it 'should not be safelisted' do expect(Rack::Attack.whitelisted?(request)).to be_falsy end end end