Clarance auth strategy for derailed_benchmarks

perf.rake

# See: https://github.com/thoughtbot/clearance/blob/3e9529a643cff20beb9bb49eacedb90dee49d465/lib/clearance/testing/controller_helpers.rb

class ClearanceAuth < DerailedBenchmarks::AuthHelper
  def setup
    require 'clearance/session'
    @user = User.first # Change to fit your needs
  end

  def call(env)
    env[:clearance] = Clearance::Session.new(env)
    env[:clearance].sign_in(@user)
    app.call(env)
  end
end

DerailedBenchmarks.auth = ClearanceAuth.new