require 'spec_helper'

describe PageRankr::ProxyServices::RoundRobin do
  let(:proxies) do
    [
      "user:password@192.168.1.1:50501",
      "bob:smith@127.0.0.1:3000"
    ]
  end
  let(:site){PageRankr::Site("http://www.google.com")}
  let(:name){:ranks_google}
  subject{PageRankr::ProxyServices::RoundRobin.new(proxies)}

  it{should respond_to(:proxy).with(2).arguments}

  it "should return the first proxy on the first call" do
    expect(subject.proxy(name, site)).to eq(proxies.first)
  end

  it "should return the second proxy on the second call" do
    subject.proxy(name, site)
    expect(subject.proxy(name, site)).to eq(proxies.last)
  end

  it "should return the first proxy on the third call" do
    subject.proxy(name, site)
    subject.proxy(name, site)
    expect(subject.proxy(name, site)).to eq(proxies.first)
  end
end