Use let block instead of setup to be able to overwrite it in nested contexts.

describe FnordMetric::Worker do

  before(:each) do

    @worker = FnordMetric::Worker.new()

  end

  let(:worker) { FnordMetric::Worker.new() }

  it "should generate the correct pubsub-key" do

    @worker.pubsub_key.should == "fnordmetric-announce"

    worker.pubsub_key.should == "fnordmetric-announce"

  end

  it "should generate the correct queue-key" do

    @worker.queue_key.should == "fnordmetric-queue"

    worker.queue_key.should == "fnordmetric-queue"

  end

  it "should generate the correct event-key" do

    @worker.event_key("myevent").should == "fnordmetric-event-myevent"

    worker.event_key("myevent").should == "fnordmetric-event-myevent"

  end

  it "should generate the correct stats-key" do

    @worker.stats_key.should == "fnordmetric-stats"

    worker.stats_key.should == "fnordmetric-stats"

  end

  it "should add a namespace"