add test for the new port field

Author: Pere Urbon-Bayes

spec/inputs/tcp_spec.rb

@@ -269,6 +269,12 @@
  end
  end
 
+ it "should add the host and port to the generated event" do
+ events.each do |event|
+ expect(event["host"]).to eq("127.0.0.1")
+ expect(event["port"]).to be_an(Fixnum)
+ end
+ end
  end
 
  it_behaves_like "an interruptible input plugin" do