require 'spec_helper' module Alf module Operator::NonRelational describe Compact::BufferBased do let(:input) {[ {:a => "via_method", :time => 1, :b => "b"}, {:a => "via_method", :time => 1, :b => "b"}, {:a => "via_method", :time => 2, :b => "b"}, {:a => "via_reader", :time => 3, :b => "b"}, {:a => "via_reader", :time => 3, :b => "b"}, ]} let(:expected) {[ {:a => "via_method", :time => 1, :b => "b"}, {:a => "via_method", :time => 2, :b => "b"}, {:a => "via_reader", :time => 3, :b => "b"}, ]} subject{ operator.to_a } describe "when factored with commandline args" do let(:operator){ Compact::BufferBased.new } before{ operator.pipe(input) } it { should == expected } end end end end