# encoding: utf-8 require 'spec_helper' require File.expand_path('../fixtures/classes', __FILE__) describe Relation::Operation::Binary, '#header' do subject { object.header } let(:described_class) { BinaryRelationOperationSpecs::Object } let(:left) { Relation.new([[:id, Integer]], [[1]]) } let(:right) { Relation.new([[:name, String]], [['Dan Kubb']]) } let(:object) { described_class.new(left, right) } it_should_behave_like 'an idempotent method' it { should be_instance_of(Relation::Header) } it { should == [[:id, Integer], [:name, String]] } end