Contents

# encoding: utf-8

require 'spec_helper'

describe Relation::Keys, '#project' do
  subject { object.project(attributes) }

  let(:object) { described_class.coerce([ header ]) }
  let(:header) { [ id, name ]                       }
  let(:id)     { [ :id   ]                          }
  let(:name)   { [ :name ]                          }

  context 'with attributes that do not change the keys' do
    let(:attributes) { [ id, name ] }

    it { should equal(object) }
  end

  context 'with attributes that change the keys' do
    let(:attributes) { [ id ] }

    it { should be_instance_of(described_class) }

    it { should == [ [ id ] ] }
  end

  context 'with attributes that clear the keys' do
    let(:attributes) { [] }

    it { should be_instance_of(described_class) }

    it { should be_empty }
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
axiom-0.1.0	spec/unit/axiom/relation/keys/project_spec.rb