Contents

# encoding: utf-8

require 'spec_helper'

describe Relation::Operation::Order, '#eql?' do
  subject { object.eql?(other) }

  let(:operand)    { Relation.new([[:id, Integer]], [[1], [2]]) }
  let(:directions) { operand.header                             }
  let(:object)     { described_class.new(operand, directions)   }

  context 'with the same object' do
    let(:other) { object }

    it { should be(true) }

    it 'is symmetric' do
      should eql(other.eql?(object))
    end
  end

  context 'with an equivalent object' do
    let(:other) { object.dup }

    it { should be(true) }

    it 'is symmetric' do
      should eql(other.eql?(object))
    end
  end

  context 'with an equivalent object of a subclass' do
    let(:other) { Class.new(described_class).new(object, directions) }

    it { should be(false) }

    it 'is symmetric' do
      should eql(other.eql?(object))
    end
  end

  context 'with an object having a different operand' do
    let(:other_operand)    { Relation.new([[:id, Integer]], [[1]])                }
    let(:other_directions) { directions                                           }
    let(:other)            { described_class.new(other_operand, other_directions) }

    it { should be(false) }

    it 'is symmetric' do
      should eql(other.eql?(object))
    end
  end

  context 'with an object having different directions' do
    let(:other_operand)    { operand                                              }
    let(:other_directions) { [operand[:id].desc]                                  }
    let(:other)            { described_class.new(other_operand, other_directions) }

    it { should be(false) }

    it 'is symmetric' do
      should eql(other.eql?(object))
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
axiom-0.1.1	spec/unit/axiom/relation/operation/order/eql_spec.rb