Contents

require 'spec_helper'

describe 'Veritas::Algebra::Rename#eql?' do
  subject { object.eql?(other) }

  let(:klass)   { Algebra::Rename                               }
  let(:operand) { Relation.new([ [ :id, Integer ] ], [ [ 1 ] ]) }
  let(:aliases) { { :id => :other_id }                          }
  let(:object)  { klass.new(operand, aliases)                   }

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

    it { should be(true) }

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

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

    it { should be(true) }

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

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

    it { should be(false) }

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

  context 'with an object having a different operand' do
    let(:other_operand) { Relation.new([ [ :id, Integer ] ], [ [ 2 ] ]) }
    let(:other_aliases) { aliases                                       }
    let(:other)         { klass.new(other_operand, other_aliases)       }

    it { should be(false) }

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

  context 'with an object having different aliases' do
    let(:other_operand) { operand                                 }
    let(:other_aliases) { { :id => :another_id }                  }
    let(:other)         { klass.new(other_operand, other_aliases) }

    it { should be(false) }

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

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
veritas-0.0.2	spec/unit/veritas/algebra/rename/eql_spec.rb