Contents

require_relative '../../../spec_helper'

describe DataMapper::Resource::PersistenceState::Deleted do
  before :all do
    class ::Author
      include DataMapper::Resource

      property :id,     HugeInteger, :key => true, :default => 1
      property :name,   String
      property :active, Boolean,     :default => true
      property :coding, Boolean,     :default => true

      belongs_to :parent, self, :required => false
      has n, :children, self, :inverse => :parent
    end

    DataMapper.finalize
    @model = Author
  end

  before do
    @resource = @model.create(:name => 'Dan Kubb')

    @state = DataMapper::Resource::PersistenceState::Deleted.new(@resource)
  end

  after do
    @model.destroy!
  end

  describe '#commit' do
    subject { @state.commit }

    supported_by :all do
      it 'returns an Immutable state' do
        is_expected.to eql(DataMapper::Resource::PersistenceState::Immutable.new(@resource))
      end

      it 'deletes the resource' do
        subject
        expect(@model.get(*@resource.key)).to be_nil
      end

      it 'removes the resource from the identity map' do
        identity_map = @resource.repository.identity_map(@model)
        expect { method(:subject) }.to change { identity_map.dup }.from(@resource.key => @resource).to({})
      end
    end
  end

  describe '#delete' do
    subject { @state.delete }

    supported_by :all do
      it 'is a no-op' do
        is_expected.to equal(@state)
      end
    end
  end

  describe '#get' do
    it_behaves_like 'Resource::PersistenceState::Persisted#get'
  end

  describe '#set' do
    subject { @state.set(@key, @value) }

    supported_by :all do
      before do
        @key   = @model.properties[:name]
        @value = @key.get!(@resource)
      end

      it 'raises an exception' do
        expect { method(:subject) }.to raise_error(DataMapper::ImmutableDeletedError, 'Deleted resource cannot be modified')
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
sbf-dm-core-1.3.0	spec/semipublic/resource/state/deleted_spec.rb
sbf-dm-core-1.3.0.beta	spec/semipublic/resource/state/deleted_spec.rb