code for party decorator

lib/parliament/decorators/party.rb

@@ -0,0 +1,10 @@
+
+module Parliament
+  module Decorators
+    module Party
+      def name
+        respond_to?(:partyName) ? partyName : ''
+      end
+    end
+  end
+end

spec/fixtures/no_current_parties.nt

@@ -0,0 +1,3 @@
+<http://id.ukpds.org/28a6df70-572f-4063-ab51-ac5457f352bb> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.ukpds.org/schema/Party> .
+
+

spec/fixtures/parties_current.nt

@@ -0,0 +1,11 @@
+<http://id.ukpds.org/7a048f56-0ddd-48b0-85bd-cf5dd9fa5427> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.ukpds.org/schema/Party> .
+<http://id.ukpds.org/7a048f56-0ddd-48b0-85bd-cf5dd9fa5427> <http://id.ukpds.org/schema/partyName> "Labour" .
+<http://id.ukpds.org/ab77ae5d-7559-4636-ac25-2a23fd961980> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.ukpds.org/schema/Party> .
+<http://id.ukpds.org/ab77ae5d-7559-4636-ac25-2a23fd961980> <http://id.ukpds.org/schema/partyName> "Conservative" .
+<http://id.ukpds.org/98f0d50d-d9f7-49e3-a9ad-4f7ddaf08349> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.ukpds.org/schema/Party> .
+<http://id.ukpds.org/98f0d50d-d9f7-49e3-a9ad-4f7ddaf08349> <http://id.ukpds.org/schema/partyName> "Independent" .
+<http://id.ukpds.org/0aed9061-7b9b-42f1-b3a8-0427460789d8> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.ukpds.org/schema/Party> .
+<http://id.ukpds.org/0aed9061-7b9b-42f1-b3a8-0427460789d8> <http://id.ukpds.org/schema/partyName> "Green Party" .
+<http://id.ukpds.org/28a6df70-572f-4063-ab51-ac5457f352bb> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.ukpds.org/schema/Party> .
+<http://id.ukpds.org/28a6df70-572f-4063-ab51-ac5457f352bb> <http://id.ukpds.org/schema/partyName> "Scottish National Party" .
+

spec/parliament/decorators/party_spec.rb

@@ -0,0 +1,30 @@
+require_relative '../../spec_helper'
+
+describe Parliament::Decorators::Party do
+  let(:data) { StringIO.new(File.read('spec/fixtures/parties_current.nt')) }
+  let(:empty_name) { StringIO.new(File.read('spec/fixtures/no_current_parties.nt')) }
+  let(:objects) { Grom::Reader.new(data).objects }
+  let(:objects_without_name) { Grom::Reader.new(empty_name).objects }
+  let(:party_node) { objects.first }
+  let(:objects_without_name_node) { objects_without_name.first }
+
+  describe '#name' do
+    context 'Grom::Node has all the required objects' do
+      it 'confirms that the type for this Grom::Node object is Party' do
+        expect(party_node.type).to eq('http://id.ukpds.org/schema/Party')
+      end
+
+      it 'returns the name of the party for the Grom::Node object' do
+        party_node.extend(Parliament::Decorators::Party)
+        expect(party_node.name).to eq('Labour')
+      end
+    end
+
+    context 'Grom::Node does not have have a name' do
+      it 'confirms that the name for this Grom::Node node does not exist' do
+        objects_without_name_node.extend(Parliament::Decorators::Party)
+        expect(objects_without_name_node.name).to eq('')
+      end
+    end
+  end
+end

spec/spec_helper.rb

@@ -9,6 +9,7 @@
 $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
 require 'parliament'
 require 'webmock/rspec'
+require_relative '../lib/parliament/decorators/party'
 
 require 'vcr'