require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')

describe ISORecords do

  context 'for simple data' do
    let(:iso_records) { ISORecords.new(File.expand_path(File.dirname(__FILE__) + '/../iso_data/simple_data')) }

    context 'on initialization' do
      it 'loads data' do
        iso_records.data.should == [{:code => 'A', :says => 'hello'},
                            {:code => 'B', :says => 'goodbye'}]
      end
    end

    context 'returns values when' do
      it 'filtered by a field' do
        iso_records.values_for(:says).should == ['HELLO', 'GOODBYE']
      end

      it 'filtered by multiple fields' do
        iso_records.values_for([:code, :says]).should == ['A', 'HELLO', 'B', 'GOODBYE']
      end
    end
  end

  context 'for complex data' do
    let(:iso_records) { ISORecords.new(File.expand_path(File.dirname(__FILE__) + '/../iso_data/complex_data')) }

    context 'on initialization' do
      it 'loads data' do
        iso_records.data.should == [{:code => 'A', :entity => ['Alpha', 'Beta'], :says => 'hello'},
                            {:code => 'B', :says => 'goodbye'}]
      end
    end

    context 'returns values when' do
      it 'filtered by a field' do
        iso_records.values_for(:entity).should == ['ALPHA', 'BETA']
      end

      it 'filtered by a string field' do
        iso_records.values_for("entity").should == ['ALPHA', 'BETA']
      end

      it 'filtered by multiple fields' do
        iso_records.values_for([:entity, :says]).should == ['ALPHA', 'BETA', 'HELLO', 'GOODBYE']
      end
    end
  end
end