require_relative '../spec_helper'

describe DarwinCore::Core do
  subject(:dwca) { DarwinCore.new(file_path) }
  subject(:core) { DarwinCore::Core.new(dwca) }
  let(:file_path) { File.join(File.expand_path('../../files', __FILE__), 
                             file_name) }
  let(:file_name) { 'data.tar.gz' }
  

  describe '.new' do
    it 'creates new core' do
      expect(core).to be_kind_of DarwinCore::Core
    end
  end
  
  describe '#id' do

    it 'returns core id' do
      expect(core.id[:index]).to eq 0
      expect(core.id[:term]).to eq 'http://rs.tdwg.org/dwc/terms/TaxonID'
    end

    context 'no coreid' do
      let(:file_name) { 'empty_coreid.tar.gz' }

      it 'does not return coreid' do
        expect(core.id[:index]).to eq 0
        expect(core.id[:term]).to be_nil
      end
    end
  end

  describe '#data' do
    it 'gers core data' do
      expect(core.data).to be_kind_of Hash
    end
  end

  describe '#properties' do
    it 'gers core properties' do
      expect(core.properties).to be_kind_of Hash
      expect(core.properties.keys).to match_array [:encoding, 
        :fieldsTerminatedBy, :linesTerminatedBy, :fieldsEnclosedBy, 
        :ignoreHeaderLines, :rowType ]
    end
  end
  
  describe '#encoding' do
    it 'returns encoding of the data' do
      expect(core.encoding).to eq 'UTF-8'
    end
  end

  describe '#fields_separator' do
    it 'returns separator of fields for csv files' do
      expect(core.fields_separator).to be_nil
    end
  end

  describe '#size' do
    it 'returns number of lines in the core' do
      expect(core.size).to eq 588
    end
  end

  describe '#file_path' do
    it 'returns file path of core file' do
      expect(core.file_path).to match 'DarwinCore.txt'
    end
  end

  describe '#fields' do
    it 'returns fields of the core file' do
      expect(core.fields.size).to eq 7
      expect(core.fields).to be_kind_of Array
      expect(core.fields[0]).to be_kind_of Hash
    end
  end

  describe '#line_separator' do
    it 'returns characters separating lines in csv file' do
      expect(core.line_separator).to eq "\\n"
    end
  end

  describe '#quote_character' do
    it 'returns quote character for the csv file' do
      expect(core.quote_character).to eq ''
    end
  end

  describe '#ignore headers' do
    it 'returns true if headers should not be included into data' do
      expect(core.ignore_headers).to eq true
    end
  end
end