require "spec_helper"

describe BrDanfe::Vol do
  let(:base_dir) { "./spec/fixtures/lib/"}
  let(:output_pdf) { "#{base_dir}output.pdf" }

  let(:pdf) { BrDanfe::Document.new }
  let(:xml) { BrDanfe::XML.new(xml_as_string) }

  subject { described_class.new(pdf, xml) }

  describe "#render" do
    let(:xml_as_string) do
      <<-eos
      <NFe xmlns="http://www.portalfiscal.inf.br/nfe">
        <infNFe Id="NFe25111012345678901234550020000134151000134151" versao="2.00">
          <transp>
            <vol>
              <qVol>1</qVol>
              <esp>VOLUMES 1</esp>
              <marca>DIVERSOS 1</marca>
              <nVol>1</nVol>
              <pesoL>1000.000</pesoL>
              <pesoB>1100.000</pesoB>
            </vol>
            <vol>
              <qVol>2</qVol>
              <esp>VOLUMES 2</esp>
              <marca>DIVERSOS 2</marca>
              <nVol>2</nVol>
              <pesoL>2000.000</pesoL>
              <pesoB>2200.000</pesoB>
            </vol>
            <vol>
              <qVol>3</qVol>
              <esp>VOLUMES 3</esp>
              <marca>DIVERSOS 3</marca>
              <nVol>3</nVol>
              <pesoL>3000.000</pesoL>
              <pesoB>3300.000</pesoB>
            </vol>
          </transp>
        </infNFe>
      </NFe>
      eos
    end

    before do
      subject.render
      File.delete(output_pdf) if File.exist?(output_pdf)
    end

    it "renders xml to the pdf" do
      expect(File.exist?(output_pdf)).to be_falsey

      pdf.render_file output_pdf

      expect("#{base_dir}vol#render.pdf").to have_same_content_of file: output_pdf
    end

    it "returns the quantity of volumes" do
      expect(subject.render).to eq 3
    end

    context "when any <vol> tag is found" do
      let(:xml_as_string) do
        <<-eos
        <NFe xmlns="http://www.portalfiscal.inf.br/nfe">
          <infNFe Id="NFe25111012345678901234550020000134151000134151" versao="2.00">
            <transp>
            </transp>
          </infNFe>
        </NFe>
        eos
      end

      it "renders blank boxes" do
        expect(File.exist?(output_pdf)).to be_falsey

        pdf.render_file output_pdf

        expect("#{base_dir}vol#render-blank-boxes.pdf").to have_same_content_of file: output_pdf
      end
    end
  end
end