# frozen_string_literal: true

require 'spec_helper'

RSpec.describe AceOfBase::FileImporter do
  let(:file_data) { File.read(File.expand_path('../fixtures/sample_file.txt', __dir__)) }
  let(:file) { StringIO.new(file_data) }
  let(:importer) { described_class.new(file) }
  subject { importer }

  describe '.import' do
    subject { described_class.import(file) }

    it 'delegates to #import' do
      expect(described_class)
        .to receive_message_chain(:new, :import)
        .with(file)
        .with(no_args)

      subject
    end
  end

  describe '#import' do
    subject { super().import }

    it 'imports the file data' do
      expect { subject }
        .to change { importer.records.size }
        .from(0)
    end

    context 'When the file contains errors' do
      let(:file_data) { 'TimeCop is the best time travel movie ever' }

      it 'records the errors' do
        expect { subject }
          .to change { importer.valid? }
          .from(true)
      end
    end
  end
end