require 'spec_helper'

describe EPUBInfo::Models::Cover do
  describe '#new' do
    context 'EPUB2' do
      context 'without cover' do
        it 'should return nil' do
          path = 'spec/support/binary/nocover_epub2.epub'
          parser = EPUBInfo::Parser.parse(path)
          EPUBInfo::Models::Cover.new(parser).should be_nil
        end
      end

      context 'with missing cover image file' do
        it 'should return nil' do
          path = 'spec/support/binary/missingcoverfile_epub2.epub'
          parser = EPUBInfo::Parser.parse(path)
          EPUBInfo::Models::Cover.new(parser).should be_nil
        end
      end

      context 'with cover' do
        subject do
          path = 'spec/support/binary/metamorphosis_epub2.epub'
          parser = EPUBInfo::Parser.parse(path)
          EPUBInfo::Models::Cover.new(parser)
        end

        its(:content_type) { should == 'image/jpeg' }
        its(:original_file_name) { should == 'cover.jpg' }

        it 'should be correct File' do
          subject.tempfile.should be_kind_of Tempfile
          subject.tempfile.size.should == 19263
        end

        it 'file should take block' do
          subject.tempfile do |file|
            file.should be_kind_of Tempfile
            file.size.should == 19263
          end
        end
      end

      context 'with cover in root' do
        subject do
          path = 'spec/support/binary/coverinroot_epub2.epub'
          parser = EPUBInfo::Parser.parse(path)
          EPUBInfo::Models::Cover.new(parser)
        end

        it 'should have correct File' do
          subject.tempfile do |file|
            file.should be_kind_of Tempfile
            file.size.should == 1908
          end
        end
      end
    end

    context 'with "img-bookcover-jpeg" cover id' do
      subject do
        path = 'spec/support/binary/illustrations_epub2.epub'
        parser = EPUBInfo::Parser.parse(path)
        EPUBInfo::Models::Cover.new(parser)
      end

      its(:content_type) { should == 'image/jpeg' }
      its(:original_file_name) { should == 'bookcover.jpg' }

      it 'file should be correct File' do
        subject.tempfile.should be_kind_of Tempfile
        subject.tempfile.size.should == 50242
      end

      it 'file should take block' do
        subject.tempfile do |file|
          file.should be_kind_of Tempfile
          file.size.should == 50242
        end
      end
    end

    context 'EPUB3 with cover' do
      subject do
        path = 'spec/support/binary/wasteland_epub3.epub'
        parser = EPUBInfo::Parser.parse(path)
        EPUBInfo::Models::Cover.new(parser)
      end

      its(:content_type) { should == 'image/jpeg' }
      its(:original_file_name) { should == 'wasteland-cover.jpg' }

      it 'file should be correct File' do
        subject.tempfile.should be_kind_of Tempfile
        subject.tempfile.size.should == 103477
      end

      it 'file should take block' do
        subject.tempfile do |file|
          file.should be_kind_of Tempfile
          file.size.should == 103477
        end
      end
    end
  end
end