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require File.expand_path(File.join(File.dirname(__FILE__), 'download_retriever_spec_helper'))
require File.expand_path(File.join(File.dirname(__FILE__), '..', 'scraper_helper'))

describe RightScraper::Retrievers::Download do
  include RightScraper::SpecHelpers::DevelopmentModeEnvironment

  include RightScraper::ScraperHelper
  include RightScraper::SpecHelpers

  before(:each) do
    @helper = RightScraper::DownloadRetrieverSpecHelper.new
    @repo = @helper.repo
    @retriever = @repo.retriever(:max_bytes => 1024**2, :max_seconds => 20, :basedir => @helper.download_repo_path)
  end

  after(:each) do
    @helper.close unless @helper.nil?
    @helper = nil
  end

  it 'should not initially have a tag' do
    @repo.tag.should be_nil
  end

  context 'given a password protected repository' do
    before(:each) do
      pending "Not run unless REMOTE_USER and REMOTE_PASSWORD set" unless ENV['REMOTE_USER'] && ENV['REMOTE_PASSWORD']
      url = 'https://wush.net/svn/rightscale/cookbooks_test/cookbooks/app_rails.tar.gz'
      @repo.url = url
      @repo.display_name = 'wush'
    end

    it 'should scrape' do
      @retriever.retrieve
      scraper = RightScraper::Scrapers::Base.scraper(:kind            => :cookbook,
                                                     :ignorable_paths => @retriever.ignorable_paths,
                                                     :repo_dir        => @retriever.repo_dir,
                                                     :repository      => @retriever.repository)
      cookbook = scraper.next_resource
      cookbook.should_not be_nil
      cookbook.metadata.should_not be_nil
      cookbook.metadata["name"].should == "app_rails"
      cookbook.repository.tag.should_not be_nil
    end
  end

  context 'given a download repository' do
    before(:each) do
      @download_file = @helper.download_file
    end

    def get_scraper
      @retriever.retrieve
      RightScraper::Scrapers::Base.scraper(:kind            => :cookbook,
                                           :ignorable_paths => @retriever.ignorable_paths,
                                           :repo_dir        => @retriever.repo_dir,
                                           :repository      => @retriever.repository)
    end

    it 'should only return one cookbook' do
      scraper = get_scraper
      scraper.next_resource
      scraper.next_resource.should == nil
    end

    it 'should scrape' do
      scraper = get_scraper
      @helper.check_resource(scraper.next_resource, @download_file, @repo)
    end

    it 'should scrape a gzipped tarball' do
      res, status = exec("gzip -c #{@download_file} > #{@download_file}.gz")
      raise "Failed to gzip tarball: #{res}" unless status.success?
      @repo.url += ".gz"
      scraper = get_scraper
      begin
        @helper.check_resource(scraper.next_resource, @download_file + ".gz", @repo)
      ensure
        File.unlink(@download_file + ".gz")
      end
    end

    it 'should scrape a bzipped tarball' do
      res, status = exec("bzip2 -c #{@download_file} > #{@download_file}.bz2")
      raise "Failed to bzip tarball: #{res}" unless status.success?
      @repo.url += ".bz2"
      scraper = get_scraper
      begin
        @helper.check_resource(scraper.next_resource, @download_file + ".bz2", @repo)
      ensure
        File.unlink(@download_file + ".bz2")
      end
    end
  end
end