require 'spec_helper'

describe SingleUseLink do
  before (:all) do
    GenericFile.any_instance.stubs(:terms_of_service).returns('1')
    @file = GenericFile.new
    @file.add_file_datastream(File.new(Rails.root + 'spec/fixtures/world.png'), :dsid=>'content')
    @file.apply_depositor_metadata('mjg36')
    @file.save
  end
  after (:all) do
    SingleUseLink.find(:all).each{ |l| l.delete}
    @file.delete
  end
  
  describe "create" do
     before do
        @now = DateTime.now
        DateTime.stubs(:now).returns(@now)
        @hash = "sha2hash"+@now.to_f.to_s
        Digest::SHA2.expects(:new).returns(@hash)
        
     end
     it "should create show link" do
        su = SingleUseLink.create_show( @file.pid)
        su.downloadKey.should == @hash
        su.itemId.should == @file.pid
        su.path.should == Rails.application.routes.url_helpers.generic_file_path(@file.pid)
        su.delete
     end 
     it "should create show download link" do
        su = SingleUseLink.create_download( @file.pid)
        su.downloadKey.should == @hash
        su.itemId.should == @file.pid
        su.path.should == Rails.application.routes.url_helpers.download_path(@file.pid)        
        su.delete
     end 
  end
  describe "find" do
     describe "not expired" do
       before do
          @su = SingleUseLink.create(downloadKey:'sha2hashb', itemId:@file.pid, path:Rails.application.routes.url_helpers.download_path(@file.noid), expires:DateTime.now.advance(:hours => 1))
       end
       after do
          @su.delete
       end
       it "should retrieve link" do
          link = SingleUseLink.where(downloadKey:'sha2hashb').first
          link.itemId.should == @file.pid
       end 
       it "should retrieve link with find_by" do
          link = SingleUseLink.find_by_downloadKey('sha2hashb')
          link.itemId.should == @file.pid
       end 
       it "should expire link" do
          link = SingleUseLink.where(downloadKey:'sha2hashb').first
          link.expired?.should == false        
       end 
     end
     describe "expired" do
       before do
          @su = SingleUseLink.create(downloadKey:'sha2hashb', itemId:@file.pid, path:Rails.application.routes.url_helpers.download_path(@file.noid), expires:DateTime.now.advance(:hours => -1))
       end
       after do
          @su.delete
       end
       it "should expire link" do
          link = SingleUseLink.where(downloadKey:'sha2hashb').first
          link.expired?.should == true        
       end
     end 
  end
end