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ftk_item_assembler_spec.rb
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ftk_item_assembler_spec.rb
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require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
require File.join(File.dirname(__FILE__), "/../../lib/ftk_file")
require File.join(File.dirname(__FILE__), "/../../lib/ftk_processor")
require File.join(File.dirname(__FILE__), "/../../lib/ftk_item_assembler")
require File.join(File.dirname(__FILE__), "/../../app/models/hypatia_ftk_item")
require 'rubygems'
require 'ruby-debug'
require 'factory_girl'
require 'tempfile'
require File.join(File.dirname(__FILE__), "/../fixtures/ftk/factories/ftk_files.rb")
describe FtkItemAssembler do
context "basic behavior" do
before(:all) do
delete_fixture("hypatia:fixture_xanadu_collection")
import_fixture("hypatia:fixture_xanadu_collection")
@fedora_config = File.join(File.dirname(__FILE__), "/../../config/fedora.yml")
@ftk_report = File.join(File.dirname(__FILE__), "/../fixtures/ftk/Gould_FTK_Report.xml")
@file_dir = File.join(File.dirname(__FILE__), "/../fixtures/ftk/files")
@display_derivative_dir = File.join(File.dirname(__FILE__), "/../fixtures/ftk/display_derivatives")
end
after(:all) do
delete_fixture("hypatia:fixture_xanadu_collection")
end
it "can instantiate" do
hfo = FtkItemAssembler.new
hfo.class.should eql(FtkItemAssembler)
end
it "takes a fedora config file as an argument" do
hfo = FtkItemAssembler.new(:fedora_config => @fedora_config)
hfo.fedora_config.should eql(@fedora_config)
end
it "sets the pid of the collection object these items belong to" do
hfo = FtkItemAssembler.new
hfo.collection_pid = "hypatia:fixture_coll"
hfo.collection_pid.should eql("hypatia:fixture_coll")
end
it "gets the name of the collection it belongs to" do
hfo = FtkItemAssembler.new(:collection_pid => "hypatia:fixture_xanadu_collection")
hfo.collection_name.should eql("Keith Henson. Papers relating to Project Xanadu, XOC and Eric Drexler")
end
it "processes an FTK report" do
hfo = FtkItemAssembler.new(:fedora_config => @fedora_config)
hfo.expects(:create_hypatia_item).at_least(56).returns(nil)
hfo.process(@ftk_report,@file_dir,@display_derivative_dir)
hfo.ftk_report.should eql(@ftk_report)
hfo.file_dir.should eql(@file_dir)
hfo.display_derivative_dir.should eql(@display_derivative_dir)
end
end
context "creating datastreams" do
before(:all) do
delete_fixture("hypatia:fixture_xanadu_collection")
import_fixture("hypatia:fixture_xanadu_collection")
@ff = FactoryGirl.build(:ftk_file)
@fedora_config = File.join(File.dirname(__FILE__), "/../../config/fedora.yml")
@hfo = FtkItemAssembler.new(:fedora_config => @fedora_config, :collection_pid => "hypatia:fixture_xanadu_collection")
end
after(:all) do
delete_fixture("hypatia:fixture_xanadu_collection")
end
it "creates a descMetadata file" do
doc = Nokogiri::XML(@hfo.buildDescMetadata(@ff))
@hfo.collection_name.should eql("Keith Henson. Papers relating to Project Xanadu, XOC and Eric Drexler")
doc.xpath("/mods:mods/mods:titleInfo/mods:title/text()").to_s.should eql(@ff.filename)
doc.xpath("/mods:mods/mods:relatedItem[@displayLabel='Appears in']/mods:titleInfo/mods:title/text()").to_s.should eql(@ff.title)
doc.xpath("/mods:mods/mods:location/text()").to_s.should eql("Keith Henson. Papers relating to Project Xanadu, XOC and Eric Drexler - CM5551212 (Punch Cards)")
doc.xpath("/mods:mods/mods:location/mods:physicalLocation[@type='disk']/text()").to_s.should eql(@ff.disk_image_number)
doc.xpath("/mods:mods/mods:location/mods:physicalLocation[@type='filepath']/text()").to_s.should eql(@ff.filepath)
doc.xpath("/mods:mods/mods:originInfo/mods:dateCreated/text()").to_s.should eql(@ff.file_creation_date)
doc.xpath("/mods:mods/mods:originInfo/mods:dateOther[@type='last_accessed']/text()").to_s.should eql(@ff.file_accessed_date)
doc.xpath("/mods:mods/mods:originInfo/mods:dateOther[@type='last_modified']/text()").to_s.should eql(@ff.file_modified_date)
doc.xpath("/mods:mods/mods:typeOfResource/text()").to_s.should eql(@ff.type)
doc.xpath("/mods:mods/mods:physicalDescription/mods:form/text()").to_s.should eql(@ff.medium)
end
it "creates a contentMetadata file" do
doc = Nokogiri::XML(@hfo.buildContentMetadata(@ff,"fake_pid","fake_object_id"))
doc.xpath("/contentMetadata/@type").to_s.should eql("born-digital")
doc.xpath("/contentMetadata/@objectId").to_s.should eql("fake_pid")
doc.xpath("/contentMetadata/resource/@type").to_s.should eql("analysis")
doc.xpath("/contentMetadata/resource/file/@id").to_s.should eql(@ff.filename)
doc.xpath("/contentMetadata/resource/file/@objectId").to_s.should_not eql("fake_object_id")
doc.xpath("/contentMetadata/resource/file/@format").to_s.should eql(@ff.filetype)
doc.xpath("/contentMetadata/resource/file/location/@type").to_s.should eql("filesystem")
doc.xpath("/contentMetadata/resource/file/location/text()").to_s.should eql(@ff.export_path)
doc.xpath("/contentMetadata/resource/file/checksum[@type='md5']/text()").to_s.should eql(@ff.md5)
doc.xpath("/contentMetadata/resource/file/checksum[@type='sha1']/text()").to_s.should eql(@ff.sha1)
end
it "creates a rightsMetdata file" do
doc = Nokogiri::XML(@hfo.buildRightsMetadata(@ff))
doc.xpath("/xmlns:rightsMetadata/xmlns:access[@type='discover']/xmlns:machine/xmlns:group/text()").to_s.should eql(@ff.access_rights.downcase)
doc.xpath("/xmlns:rightsMetadata/xmlns:access[@type='read']/xmlns:machine/xmlns:group/text()").to_s.should eql(@ff.access_rights.downcase)
end
it "creates a RELS-EXT datastream" do
doc = Nokogiri::XML(@hfo.buildRelsExt(@ff))
doc.xpath("/rdf:RDF/rdf:Description/hydra:isGovernedBy/@rdf:resource").to_s.should eql("info:fedora/hypatia:fixture_xanadu_apo")
end
end
context "creating fedora objects" do
before(:all) do
@disk_object = build_fixture_disk_object
@ff = FactoryGirl.build(:ftk_file)
@fia = FtkItemAssembler.new(:collection_pid => "hypatia:fixture_coll")
@ftk_report = File.join(File.dirname(__FILE__), "/../fixtures/ftk/Gould_FTK_Report.xml")
@file_dir = File.join(File.dirname(__FILE__), "/../fixtures/ftk")
@display_derivative_dir = File.join(File.dirname(__FILE__), "/../fixtures/ftk/display_derivatives")
@fia.file_dir = @file_dir
@fia.display_derivative_dir = @display_derivative_dir
@hi = @fia.create_hypatia_item(@ff)
@hi.save
end
after(:all) do
@disk_object.parts.first.delete
@disk_object.delete
@hi.parts.first.delete
@hi.delete
end
it "accepts an FtkFile as an argument and returns a HypatiaItem object" do
@hi.should be_instance_of(HypatiaFtkItem)
end
it "includes all the expected metadata datastreams" do
['contentMetadata','descMetadata','rightsMetadata','DC','RELS-EXT'].each do |datastream_name|
@hi.datastreams[datastream_name].should_not eql(nil)
end
end
it "has a file object with an isPartOf relationship" do
@hi.inbound_relationships[:is_part_of].length.should eql(1)
end
it "has an isMemberOf relationship with a disk object" do
@hi.relationships[:self][:is_member_of].first.gsub("info:fedora/",'').should eql(@disk_object.pid)
end
it "has an isMemberOfCollection relationship with a collection object" do
@hi.relationships[:self][:is_member_of_collection].first.gsub("info:fedora/",'').should eql("hypatia:fixture_coll")
end
it "has a FileAsset part" do
@hi.parts.first.should be_instance_of(FileAsset)
end
# This is the binary file for an FTK object
# It needs a better test at some point
it "has a member object with a file payload" do
@hi.parts.first.datastreams['content'].content.should_not eql(nil)
end
it "has a member object with an html payload" do
@hi.parts.first.datastreams['derivative_html'].content.should_not eql(nil)
end
end
context "creating bags" do
before(:all) do
@ff = FactoryGirl.build(:ftk_file)
@ftk_report = File.join(File.dirname(__FILE__), "/../fixtures/ftk/Gould_FTK_Report.xml")
@file_dir = File.join(File.dirname(__FILE__), "/../fixtures/ftk/")
end
it "knows where to put bags it creates" do
Dir.mktmpdir {|dir|
hfo = FtkItemAssembler.new(:bag_destination => dir)
hfo.bag_destination.should eql(dir)
}
end
it "throws an exception if you try to create a bag without telling it where the payload files are" do
Dir.mktmpdir { |dir|
hfo = FtkItemAssembler.new(:bag_destination => dir)
lambda { hfo.create_bag(@ff) }.should raise_exception
}
end
it "creates a bagit package for an ftk object" do
Dir.mktmpdir {|dir|
# dir = Dir.mktmpdir
# puts "\n\n<br><br>dir = #{dir}<br><br>\n\n"
hfo = FtkItemAssembler.new(:bag_destination => dir)
hfo.file_dir = @file_dir
bag = hfo.create_bag(@ff)
File.file?(File.join(dir,@ff.unique_combo,"/data/contentMetadata.xml")).should eql(true)
File.file?(File.join(dir,@ff.unique_combo,"/data/descMetadata.xml")).should eql(true)
File.file?(File.join(dir,@ff.unique_combo,"/data/RELS-EXT.xml")).should eql(true)
File.file?(File.join(dir,@ff.unique_combo,"/data/rightsMetadata.xml")).should eql(true)
File.file?(File.join(dir,@ff.unique_combo,"/data/#{@ff.destination_file}")).should eql(true)
bag.valid?.should eql(true)
}
end
end
end
# Create a HypatiaDiskImageItem from the data in the FtkDiskImage fixture
# @return [FtkDiskImageItem]
def build_fixture_disk_object
clean_fixture_disk_objects
fdi = FactoryGirl.build(:ftk_disk_image)
@disk_image_files_dir = File.join(File.dirname(__FILE__), "/../fixtures/ftk/disk_images")
@computer_media_photos_dir = File.join(File.dirname(__FILE__), "/../fixtures/ftk/computer_media_photos")
@foo = FtkDiskImageItemAssembler.new(:disk_image_files_dir => @disk_image_files_dir, :computer_media_photos_dir => @computer_media_photos_dir)
@disk_object = @foo.build_object(fdi)
return @disk_object
end
# Tying a file object to a disk object relies on having only one solr document
# that matches a given disk number. Ensure we remove all instances of the disk object
# fixture before running any test that requires disk to file linking.
def clean_fixture_disk_objects
fdi = FactoryGirl.build(:ftk_disk_image)
solr_params={}
solr_params[:q]="file_id_t:#{fdi.disk_number}"
solr_params[:qt]='standard'
solr_params[:fl]='id'
solr_response = Blacklight.solr.find(solr_params)
solr_response.docs.each do |doc|
ActiveFedora::Base.load_instance(doc[:id]).delete
end
end