ontohub/spec/hets_helper.rb

	hets_helper.rb revision 2b3afb124e8baffd69f1926aba23a22d770ac78f
# In this file, 'ontology_fixture' is always the path to the ontology file
# relative to Rails.root.join('spec/fixtures/ontologies/')

def hets_vcr_file(subdir, ontology_fixture)
  # Replace last occurence of '.' by '_' in the filepath (VCR convention).
  portions = ontology_fixture.split('.')
  path = portions[0..-2].join('.')
  extension = portions[-1]

  fixture_file(File.join('vcr', 'hets-out', subdir, "#{path}_#{extension}.yml"))
end

def hets_ontology_vcr_file(ontology_fixture)
  hets_vcr_file('dg', ontology_fixture)
end

def hets_proof_vcr_file(ontology_fixture)
  hets_vcr_file('proof', ontology_fixture)
end

def hets_provers_vcr_file(ontology_fixture)
  hets_vcr_file('provers', ontology_fixture)
end


def hets_out_body(subdir, ontology_fixture)
  yaml = YAML.load(File.open(hets_vcr_file(subdir, ontology_fixture)))
  yaml['http_interactions'].first['response']['body']['string']
end

def hets_out_body_ontology(ontology_fixture)
  hets_out_body('dg', ontology_fixture)
end

def hets_out_body_proof(ontology_fixture)
  hets_out_body('proof', ontology_fixture)
end

def hets_out_body_provers(ontology_fixture)
  hets_out_body('provers', ontology_fixture)
end


def parse_ontology_hets_out(user, ontology, io)
  evaluator = Hets::DG::Evaluator.new(user, ontology, io: io)
  evaluator.import
  io.close unless io.closed?
end

def parse_ontology(user, ontology, ontology_fixture)
  io = StringIO.new(hets_out_body_ontology(ontology_fixture))
  parse_ontology_hets_out(user, ontology, io)
end


def setup_hets
  let(:hets_instance) { create(:local_hets_instance) }
  before do
    stub_request(:get, 'http://localhost:8000/version').
      to_return(body: Hets.minimal_version_string)
    hets_instance
  end
end

def stub_hets_for(fixture_file, command: 'dg', with: nil, with_version: nil, method: :get)
  stub_request(:get, 'http://localhost:8000/version').
    to_return(body: Hets.minimal_version_string)
  stub_request(method, hets_uri(command, with, with_version)).
    to_return(body: fixture_file.read)
end

def hets_uri(command = 'dg', portion = nil, version = nil)
  hets_instance = HetsInstance.choose!
rescue HetsInstance::NoRegisteredHetsInstanceError => e
  if hets_instance.nil?
    FactoryGirl.create(:local_hets_instance)
    hets_instance = HetsInstance.choose!
  end
ensure
  specific = ''
  # %2F is percent-encoding for forward slash /
  specific << "ref%2F#{version}.*" if version
  specific << "#{portion}.*" if portion
  return %r{#{hets_instance.uri}/#{command}/.*#{specific}}
end