require 'spec_helper'

# Don't run the tests if activerecord-import isn't installed.
# The 0.3.1 version doesn't work with rails 4, so suppress these tests
describe LocalAuthority do
  before(:all) do
    @tsv = [fixture_path + '/cities15000.tsv']
    @nt = [fixture_path + '/genreForms.nt']
    @rdfxml = [fixture_path + '/lexvo.rdf']
    LocalAuthority.count.should == 0
    LocalAuthorityEntry.count.should == 0
  end
  after(:each) do
    LocalAuthorityEntry.all.each(&:destroy)
    DomainTerm.all.each do |term|
      term.local_authorities.each do |auth|
        auth.destroy
      end
      term.destroy
    end
  end
  it "should harvest an ntriples RDF vocab" do
    LocalAuthority.harvest_rdf("genres", @nt)
    LocalAuthority.count.should == 1
    LocalAuthorityEntry.count.should == 6
  end
  it "should harvest an RDF/XML vocab (w/ an alt predicate)" do
    LocalAuthority.harvest_rdf("langs", @rdfxml, 
                               format: 'rdfxml',
                               predicate: RDF::URI("http://www.w3.org/2008/05/skos#prefLabel"))
    LocalAuthority.count.should == 1
    LocalAuthorityEntry.count.should == 35
  end
  it "should harvest TSV vocabs" do
    LocalAuthority.harvest_tsv("geo", @tsv, prefix: 'http://sws.geonames.org/')
    LocalAuthority.count.should == 1
    auth = LocalAuthority.where(name: "geo").first
    expect(LocalAuthorityEntry.where(local_authority_id: auth.id).first.uri).to start_with('http://sws.geonames.org/')
    LocalAuthorityEntry.count.should == 149
  end
  describe "when vocabs are harvested" do
    before(:all) do
      class MyTestRdfDatastream; end
      LocalAuthority.harvest_rdf("genres", @nt)
      LocalAuthority.harvest_tsv("geo", @tsv, prefix: 'http://sws.geonames.org/')
      DomainTerm.count.should == 0
      @num_auths = LocalAuthority.count
      @num_entries = LocalAuthorityEntry.count
    end
    after(:all) do
      DomainTerm.all.each(&:delete)
      LocalAuthority.all.each(&:delete)
      LocalAuthorityEntry.all.each(&:delete)
      Object.send(:remove_const, :MyTestRdfDatastream)
    end
    it "should not harvest an RDF vocab twice" do
      LocalAuthority.harvest_rdf("genres", @nt)
      LocalAuthority.count.should == @num_auths
      LocalAuthorityEntry.count.should == @num_entries
    end
    it "should not harvest a TSV vocab twice" do
      LocalAuthority.harvest_tsv("geo", @tsv, prefix: 'http://sws.geonames.org/')
      LocalAuthority.count.should == @num_auths
      LocalAuthorityEntry.count.should == @num_entries
    end
    it "should register a vocab" do
      LocalAuthority.register_vocabulary(MyTestRdfDatastream, "geographic", "geo")
      DomainTerm.count.should == 1
    end
    describe "when vocabs are registered" do
      before(:all) do
        LocalAuthority.harvest_rdf("genres", @nt)
        LocalAuthority.harvest_tsv("geo", @tsv, prefix: 'http://sws.geonames.org/')
        class TestRdfDatastream; end
        LocalAuthority.register_vocabulary(MyTestRdfDatastream, "geographic", "geo")
        LocalAuthority.register_vocabulary(MyTestRdfDatastream, "genre", "genres")
        DomainTerm.count.should == 2
      end
      after(:all) do
        DomainTerm.all.each(&:delete)
        LocalAuthority.all.each(&:delete)
        LocalAuthorityEntry.all.each(&:delete)
      end
      it "should return nil for empty queries" do
        LocalAuthority.entries_by_term("my_test", "geographic", "").should be_nil
      end
      it "should return an empty array for unregistered models" do
        LocalAuthority.entries_by_term("my_foobar", "geographic", "E").should == []
      end
      it "should return an empty array for unregistered terms" do
        LocalAuthority.entries_by_term("my_test", "foobar", "E").should == []
      end
      it "should return entries by term" do
        term = DomainTerm.where(model: "my_tests", term: "genre").first
        authorities = term.local_authorities.collect(&:id).uniq
        hits = LocalAuthorityEntry.where("local_authority_id in (?)", authorities).where("label like ?", "A%").select("label, uri").limit(25)
        LocalAuthority.entries_by_term("my_tests", "genre", "A").count.should == 6
      end
    end
  end
end