# Copyright: Copyright 2009 Topic Maps Lab, University of Leipzig.
# License:   Apache License, Version 2.0

require File.dirname(__FILE__) + '/../../../spec_helper'

module RTM::Navigation::Topic
  
  describe "characteristics" do
    before(:each) do
      @tm = get_used_tm_sys_tm
      @topic = @tm.get!("Person")
    end
    after(:each) do
      @tm.close
    end
    
    describe "#characteristics" do
      it "should give back an empty set if nothing matches" do
        topic = @tm.create_topic_by("Uni_Leipzig")
        topic.characteristics.size.should == 0
        occ1 = topic.create_occurrence("Gruendungsjahr", "1409")
        topic.characteristics("super_Gruendungsjahr").size.should == 0
        topic.characteristics("super_Gruendungsjahr").include?(occ1).should be_false
      end
      it "should give back the values of the Names and Occurrences included in Characteristics" do
        topic = @tm.create_topic_by("Uni_Leipzig")
        name1 = topic.create_name("Universität Leipzig")
        name2 = topic.create_name("University of Leipzig")
        occ1 = topic.create_occurrence("Gruendungsjahr", "1409")
        occ2 = topic.create_occurrence("Webseite", "http://www.topicmapslab.de")
        topic.characteristics.size.should == 4
        topic.characteristics.should include name1, name2, occ1, occ2
      end
      
      it "should give back  Names and Occurrences of the subtype of the given argument" do
        topic = @tm.create_topic_by("Uni_Leipzig")
        name1 = topic.create_name("a_type","Universität Leipzig")
        @tm.get("a_type").add_supertype("a_super_type")
        topic.names.size.should == 1
        topic.names.first.type.should == @tm.get("a_type")
        topic.names.first.type.supertypes.size.should == 1  
        topic.names.first.type.supertypes.first.should == @tm.get("a_super_type") 
        topic.characteristics("a_super_type").size.should == 1
        topic.characteristics("a_super_type").include?(name1).should be_true
        occ1 = topic.create_occurrence("Gruendungsjahr", "1409")
        @tm.get("Gruendungsjahr").add_supertype("super_Gruendungsjahr")
        topic.characteristics("super_Gruendungsjahr").size.should == 1
        topic.characteristics("super_Gruendungsjahr").include?(occ1).should be_true
      end
      
    end #of describe "#characteristics"
    
  end #of describe "characteristics"
  
end #of module