require 'test/unit'
require 'rexml/document'

module REXMLTests
  class TestDocTypeAccessor < Test::Unit::TestCase

    def setup
      @sysid = "urn:x-test:sysid1"
      @notid1 = "urn:x-test:notation1"
      @notid2 = "urn:x-test:notation2"
      document_string1 = <<-"XMLEND"
      <!DOCTYPE r SYSTEM "#{@sysid}" [
        <!NOTATION n1 SYSTEM "#{@notid1}">
        <!NOTATION n2 SYSTEM "#{@notid2}">
      ]>
      <r/>
      XMLEND
      @doctype1 = REXML::Document.new(document_string1).doctype

      @pubid = "TEST_ID"
      document_string2 = <<-"XMLEND"
      <!DOCTYPE r PUBLIC "#{@pubid}">
      <r/>
      XMLEND
      @doctype2 = REXML::Document.new(document_string2).doctype

      document_string3 = <<-"XMLEND"
      <!DOCTYPE r PUBLIC "#{@pubid}" "#{@sysid}">
      <r/>
      XMLEND
      @doctype3 = REXML::Document.new(document_string3).doctype

    end

    def test_public
      assert_equal(nil, @doctype1.public)
      assert_equal(@pubid, @doctype2.public)
      assert_equal(@pubid, @doctype3.public)
    end

    def test_system
      assert_equal(@sysid, @doctype1.system)
      assert_equal(nil, @doctype2.system)
      assert_equal(@sysid, @doctype3.system)
    end

    def test_notation
      assert_equal(@notid1, @doctype1.notation("n1").system)
      assert_equal(@notid2, @doctype1.notation("n2").system)
    end

    def test_notations
      notations = @doctype1.notations
      assert_equal(2, notations.length)
      assert_equal(@notid1, find_notation(notations, "n1").system)
      assert_equal(@notid2, find_notation(notations, "n2").system)
    end

    def find_notation(notations, name)
      notations.find { |notation|
        name == notation.name
      }
    end

  end

  class TestNotationDeclPublic < Test::Unit::TestCase
    def setup
      @name = "vrml"
      @id = "VRML 1.0"
      @uri = "http://www.web3d.org/"
    end

    def test_to_s
      assert_equal("<!NOTATION #{@name} PUBLIC \"#{@id}\">",
                   decl(@id, nil).to_s)
    end

    def test_to_s_with_uri
      assert_equal("<!NOTATION #{@name} PUBLIC \"#{@id}\" \"#{@uri}\">",
                   decl(@id, @uri).to_s)
    end

    private
    def decl(id, uri)
      REXML::NotationDecl.new(@name, "PUBLIC", id, uri)
    end
  end

  class TestNotationDeclSystem < Test::Unit::TestCase
    def setup
      @name = "gif"
      @id = "gif viewer"
    end

    def test_to_s
      assert_equal("<!NOTATION #{@name} SYSTEM \"#{@id}\">",
                   decl(@id).to_s)
    end

    private
    def decl(id)
      REXML::NotationDecl.new(@name, "SYSTEM", id, nil)
    end
  end
end