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path: root/test/rss/rss-assertions.rb
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module Test
  module Unit
    module Assertions
      # For backward compatibility
      unless instance_methods.include?("assert_raise")
        def assert_raise(*args, &block)
          assert_raises(*args, &block)
        end
      end
    end
  end
end

module RSS
  module Assertions
    
    def assert_parse(rss, assert_method, *args)
      send("assert_#{assert_method}", *args) do
        ::RSS::Parser.parse(rss)
      end
      send("assert_#{assert_method}", *args) do
        ::RSS::Parser.parse(rss, false).validate
      end
    end
    
    def assert_ns(prefix, uri)
      _wrap_assertion do
        begin
          yield
          flunk("Not raise NSError")
        rescue ::RSS::NSError => e
          assert_equal(prefix, e.prefix)
          assert_equal(uri, e.uri)
        end
      end
    end
    
    def assert_missing_tag(tag, parent)
      _wrap_assertion do
        begin
          yield
          flunk("Not raise MissingTagError")
        rescue ::RSS::MissingTagError => e
          assert_equal(tag, e.tag)
          assert_equal(parent, e.parent)
        end
      end
    end
    
    def assert_too_much_tag(tag, parent)
      _wrap_assertion do
        begin
          yield
          flunk("Not raise TooMuchTagError")
        rescue ::RSS::TooMuchTagError => e
          assert_equal(tag, e.tag)
          assert_equal(parent, e.parent)
        end
      end
    end
    
    def assert_missing_attribute(tag, attrname)
      _wrap_assertion do
        begin
          yield
          flunk("Not raise MissingAttributeError")
        rescue ::RSS::MissingAttributeError => e
          assert_equal(tag, e.tag)
          assert_equal(attrname, e.attribute)
        end
      end
    end
    
    def assert_not_excepted_tag(tag, parent)
      _wrap_assertion do
        begin
          yield
          flunk("Not raise NotExceptedTagError")
        rescue ::RSS::NotExceptedTagError => e
          assert_equal(tag, e.tag)
          assert_equal(parent, e.parent)
        end
      end
    end
    
    def assert_not_available_value(tag, value)
      _wrap_assertion do
        begin
          yield
          flunk("Not raise NotAvailableValueError")
        rescue ::RSS::NotAvailableValueError => e
          assert_equal(tag, e.tag)
          assert_equal(value, e.value)
        end
      end
    end
    
    def assert_xml_stylesheet_attrs(xsl, attrs)
      _wrap_assertion do
        normalized_attrs = {}
        attrs.each do |name, value|
          normalized_attrs[name.to_s] = value
        end
        ::RSS::XMLStyleSheet::ATTRIBUTES.each do |name|
          assert_equal(normalized_attrs[name], xsl.send(name))
        end
      end
    end
    
    def assert_xml_stylesheet(target, xsl, attrs)
      _wrap_assertion do
        if attrs.has_key?(:href)
          if !attrs.has_key?(:type) and attrs.has_key?(:guess_type)
            attrs[:type] = attrs[:guess_type]
          end
          assert_equal("xml-stylesheet", target)
          assert_xml_stylesheet_attrs(xsl, attrs)
        else
          assert_nil(target)
          assert_equal("", xsl.to_s)
        end
      end
    end
    
    def assert_xml_stylesheet_pis(attrs_ary)
      rdf = ::RSS::RDF.new()
      xss_strs = []
      attrs_ary.each do |attrs|
        xss = ::RSS::XMLStyleSheet.new(*attrs)
        xss_strs.push(xss.to_s)
        rdf.xml_stylesheets.push(xss)
      end
      pi_str = rdf.to_s.gsub(/<\?xml .*\n/, "").gsub(/\s*<rdf:RDF.*\z/m, "")
      assert_equal(xss_strs.join("\n"), pi_str)
    end

    def assert_dublin_core(elems, target)
      elems.each do |name, value|
        assert_equal(value, target.__send__("dc_#{name}"))
      end
    end
    
    def assert_syndication(elems, target)
      elems.each do |name, value|
        assert_equal(value, target.__send__("sy_#{name}"))
      end
    end
    
    def assert_content(elems, target)
      elems.each do |name, value|
        assert_equal(value, target.__send__("content_#{name}"))
      end
    end
    
    def assert_trackback(elems, target)
      elems.each do |name, value|
        assert_equal(value, target.__send__("trackback_#{name}"))
      end
    end
    
  end
end