* lib/rss: supported Image module.

http://web.resource.org/rss/1.0/modules/image/


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7876 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rss/test_image.rb

@@ -0,0 +1,165 @@
+require "cgi"
+require "rexml/document"
+
+require "rss-testcase"
+
+require "rss/1.0"
+require "rss/image"
+
+module RSS
+  class TestImage < TestCase
+
+    def setup
+      @prefix = "image"
+      @uri = "http://web.resource.org/rss/1.0/modules/image/"
+
+      @favicon_attrs = {
+        "rdf:about" => "http://www.kuro5hin.org/favicon.ico",
+        "#{@prefix}:size" => "small",
+      }
+      @favicon_contents = {"dc:title" => "Kuro5hin",}
+      @items = [
+        [
+          {
+            "rdf:about" => "http://www.example.org/item.png",
+            "rdf:resource" => "http://www.example.org/item",
+          },
+          {
+            "dc:title" => "Example Image",
+            "#{@prefix}:width" => 100,
+            "#{@prefix}:height" => 65,
+          },
+        ],
+        [
+          {
+            "rdf:about" => "http://www.kuro5hin.org/images/topics/culture.jpg",
+          },
+          {
+            "dc:title" => "Culture",
+            "#{@prefix}:width" => 80,
+            "#{@prefix}:height" => 50,
+          },
+        ]
+      ]
+
+
+      @channel_nodes = make_element("#{@prefix}:favicon",
+                                    @favicon_attrs,
+                                    @favicon_contents)
+      items = ""
+      @items.each do |attrs, contents|
+        image_item = make_element("#{@prefix}:item", attrs, contents)
+        items << make_item(image_item)
+      end
+
+      ns = {
+        @prefix => @uri,
+        DC_PREFIX => DC_URI,
+      }
+      @rss_source = make_RDF(<<-EOR, ns)
+#{make_channel(@channel_nodes)}
+#{make_image}
+#{items}
+#{make_textinput}
+EOR
+
+      @rss = Parser.parse(@rss_source)
+    end
+  
+    def test_parser
+      assert_nothing_raised do
+        Parser.parse(@rss_source)
+      end
+    
+      assert_too_much_tag("favicon", "channel") do
+        Parser.parse(make_RDF(<<-EOR, {@prefix => @uri}))
+#{make_channel(@channel_nodes * 2)}
+#{make_item}
+EOR
+      end
+    end
+  
+    def test_favicon_accessor
+      favicon = @rss.channel.image_favicon
+      [
+        %w(about rdf:about http://example.com/favicon.ico),
+        %w(size image:size large),
+        %w(image_size image:size medium),
+      ].each do |name, full_name, new_value|
+        assert_equal(@favicon_attrs[full_name], favicon.send(name))
+        favicon.send("#{name}=", new_value)
+        assert_equal(new_value, favicon.send(name))
+        favicon.send("#{name}=", @favicon_attrs[full_name])
+        assert_equal(@favicon_attrs[full_name], favicon.send(name))
+      end
+
+      [
+        %w(dc_title dc:title sample-favicon),
+      ].each do |name, full_name, new_value|
+        assert_equal(@favicon_contents[full_name], favicon.send(name))
+        favicon.send("#{name}=", new_value)
+        assert_equal(new_value, favicon.send(name))
+        favicon.send("#{name}=", @favicon_contents[full_name])
+        assert_equal(@favicon_contents[full_name], favicon.send(name))
+      end
+    end
+
+    def test_item_accessor
+      @rss.items.each_with_index do |item, i|
+        image_item = item.image_item
+        attrs, contents = @items[i]
+        [
+          %w(about rdf:about http://example.com/image.png),
+          %w(resource rdf:resource http://example.com/),
+        ].each do |name, full_name, new_value|
+          assert_equal(attrs[full_name], image_item.send(name))
+          image_item.send("#{name}=", new_value)
+          assert_equal(new_value, image_item.send(name))
+          image_item.send("#{name}=", attrs[full_name])
+          assert_equal(attrs[full_name], image_item.send(name))
+        end
+        
+        [
+          ["width", "image:width", 111],
+          ["image_width", "image:width", 44],
+          ["height", "image:height", 222],
+          ["image_height", "image:height", 88],
+          ["dc_title", "dc:title", "sample-image"],
+        ].each do |name, full_name, new_value|
+          assert_equal(contents[full_name], image_item.send(name))
+          image_item.send("#{name}=", new_value)
+          assert_equal(new_value, image_item.send(name))
+          image_item.send("#{name}=", contents[full_name])
+          assert_equal(contents[full_name], image_item.send(name))
+        end
+      end
+    end
+
+    def test_favicon_to_s
+      favicon = @rss.channel.image_favicon
+      expected = REXML::Document.new(make_element("#{@prefix}:favicon",
+                                                  @favicon_attrs,
+                                                  @favicon_contents))
+      actual = REXML::Document.new(favicon.to_s(false, ""))
+      assert_equal(expected.to_s, actual.to_s)
+    end
+
+    def test_item_to_s
+      @rss.items.each_with_index do |item, i|
+        attrs, contents = @items[i]
+        expected_s = make_element("#{@prefix}:item", attrs, contents)
+        expected = REXML::Document.new(expected_s)
+        actual = REXML::Document.new(item.image_item.to_s(false, ""))
+
+        assert_equal(expected[0].attributes, actual[0].attributes)
+        
+        %w(image:height image:width dc:title).each do |name|
+          actual_target = actual.elements["//#{name}"]
+          expected_target = expected.elements["//#{name}"]
+          assert_equal(expected_target.to_s, actual_target.to_s)
+        end
+      end
+    end
+
+  end
+end