Add test for #542

lib/gollum/markup.rb

@@ -407,6 +407,12 @@ module Gollum
           presence  = "present"
         end
         link = ::File.join(@wiki.base_path, page ? page.escaped_url_path : CGI.escape(link_name))
+
+        # //page is invalid
+        # strip all duplicate forward slashes using helpers.rb clean_url
+        # //page => /page
+        # link = one_leading_slash link
+
         %{<a class="internal #{presence}" href="#{link}#{extra}">#{name}</a>}
       end
     end

test/test_markup.rb

@@ -55,6 +55,22 @@ context "Markup" do
   #
   #########################################################################
 
+  test "absolute link to non-existant page" do
+    @wiki.write_page("linktest", :markdown, "[[/page]]", commit_details)
+
+    # "<p>a <a class=\"internal absent\" href=\"/Foo\">Foo</a><a class=\"internal absent\" href=\"/Bar\">Bar</a> b</p>"
+    page    = @wiki.page("linktest")
+    doc     = Nokogiri::HTML page.formatted_data
+    paras   = doc / :p
+    para    = paras.first
+    anchors = para / :a
+    assert_equal 1, paras.size
+    assert_equal 1, anchors.size
+    assert_equal 'internal absent', anchors[0]['class']
+    assert_equal '/Page',           anchors[0]['href']
+    assert_equal 'Page',            anchors[0].text
+  end
+
   test "double page links no space" do
     @wiki.write_page("Bilbo Baggins", :markdown, "a [[Foo]][[Bar]] b", commit_details)