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https://issues.apache.org/jira/browse/STREAMS-178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14139082#comment-14139082
 ] 

ASF GitHub Bot commented on STREAMS-178:
----------------------------------------

Github user sieverssj commented on a diff in the pull request:

    https://github.com/apache/incubator-streams/pull/90#discussion_r17735841
  
    --- Diff: 
streams-contrib/streams-processor-urls/src/test/java/org/apache/streams/urls/TestLinkUnwinderProcessor.java
 ---
    @@ -76,8 +76,8 @@ public void testActivityLinkUnwinderProcessorGoDaddy() 
throws Exception{
     
         @Test
         public void testActivityLinkUnwinderProcessorMulti() throws Exception{
    -        testActivityUnwinderHelper(Lists.newArrayList("http://x.co/3yapt";, 
"http://ow.ly/u4Kte";, "http://goo.gl/wSrHDA";), 
Lists.newArrayList("http://www.wcgworld.com/";, "http://www.wcgworld.com/";, 
"http://www.wcgworld.com/";));
    -        
testStringActivityUnwinderHelper(Lists.newArrayList("http://x.co/3yapt";, 
"http://ow.ly/u4Kte";, "http://goo.gl/wSrHDA";), 
Lists.newArrayList("http://www.wcgworld.com/";, "http://www.wcgworld.com/";, 
"http://www.wcgworld.com/";));
    +        testActivityUnwinderHelper(Lists.newArrayList("http://x.co/3yapt";, 
"http://ow.ly/u4Kte";, "http://goo.gl/wSrHDA";), 
Lists.newArrayList("http://www.wcgworld.com/";));//, "http://www.wcgworld.com/";, 
"http://www.wcgworld.com/";));
    --- End diff --
    
    Small nit: Get rid of the commented out code on the end of these lines.
    
    Assuming that happens, :+1:


> LinkResolverProcessor should return a set of unwound links
> ----------------------------------------------------------
>
>                 Key: STREAMS-178
>                 URL: https://issues.apache.org/jira/browse/STREAMS-178
>             Project: Streams
>          Issue Type: Bug
>            Reporter: Robert Douglas
>
> The LinkResolverProcessor currently returns unwound links in a List. This is 
> problematic because in the event that more than one of the shortened links 
> results in the same unwound link, we end up with a list of duplicates. To 
> mediate this issue, the LinkResolverProcessor's unwind function should return 
> a Set of unwound links, guaranteeing that they are all unique.



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