[jira] [Resolved] (LUCENE-6411) Add AssertingSpans

["Robert Muir (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-6411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir resolved LUCENE-6411.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 5.2
                   Trunk

I added an initial AssertingSpanQuery and tied it into span search equivalence tests. It makes it easy to find bugs in two-phase iteration and stuff like that (necessary to really debug them at all). 

Maybe we can improve it and use it in other places, but for now its a start.

> Add AssertingSpans
> ------------------
>
>                 Key: LUCENE-6411
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6411
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>             Fix For: Trunk, 5.2
>
>
> Currently Spans needed a lot of asserts in every Spans to make it possibly to debug things. If you miss a single assert, bugs are hidden or not narrowed down the problematic Spans class. 
> Instead I think it would be better if we made a test-framework/AssertingSpansQuery that wrapped another SpanQuery and added all the checks. We could use it to really improve the debuggability and coverage of tests.



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