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From Michael Busch <>
Subject Re: [jira] Updated: (LUCENE-721) Code coverage reports
Date Tue, 28 Nov 2006 19:12:27 GMT
Chris Hostetter wrote:
> : Here it is, Grant. This new patch uses Clover to generate code coverage
> : reports. Simply add clover.jar to the ant classpath, do a "clean" and
> : run the target "test". During compiling Clover will automatically
> : instrument all classes under src/java.
> haven't had a chance to look at the patch, but i have two questions baout
> this:
> 1) is there any way to explicitly disable the instumentation (ie: with a
> system property set in the, or on the command line) in
> case people get into a situation where they are suspicious of hte
> instrumentation and what to run the test without it?
Good point, I can easily add a property to switch on/off 
instrumentation. Currently it's always enabled if clover.jar can be 
found in the classpath.

> 2) what is the beahvior of the report generatation after a test failure?
> DOes Clover know baout Ant failures?  would the report reflect the fact
> that the tests failed in it's summary info?
No, clover has no information about failed tests. It shows the recorded 
coverage since the last compile/instrumentation and if some tests failed 
the coverage will probably be lower. We could show information about 
failed tests in the title of the code coverage report. But I will read a 
bit more in the clover manual to figure out if there are other 
possibilities to show those information.

- Michael

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