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From "George Harley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-31) Move peformance timing of unit tests into a decorator class.
Date Mon, 16 Jan 2006 21:10:20 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-31?page=all ]

George Harley updated HARMONY-31:
---------------------------------

    Attachment: PerfDecorator.java

The attached file contains source for a type test.foo.utils.PerfDecorator that can be used
to make straightforward timing measurements 
on JUnit test cases as they run. As the code is really only for illustrative purposes I send
the information to stdout. 

Here is an example of how this class could be used to decorate a test suite (apologies in
advance for any formatting 
problems that may occur)...

public static Test suite() {
  TestSuite suite = new TestSuite("My test suites");
  suite.addTestSuite(MyTestSuite.class);
		
  // Wrap the test suite "suite" inside the PerfDecorator...
  PerfDecorator pd = new PerfDecorator(suite);
  return pd;
}




> Move peformance timing of unit tests into a decorator class.
> ------------------------------------------------------------
>
>          Key: HARMONY-31
>          URL: http://issues.apache.org/jira/browse/HARMONY-31
>      Project: Harmony
>         Type: Improvement
>     Reporter: George Harley
>     Assignee: Geir Magnusson Jr
>     Priority: Minor
>  Attachments: PerfDecorator.java
>
> There has been some low-level discussion on the dev mailing list recently about the inclusion
of performance-related logging code near the top of a unit test class inheritance hierarchy
(see com.openintel.drl.security.test.PerformanceTest in the HARMONY-16 contribution). This
particular issue suggests an alternative way of adding in timing code but without making it
the responsibility of the unit tests themselves and without the need to introduce a class
in the inheritance hierarchy. 
> The basic approach is to exploit the junit.extensions.TestDecorator type in the JUnit
API to add in timing behaviour before and after each test method runs. This will be demonstrated
with some simple sample code. 

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