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/*
* @(#)SubTestTestCase.java
*
* Copyright (C) 2002-2003 Matt Albrecht
* groboclown@users.sourceforge.net
* http://groboutils.sourceforge.net
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package net.sourceforge.groboutils.junit.v1;
import org.apache.log4j.Logger;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestResult;
import java.util.Hashtable;
import java.util.Vector;
import java.util.Enumeration;
/**
* A TestCase which enables tests to run a subset of tests from an active
* test. Examples would include running unit tests associated with an
* object returned from a creation method called on the class under test.
* <P>
* Note that added sub-tests should be new Test instances, not the same test.
* This is because these sub-tests will run after the registered instance
* has <tt>tearDown()</tt> called on it.
*
* @author Matt Albrecht <a href="mailto:groboclown@users.sourceforge.net">groboclown@users.sourceforge.net</a>
* @version $Date: 2003/02/10 22:52:19 $
* @since July 26, 2002
*/
public class SubTestTestCase extends TestCase
{
private static final Logger LOG = Logger.getLogger( SubTestTestCase.class );
private Hashtable perThreadTestList = new Hashtable();
/**
* Creates a new test case with the given name. This allows for JUnit
* 3.7 compatibility.
*/
public SubTestTestCase( String name )
{
super( name );
}
/**
* Default constructor that uses the JUnit 3.8 version of <tt>setName()</tt>
* for setting the test's name.
*
* @since December 28, 2002
*/
public SubTestTestCase()
{
// do nothing
}
/**
* Allows for execution of the given test instance from inside another
* test. This will use the current test's TestResult, or if there
* is no current <tt>TestResult</tt>, it will create a new one for the
* test. Note that the list of tests will be run at the end of the current
* test, after the <tt>tearDown()</tt> method has been called. This is for
* legacy TestListener support.
*
* @param test the test object to add as a sub-test.
*/
public void addSubTest( Test test )
{
// Since the vector will be pulled from a hashtable that stores the
// vectors on a per thread basis, there is no chance that the same
// vector will be requested from two different threads at the same time.
// Hence, no need for synchronization.
if (test != null)
{
Thread t = Thread.currentThread();
Vector v = (Vector)this.perThreadTestList.get( t );
if (v != null)
{
LOG.debug( "Adding test ["+test+"] to test ["+getName()+
"]" );
v.addElement( test );
}
else
{
LOG.warn( "Attemted to add test ["+test+"] to test ["+
getName()+"] without calling the run() method." );
}
}
else
{
LOG.warn( "Attempted to add null test to test ["+getName()+"]" );
}
}
/**
* Runs the test case and collects the results in TestResult.
*/
public void run(TestResult result)
{
// Note: it is 'bad form' for the test to store the result. It is
// also very bad to store the result for the purpose of running the
// requested sub-test when asked, as this will cause a recursive-
// style event in the result listeners, which some listeners may
// not support. Therefore, the tests are loaded into a list, and
// executed at the end of the test run. Note that this causes the
// added tests to run after the tearDown method.
Thread t = Thread.currentThread();
Vector list = (Vector)this.perThreadTestList.get( t );
// shouldn't be re-entrant!
// but we'll allow it, however the tests added in this run will
// only be executed at the end of the recursive run calls.
if (list == null)
{
this.perThreadTestList.put( t, new Vector() );
}
super.run( result );
// if this method is not a reentrant method...
if (list == null)
{
// run all the added tests
list = (Vector)this.perThreadTestList.get( t );
if (list != null)
{
LOG.debug( "run method now executing all added tests (count="+
list.size()+"); current ran test count = "+
result.runCount() );
Enumeration enum = list.elements();
while (enum.hasMoreElements())
{
Test test = (Test)enum.nextElement();
LOG.debug( "running test ["+test+"] from test ["+
getName()+"]" );
test.run( result );
LOG.debug( "run over for test ["+test+
"] from test ["+getName()+
"]; current ran test count = "+result.runCount() );
}
// now remove the list from the hashtable, for future
// reentrancy
this.perThreadTestList.remove( t );
}
}
else
{
LOG.debug(
"run method was re-entered. Ignoring added tests for now." );
}
}
}
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