Unit tests are failing

Hi all,

I am trying to make few more improvements of CC, but when I run the unit 
tests, there are failures. And I am almost sure that the failures are not 
connected with the changes I have made ...

The first problem is in net.sourceforge.cruisecontrol.sourcecontrols.SVN (full 
log is in ant.out1.txt attachment):

    [junit] Running net.sourceforge.cruisecontrol.sourcecontrols.SVNTest
    [junit] Testsuite: net.sourceforge.cruisecontrol.sourcecontrols.SVNTest
    [junit] Tests run: 21, Failures: 0, Errors: 3, Time elapsed: 0.245 sec
    [junit] Tests run: 21, Failures: 0, Errors: 3, Time elapsed: 0.245 sec
    [junit] 
    [junit] Testcase: 
testSetPropertyIgnoresPriorState(net.sourceforge.cruisecontrol.sourcecontrols.SVNTest):   
Caused an ERROR
    [junit] null
    [junit] java.lang.NullPointerException
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN$SVNInfoXMLParser.parse(SVN.java:671)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN.execInfoCommand(SVN.java:470)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN.fillPropertiesIfNeeded(SVN.java:517)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVNTest.testSetProperty(SVNTest.java:397)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVNTest.testSetPropertyIgnoresPriorState(SVNTest.java:414)
    [junit] 
    [junit] 
    [junit] Testcase: 
testSetProperty(net.sourceforge.cruisecontrol.sourcecontrols.SVNTest):    
Caused an ERROR
    [junit] null
    [junit] java.lang.NullPointerException
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN$SVNInfoXMLParser.parse(SVN.java:671)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN.execInfoCommand(SVN.java:470)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN.fillPropertiesIfNeeded(SVN.java:517)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVNTest.testSetProperty(SVNTest.java:397)
    [junit] 
    [junit] 
    [junit] Testcase: 
testSetPropertyOnDelete(net.sourceforge.cruisecontrol.sourcecontrols.SVNTest):    
Caused an ERROR
    [junit] null
    [junit] java.lang.NullPointerException
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN$SVNInfoXMLParser.parse(SVN.java:671)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN.execInfoCommand(SVN.java:470)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVN.fillPropertiesIfNeeded(SVN.java:517)
    [junit]     at 
net.sourceforge.cruisecontrol.sourcecontrols.SVNTest.testSetPropertyOnDelete(SVNTest.java:425)
    [junit] 
    [junit] 

SVN version is:

svn, version 1.7.7 (r1393599)
   compiled Nov  5 2012, 09:50:39


I have disabled the SVN test temporarily, but another failure happened (log 
attached in in ant.out2.txt):

    [junit] Running 
net.sourceforge.cruisecontrol.util.BuildInformationHelperTest
    [junit] Testsuite: 
net.sourceforge.cruisecontrol.util.BuildInformationHelperTest
    [junit] Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.02 sec
    [junit] Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.02 sec
    [junit] 
    [junit] Testcase: 
testShouldCreateObjectFromXml(net.sourceforge.cruisecontrol.util.BuildInformationHelperTest):     
Caused an ERROR
    [junit] Cannot construct 
net.sourceforge.cruisecontrol.BuildLoopInformation as it does not have a no-
args constructor
    [junit] ---- Debugging information ----
    [junit] message             : Cannot construct 
net.sourceforge.cruisecontrol.BuildLoopInformation as it does not have a no-
args constructor
    [junit] cause-exception     : 
com.thoughtworks.xstream.converters.reflection.ObjectAccessException
    [junit] cause-message       : Cannot construct 
net.sourceforge.cruisecontrol.BuildLoopInformation as it does not have a no-
args constructor
    [junit] class               : 
net.sourceforge.cruisecontrol.BuildLoopInformation
    [junit] required-type       : 
net.sourceforge.cruisecontrol.BuildLoopInformation
    [junit] path                : /buildloop
    [junit] line number         : 1
    [junit] -------------------------------
    [junit] com.thoughtworks.xstream.converters.ConversionException: Cannot 
construct net.sourceforge.cruisecontrol.BuildLoopInformation as it does not 
have a no-args constructor
    [junit] ---- Debugging information ----
    [junit] message             : Cannot construct 
net.sourceforge.cruisecontrol.BuildLoopInformation as it does not have a no-
args constructor
    [junit] cause-exception     : 
com.thoughtworks.xstream.converters.reflection.ObjectAccessException
    [junit] cause-message       : Cannot construct 
net.sourceforge.cruisecontrol.BuildLoopInformation as it does not have a no-
args constructor
    [junit] class               : 
net.sourceforge.cruisecontrol.BuildLoopInformation
    [junit] required-type       : 
net.sourceforge.cruisecontrol.BuildLoopInformation
    [junit] path                : /buildloop
    [junit] line number         : 1
    [junit] -------------------------------
    [junit]     at 
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:63)
    [junit]     at 
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:45)
    [junit]     at 
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:46)
    [junit]     at 
com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:117)
    [junit]     at 
com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.unmarshal(ReferenceByXPathMarshallingStrategy.java:29)
    [junit]     at 
com.thoughtworks.xstream.XStream.unmarshal(XStream.java:846)
    [junit]     at 
com.thoughtworks.xstream.XStream.unmarshal(XStream.java:833)
    [junit]     at com.thoughtworks.xstream.XStream.fromXML(XStream.java:781)
    [junit]     at com.thoughtworks.xstream.XStream.fromXML(XStream.java:773)
    [junit]     at 
net.sourceforge.cruisecontrol.util.BuildInformationHelper.toObject(BuildInformationHelper.java:32)
    [junit]     at 
net.sourceforge.cruisecontrol.util.BuildInformationHelperTest.testShouldCreateObjectFromXml(BuildInformationHelperTest.java:40)
    [junit] Caused by: 
com.thoughtworks.xstream.converters.reflection.ObjectAccessException: Cannot 
construct net.sourceforge.cruisecontrol.BuildLoopInformation as it does not 
have a no-args constructor
    [junit]     at 
com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.newInstance(PureJavaReflectionProvider.java:59)
    [junit]     at 
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.instantiateNewInstance(AbstractReflectionConverter.java:257)
    [junit]     at 
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:124)
    [junit]     at 
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:56)
    [junit] 
 

I did not examined them more, since I don't understand the reason very much. 
Does someone know the reason of it? Can anyone help? I don't want to commit 
anything now, since I am not sure if the whole build will be successful ...

Thank you very much for your help,
Dan T.

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