Re: Running Mauve tests with JUnit

[David Gilbert <david dot gilbert at object-refinery dot com>]

I didn't get any feedback about this...anyone think it is a good/bad idea?

Regards,

Dave

David Gilbert wrote:

> Hi All,
>
> A while back there was some discussion about converting Mauve tests to 
> run under JUnit.  I did some experimentation and have put together the 
> following patch that shows one approach to making this work.  I 
> created a new JUnitRunnable class which makes it possible to run a 
> Mauve testlet under JUnit (as well as continuing to support the 
> standard Mauve runners).  It requires that the existing testlets be 
> modified to 'extend JUnitRunnable' (or, where this isn't possible, an 
> alternative JUnitWrapper class can be used, see AttributeSetTests.java 
> for an example).  The patch includes conversion of the tests in the 
> javax.swing.text.* package so you can at least try it out - if this 
> patch is approved, I also have done the conversion of all the Swing 
> tests (roughly 25% of Mauve I think).
>
> Here is a link to the patch, it's probably over the size limit for the 
> mailing list (the ChangeLog entry is at the end of this e-mail):
>
> http://www.object-refinery.com/classpath/diff.txt
>
> I'm actually indifferent about whether or not this patch is accepted, 
> I find Mauve slightly easier to work with relative to JUnit for the 
> type of tests we write for GNU Classpath and plan to continue writing 
> tests in the Mauve format.  Anyway, here's the pros and cons that I 
> can think of, please feel free to add to the list:
>
> Pros:
> - JUnit is integrated with Eclipse, so it can be used to run Mauve 
> tests easily for developers that work in Eclipse;
> - most Java developers are familiar with JUnit, so Mauve may reach a 
> wider audience;
> - other tools can work with JUnit (although I haven't used any of them 
> - does anyone know of a JUnit runner that can produce comparisons of 
> two runs? I'm interested in (a) regression reports (e.g. CVS vs last 
> release) and (b) comparison reports (GNU Classpath vs Sun JDK1.5));
>
> Cons:
> - a lot of work to modify the remaining tests in Mauve;
> - one extra step to make Mauve tests that run with both JUnit and 
> Mauve test runners - it's pretty easy, but still a mental step that 
> new contributors to Mauve will have to learn;
> - there is a possibility that some developers will write new tests 
> against JUnit only, so we'll lose the ability to run all tests with 
> the Mauve runners (which I think provide better detail on failures);
>
> Oh, and someone mentioned that the JUnit licence is not GPL 
> compatible, so I compiled the tests against the GPLed code here:
>
> http://cvs.sourceforge.net/viewcvs.py/freenet/Contrib/junit/
>
> I had to add a no-arg constructor for the TestCase class, then the 
> tests compiled OK.  And I can use the SimpleTestRunner to run a single 
> test (this could do with some more work though).
>
> Please comment!
>
> Regards,
>
> Dave
>
> P.S. Here is the ChangeLog entry:
>
> 2006-03-06  David Gilbert  <david.gilbert@object-refinery.com>
>
>    * gnu/testlet/JUnitRunnable.java: New file,
>    * gnu/testlet/JUnitTestHarness.java: Likewise,
>    * gnu/testlet/JUnitTestWrapper.java: Likewise,
>    * gnu/testlet/JUnitWrapper.java: Likewise,
>    * gnu/testlet/javax/swing/text/PackageTestSuite.java: Likewise,
>    * 
> gnu/testlet/javax/swing/text/AbstractDocument/AbstractDocumentTest.java: 
> Now extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/AbstractDocument/AbstractDocumentTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/AbstractDocument/ElementChange.java: 
> Now extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/AbstractDocument/ElementChange2.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/AbstractDocument/BranchElement/BranchElementTest.java: 
> Updated header,
>    * 
> gnu/testlet/javax/swing/text/AbstractDocument/BranchElement/BranchElementTests.java: 
> New file,
>    * 
> gnu/testlet/javax/swing/text/AbstractDocument/BranchElement/getElementIndexNullPointer.java: 
> Now extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/AttributeSet/AttributeSetTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/BoxView/BoxViewTests.java: Likewise,
>    * gnu/testlet/javax/swing/text/BoxView/spans.java: Now extends 
> JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/DefaultEditorKit/DefaultEditorKitTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/DefaultEditorKit/getActions.java: 
> Now extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/DefaultFormatter/DefaultFormatterTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/DefaultFormatter/getValueClass.java: 
> Now extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/DefaultStyledDocument/DefaultStyledDocumentTests.java: 
> New file,
>    * 
> gnu/testlet/javax/swing/text/DefaultStyledDocument/insertString.java: 
> Now extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/DefaultStyledDocument/ElementBuffer/ElementBufferTests.java: 
> New file,
>    * 
> gnu/testlet/javax/swing/text/DefaultStyledDocument/ElementBuffer/insert.java: 
> Now extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/ElementIterator/ElementIteratorTest.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/ElementIterator/ElementIteratorTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/FlowView/FlowViewTests.java: New file,
>    * gnu/testlet/javax/swing/text/FlowView/getFlowAxis.java: Now 
> extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/GapContent/GapContentTest.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/GapContent/GapContentTests.java: New 
> file,
>    * gnu/testlet/javax/swing/text/GapContent/PositionTest.java: Now 
> extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/GapContent/constructors.java: Likewise,
>    * gnu/testlet/javax/swing/text/GapContent/createPosition.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/GapContent/getChars.java: Likewise,
>    * gnu/testlet/javax/swing/text/GapContent/getString.java: Likewise,
>    * gnu/testlet/javax/swing/text/GapContent/insertString.java: Likewise,
>    * gnu/testlet/javax/swing/text/GapContent/length.java: Likewise,
>    * gnu/testlet/javax/swing/text/GapContent/remove.java: Likewise,
>    * 
> gnu/testlet/javax/swing/text/InternationalFormatter/InternationalFormatterTest.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/InternationalFormatter/InternationalFormatterTests.java: 
> New file,
>    * 
> gnu/testlet/javax/swing/text/MaskFormatter/MaskFormatterTest.java: Now 
> extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/MaskFormatter/MaskFormatterTests.java: 
> New file,
>    * 
> gnu/testlet/javax/swing/text/PlainDocument/PlainDocumentTest.java: Now 
> extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/PlainDocument/PlainDocumentTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/PlainDocument/createPosition.java: 
> Now extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/PlainDocument/getLength.java: Likewise,
>    * gnu/testlet/javax/swing/text/PlainDocument/getRootElements.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/PlainDocument/getText.java: Likewise,
>    * gnu/testlet/javax/swing/text/PlainDocument/insertString.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/PlainDocument/multipleLeafs.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/PlainDocument/remove.java: Likewise,
>    * 
> gnu/testlet/javax/swing/text/PlainDocument/removeJoinesLines.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/Segment/SegmentTests.java: New file,
>    * gnu/testlet/javax/swing/text/Segment/clone.java: Now extends 
> JUnitRunnable,
>    * gnu/testlet/javax/swing/text/Segment/constructors.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/first.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/getBeginIndex.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/getEndIndex.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/getIndex.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/isPartialReturn.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/last.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/next.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/previous.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/setIndex.java: Likewise,
>    * gnu/testlet/javax/swing/text/Segment/setPartialReturn.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/Segment/toString(), Likewise,
>    * 
> gnu/testlet/javax/swing/text/SimpleAttributeSet/SimpleAttributeSetTests.java: 
> New file,
>    * 
> gnu/testlet/javax/swing/text/StringContent/BadLocationExceptionTest.java: 
> Now extends JUnitRunnable,
>    * 
> gnu/testlet/javax/swing/text/StringContent/StringContentTest.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/StringContent/StringContentTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/StringContent/constructors.java: Now 
> extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/StringContent/createPosition.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StringContent/getChars.java: Likewise,
>    * gnu/testlet/javax/swing/text/StringContent/getString.java: Likewise,
>    * gnu/testlet/javax/swing/text/StringContent/insertString.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StringContent/insertUndo.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StringContent/length.java: Likewise,
>    * gnu/testlet/javax/swing/text/StringContent/remove.java: Likewise,
>    * gnu/testlet/javax/swing/text/StringContent/removeUndo.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StringContent/stickyPosition.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/StyleConstants/StyleConstantsTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/StyleConstants/constants.java: Now 
> extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/StyleConstants/getAlignment.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getBackground.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getBidiLevel.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getComponent.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/StyleConstants/getFirstLineIndent.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getFontFamily.java: 
> Liekwise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getFontSize.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getForeground.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getIcon.java: Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getLeftIndent.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getLineSpacing.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getRightIndent.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getSpaceAbove.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getSpaceBelow.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/getTabSet.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/isBold.java: Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/isItalic.java: Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/isStrikeThrough.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/isSubscript.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/isSuperscript.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/isUnderline.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setAlignment.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setBackground.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setBidiLevel.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setBold.java: Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setComponent.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/StyleConstants/setFirstLineIndent.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setFontFamily.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setFontSize.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setForeground.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setIcon.java: Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setItalic.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setLeftIndent.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setLineSpacing.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setRightIndent.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setSpaceAbove.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setSpaceBelow.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/StyleConstants/setStrikeThrough.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setSubscript.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setSuperscript.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setTabSet.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleConstants/setUnderline.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleContext/NamedStyleInit.java: 
> Likewise,
>    * 
> gnu/testlet/javax/swing/text/StyleContext/NamedStyleSetResolveParent.java: 
> Likewise,
>    * gnu/testlet/javax/swing/text/StyleContext/StyleContextTests.java: 
> New file,
>    * gnu/testlet/javax/swing/text/StyleContext/addAttribute.java: Now 
> extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/StyleContext/addStyle.java: Likewise,
>    * 
> gnu/testlet/javax/swing/text/StyledEditorKit/StyledEditorKitTests.java: 
> New file,
>    * 
> gnu/testlet/javax/swing/text/StyledEditorKit/createInputAttributesTest.java: 
> Now extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/TextAction/TextActionTests.java: New 
> file,
>    * gnu/testlet/javax/swing/text/TextAction/augmentList.java: Now 
> extends JUnitRunnable,
>    * gnu/testlet/javax/swing/text/View/ViewTests.java: New file,
>    * gnu/testlet/javax/swing/text/View/getAlignment.java: Now extends 
> JUnitRunnable,
>    * gnu/testlet/javax/swing/text/View/getMaximumSpan.java: Likewise,
>    * gnu/testlet/javax/swing/text/View/getMinimumSpan.java: Likewise,
>    * gnu/testlet/javax/swing/text/View/getResizeWeight.java: Likewise.