The schema for this file used to be somewhere in the web (I've found it
some time ago when I needed it). However, it's probably more important to
be compatible with most consumers (e.g. all/most CI servers).

I think we should be very careful changing the format of the junit xml
reports (e.g. test out integrations with other CIs, etc).

I think it would be very useful if Gradle supported output per test.

Cheers!


On Fri, Apr 19, 2013 at 2:33 PM, Luke Daley <luke.da...@gradleware.com>wrote:

> Hi all,
>
> In the “JUnit XML” file that we currently produce we do not associate
> output (std, err) with individual test cases, but with the suite (in
> practice: class) as a whole. This is causing problems in integrating with
> https://wiki.jenkins-ci.org/display/JENKINS/JUnit+Attachments+Plugin.
>
> Given:
>
> package junit;
>
> import org.junit.Test;
> import org.junit.runner.RunWith;
> import org.junit.runners.JUnit4;
>
> @RunWith(JUnit4.class)
> public class TheTest {
>
>     @Test
>     public void t() {
>         System.out.println("foo");
>     }
>
> }
>
> We generate XML like:
>
> <?xml version="1.1" encoding="UTF-8"?>
> <testsuite name="junit.TheTest" tests="1" failures="0" errors="0"
> timestamp="1970-01-01T00:00:00" hostname="hasdrubal.local"
> time="1.366372749405E9">
>   <properties/>
>   <testcase name="t" classname="junit.TheTest" time="0.001"/>
>   <system-out><![CDATA[foo
> ]]></system-out>
>   <system-err><![CDATA[]]></system-err>
> </testsuite>
>
> After digging through the Jenkins code for how it parses these files, I
> discovered that it supports:
>
> <?xml version="1.1" encoding="UTF-8"?>
> <testsuite name="junit.TheTest" tests="1" failures="0" errors="0"
> timestamp="1970-01-01T00:00:00" hostname="hasdrubal.local"
> time="1.366372749405E9">
>   <properties/>
>   <testcase name="t" classname="junit.TheTest" time="0.001">
>     <system-out><![CDATA[foo
> ]]></system-out>
>     <system-err><![CDATA[]]></system-err>
>   </testcase>
> </testsuite>
>
> That is, you can associate output with an individual testcase.
>
> I did some experiments with Maven to see what it does. Maven doesn't
> record any stdio information in the XML file usually; it puts text files on
> the side. However, I happened upon a case where it does. If you try and
> execute a non public class you get:
>
> <?xml version="1.0" encoding="UTF-8" ?>
> <testsuite failures="0" time="0.006" errors="2" skipped="0" tests="2"
> name="junit.TheTest">
>
>   <testcase time="0.002" classname="junit.TheTest"
> name="initializationError">
>     <error message="Test class should have exactly one public constructor"
> type="java.lang.Exception">java.lang.Exception: Test class should have
> exactly one public constructor
>         at
> org.junit.runners.BlockJUnit4ClassRunner.validateOnlyOneConstructor(BlockJUnit4ClassRunner.java:131)
>         …
> </error>
>     <system-out>@SLTests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time
> elapsed: 0.033 sec
> @SLRunning junit.TheTest
> </system-out>
>   </testcase>
>   <testcase time="0.001" classname="junit.TheTest"
> name="initializationError">
>     <error message="Class junit.TheTest should be public"
> type="java.lang.Exception">java.lang.Exception: Class junit.TheTest should
> be public
>         at
> org.junit.runners.model.FrameworkMethod.validatePublicVoid(FrameworkMethod.java:87)
>         …
> </error>
>   </testcase>
> </testsuite>
>
> The <system-out> elements are nested under <testcase> there. So it seems
> there is some precedent for this.
>
>
> I have some incentive to at least get this working for a client in
> Jenkins. Where "get it working" would be to have the <system-out> nested
> under <testcase> so it can do the correct association.
>
> I have no idea who else supports this format though. It's hard to predict
> given that there is no schema for this XML file.
>
> --
> Luke Daley
> Principal Engineer, Gradleware
> http://gradleware.com
>
> Join me at the Gradle Summit 2013, June 13th and 14th in Santa Clara, CA:
> http://www.gradlesummit.com
>
>
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>
>


-- 
Szczepan Faber
Principal engineer@gradleware; Lead@mockito
Join me at the Gradle Summit 2013, June 13th and 14th in Santa Clara, CA:
http://www.gradlesummit.com

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