Re: [tycho-user] Passing environment variable to tests

["Sievers, Jan" <jan.sievers@xxxxxxx>]

IIRC all environment variables are passed to the forked VM anyway [1],
so you could simply remove the whole
<environmentVariables> configuration block and it should work regardless of this NPE.

Regards
Jan

[1] https://eclipse.org/tycho/sitedocs/tycho-surefire/tycho-surefire-plugin/test-mojo.html#environmentVariables 


> -----Original Message-----
> From: tycho-user-bounces@xxxxxxxxxxx [mailto:tycho-user-bounces@xxxxxxxxxxx]
> On Behalf Of Julien HENRY
> Sent: Mittwoch, 5. August 2015 13:38
> To: Tycho User List
> Subject: [tycho-user] Passing environment variable to tests
> 
> Hi guys,
> 
> I'm trying to make a system (optional) env variable visible to tests in
> Tycho:
>       <plugin>
>           <groupId>org.eclipse.tycho</groupId>
>           <artifactId>tycho-surefire-plugin</artifactId>
>           <version>0.23.0</version>
>           <configuration>
>             <environmentVariables>
>               <TRAVIS>${env.TRAVIS}</TRAVIS>
>             </environmentVariables>
>           </configuration>
>         </plugin>
> 
> It works when the variable is set on the host. But when the variable is not
> set it fails with:
> Caused by: java.lang.NullPointerException
>         at
> org.apache.commons.exec.environment.EnvironmentUtils.toStrings(EnvironmentUti
> ls.java:66)
>         at
> org.apache.commons.exec.launcher.Java13CommandLauncher.exec(Java13CommandLaun
> cher.java:56)
>         at
> org.apache.commons.exec.DefaultExecutor.launch(DefaultExecutor.java:277)
>         at
> org.apache.commons.exec.DefaultExecutor.executeInternal(DefaultExecutor.java:
> 334)
>         at
> org.apache.commons.exec.DefaultExecutor.execute(DefaultExecutor.java:164)
>         at
> org.eclipse.sisu.equinox.launching.internal.DefaultEquinoxLauncher.execute(De
> faultEquinoxLauncher.java:68)
>         at org.eclipse.tycho.surefire.TestMojo.runTest(TestMojo.java:910)
> 
> 
> I have found the ticket https://bugs.eclipse.org/bugs/show_bug.cgi?id=470621
> that is fixed in 0.23.0 so I guess it was only a fix for empty variable. Here
> I want to support "unset" variable.
> 
> FYI in my tests there is something like:
> if (System.getenv("TRAVIS") != null) {
>   // Do something specific to travis}
> 
> Any help is appreciated.
> 
> Thanks
> 
> Julien
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