Re: [tycho-user] Packaging (test) plug-ins as directories (not jar files

[Hugues Malphettes <hmalphettes@xxxxxxxxxxx>]

On Sun, Sep 11, 2011 at 5:10 PM, Christian Soltenborn
<csoltenborn@xxxxxx> wrote:
> Hi,
>
> now that all my tests are up and running for a couple of days, I thought
> that I quickly share the lessons learned (although they might be quite
> specific to my own setup).
>
Thanks a lot Christian for taking the time to write this up.
Much useful and appreciated.
Hugues

> The scenario is that I had an Eclipse workspace from which I could run
> my stuff within a Runtime Workbench, and I could execute my tests with
> "Execute as/JUnit plug-in". However, I never bothered to come up with a
> build, since I didn't have any users (I'm doing academic research).
> Since that started to change, I tried to come up with a build using tycho.
>
> And my tests didn't run for 3 reasons:
> 1. When starting an Eclipse runtime workbench, the plug-ins in your
> workspace do not get packed as a jar. Therefore, files within the
> plug-ins could be accessed by the tests without problems. For, the
> build, however, I had to add the "Eclipse-BundleShape: dir" manifest
> attribute to avoid that, as pointed out by Igor.
> 2. I also needed to add all resources needed to run my tests to the
> build section of the manifest - otherwise, they will not end up in the
> packaged plug-ins.
> 3. Finally, the runtime workbench has access to all plug-ins in my
> development workspace. However, When tycho runs a test, it only makes
> the plug-ins available which are in the dependencies of that test. Since
> my tests needed to access some files within other plug-ins, I had to
> explicitly add these plug-ins to the test's dependencies.
>
> I'm well aware that these "hints" are only workaround for my tests being
> a collection of anti-patterns :-) - however, they might still be useful
> for some folks (or not).
>
> Cheers,
> Christian
>
>
> Am 25.08.2011 13:55, schrieb Igor Fedorenko:
>> Tycho honours "Eclipse-BundleShape: dir" bundle manifest attribute
>>
>> --
>> Regards,
>> Igor
>>
>> On 11-08-25 6:32 AM, Christian Soltenborn wrote:
>>> Hey Alex,
>>>
>>> thanks for your fast hint! However, this would also result in huge
>>> changes to my code base, since my code is relying on java.io.File
>>> objects being passed around... stupidly, I must now say :-) :-(
>>>
>>> Cheers,
>>> Christian
>>>
>>>
>>> Am 25.08.2011 11:50, schrieb Alex Blewitt:
>>>> If you move the files onto the classpath you can then read them with
>>>> class.getResourceAsStream() in both workbench and jars. Note that
>>>> bundle.getEntry doesn't work the same however.
>>>>
>>>> Alex
>>>>
>>>> Sent from my (old) iPhone
>>>>
>>>> On 25 Aug 2011, at 10:17, Christian Soltenborn<csoltenborn@xxxxxx>
>>>> wrote:
>>>>
>>>>> Hi there,
>>>>>
>>>>> first of all: thanks to the tycho team for this great build tool!
>>>>> However, I'm facing a couple of little problems, with which I might be
>>>>> annoying you in the next couple of days.
>>>>>
>>>>> Here's the first one: Up to now, I did not have an automated build (in
>>>>> fact, two students of mine failed to set one up with pre-tycho
>>>>> technology). As such, I have executed my tools within a runtime
>>>>> workbench, which worked fine. I also executed my tests from within my
>>>>> development workbench as Junit Plug-in Tests.
>>>>>
>>>>> Now, the problem is that some of my tests are failing when run by
>>>>> tycho.
>>>>> It seems that the cause is that the test plug-ins contain files to be
>>>>> read by the tests. When I execute them from within the development
>>>>> workbench, this is not an issue, since the files are read from the
>>>>> plug-in's project directories. Tycho, however, packs my test plug-ins
>>>>> into jars (which is perfectly fine as far as I know), causing my tests
>>>>> to fail reading those files.
>>>>>
>>>>> I'm aware that I should rewrite my tests and some parts of my tool's
>>>>> code, but this would result in a huge effort I'm not currently willing
>>>>> to take. So, my question is whether I can make tycho not packaging my
>>>>> tests as jars, but as simple directories, such that the files can still
>>>>> be accessed.
>>>>>
>>>>> Any other suggestion to cope with this problem is of course more than
>>>>> welcome, too.
>>>>>
>>>>> Thanks in advance,
>>>>> Christian
>>>>> _______________________________________________
>>>>> tycho-user mailing list
>>>>> tycho-user@xxxxxxxxxxx
>>>>> https://dev.eclipse.org/mailman/listinfo/tycho-user
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>>>
>>>
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>
>
> --
> Antoine de Saint-Exupery: "Language is the source of misunderstandings."
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