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From Brett Porter <br...@apache.org>
Subject Re: platform independence for the build
Date Mon, 17 Dec 2007 05:38:21 GMT
Thanks for the thorough explanation.

Pardon my density, but I'm missing something fundamental - how will  
NMaven work in any of the cases below at runtime, without a settings  
file and capability matching, given that you are saying the IT test  
might need some special handling to specify the implementation?

- Brett

On 17/12/2007, at 9:58 AM, Shane Isbell wrote:

> Hi Brett,
>
> The trunk integration tests are set up the same way as Maven and my
> intention for the first release was just to test out the latest  
> version of
> Mono using .NET 2.0, as well as Microsoft 2.0. This would involve just
> changing the environment on a limited number of configurations. Just  
> to
> note, a simple changing out of the path will not completely work on  
> all
> configurations, as Mono contains csc.exe (for .NET 1.1) and gmcs.exe  
> (for
> .NET 2.0).  Microsoft, on the other hand, has the versions in  
> different
> directories, which makes swapping out the paths easier. But you have  
> to keep
> in mind that for Microsoft .NET 3.0, the framework uses the same  
> compiler as
> .NET 2.0, but a different one for 1.1 and 3.5. Configurations can  
> get a
> little funky.
>
> If we were only dealing with Mono or only Microsoft, I would be much  
> more
> confident that would could pull off doing the IT setup exactly the  
> same as
> Maven for all the needed configurations. I'm hoping that this is the  
> case.
> However, it's a little premature for me to have a good idea of how the
> integration tests will work under multiple platforms now that we  
> don't have
> capability matching.  Right now we have options of creating scripts  
> setting
> up the paths, with modifications for each permutation of  
> installations.
> Another approach is something like the nmaven-settings file, which  
> contains
> the parameters and lets some component handle the paths. One thing  
> that I do
> like about a settings approach is that, on Windows, we can  
> autogenerate the
> settings file by inspecting the registry, meaning we only test what  
> the
> platform is capable of testing. We'll need to open up that to design  
> and
> comments when we get to that point.
>
> If anyone on the list wants to take up on how IT testing should be  
> done, go
> for it. The issue: http://jira.codehaus.org/browse/NMAVEN-14 has  
> been out
> there a long time.
>
> As part of the IT testing, we will need to create a .NET assembly  
> (or find a
> way to do it through Java) that handles the inspection of meta-data  
> within
> the project assembly. This is the only way to verify things like  
> resource
> generation, signing of assemblies, proper dependencies/references,  
> and so
> on. We may even be able to write this under the verifier.
>
> We haven't yet addressed within the compiler interface implementation
> the specifying of framework version for Mono, so I have even less of  
> an idea
> of exactly how it will work with the IT tests.
>
> Shane
>
>
>
> On Dec 16, 2007 1:32 PM, Brett Porter <brett@apache.org> wrote:
>
>>
>> On 17/12/2007, at 8:19 AM, Shane Isbell wrote:
>>
>>> I agree on all the points. Can you post a bug about what is  
>>> breaking?
>>
>> Will do.
>>
>>> This was the original motivation for the nmaven-settings file. It
>>> allowed
>>> changing the platform configuration to replace vendors, vendor
>>> versions and
>>> framework versions. I think that the general nmaven-settings file
>>> concept is
>>> the right approach for integration testing, it should just be used  
>>> for
>>> integration tests and should be non-obstrusive. This will likely
>>> require
>>> adding some component extensions that will allow modifying of the
>>> working
>>> directory of executables. This approach would avoid having to bring
>>> in all
>>> the capability matching components to support it.
>>
>> At this stage I would be happy with the integration tests just  
>> running
>> under whatever the current execution environment is, like the normal
>> NMaven execution would do. This is basically what the Maven ones do
>> for now, based on the version of Maven in the path. You then switched
>> your execution environment and re-run the test suite. Some tests are
>> excluded on environments they are not suitable for. The integration
>> test tools that are used for Maven should be able to be re-used in
>> NMaven.
>>
>> Beyond that, I would just use whatever the toolchain capabilities are
>> in Maven at the time to go towards the next step rather than adding
>> anything specific for it in either NMaven or the integration tests.
>>
>> Is that in line with what you were thinking?
>>
>> - Brett
>>


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