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comp.lang.ruby

How can I organize my project in the best way?

Christoffer Lernö

4/22/2008 10:45:00 AM

I'm writing a server for a networked game using ruby, but I keep
running into issues when organizing them.

Basically I have a structure looking a bit like this:

lib/
testclient/
gamemodel/
gamecommands/
server/
utils/
test/
gamemodel/
gamecommands/
server/
utils/


The problem is the paths for the requires.

For a test in say test/gamemodel, I need to require something
like ../../lib/gamemodel/<file>
But when running the same test from some test_all.rb in /test, the
correct require is of course ../lib/gamemodel/<file>
(The natural way would have been to simply write require <file>)

It is possible to fix this problem by appending to the load path, but
this means rows of duplicate code in every test file.

The problem naturally extends to the lib where you also have to decide
where the code supposedly is run from.

Any suggestions on neat ways of solving this problem or are there
perhaps packages available to make this work automatically?


/Christoffer
5 Answers

Trans

4/22/2008 11:10:00 AM

0



On Apr 22, 6:45 am, Christoffer Lern=F6 <le...@dragonascendant.com>
wrote:
> I'm writing a server for a networked game using ruby, but I keep
> running into issues when organizing them.
>
> Basically I have a structure looking a bit like this:
>
> lib/
> testclient/
> gamemodel/
> gamecommands/
> server/
> utils/
> test/
> gamemodel/
> gamecommands/
> server/
> utils/
>
> The problem is the paths for the requires.
>
> For a test in say test/gamemodel, I need to require something
> like ../../lib/gamemodel/<file>
> But when running the same test from some test_all.rb in /test, the
> correct require is of course ../lib/gamemodel/<file>
> (The natural way would have been to simply write require <file>)
>
> It is possible to fix this problem by appending to the load path, but
> this means rows of duplicate code in every test file.
>
> The problem naturally extends to the lib where you also have to decide
> where the code supposedly is run from.
>
> Any suggestions on neat ways of solving this problem or are there
> perhaps packages available to make this work automatically?
>
> /Christoffer

Hi Christoffer,

When testing your lib you should only need to add lib/ to the load
path once. For instance you might do:

ruby -Ilib test/sometest.rb

T.

Christoffer Lernö

4/22/2008 11:55:00 AM

0

> Hi Christoffer,
>
> When testing your lib you should only need to add lib/ to the load
> path once. For instance you might do:
>
> ruby -Ilib test/sometest.rb

Yes, but if the test is in

test/client/tc_connect.rb

then I might need to require

test/test_common.rb
lib/client/connect.rb

Again I need to add these libs differently depending on where I start
my test.


/Christoffer

Trans

4/22/2008 12:46:00 PM

0


On Apr 22, 7:55 am, Christoffer Lern=F6 <le...@dragonascendant.com>
wrote:
> > Hi Christoffer,
>
> > When testing your lib you should only need to add lib/ to the load
> > path once. For instance you might do:
>
> > ruby -Ilib test/sometest.rb
>
> Yes, but if the test is in
>
> test/client/tc_connect.rb
>
> then I might need to require
>
> test/test_common.rb

You can add test/ to the load path as well if you need too.

> lib/client/connect.rb

This should always be:

require 'client/connect'

> Again I need to add these libs differently depending on where I start
> my test.

Easiest is to always start from your projects root. Using Rake, for
instance, makes that automatic. But as an example of manually running
a test from within the test location:

$ cd test/client
$ ruby -I../../lib;../../test tc_connect.rb

T.

Christoffer Lernö

4/23/2008 5:03:00 AM

0

On 22 Apr 2008, at 14:46, Trans wrote:

> On Apr 22, 7:55 am, Christoffer Lern=F6 <le...@dragonascendant.com>
> wrote:
>>> Hi Christoffer,
>>
>>> When testing your lib you should only need to add lib/ to the load
>>> path once. For instance you might do:
>>
>>> ruby -Ilib test/sometest.rb
>>
>> Yes, but if the test is in
>>
>> test/client/tc_connect.rb
>>
>> then I might need to require
>>
>> test/test_common.rb
>
> You can add test/ to the load path as well if you need too.

So what you're saying is basically to add everything to the load path =20=

and then run with that?

/Christoffer=

fedzor

4/25/2008 2:47:00 AM

0

check out the "need" gem! makes these things simple.


On Apr 22, 2008, at 6:45 AM, Christoffer Lern=F6 wrote:
> I'm writing a server for a networked game using ruby, but I keep =20
> running into issues when organizing them.
>
> Basically I have a structure looking a bit like this:
>
> lib/
> testclient/
> gamemodel/
> gamecommands/
> server/
> utils/
> test/
> gamemodel/
> gamecommands/
> server/
> utils/
>
>
> The problem is the paths for the requires.
>
> For a test in say test/gamemodel, I need to require something =20
> like ../../lib/gamemodel/<file>
> But when running the same test from some test_all.rb in /test, the =20
> correct require is of course ../lib/gamemodel/<file>
> (The natural way would have been to simply write require <file>)
>
> It is possible to fix this problem by appending to the load path, =20
> but this means rows of duplicate code in every test file.
>
> The problem naturally extends to the lib where you also have to =20
> decide where the code supposedly is run from.
>
> Any suggestions on neat ways of solving this problem or are there =20
> perhaps packages available to make this work automatically?
>
>
> /Christoffer
>
>
>

~ Ira Rizdal

Go hang a salami, I'm a lasagna hog