Re: "src/java" or "src/main/java" ?

[Michal Maczka]

Jason van Zyl wrote:

On Thu, 2003-10-30 at 06:22, Michal Maczka wrote:
 

Peter Donald wrote:

   

On Thu, 30 Oct 2003 01:05 pm, Ben Walding wrote:

     

The rationale is this:

If you have src/java and src/test, then where do you put resources for
testing?
eg: src/resources, src/test-resources
  

       

One school of thought suggests that no test should NEVER require resources 
external to the TestCase. You can always use Mock objects or manually 
construct pre-conditions for test, run the test and then test the output. 

External resources for unit tests are only required if there is badly written 
code or badly written tests. While I previously used to litter my unit tests 
with other resources I now think it is a really bad idea. Can you give an 
example where there is a good reason to have resources associated with unit 
tests?

     

There  is  a lot of examples of such unit tests.
E.g. I18N service which reads messages from XML files. To test it you 
need to provide few XML files
and to place them somewhere. Mock object are not really helpful here.
   

I think what Peter is saying, in the example above, is that you might
create a String with test XML bits in it. Then use a StringReader to
process the XML. 

 

I know this is doable - but in case of some encodings/national 
characters can be very painful...

Some application might need configuration files - e.g. configuration of 
logging mechanism (specially log4j needs it).
   

Here I think he might argue for using a simple Properties object instead
of a properties file.
 

And what about  ... maven :)  and  "fake" local and remote repositories?

I think that preparation of test data is often simpler when done  in 
e.g. XML then in Java
In one of my last application we were testing complex data validators 
and we had approximetly 100 XML test files.

I am also for

src/main/java
and
src/test/java
Imagine we will have test code written in python or ... groovy

it seems to be more natural: to have (subjective opinion)
src/test
        java
        jython
        groovy
       

then

src/test
   /test-jython
   /test-groovy


Note that it is also questionable what for we need : src/main/resources

I rather use structure:
src/main/java
            schema (db schema)
            conf
            antlr
            castor
            javacc
            webapp
         
in place of:

src/main/java
           /resources
                db-schema
                 conf
          /webapp


Michal



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