Parallel execution of unittests

[Bruno Medeiros via Digitalmars-d]

On 01/05/2014 08:18, Dicebot wrote:
> On Wednesday, 30 April 2014 at 21:49:06 UTC, Jonathan M Davis via
> Digitalmars-d wrote:
>> On Wed, 30 Apr 2014 21:09:14 +0100
>> Russel Winder via Digitalmars-d <digitalmars-d at puremagic.com> wrote:
>>
>>> On Wed, 2014-04-30 at 11:19 -0700, Jonathan M Davis via Digitalmars-d
>>> wrote:
>>> > unittest blocks just like any other unit test. I would very > much
>>> > consider std.file's tests to be unit tests. But even if you > don't
>>> > want to call them unit tests, because they access the file > system,
>>> > the reality of the matter is that tests like them are going > to be
>>> > run in unittest blocks, and we have to take that into > account when
>>> > we decide how we want unittest blocks to be run (e.g. whether
>>> > they're parallelizable or not).
>>>
>>> In which case D is wrong to allow them in the unittest blocks and
>>> should introduce a new way of handling these tests. And even then all
>>> tests can and should be parallelized. If they cannot be then there is
>>> an inappropriate dependency.
>>
>> Why? Because Andrei suddenly proposed that we parallelize unittest
>> blocks? If I want to test a function, I'm going to put a unittest block
>> after it to test it. If that means accessing I/O, then it means
>> accessing I/O. If that means messing with mutable, global variables,
>> then that means messing with mutable, global variables. Why should I
>> have to put the tests elsewhere or make is that they don't run whenthe
>> -unttest flag is used just because they don't fall under your definition
>> of "unit" test?
>
> You do this because unit tests must be fast. You do this because unit
> tests must be naively parallel. You do this because unit tests verify
> basic application / library sanity and expected to be quickly run after
> every build in deterministic way (contrary to full test suite which can
> take hours).
>

See http://forum.dlang.org/post/lkb0jm$vp8$1@digitalmars.com.
(basically, do we want to support only Unit tests, or Integration tests 
also?)

-- 
Bruno Medeiros
https://twitter.com/brunodomedeiros