Have we looked at the previous ant build to see what it did?

On Jun 14, 2012, at 7:14 AM, Paulo Pires wrote:

> 
> 
> On 14/06/12 15:04, Ali Lown wrote:
>>>>> Is anyone against having an instance of Mongo DB instantiated and
>>>>> destroyed when tests are run? I'm already assuming the developer doesn't
>>>>> need to have Mongo DB already installed, as well.
>>>> How much of an overhead is that going to add to the running of the
>>>> tests? Inutition suggests that instantiating a DB is going to be a
>>>> pretty heavy job...
>>> It will only take 30 seconds or a little less/more (depending on your
>>> internet connection) to download the Mongo distribution for your
>>> OS/arch. After that, database population, tests and shutdown take around
>>> 15 seconds (Core 2 Duo 2.4 GHz, 4GB DDR2, SSD disk).
>> That sounds reasonable for testing. (Though I don't think fetching
>> outside of distro-specific package managers is a good idea. An error
>> saying please install MongoDB from your distro's package repository
>> before running these tests would be ok.)
> 
> It's not going to install Mongo. It's just going to extract it to a
> local directory and use it. When the test JVM finishes, the instance
> will be shutdown.
> 
> If you ever delete that local directory, then it will download again and
> so on.
> 
>> 
>>> Btw, just to clarify, I have only one Mongo DB instance for all tests
>>> and not an instance per test.
>> Can you be sure of full isolation if you setup one instance and then
>> run each test? You would need to revert all changes at the end of each
>> test before you could run the next...
> This *should* be enforced by each test and not the tools we're using,
> being it Mongo or any other.
> 
> And this has been done before, since every test already implements the
> following:
> 
>  @Override
>  protected void tearDown() throws Exception {
>    super.tearDown();
>    database.dropDatabase();
>  }
> 
> -- 
> Paulo Pires
> 

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