Andrew Arrow wrote:
[...]
>> Depending on what you're changing, you may well want to restart Rails 
>> each time to ensure that it's loading current code.
> 
> That's what I'm trying to avoid.  That's what the load and reload! 
> commands are hopefully doing.

I'll have to check on this, but I don't think that reload! reloads the 
whole environment -- which is probably why you don't get the 10-second 
wait.  You need to reload the environment to ensure that the code you're 
testing is in a consistent state; otherwise, you might make changes to 
your environment files that break your code, but you'd never know it.

> 
>> Well, you may not be getting good test isolation -- there's the 
>> potential for old test runs to influence new ones.  And it's more work 
> 
> I'm only running 1 test in the above example, "test_example1".  And I 
> instantiate a new ExampleTest each time.  How could this lead to and old 
> test influencing a new one?

If your old test has side effects (such as DB operations!) that are not 
cleaned up, then it will influence the new test.  It's not just about 
instantiating a new test object: to get good isolation you basically 
have to have a pristine environment and DB, which is why autotest does 
what it does.

I agree that reloading the environment can sometimes ve a bit slow.  But 
you've got to do it if you want reliable tests.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
[email protected]
-- 
Posted via http://www.ruby-forum.com/.

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