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Message from discussion Loading/unloading classes/files in tests
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Xavier Noria  
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 More options Nov 13 2012, 3:01 am
From: Xavier Noria <f...@hashref.com>
Date: Tue, 13 Nov 2012 09:00:33 +0100
Local: Tues, Nov 13 2012 3:00 am
Subject: Re: [Rails-core] Loading/unloading classes/files in tests
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I believe you should be able to test that defining the constant in the test and in the file (untested):

    # c.rb
    class C; end

    # my_test.rb
    class C; end
    ... store in cache ...
    Object.instance_eval { remove_const(:C) }
    ... load from cache ...

Something like that.

Sent from my iPad

On 12 Nov 2012, at 21:30, Uriel Katz <uriel.k...@gmail.com> wrote:

> Hi,

> I am trying to fix #8167 and as part of that fix I need to write tests to check if my code auto loads classes when reading entries from cache.
> Now I need to write to the cache before I can load so when writing to the cache I do something like SomeClass.new and that loads SomeClass.

> now I want to read from the cache but without having SomeClass loaded (remember I need to check that when loading from cache SomeClass is loaded).

> I already tried the following options:
> 1.Using load/require and removing constant + removing from $LOADED_FEATURES
> 2.Using ActiveSupport::Testing::Isolation.run_in_isolation to (try) running the dump part in another process (NO_FORK=1 fails and without it doesn't do anything)

> I tried looking into autoload tests but it didn't help.

> Thanks,
> Uriel

> $LOADED_FEATURES
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