Re: isolate vim environment for plugin development

Hi,


> how do I isolate vim environment?
>
> The objective is to test and develop several different plugins
> without interference.
>
> I don't want to mess my own vim "stable" setup.
>
> For that end a setup with its own vimrc file, own variables (for
> instance using a different $HOME than the one used by vim) and
> folders would be nice.
>
> I was trying to do this thru a bash script but could not achieve the
> desired goals (changing the $HOME variable and setting up vim with a
> different vimrc was not enough).
>
> So before diving into details/scripting/etc I would like to know if
> you guys have a working solution.

New plugins are loaded through a plugin manager (VAM). In order to not add mess in all sessions, I simply Activate manually the Addons where I test them.

Regarding the maintenance of core plugins that may impact every other plugins (that's the case with my lh-vim-lib library plugin). I do branches and I don't reload the (auto/ft/0)plugin in the session I use to maintain my vim scripts. However I load and reload plugins either manually, or by restarting my (g)vim testing sessions if the changes are to complex. If I need to revert to a stable situation, I just need to checkout the stable branch.

I also have unit tests where I check the result of vim functions, and integrated test where I execute more complex sequences and check the state of my buffer afterwards. The unit tests can be executed from within a vim session [1]. The integrated tests are executed with vimrunner and a small addition that enable me to check the results on travis -- which permits me to check the behaviour of my plugin of a old vim 7.3-429.


I guess that instead of fighting with $HOME, you could also use Vim 8 packages. In "normal" sessions, load the default package, in test sessions, load sessions associated to the plugins being modified. IMO vim already has everything we need on this topic. Of course we also need a clear workflow that takes advantage of this.

[1] https://github.com/LucHermitte/vim-UT

--
Luc Hermitte

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