Re: [PATCH] Unit-test for Please add support for dlangs packagemanager to ob-C.el

[Ihor Radchenko <yantar92@gmail.com>]

Max Nikulin <manikulin@gmail.com> writes:

> I am unsure concerning general policy related to org-babel test, so the 
> following is rather discussion than a direct request to change the test.
>
> Is there a way to avoid dependency on remote resources? My concern is 
> test results affected by network issues. In addition, more required 3rd 
> party tools means less probability that a developer after modification 
> of generic babel code noticed that the changes break D backend because 
> missing tool on the development machine. I have no idea how much efforts 
> is required to create a mock for isolated environment.

Tests must not rely on remote resources.
However, it does not mean that we cannot test remote resources in Org
tests. One simply needs to mock the url-retrieve or whatever function is
used to retrieve remove resource.

> Another point is that missed dub binary is not reflected in test report. 
> If `skip-unless' feature of ert is available in Emacs-26 then it should 
> be used.

The current approach to optional binaries is throwing
'missing-test-dependency error when the binary is not available.

-- 
Ihor Radchenko,
Org mode contributor,
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