[PATCH 3 of 3 v2 pip-fix] tests: add a test for installing hg with pip in a virtualenv

[Augie Fackler]

> On Jun 19, 2017, at 18:13, Donald Stufft <donald at stufft.io> wrote:
> 
>>> Any thoughts on what to do here?  The ping command has a different
>>> interface on Solaris than on Linux, so trying to simply ping
>>> pypi.python.org (assuming we can rely on pip always trying that host) is
>>> going to run into platform-specific issues.  We could save http_proxy
>>> aside, and enable it here specifically (somehow).  Or we could allow for
>>> specific "have"s to be blacklisted, and introduce some sort of
>>> external-network #if token, maybe?
>> 
>> I was going to suggest an hghave check that lets us be sure we can see authentic pypi - dstufft, do you have some endpoint that'd be suitable for such a sniff-test?
>> 
>> (The test in question is an end-to-end setup.py install test that makes a virtualenv, which I think is failing because it wants to slurp down pip and setuptools...)
>> 
> 
> 
> You could just tell virtualenv not to pull down the latest pip/setuptools/etc? That seems like the best solution here since presumably you don’t want your tests hitting the network unless required anyways?

That sounds like exactly what I want - do you know how to do that? Is that the --never-download flag which says it does nothing on my Python 2.7.13? (but maybe Danek has an older virtualenv?)