[Bioc-devel] Failing GenVisR package

Skidmore, Zach z@kidmor @ending from wu@tl@edu
Mon Oct 22 18:50:35 CEST 2018

Hi All,

I'm looking for some advice, I maintain the GenVisR package, it is currently failing on malbec1-devel. I use the vdiffr package to perform visual test cases, essentially the package compares the SVG output to a predefined expectation and fails if an anomaly is detected. This worked perfectly until perhaps a month ago, given that the visual test-case fails only on malbec1 I suspect the issue is something small, perhaps malbec1 uses a different font library causing the SVG's to be significantly different.

At any rate I'm looking for any advice on how to:

1) determine what the difference is, normally I would run vdiffr::manage_cases() but obviously that is not possible with the automated build system. Is there a docker image available that corresponds exactly to malbec1?

2) Again I suspect that this is a minor issue given that everything is fine on the other two OS, but I'm trying to figure out the proper course of action to resolve this. I could add a skip_on_bioc() flag for all visual test-cases. I would rather not do that if there is a way to avoid it though.

Thanks for any advice!

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