[Haskell-cafe] Coverage icon on hackage

[Tikhon Jelvis]

Looks like it's built into Hackage and not just in the Readme. The
bytestring package is a good example with several badges including code
coverage; if you click the "Build | InstallOK" badge, you get a more
detailed report.

https://hackage.haskell.org/package/bytestring

On Sat, May 7, 2022 at 11:46 AM Mikolaj Konarski <mikolaj at well-typed.com>
wrote:

> Hi Ivan,
>
> Was that icon just a part of a README? If not, could you
> give a link?
>
> In any case, people at the #hackage Matrix/IRC channel may
> know about any plans to add that (#hackage is a shared room
> for Hackage and related topics such as ghcup, cabal,
> Stackage-Hackage interoperation, etc.; all are welcome).
>
> Cheers,
> Mikolaj
>
> On Sat, May 7, 2022 at 7:31 PM Ivan Perez <ivanperezdominguez at gmail.com>
> wrote:
>
>> Hi all,
>>
>> What analysis does the hackage server run to determine the coverage level
>> of, or rating given to, a particular package?
>>
>> For example, for one package it is showing this icon:
>>
>> https://img.shields.io/static/v1?label=Coverage&message=32%&color=red
>>
>> What does that actually mean? The build log states:
>> Code Coverage
>> expressions 32% (224/684)
>> booleanguards 100% (0/0)
>> conditions 20% (1/5)
>> qualifiers 100% (0/0)
>> alternatives 27% (5/18)
>> local declarations 40% (6/15)
>> top-level declarations 32% (29/90)
>>
>> Is it possible to see details of how hackage is arriving to these
>> conclusion, and to replicate these results locally?
>>
>> Thanks,
>>
>> Ivan
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