[mapserver-dev] Automated publication of MapServer code coverage

thomas bonfort thomas.bonfort at gmail.com
Mon Jul 8 10:50:54 PDT 2013

This is way cool !
Maybe the resulting pages could be uploaded to the mapserver.org
website. I'm not sure about ftp access, but the upload could probably
be done with an ssh key. I would also need that functionality to
upload artifacts for failed test runs, in order to visually see which
tests failed, but that's another story...


On 6 July 2013 23:52, Even Rouault <even.rouault at mines-paris.org> wrote:
> Hi devs,
> What is it about ?
> --------------------------
> I've setup a cronjob that publishes the code coverage of MapServer when
> running the msautotest suite.
> The results are published at the below links, and updated at each pushed
> commit in master :
> http://even.rouault.free.fr/mapserver_coverage_html/home/travis/build/rouault/mapserver/
> What for ?
> ----------------
> This can help improving msautotest to add better coverage for still untested
> code.
> How does it work ?
> ----------------------------
> I've setup a branch 'mapserver_coverage' in my mapserver fork :
> https://github.com/rouault/mapserver/commits/master_with_coverage
> This branch modifies the base .travis.yml to compile mapserver with coverage
> information (gcc --coverage flag), runs the testsuite and then generate the
> HTML report of code coverage afterwards with the lcov & genhtml utilities. At
> the end, it transfers the generated HTML files onto the above site via FTP.
> (There's a trick to be able to incrementally upload files between jobs. See
> run_code_coverage_upload.sh and find_updated_files.py )
> The changes of master_with_coverage vs master are summarized here :
> https://github.com/rouault/mapserver/compare/master_with_coverage
> The cronjob just merges 'master' into 'master_with_coverage' regularly and
> pushes the branch to github, which causes a Travis build.
> Why in a personnal branch ?
> -------------------------------------------
> The issue is with the FTP transfer onto my HTTP page. This requires of course
> specifying a password that is better kept private... Travis offers a way of
> doing this securely by putting an encrypted environment variable into the
> .travis.yml file. When Travis runs the script, it decrypts the environment
> variable. The variable is encoded/decoded with information linked to the
> Travis (or github ?? I'm not sure) account. There's a security in Travis that
> prevents people running forks of the repository (or pull requests triggering
> Travis builds) to steal the decoded information. See http://about.travis-
> ci.org/docs/user/build-configuration/#Secure-environment-variables for more
> details.
> This could likely be merged into the official MapServer repository (this would
> avoid relying on the cronjob on my PC) if the project manages a FTP
> repository. I've not investigated if there would be more efficient/simple ways
> to upload files.
> Best regards,
> Even
> --
> Geospatial professional services
> http://even.rouault.free.fr/services.html
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