🎄 Go code coverage to SVG treemap

🎄 Go cover to Treemap

Useful when you have large project with lots of files and packages

$ go install github.com/nikolaydubina/go-cover-treemap@latest
$ go test -coverprofile cover.out ./...
$ go-cover-heatmap -coverprofile cover.out > out.svg

github.com/gohugoio/hugo

example-hugo

..also available in 1080x360

example-hugo-small

github.com/gin-gonic/gin

example-gin

github.com/go-chi/chi

example-chi

github.com/nikolaydubina/treemap

example-treemap

github.com/nikolaydubina/go-featureprocessing

example-go-featureprocessing

Disclaimer

In all examples above I run go test -coverprofile <my-file> ./.... I did not do any special setup. Some projects may reuqire additional steps to properly run tets and generate full coverprofile. What you see is "lower bound" of coverage for those projects. All profiles generated on main branch of each project in GitHub on 2021-12-07.

Contributions

Welcomed! Add pretty color palettes! Add interesting examples!

Reference

Owner
Nikolay Dubina
Nikolay Dubina
https://github.com/nikolaydubina/go-cover-treemap
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Comments
  • add directory filter

    add directory filter

    • Created a Filter struct with a function to filter directory only.
    • Added a directory-only flag which is false by default.

    Possible fixes https://github.com/nikolaydubina/go-cover-treemap/issues/6

    Example how hugo looks: out

  • Show only folder coverage

    Show only folder coverage

    Is there a way to see only the folder coverage? In projects with many files the output image shows the file names and sometimes they're really really small and you couldn't even read them, so it's not useful.

    For my case would be good to show the folder coverage. For example: I have

    pkg/
  user/
    controller/
    service/
    persistence/

    So I would like to see the coverage for the whole controller, service and persistence folders, not each file inside of them.

    Thanks in advance for the project idea, it's really useful!

  • Only folders showing files

    Only folders showing files

    It's probably a bug, once the only folders shouldn't show any file. If you take a look into the example in the README: https://github.com/nikolaydubina/go-cover-treemap/blob/main/docs/hugo-only-folders-no-aggregation.svg

    You can see it's still showing files, for instance: resources/images/exif/exif.go

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