Unable to run on multiple packages

[usmanismail]

I am unable to use this tool with multiple packages

goveralls -package ./... XXXXXXXXXXXX
cannot use test profile flag with multiple packages
error: %v exit status 1
17:58:08 gocov.go:132: Error loading gocov results: exit status 1

[krak3n]

Confirmed.

[h12w]

"go test -coverprofile" does not support generating a single coverage profile for multiple packages. (see: https://groups.google.com/forum/#!msg/golang-nuts/p4WbbnJqTvk/8EBnIWXOgMAJ).

Is it possible to generate many coverage profiles and then merge them into one?

[sdboyer]

also having this issue, any resolutions?

[mattn]

It's not a problem of goveralls maybe.

[usmanismail]

The output coverage reports can be concatenated and sent to goveralls. The service
is able to report correctly. See https://github.com/gopns/gopns/blob/master/test-coverage.sh for how I did it.

It would be great to have this built into the library.

[stojg]

@usmanismail thanks for that script, it works great.

[sdboyer]

fyi, i worked from what @usmanismail and made a similar version: https://github.com/sdboyer/gogl/blob/master/test-coverage.sh

[modocache]

I had the same problem. I agree with @mattn, this doesn't seem like a goveralls problem--more like a problem with go test itself.

I made a Go executable to combine the .coverprofile files. You can add it to your CI script:

go get code.google.com/p/go.tools/cmd/cover
go get github.com/modocache/gover
go get github.com/mattn/goveralls

go test ./...
gover
goveralls -coverprofile=gover.coverprofile -service drone.io -repotoken $COVERALLS_TOKEN

[h12w]

Please note that issue 6909 is exactly this problem and has been accepted. It is quite possible that "go test" will support this in the future release. See https://code.google.com/p/go/issues/detail?id=6909

[rafecolton]

@modocache thanks for gover! I added an example usage that combines all of the suggestions here: https://github.com/rafecolton/fmtpolice#example-coverage-usage-with-goveralls

[keighl]

Thanks for writing gover, @modocache. Here's a travis config that works for one of my projects with 'sub-packages'. go test can't output multiple coverprofiles, but it's easy enough to just run it a few times.

before_install:
  - go get golang.org/x/tools/cmd/cover
  - go get github.com/axw/gocov/gocov
  - go get github.com/modocache/gover
  - go get github.com/mattn/goveralls

script:
  - go test -coverprofile=api.coverprofile ./api
  - go test -coverprofile=utils.coverprofile ./utils
  - go test -coverprofile=models.coverprofile ./models
  - go test -coverprofile=main.coverprofile
  - $HOME/gopath/bin/gover
  - $HOME/gopath/bin/goveralls -coverprofile=gover.coverprofile -service travis-ci

[pierrebeaucamp]

any updates?

[h12w]

Workaround on this issue:
https://github.com/h12w/gosweep

[pierrebeaucamp]

gover works perfectly fine for me, but I'd rather have this functionality in goveralls built in.

[at15]

https://github.com/go-playground/overalls (Multi-Package go project coverprofile for tools like goveralls ) can be used to test multiple packages in a project and more discussion about this problem can be found in golang/go#6909

[mattn]

I made already branch for multiple-package. https://github.com/mattn/goveralls/tree/multiple-packages

But not tested.

[steenzout]

check https://github.com/h12w/gosweep for a simple bash script that can get you complete coverage.

you can then use the output on goveralls.

[mattn]

Closed by #74

[paskal]

For reference, here is how I combine two coverage profiles in the GitHub actions:

go test -timeout=60s -race -covermode=atomic -coverprofile=$GITHUB_WORKSPACE/profile.cov_tmp
cat $GITHUB_WORKSPACE/profile.cov_tmp | grep -v "_mock.go" > $GITHUB_WORKSPACE/profile.cov
cd v2
go test -timeout=60s -race -covermode=atomic -coverprofile=$GITHUB_WORKSPACE/profile.cov_tmp
# combine the coverage files
cat $GITHUB_WORKSPACE/profile.cov_tmp | grep -v "_mock.go" | grep -v "mode:" >> $GITHUB_WORKSPACE/profile.cov