coverage

#!/bin/bash -e
# Cannot use test profile flag with multiple packages, so this script
# processes each directory in turn.
#
# Other useful value is 'html'
#MODE=${1:-func}

DIR=$PWD
DOT=$(dirname $0)
cd $DOT
TOP=$PWD
PATH=$HOME/go/bin:$PATH

export GO11MODULE=on

#go env
go mod download

# install Goveralls if absent
if ! type -p goveralls; then
  echo go install github.com/mattn/goveralls
  go install github.com/mattn/goveralls
fi

rm -rf reports
mkdir reports

for file in $(find . -type f -name \*_test.go); do
  dirname $file >> coverage$$.tmp
done

sort coverage$$.tmp | uniq | tee coverage$$.dirs

for pkg in $(cat coverage$$.dirs); do
  name=$(echo $pkg | sed 's#^./##' | sed 's#/#-#g')
  [ "$pkg" = "." ] && name=$(basename $PWD)
  echo $pkg becomes $name
  go test -v -coverprofile coverage$$.data $pkg
  if [ -f coverage$$.data ]; then
    go tool cover -html coverage$$.data -o reports/$name.html
    unlink coverage$$.data
  fi
done

rm -f coverage$$.tmp coverage$$.dirs

if [ -n "$(type -p chromium-browser)" ]; then
  chromium-browser reports/*.html >/dev/null &
elif [ -n "$(type -p open)" ]; then
  open reports/*.html # >/dev/null &
else
  ls -lh reports/
fi