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#!/bin/sh
# Generate test coverage statistics for Go packages.
#
# Works around the fact that `go test -coverprofile` currently does not work
# with multiple packages, see https://code.google.com/p/go/issues/detail?id=6909
#
# Usage: script/coverage [--html|--coveralls]
#
# --html Additionally create HTML report and open it in browser
# --coveralls Push coverage statistics to coveralls.io
#
set -e
workdir=.cover
profile="$workdir/cover.out"
mode=count
generate_cover_data() {
rm -rf "$workdir"
mkdir "$workdir"
for pkg in "$@"; do
f="$workdir/$(echo $pkg | tr / -).cover"
go test -covermode="$mode" -coverprofile="$f" "$pkg"
done
echo "mode: $mode" >"$profile"
grep -h -v "^mode:" "$workdir"/*.cover >>"$profile"
}
show_cover_report() {
go tool cover -${1}="$profile"
}
push_to_coveralls() {
echo "Pushing coverage statistics to coveralls.io"
}
generate_cover_data $(go list ./...)
show_cover_report func
case "$1" in
"")
;;
--html)
show_cover_report html ;;
--coveralls)
push_to_coveralls ;;
*)
echo >&2 "error: invalid option: $1"; exit 1 ;;
esac
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