codecheck.sh

#!/bin/bash

# Fail fast on errors
set -e

# Download the fgt tool which returns a non-zero value if a command prints anything to stdout
# And grab coverage / lint tools
go get \
	github.com/GeertJohan/fgt \
	github.com/golang/lint/golint \
	golang.org/x/tools/cmd/cover


export TEST_ROOT_PATH=$(cd $(dirname $0); pwd -P)

# The value of the exit status for the script.
scriptreturn=0

# Will modify the scriptreturn if anything non-zero comes back from fgt.
function testCmd() {
	eval "$@"
	ret=$?
	if (($ret > 0)); then
		scriptreturn=$ret
		echo "FAILURE: $@"
	fi
}

# This will set the return to non zero if output is returned. useful for go fmt.
# uses fgt instead of eval
function testCmdOutput() {
	set +e
	fgt "$@"
	ret=$?
	set -e
	if (($ret > 0)); then
		scriptreturn=$ret
		echo "FAILURE: $@"
	fi
}

# Get the list of packages.
pkgs=`go list ./...`

# Lint check
echo
echo
echo '---------------------------------------------------------'
echo 'Doing a lint check on go code'
echo '---------------------------------------------------------'
for pkg in $pkgs
do
	testCmdOutput golint $pkg
done

# Vet check
echo
echo
echo '---------------------------------------------------------'
echo 'Doing a vet check on go code'
echo '---------------------------------------------------------'
for pkg in $pkgs
do
	testCmdOutput go vet $pkg
done

# Fmt Check
echo
echo
echo '---------------------------------------------------------'
echo 'Doing a format / style check on go code'
echo '---------------------------------------------------------'
for pkg in $pkgs
do
	testCmdOutput go fmt $pkg
done

# Coverage Check
echo
echo
echo '---------------------------------------------------------'
echo 'Doing a code coverage check on go code'
echo '---------------------------------------------------------'
echo "mode: count" > profile.cov
for pkg in $pkgs
do
	echo "testing package $pkg"
	testCmd go test -v -covermode=count $pkg -coverprofile=tmp.cov
	if [ -f tmp.cov ]
	then
		cat tmp.cov | tail -n +2 >> profile.cov
		rm tmp.cov
	fi
done

testCmd go tool cover -func profile.cov

exit $scriptreturn