Improve test script, add golangci-lint as optional check

test

@@ -4,6 +4,22 @@ warnings=0
 errors=0
 scripted=0
 goUp="\\e[1A"
+all=0
+install=0
+
+function help {
+  echo "usage: $0 [command] [options]"
+  echo ""
+  echo "commands:"
+  echo "  <none>        run baseline tests"
+  echo "  all           run all tests"
+  echo "  install       install deps for running baseline tests"
+  echo "  install all   install deps for running all tests"
+  echo ""
+  echo "options:"
+  echo "  --scripted    dont jump console lines (still use colors)"
+  echo "  [package]     run tests only on this package"
+}
 
 function run {
   if [[ $scripted -eq 0 ]]; then
@@ -36,8 +52,8 @@ function run {
     if [[ $output == *"build constraints exclude all Go files"* ]]; then
       echo -e "${goUp}[ !=OS ] $*"
     else
-      echo -e "${goUp}[\e[01;31m FAIL \e[00m] $*" >/dev/stderr
-      cat $tmpfile >/dev/stderr
+      echo -e "${goUp}[\e[01;31m FAIL \e[00m] $*"
+      cat $tmpfile
       errors=$((errors+1))
     fi
   fi
@@ -45,27 +61,123 @@ function run {
   rm -f $tmpfile
 }
 
+function checkformat {
+  if [[ $scripted -eq 0 ]]; then
+    echo "[......] gofmt $1"
+  fi
+
+  output=$(gofmt -l $GOPATH/src/$1/*.go)
+  if [[ $output == "" ]]; then
+    echo -e "${goUp}[\e[01;32m  OK  \e[00m] gofmt $*"
+  else
+    echo -e "${goUp}[\e[01;31m FAIL \e[00m] gofmt $*"
+    echo "The following files do not conform to gofmt:"
+    gofmt -l $GOPATH/src/$1/*.go # keeps format
+    errors=$((errors+1))
+  fi
+}
+
 # get and switch to script dir
 baseDir="$( cd "$(dirname "$0")" && pwd )"
 cd "$baseDir"
 
-# change output format if being run in script
-if [[ $1 == "--scripted" ]]; then
-  scripted=1
-  goUp=""
+# args
+while true; do
+  case "$1" in
+  "-h"|"help"|"--help")
+    help
+    exit 0
+    ;;
+  "--scripted")
+    scripted=1
+    goUp=""
+    shift 1
+    ;;
+  "install")
+    install=1
+    shift 1
+    ;;
+  "all")
+    all=1
+    shift 1
+    ;;
+  *)
+    break
+    ;;
+  esac
+done
+
+# check if $GOPATH/bin is in $PATH
+if [[ $PATH != *"$GOPATH/bin"* ]]; then
+  export PATH=$GOPATH/bin:$PATH
+fi
+
+# install
+if [[ $install -eq 1 ]]; then
+  echo "installing dependencies..."
+  echo "$ go get -u golang.org/x/lint/golint"
+  go get -u golang.org/x/lint/golint
+  if [[ $all -eq 1 ]]; then
+    echo "$ go get -u github.com/golangci/golangci-lint/cmd/golangci-lint"
+    go get -u github.com/golangci/golangci-lint/cmd/golangci-lint
+  fi
+fi
+
+# check dependencies
+if [[ $(which go) == "" ]]; then
+  echo "go command not found"
+  exit 1
+fi
+if [[ $(which gofmt) == "" ]]; then
+  echo "gofmt command not found"
+  exit 1
+fi
+if [[ $(which golint) == "" ]]; then
+  echo "golint command not found"
+  echo "install with: go get -u golang.org/x/lint/golint"
+  echo "or run: ./test install"
+  exit 1
+fi
+if [[ $all -eq 1 ]]; then
+  if [[ $(which golangci-lint) == "" ]]; then
+    echo "golangci-lint command not found"
+    echo "install locally with: go get -u github.com/golangci/golangci-lint/cmd/golangci-lint"
+    echo "or run: ./test install all"
+    echo ""
+    echo "hint: install for CI with: curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin vX.Y.Z"
+    echo "don't forget to specify the version you want"
+    exit 1
+  fi
+fi
+
+# target selection
+if [[ "$1" == "" ]]; then
+  # get all packages
+  packages=$(go list ./...)
+else
+  # single package testing
+  packages=$(go list)/$1
+  if [[ ! -d "$packages" ]]; then
+    echo "go package $packages does not exist"
+    help
+    exit 1
+  fi
+  echo "note: only running tests for package $packages"
 fi
 
 # platform info
 platformInfo=$(go env GOOS GOARCH)
 echo "running tests for ${platformInfo//$'\n'/ }:"
 
-# get all packages
-packages=$(go list ./...)
-
 # run vet/test on packages
 for package in $packages; do
+  checkformat $package
+  run golint -set_exit_status -min_confidence 1.0 $package
   run go vet $package
   run go test -cover $package
+  if [[ $all -eq 1 ]]; then
+    run golangci-lint run $GOPATH/src/$package
+  fi
 done
 
 echo ""