package fn

import (
	"os"
	"testing"

	"github.com/stretchr/testify/assert"

	"sigs.k8s.io/kustomize/kyaml/fn/framework/command"
)

func TestStandalone(t *testing.T) {
	a := assert.New(t)

	os.Setenv(standaloneEnv, "")
	enabled := Standalone()
	a.Equal(enabled, command.StandaloneEnabled, "standalone should be enabled if var is set without value")

	os.Setenv(standaloneEnv, "any string")
	enabled = Standalone()
	a.Equal(enabled, command.StandaloneEnabled, "standalone should be enabled if any value is present")

	os.Unsetenv(standaloneEnv)
	enabled = Standalone()
	a.Equal(enabled, command.StandaloneDisabled, "standalone should be disabled if var is unset")
}