package client

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"sigs.k8s.io/controller-runtime/pkg/client"
)

func TestObjectKeyFromRefString(t *testing.T) {
	tcs := map[string]struct {
		ref      string
		expected client.ObjectKey
		valid    bool
	}{
		"valid":                       {"default/guestbook", key("guestbook", "default"), true},
		"has kind":                    {"deployment/default/guestbook", key("", ""), false},
		"empty string":                {"", key("", ""), false},
		"no slash":                    {"default", key("", ""), false},
		"slash with no value":         {"default/", key("", ""), false},
		"slash with no leading value": {"/guestbook", key("", ""), false},
		"slash":                       {"/", key("", ""), false},
	}

	for name, tc := range tcs {
		t.Run(name, func(t *testing.T) {
			key, err := ObjectKeyFromRefStr(tc.ref)
			switch {
			case tc.valid:
				assert.Equal(t, tc.expected, key)
			default:
				assert.Error(t, err)
			}
		})
	}
}

func key(n, ns string) client.ObjectKey {
	return client.ObjectKey{Name: n, Namespace: ns}
}