// Copyright 2026 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package resourcegroup

import (
	"context"
	"testing"

	"github.com/go-logr/logr"

	"k8s.io/apimachinery/pkg/util/sets"

	"github.com/Azure/ARO-HCP/tooling/cleanup-sweeper/pkg/policy"
)

func TestRun_NoCandidatesReturnsNil(t *testing.T) {
	t.Parallel()

	ctx := logr.NewContext(context.Background(), logr.Discard())
	err := Run(ctx, RunOptions{
		ResourceGroups: sets.New[string](),
		Policy: policy.RGOrderedPolicy{
			Discovery: policy.RGDiscoveryPolicy{},
		},
	})
	if err != nil {
		t.Fatalf("expected no error when no candidates exist, got %v", err)
	}
}
