// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// 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 querynode

import (
	"testing"

	"github.com/stretchr/testify/assert"

	"github.com/milvus-io/milvus/internal/proto/querypb"
)

func TestGlobalSealedSegmentManager(t *testing.T) {
	manager := newGlobalSealedSegmentManager(defaultCollectionID)
	assert.NotNil(t, manager)

	segmentInfo := &querypb.SegmentInfo{
		SegmentID:    defaultSegmentID,
		CollectionID: defaultCollectionID,
		PartitionID:  defaultPartitionID,
	}

	err := manager.addGlobalSegmentInfo(segmentInfo)
	assert.NoError(t, err)

	segmentInfo.CollectionID = 1000
	err = manager.addGlobalSegmentInfo(segmentInfo)
	assert.Error(t, err)

	ids := manager.getGlobalSegmentIDs()
	assert.Len(t, ids, 1)
	assert.Equal(t, segmentInfo.SegmentID, ids[0])

	ids = manager.getGlobalSegmentIDsByPartitionIds([]UniqueID{defaultPartitionID})
	assert.Len(t, ids, 1)
	assert.Equal(t, segmentInfo.SegmentID, ids[0])

	manager.removeGlobalSegmentIDsByPartitionIds([]UniqueID{defaultPartitionID})
	ids = manager.getGlobalSegmentIDs()
	assert.Len(t, ids, 0)

	segmentInfo.CollectionID = defaultCollectionID
	err = manager.addGlobalSegmentInfo(segmentInfo)
	assert.NoError(t, err)

	manager.removeGlobalSegmentInfo(defaultSegmentID)
	ids = manager.getGlobalSegmentIDs()
	assert.Len(t, ids, 0)

	has := manager.hasGlobalSegment(defaultSegmentID)
	assert.False(t, has)

	segmentInfo.CollectionID = defaultCollectionID
	err = manager.addGlobalSegmentInfo(segmentInfo)
	assert.NoError(t, err)

	manager.close()
	ids = manager.getGlobalSegmentIDs()
	assert.Len(t, ids, 0)
}