// 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 (
	"context"
	"testing"

	"github.com/stretchr/testify/assert"

	"github.com/milvus-io/milvus/internal/util/flowgraph"
)

func TestServiceTimeNode_Operate(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	genServiceTimeNode := func() *serviceTimeNode {
		tSafe := newTSafeReplica()
		tSafe.addTSafe(defaultVChannel)

		fac, err := genFactory()
		assert.NoError(t, err)

		node := newServiceTimeNode(ctx,
			tSafe,
			loadTypeCollection,
			defaultCollectionID,
			defaultPartitionID,
			defaultVChannel,
			fac)
		return node
	}

	t.Run("test operate of loadTypeCollection", func(t *testing.T) {
		node := genServiceTimeNode()
		msg := &serviceTimeMsg{
			timeRange: TimeRange{
				timestampMin: 0,
				timestampMax: 1000,
			},
		}
		in := []flowgraph.Msg{msg}
		node.Operate(in)
	})

	t.Run("test operate of loadTypePartition", func(t *testing.T) {
		node := genServiceTimeNode()
		node.loadType = loadTypePartition
		msg := &serviceTimeMsg{
			timeRange: TimeRange{
				timestampMin: 0,
				timestampMax: 1000,
			},
		}
		in := []flowgraph.Msg{msg}
		node.Operate(in)
	})

	t.Run("test invalid msg type", func(t *testing.T) {
		node := genServiceTimeNode()
		msg := &serviceTimeMsg{
			timeRange: TimeRange{
				timestampMin: 0,
				timestampMax: 1000,
			},
		}
		in := []flowgraph.Msg{msg, msg}
		node.Operate(in)
	})

	t.Run("test no tSafe", func(t *testing.T) {
		node := genServiceTimeNode()
		isRemoved := node.tSafeReplica.removeTSafe(defaultVChannel)
		assert.True(t, isRemoved)
		msg := &serviceTimeMsg{
			timeRange: TimeRange{
				timestampMin: 0,
				timestampMax: 1000,
			},
		}
		in := []flowgraph.Msg{msg, msg}
		node.Operate(in)
	})
}