// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 storage

import (
	"testing"

	"github.com/stretchr/testify/assert"

	"github.com/milvus-io/milvus/internal/util/initcore"
	"github.com/milvus-io/milvus/pkg/v2/common"
)

func TestPackedSerde(t *testing.T) {
	t.Run("test binlog packed serde v2", func(t *testing.T) {
		initcore.InitLocalArrowFileSystem("/tmp")
		size := 10

		blobs, err := generateTestData(size)
		assert.NoError(t, err)

		reader, err := NewBinlogDeserializeReader(generateTestSchema(), MakeBlobsReader(blobs))
		assert.NoError(t, err)
		defer reader.Close()

		paths := []string{"/tmp/0"}
		bufferSize := int64(10 * 1024 * 1024) // 10MB
		schema := generateTestSchema()
		group := []int{}
		for i := 0; i < len(schema.Fields); i++ {
			group = append(group, i)
		}
		columnGroups := [][]int{group}
		multiPartUploadSize := int64(0)
		batchSize := 7
		writer, err := NewPackedSerializeWriter(paths, schema, bufferSize, multiPartUploadSize, columnGroups, batchSize)
		assert.NoError(t, err)

		for i := 1; i <= size; i++ {
			err = reader.Next()
			assert.NoError(t, err)

			value := reader.Value()
			assertTestData(t, i, value)
			err := writer.Write(value)
			assert.NoError(t, err)
		}
		err = writer.Close()
		assert.NoError(t, err)

		reader, err = NewPackedDeserializeReader(paths, schema, bufferSize, common.RowIDField)
		assert.NoError(t, err)
		defer reader.Close()

		for i := 1; i <= size; i++ {
			err = reader.Next()
			assert.NoError(t, err)
			value := reader.Value()
			assertTestData(t, i, value)
		}
	})
}