You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: minio_object_storage_test.go
    path of file: ./repos/milvus/internal/storage
    
    the code of the file until where you have to start completion: // 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 (
	"bytes"
	"context"
	"fmt"
	"io"
	"testing"

	"github.com/minio/minio-go/v7"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestMinioObjectStorage(t *testing.T) {
	ctx := context.Background()
	config := config{
		address:           Params.MinioCfg.Address.GetValue(),
		accessKeyID:       Params.MinioCfg.AccessKeyID.GetValue(),
		secretAccessKeyID: Params.MinioCfg.SecretAccessKey.GetValue(),
		rootPath:          Params.MinioCfg.RootPath.GetValue(),

		bucketName:    Params.MinioCfg.BucketName.GetValue(),
		createBucket:  true,
		useIAM:        false,
		cloudProvider: "minio",
	}

	t.Run("test initialize", func(t *testing.T) {
		var err error
		bucketName := config.bucketName
		config.bucketName = ""
		_, err = newMinioObjectStorageWithConfig(ctx, &config)
		assert.Error(t, err)
		config.bucketName = bucketName
		_, err = newMinioObjectStorageWithConfig(ctx, &config)
		assert.Equal(t, err, nil)
	})

	t.Run("test load", func(t *testing.T) {
		testCM, err := newMinioObjectStorageWithConfig(ctx, &config)
		assert.Equal(t, err, nil)
		defer testCM.RemoveBucket(ctx, config.bucketName)

		prepareTests := []struct {
			key   string
			value []byte
		}{
			{"abc", []byte("123")},
			{"abcd", []byte("1234")},
			{"key_1", []byte("111")},
			{"key_2", []byte("222")},
			{"key_3", []byte("333")},
		}

		for _, test := range prepareTests {
			err := testCM.PutObject(ctx, config.bucketName, test.key, bytes.NewReader(test.value), int64(len(test.value)))
			require.NoError(t, err)
		}

		loadTests := []struct {
			isvalid       bool
			loadKey       string
			expectedValue []byte

			description string
		}{
			{true, "abc", []byte("123"), "load valid key abc"},
			{true, "abcd", []byte("1234"), "load valid key abcd"},
			{true, "key_1", []byte("111"), "load valid key key_1"},
			{true, "key_2", []byte("222"), "load valid key key_2"},
			{true, "key_3", []byte("333"), "load valid key key_3"},
			{false, "key_not_exist", []byte(""), "load invalid key key_not_exist"},
			{false, "/", []byte(""), "load leading slash"},
		}

		for _, test := range loadTests {
			t.Run(test.description, func(t *testing.T) {
				if test.isvalid {
					got, err := testCM.GetObject(ctx, config.bucketName, test.loadKey, 0, 1024)
					assert.NoError(t, err)
					contentData, err := io.ReadAll(got)
					assert.NoError(t, err)
					assert.Equal(t, len(contentData), len(test.expectedValue))
					assert.Equal(t, test.expectedValue, contentData)
					statSize, err := testCM.StatObject(ctx, config.bucketName, test.loadKey)
					assert.NoError(t, err)
					assert.Equal(t, statSize, int64(len(contentData)))
					_, err = testCM.GetObject(ctx, config.bucketName, test.loadKey, 1, 1023)
					assert.NoError(t, err)
				} else {
					got, err := testCM.GetObject(ctx, config.bucketName, test.loadKey, 0, 1024)
					assert.NoError(t, err)
					_, err = io.ReadAll(got)
					errResponse := minio.ToErrorResponse(err)
					if test.loadKey == "/" {
	
    
func TestMinioObjectStorage(t *testing.T) {
	ctx := context.Background()
	config := config{
		address:           Params.MinioCfg.Address.GetValue(),
		accessKeyID:       Params.MinioCfg.AccessKeyID.GetValue(),
		secretAccessKeyID: Params.MinioCfg.SecretAccessKey.GetValue(),
		rootPath:          Params.MinioCfg.RootPath.GetValue(),

		bucketName:    Params.MinioCfg.BucketName.GetValue(),
		createBucket:  true,
		useIAM:        false,
		cloudProvider: "minio",
	}

	t.Run("test initialize", func(t *testing.T) {
		var err error
		bucketName := config.bucketName
		config.bucketName = ""
		_, err = newMinioObjectStorageWithConfig(ctx, &config)
		assert.Error(t, err)
		config.bucketName = bucketName
		_, err = newMinioObjectStorageWithConfig(ctx, &config)
		assert.Equal(t, err, nil)
	})

	t.Run("test load", func(t *testing.T) {
		testCM, err := newMinioObjectStorageWithConfig(ctx, &config)
		assert.Equal(t, err, nil)
		defer testCM.RemoveBucket(ctx, config.bucketName)

		prepareTests := []struct {
			key   string
			value []byte
		}{
			{"abc", []byte("123")},
			{"abcd", []byte("1234")},
			{"key_1", []byte("111")},
			{"key_2", []byte("222")},
			{"key_3", []byte("333")},
		}

		for _, test := range prepareTests {
			err := testCM.PutObject(ctx, config.bucketName, test.key, bytes.NewReader(test.value), int64(len(test.value)))
			require.NoError(t, err)
		}

		loadTests := []struct {
			isvalid       bool
			loadKey       string
			expectedValue []byte

			description string
		}{
			{true, "abc", []byte("123"), "load valid key abc"},
			{true, "abcd", []byte("1234"), "load valid key abcd"},
			{true, "key_1", []byte("111"), "load valid key key_1"},
			{true, "key_2", []byte("222"), "load valid key key_2"},
			{true, "key_3", []byte("333"), "load valid key key_3"},
			{false, "key_not_exist", []byte(""), "load invalid key key_not_exist"},
			{false, "/", []byte(""), "load leading slash"},
		}

		for _, test := range loadTests {
			t.Run(test.description, func(t *testing.T) {
				if test.isvalid {
					got, err := testCM.GetObject(ctx, config.bucketName, test.loadKey, 0, 1024)
					assert.NoError(t, err)
					contentData, err := io.ReadAll(got)
					assert.NoError(t, err)
					assert.Equal(t, len(contentData), len(test.expectedValue))
					assert.Equal(t, test.expectedValue, contentData)
					statSize, err := testCM.StatObject(ctx, config.bucketName, test.loadKey)
					assert.NoError(t, err)
					assert.Equal(t, statSize, int64(len(contentData)))
					_, err = testCM.GetObject(ctx, config.bucketName, test.loadKey, 1, 1023)
					assert.NoError(t, err)
				} else {
					got, err := testCM.GetObject(ctx, config.bucketName, test.loadKey, 0, 1024)
					assert.NoError(t, err)
					_, err = io.ReadAll(got)
					errResponse := minio.ToErrorResponse(err)
					if test.loadKey == "/" {
						assert.Equal(t, errResponse.Code, "XMinioInvalidObjectName")
					} else {
						assert.Equal(t, errResponse.Code, "NoSuchKey")
					}
				}
			})
		}

		loadWithPrefixTests := []struct {
			isvalid       bool
			prefix        string
			expectedValue [][]byte

			description string
		}{
			{true, "abc", [][]byte{[]byte("123"), []byte("1234")}, "load with valid prefix abc"},
			{true, "key_", [][]byte{[]byte("111"), []byte("222"), []byte("333")}, "load with valid prefix key_"},
			{true, "prefix", [][]byte{}, "load with valid but not exist prefix prefix"},
		}

		for _, test := range loadWithPrefixTests {
			t.Run(test.description, func(t *testing.T) {
				gotk, _, err := testCM.ListObjects(ctx, config.bucketName, test.prefix, false)
				assert.NoError(t, err)
				assert.Equal(t, len(test.expectedValue), len(gotk))
				for _, key := range gotk {
					err := testCM.RemoveObject(ctx, config.bucketName, key)
					assert.NoError(t, err)
				}
			})
		}
	})

	t.Run("test list", func(t *testing.T) {
		testCM, err := newMinioObjectStorageWithConfig(ctx, &config)
		assert.Equal(t, err, nil)
		defer testCM.RemoveBucket(ctx, config.bucketName)

		prepareTests := []struct {
			valid bool
			key   string
			value []byte
		}{
			// {true, "abc/", []byte("123")}, will write as abc
			{true, "abc/d", []byte("1234")},
			{true, "abc/d/e", []byte("12345")},
			{true, "abc/e/d", []byte("12354")},
			{true, "key_/1/1", []byte("111")},
			{true, "key_/1/2", []byte("222")},
			{true, "key_/1/2/3", []byte("333")},
			{true, "key_/2/3", []byte("333")},
		}

		for _, test := range prepareTests {
			t.Run(test.key, func(t *testing.T) {
				err := testCM.PutObject(ctx, config.bucketName, test.key, bytes.NewReader(test.value), int64(len(test.value)))
				require.Equal(t, test.valid, err == nil)
			})
		}

		insertWithPrefixTests := []struct {
			recursive     bool
			prefix        string
			expectedValue []string
		}{
			{true, "abc/", []string{"abc/d", "abc/e/d"}},
			{true, "key_/", []string{"key_/1/1", "key_/1/2", "key_/2/3"}},
			{false, "abc/", []string{"abc/d", "abc/e/"}},
			{false, "key_/", []string{"key_/1/", "key_/2/"}},
		}

		for _, test := range insertWithPrefixTests {
			t.Run(fmt.Sprintf("prefix: %s, recursive: %t", test.prefix, test.recursive), func(t *testing.T) {
				gotk, _, err := testCM.ListObjects(ctx, config.bucketName, test.prefix, test.recursive)
				assert.NoError(t, err)
				assert.Equal(t, len(test.expectedValue), len(gotk))
				for _, key := range gotk {
					assert.Contains(t, test.expectedValue, key)
				}
			})
		}
	})

	t.Run("test useIAM", func(t *testing.T) {
		var err error
		config.useIAM = true
		_, err = newMinioObjectStorageWithConfig(ctx, &config)
		assert.Error(t, err)
		config.useIAM = false
	})

	t.Run("test cloud provider", func(t *testing.T) {
		var err error
		cloudProvider := config.cloudProvider
		config.cloudProvider = "aliyun"
		config.useIAM = true
		_, err = newMinioObjectStorageWithConfig(ctx, &config)
		assert.Error(t, err)
		config.useIAM = false
		_, err = newMinioObjectStorageWithConfig(ctx, &config)
		assert.Error(t, err)
		config.cloudProvider = "gcp"
		_, err = newMinioObjectStorageWithConfig(ctx, &config)
		assert.NoError(t, err)
		config.cloudProvider = cloudProvider
	})
}