本地Dynamodb单元测试; GSI未更新。
创始人
2024-11-29 11:02:02
0

要在本地进行DynamoDB单元测试并确保GSI(全局二级索引)已更新,您可以使用AWS SDK提供的模拟器和本地数据库。以下是使用Java SDK进行DynamoDB单元测试的示例代码:

import java.util.HashMap;
import java.util.Map;

import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
import software.amazon.awssdk.services.dynamodb.model.AttributeValue;
import software.amazon.awssdk.services.dynamodb.model.CreateTableRequest;
import software.amazon.awssdk.services.dynamodb.model.CreateTableResponse;
import software.amazon.awssdk.services.dynamodb.model.DeleteTableRequest;
import software.amazon.awssdk.services.dynamodb.model.DeleteTableResponse;
import software.amazon.awssdk.services.dynamodb.model.DescribeTableRequest;
import software.amazon.awssdk.services.dynamodb.model.DescribeTableResponse;
import software.amazon.awssdk.services.dynamodb.model.GlobalSecondaryIndex;
import software.amazon.awssdk.services.dynamodb.model.KeySchemaElement;
import software.amazon.awssdk.services.dynamodb.model.Projection;
import software.amazon.awssdk.services.dynamodb.model.ProvisionedThroughput;
import software.amazon.awssdk.services.dynamodb.model.PutItemRequest;
import software.amazon.awssdk.services.dynamodb.model.PutItemResponse;
import software.amazon.awssdk.services.dynamodb.model.ScanRequest;
import software.amazon.awssdk.services.dynamodb.model.ScanResponse;
import software.amazon.awssdk.services.dynamodb.model.TableDescription;
import software.amazon.awssdk.services.dynamodb.model.TableStatus;
import software.amazon.awssdk.services.dynamodb.model.AmazonDynamoDbException;

public class DynamoDBTest {

    private DynamoDbClient dynamoDbClient;

    public DynamoDBTest(DynamoDbClient dynamoDbClient) {
        this.dynamoDbClient = dynamoDbClient;
    }

    public void createTable(String tableName, String gsiName) {
        CreateTableRequest createTableRequest = CreateTableRequest.builder()
                .tableName(tableName)
                .keySchema(KeySchemaElement.builder().attributeName("id").keyType("HASH").build())
                .attributeDefinitions(AttributeDefinition.builder().attributeName("id").attributeType("N").build())
                .provisionedThroughput(ProvisionedThroughput.builder()
                        .readCapacityUnits(5L)
                        .writeCapacityUnits(5L)
                        .build())
                .globalSecondaryIndexes(GlobalSecondaryIndex.builder()
                        .indexName(gsiName)
                        .keySchema(KeySchemaElement.builder().attributeName("name").keyType("HASH").build())
                        .projection(Projection.builder().projectionType("ALL").build())
                        .provisionedThroughput(ProvisionedThroughput.builder()
                                .readCapacityUnits(5L)
                                .writeCapacityUnits(5L)
                                .build())
                        .build())
                .build();

        CreateTableResponse createTableResponse = dynamoDbClient.createTable(createTableRequest);
        System.out.println("Table created: " + createTableResponse.tableDescription().tableName());
    }

    public void deleteTable(String tableName) {
        DeleteTableRequest deleteTableRequest = DeleteTableRequest.builder()
                .tableName(tableName)
                .build();

        DeleteTableResponse deleteTableResponse = dynamoDbClient.deleteTable(deleteTableRequest);
        System.out.println("Table deleted: " + deleteTableResponse.tableDescription().tableName());
    }

    public void putItem(String tableName, String gsiName) {
        Map item = new HashMap<>();
        item.put("id", AttributeValue.builder().n("1").build());
        item.put("name", AttributeValue.builder().s("John").build());

        PutItemRequest putItemRequest = PutItemRequest.builder()
                .tableName(tableName)
                .item(item)
                .build();

        PutItemResponse putItemResponse = dynamoDbClient.putItem(putItemRequest);
        System.out.println("Item added: " + putItemResponse.attributes());

        // Wait for GSI to be updated
        while (true) {
            DescribeTableRequest describeTableRequest = DescribeTableRequest.builder()
                    .tableName(tableName)
                    .build();

            DescribeTableResponse describeTableResponse = dynamoDbClient.describeTable(describeTableRequest);
            TableDescription tableDescription = describeTableResponse.table();

            if (tableDescription.tableStatus() == TableStatus.ACTIVE) {
                System.out.println("GSI updated");
                break;
            }

            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    public void scanTable(String tableName) {
        ScanRequest scanRequest = ScanRequest.builder()
                .tableName(tableName)
                .build();

        ScanResponse scanResponse = dynamoDbClient.scan(scanRequest);
        System.out.println("Scanned items: " + scanResponse.items());
    }

    public

相关内容

热门资讯

【NI Multisim 14...   目录 序言 一、工具栏 🍊1.“标准”工具栏 🍊 2.视图工具...
银河麒麟V10SP1高级服务器... 银河麒麟高级服务器操作系统简介: 银河麒麟高级服务器操作系统V10是针对企业级关键业务...
不能访问光猫的的管理页面 光猫是现代家庭宽带网络的重要组成部分,它可以提供高速稳定的网络连接。但是,有时候我们会遇到不能访问光...
AWSECS:访问外部网络时出... 如果您在AWS ECS中部署了应用程序,并且该应用程序需要访问外部网络,但是无法正常访问,可能是因为...
Android|无法访问或保存... 这个问题可能是由于权限设置不正确导致的。您需要在应用程序清单文件中添加以下代码来请求适当的权限:此外...
北信源内网安全管理卸载 北信源内网安全管理是一款网络安全管理软件,主要用于保护内网安全。在日常使用过程中,卸载该软件是一种常...
AWSElasticBeans... 在Dockerfile中手动配置nginx反向代理。例如,在Dockerfile中添加以下代码:FR...
AsusVivobook无法开... 首先,我们可以尝试重置BIOS(Basic Input/Output System)来解决这个问题。...
ASM贪吃蛇游戏-解决错误的问... 要解决ASM贪吃蛇游戏中的错误问题,你可以按照以下步骤进行:首先,确定错误的具体表现和问题所在。在贪...
月入8000+的steam搬砖... 大家好,我是阿阳 今天要给大家介绍的是 steam 游戏搬砖项目,目前...