winterbaume-cognitosync

AWS Cognito Sync service implementation for winterbaume.

Coverage

Metric	Value
Service	Cognito Sync
AWS model	cognito-sync
Protocol	restJson1
winterbaume coverage	11/17 operations (64.7%)
stubs (routed, returns empty/default)	0/17 operations (0.0%)
moto coverage	0/17 operations (0.0%)
floci coverage	0/17 operations (0.0%)
kumo coverage	0/17 operations (0.0%)
Coverage report date	2026-05-13

Server-mode usage

Start winterbaume-server and point the AWS CLI at it:

cargo run -p winterbaume-server -- --host 127.0.0.1 --port 5555

export AWS_ENDPOINT_URL=http://localhost:5555
aws cognitosync help

Example

use aws_sdk_cognitosync::config::BehaviorVersion;
use aws_sdk_cognitosync::types::{Operation as PatchOp, RecordPatch};
use winterbaume_cognitosync::CognitoSyncService;
use winterbaume_core::MockAws;

#[tokio::main]
async fn main() {
    let mock = MockAws::builder()
        .with_service(CognitoSyncService::new())
        .build();

    let config = aws_config::defaults(BehaviorVersion::latest())
        .http_client(mock.http_client())
        .credentials_provider(mock.credentials_provider())
        .region(aws_sdk_cognitosync::config::Region::new("us-east-1"))
        .load()
        .await;

    let client = aws_sdk_cognitosync::Client::new(&config);
    client
        .update_records()
        .identity_pool_id("us-east-1:demo")
        .identity_id("us-east-1:demo-identity")
        .dataset_name("my-dataset")
        .sync_session_token("session-1")
        .record_patches(
            RecordPatch::builder()
                .op(PatchOp::Replace)
                .key("score")
                .value("42")
                .sync_count(0)
                .build()
                .expect("patch"),
        )
        .send()
        .await
        .expect("update_records");
    let resp = client
        .list_records()
        .identity_pool_id("us-east-1:demo")
        .identity_id("us-east-1:demo-identity")
        .dataset_name("my-dataset")
        .send()
        .await
        .expect("list_records");
    for r in resp.records() {
        println!("Record: {:?} = {:?}", r.key(), r.value());
    }
}

Implemented APIs (11)

• BulkPublish
• DeleteDataset
• DescribeDataset
• DescribeIdentityUsage
• GetBulkPublishDetails
• GetCognitoEvents
• ListDatasets
• ListRecords
• RegisterDevice
• SetCognitoEvents
• UpdateRecords

Not yet implemented APIs (6)

• DescribeIdentityPoolUsage
• GetIdentityPoolConfiguration
• ListIdentityPoolUsage
• SetIdentityPoolConfiguration
• SubscribeToDataset
• UnsubscribeFromDataset