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Published: Jan 15, 2018 License: Apache-2.0 Imports: 1 Imported by: 0



Package cognitosynciface provides an interface to enable mocking the Amazon Cognito Sync service client for testing your code.

It is important to note that this interface will have breaking changes when the service model is updated and adds new API operations, paginators, and waiters.



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type CognitoSyncAPI

type CognitoSyncAPI interface {
	BulkPublishRequest(*cognitosync.BulkPublishInput) cognitosync.BulkPublishRequest

	DeleteDatasetRequest(*cognitosync.DeleteDatasetInput) cognitosync.DeleteDatasetRequest

	DescribeDatasetRequest(*cognitosync.DescribeDatasetInput) cognitosync.DescribeDatasetRequest

	DescribeIdentityPoolUsageRequest(*cognitosync.DescribeIdentityPoolUsageInput) cognitosync.DescribeIdentityPoolUsageRequest

	DescribeIdentityUsageRequest(*cognitosync.DescribeIdentityUsageInput) cognitosync.DescribeIdentityUsageRequest

	GetBulkPublishDetailsRequest(*cognitosync.GetBulkPublishDetailsInput) cognitosync.GetBulkPublishDetailsRequest

	GetCognitoEventsRequest(*cognitosync.GetCognitoEventsInput) cognitosync.GetCognitoEventsRequest

	GetIdentityPoolConfigurationRequest(*cognitosync.GetIdentityPoolConfigurationInput) cognitosync.GetIdentityPoolConfigurationRequest

	ListDatasetsRequest(*cognitosync.ListDatasetsInput) cognitosync.ListDatasetsRequest

	ListIdentityPoolUsageRequest(*cognitosync.ListIdentityPoolUsageInput) cognitosync.ListIdentityPoolUsageRequest

	ListRecordsRequest(*cognitosync.ListRecordsInput) cognitosync.ListRecordsRequest

	RegisterDeviceRequest(*cognitosync.RegisterDeviceInput) cognitosync.RegisterDeviceRequest

	SetCognitoEventsRequest(*cognitosync.SetCognitoEventsInput) cognitosync.SetCognitoEventsRequest

	SetIdentityPoolConfigurationRequest(*cognitosync.SetIdentityPoolConfigurationInput) cognitosync.SetIdentityPoolConfigurationRequest

	SubscribeToDatasetRequest(*cognitosync.SubscribeToDatasetInput) cognitosync.SubscribeToDatasetRequest

	UnsubscribeFromDatasetRequest(*cognitosync.UnsubscribeFromDatasetInput) cognitosync.UnsubscribeFromDatasetRequest

	UpdateRecordsRequest(*cognitosync.UpdateRecordsInput) cognitosync.UpdateRecordsRequest

CognitoSyncAPI provides an interface to enable mocking the cognitosync.CognitoSync service client's API operation, paginators, and waiters. This make unit testing your code that calls out to the SDK's service client's calls easier.

The best way to use this interface is so the SDK's service client's calls can be stubbed out for unit testing your code with the SDK without needing to inject custom request handlers into the SDK's request pipeline.

// myFunc uses an SDK service client to make a request to
// Amazon Cognito Sync.
func myFunc(svc cognitosynciface.CognitoSyncAPI) bool {
    // Make svc.BulkPublish request

func main() {
    cfg, err := external.LoadDefaultAWSConfig()
    if err != nil {
        panic("failed to load config, " + err.Error())

    svc := cognitosync.New(cfg)


In your _test.go file:

// Define a mock struct to be used in your unit tests of myFunc.
type mockCognitoSyncClient struct {
func (m *mockCognitoSyncClient) BulkPublish(input *cognitosync.BulkPublishInput) (*cognitosync.BulkPublishOutput, error) {
    // mock response/functionality

func TestMyFunc(t *testing.T) {
    // Setup Test
    mockSvc := &mockCognitoSyncClient{}


    // Verify myFunc's functionality

It is important to note that this interface will have breaking changes when the service model is updated and adds new API operations, paginators, and waiters. Its suggested to use the pattern above for testing, or using tooling to generate mocks to satisfy the interfaces.

Source Files

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