# Testing components

| [cDataset](https://help.qlik.com/talend/r/en-US/7.3/mediation-components/mediation-testing/cdataset) | Creates a new dataset or reference an existing dataset to send or receive<br>messages. |
| --- | --- |
| [cMock](https://help.qlik.com/talend/r/en-US/7.3/mediation-components/mediation-testing/cmock) | Simulates message generation and message endpoints for testing Routes and<br>mediation rules. |