In this recipe we will write an integration test to verify our plugin correctness. We will replicate the user-driven triggers (usually done through the user interface) using the Dynamics 365 APIs. We will also create the records we are testing, and we change the state of the record. Then, we will verify that the synchronous plugin triggered and executed the expected business logic.

Integration tests like these are valuable when implementing server-side extensions on your Dynamics 365 instance. You will often find yourself changing your plugin, redeploying it, and testing your changes manually. You can automate the last step using the API to streamline the testing part without relying on the web UI.