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An organization has strict unit test requirement that mandate every mule application must have an MUnit test suit with a test case defined for each flow and a minimum test coverage of 80%. A developer is building Munit test suit for a newly developed mule application that sends API request to an external rest API. What is the effective approach for successfully executing the Munit tests of this new application while still achieving the required test coverage for the Munit tests?
Correct Answer: C
* Mocking REST API Invocations: * To ensure the unit tests do not make actual calls to external REST APIs, which can be unreliable and slow, it is best to mock these invocations. Mocking allows you to simulate the behavior of the external API and provide predefined responses. * Achieving Test Coverage: * By mocking the REST API invocations in your MUnit tests, you can focus on testing the logic * within the Mule application itself. This ensures high test coverage and isolates your tests from external dependencies. * Execution of MUnit Tests: * Configure MUnit to return mock responses for the API calls. This enables the MUnit tests to run quickly and consistently, as they are not dependent on the external system's availability or performance. References: * MuleSoft Documentation on MUnit Testing * Best practices for Mocking in MUnit