Describe the Best Practices for Unit Testing in Apex. PLATFORM-DEVELOPER-II Practice Questions (Page 6)

Questions 26–30

1. 26foundation · easy

   Why is code coverage important in Apex development?

   • AIt improves the performance of the Apex code.
   • BIt is required for all Apex classes to be deployed.
   • CIt ensures that all code paths are tested, reducing the risk of bugs.
   • DIt reduces the number of governor limits used by the code.
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2. 27foundation · easy

   Which method is used to register a mock callout implementation in a test?

   • ATest.setCalloutMock(mockInstance)
   • BHttp.setMock(mockInstance)
   • CTest.mockCallout(mockInstance)
   • DTest.setMock(HttpCalloutMock.class, mockInstance)
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4. 28foundation · easy

   What is the purpose of using a try-catch block in an Apex test?

   • ATo prevent the test from failing when an exception occurs.
   • BTo improve the performance of the test.
   • CTo ensure that the test runs as a specific user.
   • DTo verify that a specific exception is thrown by the code under test.
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5. 29foundation · easy

   What is the purpose of the HttpCalloutMock interface in Apex testing?

   • ATo log HTTP callouts for debugging purposes.
   • BTo make real HTTP callouts to external services during tests.
   • CTo increase the timeout for HTTP callouts.
   • DTo simulate HTTP callout responses so that tests do not make real network requests.
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6. 30foundation · easy

   Why should Apex tests not rely on data that exists in the production org?

   • ABecause production data is encrypted and cannot be read.
   • BBecause production data may change, making tests unreliable.
   • CBecause production data is not accessible from test methods.
   • DBecause production data is too large to be used in tests.
   Reveal Solution Discussion Select an answer first