Describe the Best Practices for Unit Testing in Apex. PLATFORM-DEVELOPER-II Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   What is the purpose of Test.getLimitQueries() in an Apex test?

   • ATo reset the SOQL query count.
   • BTo retrieve the current number of SOQL queries used.
   • CTo retrieve the maximum number of SOQL queries allowed in a transaction.
   • DTo check if the SOQL query limit has been exceeded.
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2. 12expert · medium

   A developer is testing a class that makes a callout to an external service and then updates a record based on the response. The class handles both success and failure responses. The developer wants to achieve high coverage. Which test approach is most effective?

   • AUse System.runAs() to run the callout as a user with API access.
   • BCreate two mock callouts: one for success and one for failure, and test both paths.
   • CUse a single mock callout that returns a success response and test the update logic.
   • DUse Test.startTest() and Test.stopTest() to execute the callout synchronously.
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4. 13foundation · easy

   Why is it important to test Apex code as a standard user rather than as the system administrator?

   • ATo verify that the code respects record sharing and field-level security.
   • BTo ensure the code runs faster for standard users.
   • CTo ensure the code can be deployed to production without errors.
   • DTo avoid hitting governor limits that only apply to administrators.
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5. 14foundation · easy

   Which annotation is used to define a method that runs once before any test methods in a test class?

   • A@beforeTest
   • B@isTest
   • C@setup
   • D@testSetup
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6. 15expert · medium

   A developer is testing a method that performs a DML operation and then calls another method that may throw an exception. The test must verify that the exception is thrown and that the DML operation is rolled back. Which test pattern should the developer use?

   • AUse a try-catch block, assert the exception, and verify the DML was rolled back by querying the record.
   • BUse System.runAs() to execute the method as a user without DML permissions.
   • CUse Test.startTest() and Test.stopTest() to isolate the exception.
   • DAnnotate the test method with @isTest(expectedException=SomeException.class).
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