PD1 Testing, Debugging & Deployment 2

Question 1

Which System.assert method should you use when you want to verify that two values are equal in an Apex test?

Accepted Answer

System.assertEquals(val1, val2)

Answer

System.assertEquals(expected, actual) compares two values and fails the test if they are not equal.

Question 2

What is the minimum test code coverage percentage required to deploy Apex to a Salesforce production org?

Accepted Answer

75%

Answer

Salesforce requires at least 75% aggregate test code coverage across all Apex code to deploy to production.

Question 3

Which class is used to set mock responses for callouts in Apex tests?

Accepted Answer

Test.setMock()

Answer

Test.setMock() registers a mock implementation that intercepts HTTP callouts during test execution.

Question 4

What happens when you run a Salesforce deployment with the 'checkOnly' flag set to true?

Accepted Answer

A validation is performed without saving components

Answer

A checkOnly deployment validates all components and runs tests without persisting any changes to the org.

Question 5

Which annotation marks an Apex method as a test setup method that runs once before any test methods in the class?

Accepted Answer

@testSetup

Answer

@testSetup creates a single set of test data that is rolled back and re-created for each test method.

(PD1) Salesforce Certified Platform Developer 1 Practice Test