How do you correctly declare a mock bean for a Spring service named InventoryService using @MockBean?

easy📝 Syntax Q3 of 15

Spring Boot - Testing Spring Boot Applications

How do you correctly declare a mock bean for a Spring service named InventoryService using @MockBean?

A@Autowired private InventoryService inventoryService;

B@Mock private InventoryService inventoryService;

C@MockBean private InventoryService inventoryService;

D@MockBean private InventoryService inventoryService = new InventoryService();

Step-by-Step Solution

Solution:

Step 1: Use @MockBean annotation
@MockBean is used to create and inject a mock of the bean into the Spring context.
Step 2: Declare the field without initialization
The mock is created by Spring, so no manual instantiation is needed.
Final Answer:
@MockBean private InventoryService inventoryService; -> Option C
Quick Check:
Use @MockBean without manual instantiation [OK]

Quick Trick: Declare @MockBean field without new keyword [OK]

Common Mistakes:

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