[Solved] What is the main purpose of using @WebMvcTest in Spring Boot testing? — Ans: To test only the web layer (controllers) without starting the full application... | Spring Boot

Spring Boot - Testing Spring Boot Applications

What is the main purpose of using @WebMvcTest in Spring Boot testing?

ATo test only the web layer (controllers) without starting the full application context

BTo test the entire Spring Boot application including database and services

CTo perform integration testing with real HTTP calls

DTo test only the service layer without controllers

Step-by-Step Solution

Solution:

Step 1: Understand the role of @WebMvcTest
@WebMvcTest is designed to load only the Spring MVC components like controllers, filters, and related configurations, not the full app context.
Step 2: Compare with other test annotations
Unlike @SpringBootTest which loads the full context, @WebMvcTest focuses on controller layer for fast, isolated web tests.
Final Answer:
To test only the web layer (controllers) without starting the full application context -> Option A
Quick Check:
@WebMvcTest = controller-only test [OK]

Quick Trick: Remember @WebMvcTest loads only controllers, not full app [OK]

Common Mistakes:

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What is the main purpose of using @WebMvcTest in Spring Boot testing?