<ul><li>Hypermedia APIs provide data and actions, including conditional links, for users based on roles in Spring applications secured by Spring Security.</li><li>To test dynamic behavior of hypermedia controls, Spring offers @WithMockUser for simulating authenticated requests and validating visible links based on roles.</li><li>Using @WithMockUser in testing, developers can ensure that only authorized users see specific links like 'delete' in RESTful APIs.</li><li>The process involves setting up controllers with conditional links, writing tests with @WithMockUser to validate link visibility for different user roles, and following best practices for secure API development.</li></ul>

Testing Conditional Links with @WithMockUser in Spring Security

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