How can you validate multiple response headers in REST Assured?

• A. Using the headers() method with each header checked separately.
• B. Using a combined headers() method to check all at once.
• C. By iterating over the response headers.
• D. By using only the status code without headers validation.

Answer: (A)

The ability to validate multiple response headers in REST Assured can indeed be achieved effectively through the headers() method, which provides a mechanism to retrieve and assert the values of multiple headers simultaneously. With this approach, you can specify each header that you want to check, thereby allowing for concise and clear validation of expected header values in a response.

Using the headers() method empowers testers to focus on each header’s specific values and characteristics, enabling you to ensure that the API is returning the correct information through its headers. This method also enhances readability and maintainability of the test code, as each assertion can be clearly understood in context.

The alternatives don't provide the same level of precision or effectiveness. For instance, the notion of using a combined headers() method to check all headers at once does not align with REST Assured's standard approach, as each header generally requires individual validation for clarity in ensuring correctness. Iterating over response headers may be useful in certain contexts, but it typically lacks the straightforwardness and clarity that explicit assertions offer. Finally, relying only on the status code ignores critical validation practices involving headers, which can provide essential insights about the response beyond mere success or error codes.