Junior — Middle

What is the role of specifications when using REST Assured for API automation testing?

sobes.tech AI

Answer from AI

In REST Assured, specifications are used for centralized description of common settings and expectations for HTTP requests and responses. This allows reusing configurations such as base URI, headers, parameters, as well as checks for status and response structure, making tests more readable and maintainable.

For example, you can create a request specification with a base URL and headers, and then use it in all tests:

RequestSpecification spec = new RequestSpecBuilder()
    .setBaseUri("https://api.example.com")
    .addHeader("Content-Type", "application/json")
    .build();

given()
    .spec(spec)
.when()
    .get("/users")
.then()
    .statusCode(200);

Thus, specifications help avoid code duplication and simplify API test maintenance.

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