Integration Guide of Rest Assured Framework with Java Class Libraares)

Integration Guide of Rest Assured framework and Java class library REST ASSURED is an open source framework for testing the RESTFUL API. It provides a simple and easy -to -use API that can be used to write powerful and easy to read test scripts.The integration with the Java library enables the data to process data, execute assertions, and process response results more easily during the test. To start the integration of the REST ASSURED framework and the Java class library, you need to follow the following steps: 1. Import the REST ASSURD framework and related dependencies: First, in your Java project, ensure that the relevant dependencies of the REST Assured framework have been added to the construction file (such as Maven or Gradle).You can find the latest version of the dependencies on the official website of REST ASSURED. 2. Create REST Assured Request specification: Use the Rest Assured API to create a request specification. This specification defines the parameters of requests to be sent, such as requesting URL, request body and request type.You can use a chain call to set various request attributes. The following is an example that shows the code that creates the POST request specification: import static io.restassured.RestAssured.given; RequestSpecification requestSpec = given() .contentType("application/json") .body("{ \"name\": \"John\", \"age\": 30 }"); 3. Execute the REST ASSURD request: Use the request specification to execute the request and get the response result.You can send different types of requests with various methods provided by Rest Assured API, such as Get, Post, Put, and Delete. The following is an example that shows the code that sends the post request and receives the response: import static io.restassured.RestAssured.given; Response response = given() .contentType("application/json") .body("{ \"name\": \"John\", \"age\": 30 }") .post("/users"); int statusCode = response.getStatusCode(); String responseBody = response.getBody().asString(); 4. Use the Java library to process response results: Once the response result is obtained, you can use the Java class library (such as JSONPath and XMLPATH) to process and extract data in the response.These libraries provide various methods to resolve responses in JSON and XML formats. The following is an example that shows how to use JSONPATH to extract the data in the response: import static io.restassured.RestAssured.given; import static io.restassured.path.json.JsonPath.from; Response response = given() .contentType("application/json") .body("{ \"name\": \"John\", \"age\": 30 }") .post("/users"); String name = from(response.getBody().asString()).get("name"); int age = from(response.getBody().asString()).get("age"); 5. Execute an assertion operation: Use the Rest Assured assertion method to verify whether the response meets the expectations.The assertion method can be used by chain calling, such as using the `Statuscode ()` method to verify the response status code. The following is an example, showing how to perform an assertion operation: import static io.restassured.RestAssured.given; import static org.hamcrest.Matchers.equalTo; given() .contentType("application/json") .body("{ \"name\": \"John\", \"age\": 30 }") .post("/users") .then() .statusCode(201) .body("name", equalTo("John")) .body("age", equalTo(30)); By following the above steps, you can successfully integrate the REST assured framework and the Java class library in the Java project.This integration method makes the testful API simple and efficient, and can easily handle and verify the response results by using the Java class library.