Some good places to begin are the GitHub wiki and javadocs for more advanced features. More complex automated tests can be created for APIs with other formats as well-not only JSON. These examples are just a few things you can do with REST Assured. This can come in handy when you want to know how fast an API performs. However, we’ve queried the time, in nanoseconds, that it took to make the request. This request fails as we cannot delete the data on the server hence, the 204 (no content). DELETE REQUESTĭone.then().assertThat().statusCode(204) Note that the corresponding status code for a successful POST request is 201, not 200. The assertion ensures that the data was indeed written successfully. You have successfully created some data on the server. Result.then().assertThat().statusCode(201) // Success RequestSpecification spec = RestAssured.given() POST will enable us to create new resources, and DELETE, as the name suggests, will delete a resource. Therefore, we don’t have to build one from scratch. ReqRes simulates an API with fake data, yet real responses. Other syntactic sugar you may encounter includes given, and, then, and expect.Īt this point, we will perform POST and DELETE requests using ReqRes. It is simple to understand, as it is closer to natural speech. There are a couple of things to notice here. Response.then().assertThat().statusCode(401) //This passes Response.then().assertThat().statusCode(200) //This fails Response response = RestAssured.get(link) As expected, REST Assured will validate our query by comparing the expected outcome and the result from the API query using assertion. This request fails with a 401 status code because the Spotify API expects a token. With the setup complete, let’s create a Java test class for the Spotify API, without providing a token. In the examples that follow, we’ll work with only JSON, although Rest Assured supports XML as well. Optionally, you can download REST Assured and the needed dependencies from here. Check out GitHub to include only one of the two paths. Note that the method above includes both XmlPath and JsonPath. Gradle users need to add this line: testCompile 'io.rest-assured:rest-assured:3.1.0' There are several ways to get REST Assured set up, which makes it easy to use the framework in any of your projects. In the examples that follow, we will explore REST Assured and find out exactly how to use it in API testing. For Uber, Lyft, and Airbnb, Google Maps is critical. Many services we use daily would be affected, as their core functionality requires Google Maps. They are expected to be up all the time, to have a reasonable response time, and handle load efficiently. API testing is challenging, but must be done right. In this age when companies are constantly delivering services over RESTful APIs, API testing is becoming increasingly important in development. It supports validation of multiple request formats and has very intuitive syntax that makes it easy to learn. REST Assured is a Java domain-specific language that simplifies the process of testing and validating REST services built on top of HTTP Builder. REST Assured is an API test framework that you will find extremely helpful in this situation. What tools do you use for the test or series of tests? Even if you haven’t designed an API, you may need to test an API you’re considering using in a project. You next need to test the API to ensure it functions as expected. But your work is not done when building is completed. Building it is probably the easiest part. Building and maintaining an API is much like any application.
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