The Representational State Transfer (REST) uses the HTTP request method, and the most popular are GET, POST, PUT and DELETE. Responses to these requests return status codes indicating success or failure as well as any applicable headers, and JSON representing the affected fields (or nothing) in the message body. The following sections describe how you can easily write a JMeter script with one of these methods.
GET REQUEST METHOD
1. Add an HTTP Request to your Thread Group.
2. Fill in the Protocol, Server Name or IP, Path, and choose GET method.
For example, we use
https for Protocol
jsonplaceholder.typicode.com for Server Name
/todos/1 for Path
4. Add View Results Tree, and run your script. The following show the Sampler result, Request, and Response data.
POST REQUEST METHOD
In POST requests, you can fill in both the body and the headers. You can also specify query parameters in path. The HTTP headers, which contain metadata, are tightly defined by the HTTP spec. They can only contain plain text and must be formatted in a certain manner. To specify headers, you’ll need the HTTP Header Manager, and the most common headers are Content-Type and Accept.
- The Content-Type entity-header field indicates the media type of the entity-body sent to the recipient.
- Accept can be used to specify certain media types that are acceptable for the response. You can use a user agent to simulate different browsers' behaviors.
Post Body can be useful for the following requests: GWT RPC HTTP, JSON REST HTTP, XML REST HTTP, and SOAP HTTP Request.
For instance, we use the server name:
<?xml version="1.0" encoding="utf-8"?>
Content-Type text/xml; charset=utf-8
You can configure other requests (similar to GET and POST) using required methods, path, parameters, or body and headers.
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