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Day 12: Working with Multipart Requests

Day 12: Working with Multipart Requests

In Rest Assured, multipart requests are used when you need to send data in a format that includes both binary files (e.g., images, documents) and textual data. Multipart requests allow you to combine different types of data into a single HTTP request. Let's explore multipart requests in Rest Assured in detail.

  1. Sending Files in a Multipart Request:

    2. To send files in a multipart request, you can use the multiPart() method provided by Rest Assured. This method allows you to specify the file to be included in the request. Here's an example of how to send a file in a multipart request:

            
       File file = new File("path/to/file.jpg");

Response response = RestAssured.given()
        .multiPart(file)
        .post("https://api.example.com/upload");

    In the above code, we create a File object representing the file to be uploaded. We then use the multiPart() method to include the file in the request. Finally, we make a POST request to the specified API endpoint. Rest Assured automatically detects that it needs to send the request as a multipart request.

  2. Sending Textual Data in a Multipart Request:

    3. In addition to files, you can also include textual data in a multipart request. Rest Assured provides methods to add form parameters or fields to the multipart request. Here's an example: 

           
       Response response = RestAssured.given()
        .multiPart("name", "John Doe")
        .multiPart("email", "john.doe@example.com")
        .post("https://api.example.com/submit");

    In the above code, we use the multiPart() method to add form parameters to the multipart request. Each multiPart() call specifies a field name and its corresponding value.

  3. Working with Multiple Files and Textual Data:

    4. Rest Assured allows you to include multiple files and textual data in a single multipart request. You can chain multiple multiPart() calls to add multiple files or form parameters. Here's an example:

           
       File file1 = new File("path/to/file1.jpg");
File file2 = new File("path/to/file2.jpg");

Response response = RestAssured.given()
        .multiPart(file1)
        .multiPart(file2)
        .multiPart("name", "John Doe")
        .multiPart("email", "john.doe@example.com")
        .post("https://api.example.com/submit");

    In the above code, we include two files (file1 and file2) and two form parameters (name and email) in the multipart request.

By using the multiPart() method and specifying the files or form parameters, you can easily send multipart requests in Rest Assured. This allows you to handle scenarios where you need to upload files or include both files and textual data in your API requests.

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