How to Properly Add Multiple Items to a List in POJO with RestAssured

Learn the correct way to add multiple items to a List in your POJO class using RestAssured, ensuring all data is represented in your output.
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This video is based on the question https://stackoverflow.com/q/66148773/ asked by the user 'Sheikh Rahman' ( https://stackoverflow.com/u/4459027/ ) and on the answer https://stackoverflow.com/a/66149468/ provided by the user 'Wilfred Clement' ( https://stackoverflow.com/u/3190953/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Handling a List of Items in POJO with RestAssured

Using JSON data with Java's Plain Old Java Objects (POJO) can sometimes lead to confusion, especially when working with lists and ensuring that all items are accounted for in the output. If you're working with RestAssured and find that only the last item in your list is appearing, you're not alone. Let's take a closer look at this common issue and how to resolve it.

The Problem

You may have a JSON structure that defines multiple requests, but when you try to convert this into Java objects (POJOs) and send it via RestAssured, only the last item in the requests list gets processed. For instance, when dealing with a sample JSON like:

[[See Video to Reveal this Text or Code Snippet]]

The output only shows the last agency added. This happens because the same instance of the Request class is being reused, which means you are overriding its values with each new addition.

The Solution: Creating Unique Instances per Request**

To fix this issue, it's imperative to create new instances of the Request class for each entry you want to add to the list. Here’s how you can achieve this step-by-step.

1. Define Your POJO Classes

Make sure you have your POJO classes set up correctly. Assuming you're using Lombok for getters and setters, your classes might look like this:

[[See Video to Reveal this Text or Code Snippet]]

2. Creating Unique Request Objects

Instead of reusing the same Request object, create unique instances as shown below:

[[See Video to Reveal this Text or Code Snippet]]

3. Testing Your Implementation

Now, when you run your tests with RestAssured, you should see all the requests correctly represented in the output:

[[See Video to Reveal this Text or Code Snippet]]

4. Expected Output

After making these adjustments, the expected output will include all the requests:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By ensuring that each request object is a unique instance, you will be able to successfully build your list of requests and avoid the pitfalls of reusing object references. The key takeaway here is to always create new instances when dealing with collections in POJOs to ensure data integrity and completeness. Happy coding!

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