Скачать или смотреть How to Parse XML Within CDATA in XML Responses with Postman: Extracting ATTRIBUTE7

In this guide, we will explore how to extract an attribute (`ATTRIBUTE7`) from CDATA nested within XML responses using Postman. Follow this guide to efficiently parse complex XML data.
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This video is based on the question https://stackoverflow.com/q/63999053/ asked by the user 'Al Pazoo Gandhi' ( https://stackoverflow.com/u/14317004/ ) and on the answer https://stackoverflow.com/a/64052724/ provided by the user 'Al Pazoo Gandhi' ( https://stackoverflow.com/u/14317004/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Parsing XML Within CDATA in Postman

When working with XML APIs, you might encounter a scenario where the response contains nested XML data wrapped within CDATA. Extracting specific values from this block of text can be challenging. In this post, we're going to address a common issue: how to extract the ATTRIBUTE7 from a CDATA section in an XML response using Postman.

Understanding the Problem

You may send an XML request to a host, and the response comes back formatted in XML as well, including CDATA sections. The content of these sections is treated as plain text, making it difficult to parse for attributes or elements within the nested XML.

Here’s a simplified context of the challenge:

Your request includes a VASDataString that wraps another XML response.

The response has a similar structure that includes attributes like ATTRIBUTE7 that you wish to extract and store as an environment variable in Postman.

Example Request and Response Structure

Request Example

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

Response Example

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

Proposed Solution: Step-by-Step Guide

Now let’s walk through the solution to extract ATTRIBUTE7 from the nested CDATA section using Postman's test scripts.

Step 1: Parse the Main XML Response

First, you'll need to confirm that you can parse the response body into an easily manageable JSON object using the xml2js library. Here's how you can do it:

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

Step 2: Parse the CDATA Section

Once you have the VASDataString, the next step is to parse this nested XML content:

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

Key Takeaways

Use xml2js to parse both the initial XML and the nested CDATA content.

Store required attribute values as environment variables in Postman using pm.environment.set().

Console logs can help diagnose parsing outcomes for easier debugging.

Wrapping Up

Dealing with XML responses often comes with unique challenges, particularly when CDATA sections are involved. The outlined steps will enable you to extract attributes like ATTRIBUTE7 efficiently. With this new knowledge, you'll be better equipped to handle similar scenarios in your API testing using Postman.

Feel free to reach out if you have any questions or need further assistance!