Скачать или смотреть Troubleshooting List Creation with - Values in Robot Framework

Learn how to effectively create lists containing `-` characters in Robot Framework and iterate over them without encountering variable resolution issues.
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This video is based on the question https://stackoverflow.com/q/72042537/ asked by the user 'Sudhansu Mishra' ( https://stackoverflow.com/u/9738926/ ) and on the answer https://stackoverflow.com/a/72042960/ provided by the user 'Jiri Janous' ( https://stackoverflow.com/u/13713938/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Troubleshooting List Creation with - Values in Robot Framework

Creating lists in Robot Framework is an essential task, especially when automating tests, but what if you're facing issues with list elements that contain special characters like -? If you've ever received the dreaded error message stating that a variable isn't found, you are not alone. Let's dive into this common problem and discover a straightforward solution to effectively create and iterate through your lists.

The Problem

When working with Robot Framework, users might try to create lists that include elements with - characters. For instance, the following code attempts to initialize a list with strings that contain this character:

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

However, following this approach usually leads to errors, like this:

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

This error occurs because Robot Framework interprets the - within the variable as an attempt to find another variable instead of recognizing it as part of a standard string.

The Solution

To successfully create lists containing - characters, you must adjust the way you define your variables. Here’s how you can solve this issue effectively:

Step 1: Remove Variable Decorators

Instead of using the ${} syntax to define your list elements, simply write them as strings directly. This prevents Robot Framework from misinterpreting the - as an indication of a variable name.

Step 2: Maintain Proper Formatting

Make sure to maintain the proper indentation and spacing within your code. Robot Framework is sensitive to white space; thus, using double spaces can impact how your lists and loops function.

Correct Example

Here’s the revised example that should perform as expected without any errors:

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

In this corrected version:

The variables are defined without the ${} syntax.

The formatting is followed correctly, allowing the Robot Framework to interpret the strings accurately.

Results

By implementing these changes, you can create lists with elements that include - characters and iterate through them as intended. No more variable resolution issues, and you can focus on your automation!

Conclusion

Creating lists in Robot Framework should be straightforward, but special characters can create challenges. By removing the ${} variable decorators and ensuring proper spacing, you can successfully handle lists that contain hyphens. Implement this method in your test cases to eliminate errors and drive your automation projects forward!