Error Handling and Debugging in Tosca

 Error Handling and Debugging in Tosca: A Tester’s Guide

When working with Tricentis Tosca, error handling and debugging play a crucial role in creating stable and maintainable automated test cases. Since Tosca is a no-code/low-code platform, testers must rely on its built-in features to manage unexpected behaviors and failures during test execution.

In this blog, we’ll explore how to effectively handle errors and debug test cases in Tosca.


Understanding Errors in Tosca

Tosca test cases may fail for several reasons, including:

  • Application Under Test (AUT) changes
  • Dynamic controls
  • Data mismatches
  • Timing issues or loading delays

The first step in debugging is identifying the root cause of the failure using Tosca's detailed logs and execution reports.


Debugging with Tosca Tools

1. Execution Logs

Tosca generates detailed logs after each execution. These logs include:

  • Test step outcomes
  • Error messages
  • Control properties

Use the ExecutionLog window to drill down into failing test steps and understand what went wrong.


2. Breakpoints and Step-by-Step Execution

Tosca allows testers to insert breakpoints in test cases and run them in debug mode. This helps:

  • Pause execution at specific steps
  • Inspect control states
  • Manually verify expected behaviors


3. TestStep Watch

Use the TestStep Watch to monitor variable values and expressions during execution. This is particularly useful when dealing with buffered values or dynamic data.


Error Handling Techniques

1. Try-Catch Blocks

Tosca provides Try-Catch mechanisms using conditions and business logic modules. These allow you to:

  • Skip test steps upon failure
  • Execute alternative flows
  • Log custom error messages


2. Verification Points

Always add verification steps to validate if an element is present or enabled before interacting with it. This reduces unexpected failures.


3. WaitOn and Synchronization

Use WaitOn, WaitFor, or dynamic synchronization to ensure controls are fully loaded before performing actions. This minimizes timing-related errors.


Conclusion

Effective error handling and debugging in Tosca are essential for building robust test automation. By leveraging Tosca's built-in tools like logs, breakpoints, and test condition handling, testers can reduce test flakiness, save time, and ensure reliable results. Mastering these techniques will help you maintain test stability even as your application evolves.

Learn Tosca Training in Hyderabad

Read More: 

Tosca’s Test Configuration Parameters (TCPs)

Using Tosca XScan for Module Creation

Tosca ExecutionLists: Managing Test Runs

Tosca Reporting: Standard and Custom Reports

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