Tosca Steering Parameters: Use Cases and Tips

 🔧 What Are Steering Parameters?

Steering Parameters are key-value pairs used to fine-tune the interaction between Tosca and various UI technologies. You can set them:


At the TestStep or Module level


Globally, via the Settings or TBox framework


Through ExecutionLists


For specific controls or elements


✅ Use Cases

1. Improve Stability of Test Execution

Example: Slow-loading applications can cause Tosca to fail due to timeouts.


Steering Parameter: WaitOn = True


Tells Tosca to wait for an element to become available before interacting.


2. Control Click Behavior on Web Applications

Example: A button requires a JavaScript event to trigger on mouse down instead of click.


Steering Parameter: ClickType = MouseDown


3. Handle Custom or Complex Controls

Example: A custom dropdown component that isn't recognized.


Steering Parameter: ControlRecognition = DeepScan


4. Modify Execution for Specific Browsers

Example: Internet Explorer behaves differently from Chrome.


Steering Parameter: BrowserType = Chrome / IE


Ensures compatibility and better element recognition.


5. Avoid Unexpected Popups or Overlays

Example: Hover overlays block elements.


Steering Parameter: SuppressHover = True


💡 Tips for Using Steering Parameters

Use Sparingly: Only use them when needed — overuse can make maintenance harder.


Set at the Right Level:


Module = affects all instances.


TestStep = for one-time adjustments.


Use Descriptive Comments: Document why a parameter was added.


Check Logs: Tosca logs can show if parameters are applied and help debug issues.


Leverage Tosca XScan: To discover supported properties and parameters for elements.


Centralize Common Parameters: Using custom modules or templates makes it easier to manage.


🧰 Common Steering Parameters

Parameter Value Example Description

WaitOn True Wait for control to be ready.

ClickType MouseDown Simulate specific click type.

UseCache False Forces Tosca to re-scan element.

Timeout 30000 (ms) Adjust wait time for control interaction.

MatchIndex 2 Use when multiple elements match.

ControlType Button Override control recognition.

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Working with Tosca Parameters (Buffer, Dynamic Expressions)

Tosca Templates and TestStep Design Patterns

Dynamic Test Cases with Tosca’s TestCase Design

Test Case Optimization Using Tosca’s Test Data Service

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