Tosca Test Configuration Parameters (TCPs)

 Tosca Test Configuration Parameters (TCPs) are a powerful feature in Tricentis Tosca that enhance the flexibility, reusability, and manageability of automated test cases. TCPs allow testers to define and reuse configuration data at various levels — module, test case, or execution — without hardcoding values directly into test steps.

What are Test Configuration Parameters (TCPs)?

TCPs are custom key-value pairs that provide context or settings to a test case or module. Instead of embedding values like URLs, browser types, or credentials directly into test steps, testers can assign them as TCPs and reference them dynamically. This approach promotes data-driven testing and test modularity.

Why Use TCPs?

✅ Improved Reusability: Share parameters across test cases or components.

✅ Environment Flexibility: Easily switch between test environments (Dev, QA, Prod).

✅ Centralized Management: Define once and use across multiple test cases.

✅ Enhanced Maintainability: Update configuration values without changing the test logic.

Levels of TCPs in Tosca

TCPs can be applied at multiple levels, making them versatile:

Project Level – Global parameters used across the project.

Test Case Level – Parameters specific to an individual test case.

Execution List Level – Environment-specific values (like different base URLs or credentials).

Module Level – Reusable parameters tied to specific modules.

How to Define and Use TCPs

Step 1: Create a TCP

Right-click on the Project, TestCase, or ExecutionList → Properties → Add a new property under “TestConfiguration” section.

Step 2: Reference a TCP in Test Steps

Use the syntax "{TCP[ParameterName]}" to refer to the value.

Example:

If you create a TCP named BaseURL, you can reference it in a test step like this:

{TCP[BaseURL]}/login

Tosca will automatically replace it with the actual value during execution.

Best Practices

Use naming conventions for clarity (e.g., Env_Username, URL_API).

Avoid hardcoding sensitive data — use TCPs to secure credentials.

Leverage ExecutionList TCPs for environment-specific configurations.

Conclusion

Test Configuration Parameters in Tosca are essential for building scalable, flexible, and environment-independent test automation suites. By externalizing test data and settings, TCPs simplify maintenance and promote consistency across your testing framework. Whether you’re working with API tests, UI automation, or data-driven scenarios, mastering TCPs can greatly enhance your Tosca automation strategy.

Learn Tosca Training Course

Read More:

Understanding Tosca TestCase Design Section

Tosca Execution Lists Explained

Test Data Management in Tosca

Understanding Tosca Workspaces

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