What is Test Case Design in Tosca?

What is Test Case Design in Tosca?

Test Case Design (TCD) in Tricentis Tosca is a feature that helps you create multiple test cases quickly and efficiently by using combinations of test data.

Instead of creating test cases one by one, TCD lets you design them logically and data-driven.

🔹 Purpose of Test Case Design

  • Reduce manual effort

  • Increase test coverage

  • Handle positive and negative scenarios

  • Enable data-driven testing

  • Keep test logic and test data separate

🔹 Key Concepts in Tosca TCD

TermMeaning
Test Case Design SheetA table that holds test conditions and combinations
Test SheetMain table to design test data combinations
AttributesColumns in the sheet (e.g., Username, Password)
ValuesPossible data for each attribute
CombinationsAutomatically generated test cases from attribute values

🔹 How It Works (Step-by-Step)

  1. Create a TestSheet
    This is where you define the attributes (inputs, expected results).

  2. Add attributes and values
    For example:

    • Attribute: Login Status → Values: Valid, Invalid

    • Attribute: Browser → Values: Chrome, Firefox

  3. Generate combinations
    Tosca can create:

    • All combinations (full coverage)

    • Pairwise combinations (minimal but effective coverage)

    • Manual combinations (you define specific ones)

  4. Link to test case template
    Connect your TCD sheet to a template test case. This test case uses variables instead of fixed values.

  5. Create instances
    Tosca generates real test cases from the combinations.

🔹 Example

Let’s say you want to test login functionality.

UsernamePasswordExpected Result
valid_uservalid_passSuccess
invalid_uservalid_passFailure
valid_userinvalid_passFailure

With Test Case Design, Tosca can auto-generate all these cases in minutes.

🔹 Benefits of Using TCD in Tosca

  • Saves time by avoiding duplicate work

  • Makes test maintenance easier

  • Enables data-driven automation

  • Supports better test coverage with fewer test cases

✅ Summary

FeatureDescription
TCDA Tosca module for designing test logic and data combinations
Use CaseCreate test cases based on data conditions
BenefitFaster, smarter test case creation and maintenance
OutputData-driven, reusable, and efficient test cases



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