Test Case Optimization Using Tosca’s Test Data Service

✅ Test Case Optimization Using Tosca’s Test Data Service (TDS)

Tricentis Tosca is a model-based testing tool used to automate and manage software tests. One of its key components is the Test Data Service (TDS), which enables centralized, reusable, and dynamic test data management.

Test Case Optimization with Tosca TDS involves using smart, maintainable, and reusable test data to reduce test case duplication, improve maintainability, and increase test execution speed.

🧩 What is Tosca Test Data Service (TDS)?

Tosca TDS is a web-based service that stores and manages test data in a structured way. It allows you to:


Create and retrieve test data during execution

Use the same data across multiple test cases

Avoid hardcoding values in your test steps

Dynamically generate data sets to avoid redundancy


🎯 Why Optimize Test Cases Using TDS?

Benefit Explanation

✅ Reduces duplication Centralized data avoids repetitive data in test steps

🔄 Reusability Same test data can be used across multiple test cases/modules

⚡ Improved performance Minimized data handling and faster test execution

🧩 Data-driven testing Easily manage combinations of test data

🔐 Sensitive data control Mask or separate sensitive data from test logic


🔧 How to Use TDS for Test Case Optimization

1. Define a Test Data Schema in TDS

Use Tosca Commander or TDS UI to define data structures (e.g., Customers, Orders, Products).


2. Create Test Data Records

Populate the schema with reusable data sets (via the TDS web UI or API).


3. Link Test Data to Test Cases

Use Tosca TDS Modules (like TDSGetData) to retrieve test data dynamically at runtime.


plaintext

Copy

Edit

Module: TDSGetData

Inputs:

- Project: MyProject

- Entity: Customer

- Condition: Country='USA'

4. Use TDS Data in Test Steps

Map the returned data to test case variables and use them in test steps.


📊 Example: Optimizing a Customer Registration Test

Traditional Approach:

5 test cases, each with hardcoded customer names, addresses, and emails.


With TDS:

1 reusable test case


Retrieves data from TDS dynamically


Covers the same 5 data variations using data-driven execution


Benefits:

Fewer test cases


No duplication


Centralized control if customer format changes


🧠 Best Practices for Test Case Optimization with TDS

Use TDS for data sets that change frequently (e.g., customer profiles, orders).


Avoid hardcoding any values directly in test cases.


Combine TDS with Tosca’s TestCaseDesign for even more flexibility.


Use conditions and filters when retrieving data to improve test precision.


Keep test data modular and structured (normalize entities).


🔄 Integration & Automation

TDS can be accessed via:


Tosca Commander


REST API (for custom integration)

TestCaseDesign & ExecutionLists

🧠 Summary

Feature Benefit

Centralized test data Avoids duplication and hardcoding

Dynamic retrieval Enables reusable, data-driven test cases

Data filtering Supports optimized, condition-based test execution

TDS + TCD integration Enhances combinatorial test design

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