What is the difference between a test case and a test scenario?

1 Test case

A test case is a set of specific inputs, actions, and expected outputs that are used to verify the functionality and quality of a software feature or system. A test case usually has a unique identifier, a description, a precondition, a postcondition, a test data, a test procedure, and a test result. A test case is designed to check whether the software meets the requirements and specifications, and whether it handles errors and exceptions properly. A test case can be executed manually or automatically, depending on the tools and methods available.

2 Test scenario

A test scenario is a high-level description of the end-to-end user flow or business process that is tested by one or more test cases. A test scenario usually has a name, an objective, a scope, and a list of test cases. A test scenario is designed to simulate how a real user or customer would interact with the software in different situations and contexts. A test scenario can cover multiple features or functions of the software, and can involve different types of testing, such as functional, usability, performance, security, etc.

3 Difference between test case and test scenario

The main difference between a test case and a test scenario is the level of detail and granularity. A test case is more detailed and specific, while a test scenario is more general and abstract. A test case focuses on verifying the individual functionality and quality of the software, while a test scenario focuses on validating the overall user experience and business value of the software. A test case can be written and executed independently, while a test scenario can be composed of multiple test cases that are related and dependent. A test case can be reused and modified for different test scenarios, while a test scenario can be customized and adapted for different test environments and requirements.

4 Benefits of test case and test scenario

Test cases and test scenarios are both important and useful for application testing and debugging, each offering different benefits and advantages depending on the goals of the testing process. Test cases ensure that the software meets expected functionality and quality standards, help to identify and fix bugs, provide a clear way of documenting and reporting results, and facilitate automation and optimization of the testing process. Test scenarios ensure that the software meets user and business expectations, evaluate and improve usability and performance, provide a comprehensive way of testing in various scenarios, and facilitate communication and collaboration among the testing team and stakeholders.

5 How to create test case and test scenario

Creating effective and efficient test cases and test scenarios requires more than a one-size-fits-all approach. To start, analyze the requirements and specifications of the software, as well as the testing objectives and scope. Identify the features and functions of the software that need to be tested and the criteria and metrics that need to be measured. Define the test scenarios based on user flows and business processes, then define test cases based on inputs, actions, and outputs. It's important to prioritize and organize the test cases and scenarios according to risk, complexity, and importance. Review and validate them with the testing team and stakeholders, making any necessary changes or improvements. Finally, execute and monitor these tests, recording and reporting results and feedback.

6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?