What is the difference between test case and test scenario?

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What is the difference between test case and test scenario?

Test case and test scenario are both important components of software testing, but they serve different purposes and have distinct characteristics.

A test case is a detailed set of conditions or steps that are designed to verify a specific functionality or behavior of a software application. It is a specific instance of a test, outlining the inputs, expected outputs, and preconditions for executing the test. Test cases are typically written by testers or quality assurance professionals and are used to ensure that the software meets the specified requirements and functions correctly. They are often documented in a test case management tool or spreadsheet and can be executed multiple times to validate the software's behavior.

On the other hand, a test scenario is a high-level description or outline of a test that focuses on a particular aspect or feature of the software. It defines the overall objective or goal of the test and provides a broad overview of the steps or actions that need to be performed to achieve that objective. Test scenarios are usually written by business analysts or domain experts and are used to ensure that the software meets the desired business or user requirements. They are less detailed than test cases and serve as a guide for creating specific test cases.

In summary, the main difference between test case and test scenario lies in their level of detail and purpose. Test cases are more specific and detailed, outlining the steps and conditions for executing a particular test, while test scenarios are broader and provide an overview of the objectives and actions required to test a specific aspect of the software. Both test cases and test scenarios are essential for effective software testing and quality assurance, as they help identify and address any defects or issues in the software before it is released to the end-users.