A test-case is a set of conditions for evaluating a particular feature of a software product. Basically, test cases help in determining the compliance of an application with its business requirements.
Whereas a test scenario is generally a one-line statement describing a feature of the application to be tested. It is used for end-to-end testing of a feature. Usually, it is derived from the use cases.
Test Case vs Test Scenario
| Test Case | Test Scenario |
|---|---|
| A test case contains clearly defined test steps for testing a feature of an application. | A test scenario contains a high-level documentation, describing an end-to-end functionality to be tested. |
| Test cases focus on “what to test” and “how to test”. | Test scenarios just focus on “what to test”. |
| These have clearly defined step, pre-requisites, expected results etc. Hence, there is no ambiguity. | Test scenarios are generally one-liner. Hence, there is always possibility of ambiguity during testing. |
| Test cases can be derived from test scenarios. They have many to one relationship with the test scenarios. | These are derived from use cases. |
| Test cases are efficient in exhaustive testing of application. | Test scenarios are beneficial in quick testing of end-to-end functionality of the application. |
| More resources are required for documentation and execution of test cases. | Relatively less time and resources are required for creating and testing using scenarios. |
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