Test Case vs Test Scenario

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Test Case vs Test Scenario

Test cases are detailed steps used to test a specific part of an application, while test scenarios are broader ideas or features that need to be tested. Test cases are created from test scenarios, and test scenarios are usually based on documents like the SRS (Software Requirement Specification) or BRS (Business Requirement Specification).

Test cases provide thorough, step-by-step testing and are useful for detailed checks, but they take more time and resources. Test scenarios are more high-level and better suited for quick, agile testing. In short, test cases focus on how and what to test, while test scenarios focus only on what to test.

What is a Test Case ?

Test cases are step by step actions used to check specific features or functions of a software application. Each test case includes test data, steps to follow, preconditions, and expected results. They are usually created from test scenarios and help ensure thorough testing. Test cases are detailed, take more time and resources, and are considered low-level testing activities.

Example of Test Case:

Below are some examples of test cases:

  • Check the behavior of the system when an invalid user id and invalid password are entered.
  • Check the behavior of the system when a valid user id and valid password are entered.
  • Check the behavior of the system when a valid user id and invalid password are entered.
  • Check the behavior of the system when an invalid user id and valid password are entered.
  • Check the system behavior when 'Keep me signed in' is selected.


What is a Test Scenario ?

A test scenario is a high-level description of what needs to be tested in a software application. It represents a group of related test cases that help the testing team check both positive and negative behaviors of a feature. 

Test scenarios are usually written as simple, one-line statements that cover end-to-end functionality, making them easy to understand and maintain. They help save time by focusing on key areas of the application and are especially useful in Agile environments where quick and flexible testing is needed.

Example of Test Scenario:

  1. Check the payment functionality.
  2. Check the login functionality.
  3. Check whether authentication works properly.
  4. Check whether the demo works as expected.
  5. Check the search functionality.

Parameters

Test Case

Test Scenarios

DefinitionTest cases contain definite test steps, data, and expected outcomes for testing all the features of the software under test.A test scenario is a high-level document that describes end-to-end functionality to be tested.
Testing focusThey are focused on what to test and how to test.Test scenarios are focused on what to test.
Action LevelThese are low-level actions.These are high-level actions.
PurposeThe aim that is main regarding the test case is to verify the test situation by applying steps.Writing the test scenario's primary objective is an address end to get rid of the functionality of a software program.
Time requirementIt takes more time in comparison to trying circumstances.It will take less time as compared to test cases.
MaintenanceThe test cases are hard to maintain.Test scenarios are really easy to maintain due to their high-level design.
Way of testingTest case helps in exhaustive testing of the application.Test scenario helps in agile way of testing of the application.
Resource requirementto write the test, we need extra resources to generate and do test situations.Fewer resources are sufficient to write test scenarios.
Derived from documentsTest cases are derived from test scenarios.Test scenarios are usually derived from documents like SRS, BRS, etc.
AmbiguityThere is no ambiguity in test cases as they define test steps, prerequisites, and expected outcomes.Test scenarios can be ambiguous as these are one-liners.
In short, test scenarios show what to test, giving a big-picture view, while test cases explain how to test with detailed steps. Test scenarios save time and keep testing organized, and test cases make sure everything is tested thoroughly. Both are important for good testing.

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