Test Case Design and Scenario Design
Test Case Identification
The process of identifying test cases by outlining the conditions under which a test can be designed and determining the purpose of each test. It involves understanding the application's functionality, features, and the potential user interactions to outline possible test cases.
Test Case Specifications
Detailed documentation of a test case that includes the test case ID, description, preconditions, postconditions, steps to execute, expected results, and actual results. It provides a blueprint for testers to follow during the testing process.
Test Coverage
A metric that measures the amount of testing performed by a set of tests. It determines which parts of the software have been executed by the tests and helps in identifying areas that have not been tested. Test coverage aims to ensure that all aspects of the software are tested, reducing the risk of defects.
Traceability Matrix
A document that connects the requirements to the test cases, ensuring that all requirements of the software are covered by tests. It helps in identifying any missing tests and ensures that all functional and non-functional requirements are verified.
Test Scenario Design
Positive Testing
Designing test scenarios that validate the system works as expected when given valid input. It verifies that the software behaves as per the requirements under positive conditions.
Negative Testing
Creating test scenarios for invalid input or conditions to ensure the software can handle such situations gracefully. This includes testing for errors, exceptions, and boundary conditions that are outside the normal operational requirements.
Error Handling
Designing test scenarios to verify that error messages are displayed correctly in case of failures and the application does not crash. It ensures that the software handles errors and exceptions according to the specified requirements.
Boundary Conditions
Testing the extreme operational capacities of the software, such as the maximum and minimum input values, to ensure it behaves as expected at the boundaries. This helps in identifying any issues that occur at the edge of the software's capabilities.
Test Data Preparation
Test Data Identification
The process of identifying the specific data that will be used to test the system under test. This involves analyzing the test cases and scenarios to determine the types of data needed to execute the tests effectively.
Test Data Creation
Creating or acquiring the data needed for testing. This can involve generating data manually, using automated tools to generate test data, or using existing data that matches the test requirements.
Test Data Relevance
Ensuring that the test data is relevant to the test cases and scenarios. This means that the data should accurately represent the conditions under which the software will be used, including edge cases, normal operating conditions, and error conditions.
Test case and scenario design are critical components of the software testing process, enabling testers to effectively evaluate the software under various conditions and ensuring that the application meets the desired quality standards.
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