05 Requirements Based Testing

Question 1

Requirements

Answer 1

Stakeholders’ needs and desires.

Question 2

RE is about:

Answer 2

Discovering stakeholders’ needs and desires.
Communicating these to system implementers.

Question 3

Environment Assertions

Answer 3

Things in the environment that are true whether or not we ever build the proposed system.

Indicative/Given

Question 4

Requirements (R)

Answer 4

Things in the environment that we wish to be made true by delivering the proposed system.

Optative/Desired

Question 5

Specifications

Answer 5

A precise description of the program’s behavior in order to meet the requirements.

Optative/Desired

Question 6

Requirements and Test Connection/Relationship

Answer 6

As formality increases, tests and requirements become indistinguishable. At the limit, they’re the equivalent.

Question 7

Requirement Based Testing (RBT)

Answer 7

Addresses 2 Major issues:
- Checks the requirements for
» Correctness
» Completeness
» Ambiguity
» Logical Consistency

• Designing a set of test cases
  » For those requirements
  » From a black box perspective.

Question 8

Testing the RBT Approach

Answer 8

1. Validate Requirement
2. Define Test Completion Criteria
3. Design test cases (define logical test cases)
4. Execute Tests
5. Verify test results (pass/fail/improvement)
6. Verify test coverage
7. Manage and track defects/improvements
8. Manage the test library