CH05.L08 . Conclusion
Summary
TLDRThis video script delves into test case design techniques, categorizing them into Black box and White box methods. Black box techniques, like Equivalent Partitioning and Boundary Value Analysis, rely on software specifications without access to internal structures. Decision tables and State transition techniques organize inputs and outputs for effective test case creation. Use case technique utilizes project analysis for function-specific testing. White box techniques, applicable with internal knowledge or source code, include Statement and Decision testing to cover all code paths and decisions. The script emphasizes the importance of understanding software requirements to select the most suitable testing approach.
Takeaways
- 🔍 Black Box Testing Techniques are used when the tester lacks knowledge of the software's internal structure and relies on external specifications.
- 📝 Careful reading of software specifications and requirements is crucial to determine the most suitable testing technique.
- 📊 Equivalent Partitioning is a technique used for creating effective test cases when dealing with a range of data or variables.
- 📈 Boundary Value Analysis complements EP by focusing on the boundaries of data, which is essential for writing test cases.
- 📋 The Decision Table Technique organizes inputs and outputs to assist in writing correct test cases for software with multiple inputs and outputs.
- 🔄 State Transition Technique is used to determine the number of test cases needed for systems with changeable states influenced by events.
- 📌 Use Case Technique applies to test cases creation based on use cases developed during the project analysis stage, focusing on system functions.
- 👁️ White Box Testing Techniques are used when the tester has access to the software's internal structure or source code.
- 📝 Statement Testing aims to execute all lines of code with the least number of test cases possible.
- 🔍 Decision Testing is about writing test cases for all possible code paths, covering both true and false conditions in conditional statements.
- 🔑 The presence of decisions in code, such as 'If', 'Then', 'While', 'Else', is a prerequisite for using Decision Testing.
Q & A
What are the two main types of test case design techniques mentioned in the script?
-The two main types of test case design techniques are Black box testing techniques and White box testing techniques.
Why are Black box testing techniques used?
-Black box testing techniques are used when the tester does not have access to the internal structure of the software and relies on software specifications.
What is the importance of reading the software specifications and requirements before applying Black box testing techniques?
-Reading the software specifications and requirements is crucial to determine which Black box testing technique is most suitable for writing effective test cases.
When is the Equivalent Partitioning technique used in test case design?
-The Equivalent Partitioning technique is used when dealing with a range of data sets, numbers, or variables, to write an effective number of test cases.
What is the primary focus of Boundary Value Analysis in test case design?
-Boundary Value Analysis focuses on the data boundaries, which are crucial for writing test cases to ensure all edge cases are covered.
What is the purpose of the Decision Table technique in test case design?
-The Decision Table technique organizes inputs and outputs to help in writing correct test cases, especially when dealing with multiple inputs and their corresponding outputs.
How does the State Transition technique help in specifying the number of test cases for a system with changeable states?
-The State Transition technique helps by specifying the number of test cases needed based on the system's changeable states and the events that affect them.
What is the Use case technique and how is it applied in test case design?
-The Use case technique is applied through the use cases created during the project's analysis stage, which helps in specifying the test cases for the system's functions.
When are White box testing techniques applied in test case design?
-White box testing techniques are applied when the tester has access to the internal structure or the source code of the software.
What is the goal of Statement testing in White box testing?
-The goal of Statement testing is to execute all code lines using the least number of test cases possible.
What is the objective of Decision testing in White box testing?
-The objective of Decision testing is to write test cases for all possible code paths, covering the true and false possibilities in the code's decision structures.
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