Software Quality Assurance & Testing
Quality Assurance:
Testing:
Quality Control:
- QA includes activities that ensure the implementation of processes, procedures and standards in context to verification of developed software and intended requirements.
- Focuses on processes and procedures rather than conducting actual testing on the system
- Process-oriented activities.
- Preventive activities.
- It is a subset of Software Test Life Cycle (STLC).
Testing:
- It includes activities that ensure the identification of bugs/error/defects in a software.
- Focuses on actual testing.
- Product-oriented activities.
- It is a preventive process.
- Testing is the subset of Quality Control.
Quality Control:
- It includes activities that ensure the verification of a developed software with respect to documented (or not in some cases) requirements.
- Focuses on actual testing by executing the software with an aim to identify bug/defect through implementation of procedures and process.
- Product-oriented activities.
- It is a corrective process.
- QC can be considered as the subset of Quality Assurance.
Audit and Inspection:
Audit − It is a systematic process to determine how the actual testing process is conducted within an organization or a team. Generally, it is an independent examination of processes involved during the testing of a software. As per IEEE, it is a review of documented processes that organizations implement and follow. Types of audit include Legal Compliance Audit, Internal Audit, and System Audit.
Inspection − It is a formal technique that involves formal or informal technical reviews of any artifact by identifying any error or gap. As per IEEE94, inspection is a formal evaluation technique in which software requirements, designs, or codes are examined in detail by a person or a group other than the author to detect faults, violations of development standards, and other problems.
Formal inspection meetings may include the following processes: Planning, Overview Preparation, Inspection Meeting, Rework, and Follow-up.
Testing and Debugging:
Testing − It involves identifying bug/error/defect in a software without correcting it. Normally professionals with a quality assurance background are involved in bugs identification. Testing is performed in the testing phase.
Debugging − It involves identifying, isolating, and fixing the problems/bugs. Developers who code the software conduct debugging upon encountering an error in the code. Debugging is a part of White Box Testing or Unit Testing. Debugging can be performed in the development phase while conducting Unit Testing or in phases while fixing the reported bugs.
Audit − It is a systematic process to determine how the actual testing process is conducted within an organization or a team. Generally, it is an independent examination of processes involved during the testing of a software. As per IEEE, it is a review of documented processes that organizations implement and follow. Types of audit include Legal Compliance Audit, Internal Audit, and System Audit.
Inspection − It is a formal technique that involves formal or informal technical reviews of any artifact by identifying any error or gap. As per IEEE94, inspection is a formal evaluation technique in which software requirements, designs, or codes are examined in detail by a person or a group other than the author to detect faults, violations of development standards, and other problems.
Formal inspection meetings may include the following processes: Planning, Overview Preparation, Inspection Meeting, Rework, and Follow-up.
Testing and Debugging:
Testing − It involves identifying bug/error/defect in a software without correcting it. Normally professionals with a quality assurance background are involved in bugs identification. Testing is performed in the testing phase.
Debugging − It involves identifying, isolating, and fixing the problems/bugs. Developers who code the software conduct debugging upon encountering an error in the code. Debugging is a part of White Box Testing or Unit Testing. Debugging can be performed in the development phase while conducting Unit Testing or in phases while fixing the reported bugs.
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