Quality/Test areas and types

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Revision as of 08:56, 31 January 2011

Aligned with ISO/IEC 9126-1 Software Quality Model and ISTQB Advanced Level Syllabus

Functional (accuracy) testing : Testing the application's or component's adherence to the specified or implied requirements.
Functional (suitability) testing : Evaluating and validating the appropriateness of application or a set of features for its intended specified tasks. This testing can be based on use cases or procedures. Testing shall also evaluate the application's or component's tolerance to faults in terms of handling unexpected input values, data, messages or triggers (so-called negative tests).
SW Interoperability Testing (a.k.a. System Integration Testing): Tests whether a given group components and applications can function correctly in intended target configuration. Testing for interoperability may, for example, focus on ability of the software to automatically detect the communications needs of the systems it interacts with and switch accordingly.
Technical Security Testing : Technical security testing attempts to compromise a system's security policy by assessing a system's vulnerability to threats.
Accessibility Testing : Evaluating and validating the accessibility of software to those with particular requirements or restrictions in its use. This includes those with disabilities.

Performance Testing : Focuses on the ability of a application or component to respond to user or system inputs within a specified time and under specified conditions (e.g. normal load, low resource and stress situations). Performance might be measured according to CPU cycles, response or latency times, frame rates, etc.
Benchmark : (1) A standard against which measurements or comparisons can be made. (2) A test that is be used to compare components or systems to each other or to a standard as in (1).
- Test type Benchmark : See definition (2) above
Resource Utilisation Testing : Evaluate the usage of system resources (e.g. CPU, memory, energy, bandwidth of internal buses or external interfaces, etc.) either with a single measurement/snapshot or sequence of measurements over the time (e.g. in order to detect memory leaks).
Scalability testing : Evaluate the ability of a system to meet future efficiency requirements, which may be beyond those currently required.

Robustness Testing : Evaluate a application's or component's tolerance to faults which occur externally to the system under the test (e.g. memory full, process or service not available, file not found).
Recoverability Testing : Evaluate the software application's or component's ability to recover from hardware or software failures in a predetermined manner which subsequently allows normal operations to be resumed.

Usability Testing : Testing to determine the extent to which the application or feature is understood, easy to learn, easy to operate and attractive to the users under specified conditions.

Dynamic maintainability testing : Evaluating the documented procedures developed for maintaining a particular application (e.g. for performing software upgrades).
Changeability testing : Evaluate the effort required to make changes to a system (e.g. code changes). Both testability (effort required to test the changes made) and stability (system’s response to change) aspect should be taken into account here.

Installability testing : Testing conducted on the software used to install other software on its target environment.
Compatibility testing : Evaluation of possible adverse impact on functionality when applications are loaded on the same environment (e.g. conflict resource usage when a server runs multiple applications).
Adaptability testing : Evaluating whether a give application can function correctly in all intended target environments (hardware, software, middleware, operating system, etc.). This testing can be done by using a selection of functional test cases which exercise the various components present in the environment.
Replaceability testing : Evaluating the ability of software components within the system to be exchanged for others.

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 * '''Performance Testing''' : Focuses on the ability of a application or component to respond to user or system inputs within a specified time and under specified conditions (e.g. normal load, low resource and stress situations). Performance might be measured according to CPU cycles, response or latency times, frame rates, etc.
 * '''Benchmark''' : (1) A standard against which measurements or comparisons can be made. (2) A test that is be used to compare components or systems to each other or to a standard as in (1).
+** Test type Benchmark : See definition (2) above
 * '''Resource Utilisation Testing''' : Evaluate the usage of system resources (e.g. CPU, memory, energy, bandwidth of internal buses or external interfaces, etc.) either with a single measurement/snapshot or sequence of measurements over the time (e.g. in order to detect memory leaks).
 * '''Scalability testing''' : Evaluate the ability of a system to meet future efficiency requirements, which may be beyond those currently required.