Risk-Based Software Testing Framework for Defect Evaluation

The patent segments the software system into a hierarchical structure with multiple levels (system level, subsystem level, component level). Each level has its own risk contexts and factors that can be independently assessed. This segmentation enables consistent risk evaluation across different granularities while maintaining manageable complexity at each level.

The patent transforms subjective risk assessments into objective evaluations by changing the parameters from qualitative judgments to quantitative measurements. Risk factors are assigned numerical values and weights, and risk scores are calculated using mathematical formulas. This parameter change ensures consistency and repeatability while the structured framework controls the complexity of the assessment process.

The patent enables preliminary risk assessment at early software development stages (requirements, design, coding) by defining risk contexts and factors that can be evaluated before actual testing begins. This preliminary action identifies high-risk areas that require intensive testing, allowing comprehensive defect detection to be focused on critical areas rather than uniformly applied across all components, thus reducing overall time consumption.

The patent implements a feedback mechanism where risk assessments at one level inform testing strategies at other levels. Test results feed back into risk factor evaluations, which then adjust the testing scope and intensity. This dynamic feedback loop ensures comprehensive defect detection in high-risk areas while minimizing testing effort in low-risk areas, optimizing the balance between detection capability and time consumption.

The patent segments the testing process into distinct levels (unit testing, integration testing, system testing) with specific risk contexts defined for each level. Test planning complexity is managed by focusing on level-specific risk factors rather than attempting to assess all risks at all levels simultaneously. This segmentation improves testing effectiveness by ensuring appropriate test strategies are applied at each level while keeping planning complexity manageable.

The patent creates a universal risk assessment framework that can be applied across all software development levels and phases. The same basic structure of risk contexts, factors, and scoring mechanisms is used universally, but adapted to specific level requirements. This universality improves testing effectiveness by providing consistent risk-based guidance throughout the development lifecycle while reducing test planning complexity through reuse of the same framework and methodologies.