The AETG System¶
Cohen, D. M., Dalal, S. R., Fredman, M. L., & Patton, G. C. (1997). The AETG System: An Approach to Testing Based on Combinatorial Design. IEEE, 23(7), 437-444.
Cited by¶
3 citations across 3 artifacts.
Each citation links to the sentence it supports in the citing article.
Mechanisms¶
- Combinatorial Sampling Strategy
- So instead of guessing, they build a covering array: a set of ~35 configurations engineered so that every pair of settings (e.g. "EU-residency mode + Stripe gateway", "analytics plugin + Postgres backend") co-occurs in at least one tested configuration.
This sourceAETG pairwise coverage requires every valid pair of parameter values to occur in at least one generated test.
- So instead of guessing, they build a covering array: a set of ~35 configurations engineered so that every pair of settings (e.g. "EU-residency mode + Stripe gateway", "analytics plugin + Postgres backend") co-occurs in at least one tested configuration.
- Pairwise Combination Testing
- Its strength is tractability with accountability: it makes interaction testing affordable when the full grid is out of reach, and — unlike an ad-hoc sample of configurations — it can prove which combinations were and were not exercised, because the covering array is an explicit record.
This sourceGenerates compact combinatorial test sets that explicitly cover every valid pairwise or higher-order parameter combination, reducing cost relative to exhaustive grids.
- Its strength is tractability with accountability: it makes interaction testing affordable when the full grid is out of reach, and — unlike an ad-hoc sample of configurations — it can prove which combinations were and were not exercised, because the covering array is an explicit record.
- Variation Rule Sheet
- Its failure mode is combinatorial: open too many variable dimensions with wide ranges and the number of legal combinations explodes
This sourceShows that varying many test parameters produces a combinatorial explosion in possible combinations.
- Its failure mode is combinatorial: open too many variable dimensions with wide ranges and the number of legal combinations explodes
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