Nobuf

Pairwise Test Matrix Generator

Deterministic combinatorial design

Generate deterministic 1-way, pairwise or 3-way test suites with exclusion constraints.

5Parameters
13Values
0Valid combinations
0Generated cases
0%Tuple coverage

Parameters and values

Each value goes on a separate line; order is retained for reproducible generation.

One value per line, up to 25
One value per line, up to 25
One value per line, up to 25
One value per line, up to 25
One value per line, up to 25
Coverage is not correctness
The generator covers valid modeled tuples. It cannot find missing dimensions, assert expected behavior or replace risk-based and exploratory tests.

How to use it

  1. 01

    Model the dimensions

    Define parameters, bounded value sets, coverage strength and a repeatable seed.

  2. 02

    Exclude impossible cases

    Combine structured conditions to remove invalid configurations before coverage is calculated.

  3. 03

    Generate and adopt

    Review tuple coverage and export a compact suite for documentation or an automated test stack.

Frequently asked questions

What is pairwise testing?

It selects cases so every valid pair of parameter values appears at least once, often reducing a large exhaustive matrix.

Does full pairwise coverage prove correctness?

No. It is coverage of the modeled interactions, not application behavior, requirements or unmodeled risks.

Will the same seed reproduce the suite?

Yes, when parameter order, values, constraints, strength and seed remain unchanged.

How are impossible combinations handled?

Enabled constraints exclude rows before the valid tuple universe and generated suite are computed.

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