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Test design techniques

Test design techniques: equivalence partitioning and boundary values, decision tables, state transitions, pairwise testing and use cases.

5 articles in reading order

  1. Equivalence partitioning and boundary valuesSplitting input data into equivalence classes and choosing boundary values: two-point and three-point boundaries, examples for numbers, strings and dates.14 min read
  2. Decision table testingDecision table testing: conditions, actions and rules, full and collapsed tables, impossible combinations, coverage and Gherkin scenarios from a table.13 min read
  3. State transition testingState transition testing: states, events, guard conditions and actions, the state table with invalid transitions, coverage from all states to N-switch.12 min read
  4. Pairwise testingPairwise testing: the combinatorial explosion, covering every pair of parameter values, covering and orthogonal arrays, constraints and t-way testing.13 min read
  5. Use case testingUse case testing: use case structure after Cockburn, main success scenario and extensions, deriving test cases, scenario coverage, user stories and Gherkin.13 min read