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Characterization Tests: Pin Behavior Before Change

This generated surface maps a learner-facing curriculum unit to its canonical source routes.

Curriculum surface​

  • Open learner-facing unit
  • Curriculum path: content/curriculum/foundations/semester-03-software-design/module-02-refactoring-techniques/concepts/cluster-02-tests-as-a-safety-net/04-characterization-tests-pin-behavior-before-change-primary.md
  • App: foundations
  • Semester: semester-03-software-design
  • Module: module-02-refactoring-techniques
  • Unit kind: concept
  • Curation level: generated_default

Learning objectives​

  • Explain Characterization Tests: Pin Behavior Before Change in the language of the current curriculum, not just the source book.
  • Apply Characterization Tests: Pin Behavior Before Change to one concrete learner task or example inside this semester.
  • Use clean-code, good-code-bad-code, refactoring as a selective source of truth when the learner-facing explanation is not enough.

Prerequisites​

  • The earlier concept pages and practice tasks in the current module.

Source books​

  • clean-code
  • good-code-bad-code
  • refactoring

Source routes​

Clean Code​

Good Code Bad Code​

Refactoring​

Supporting curriculum routes​

No supporting curriculum routes linked yet.

External enrichment​

No curated enrichment resources yet.

AI companion modes​

  • Explain simply
  • Socratic tutor
  • Quiz me
  • Challenge my understanding
  • Diagnose my confusion
  • Generate extra practice
  • Revision mode
  • Connect forward / backward

Source-of-truth note​

This teaching unit is learner-facing guidance assembled from multiple canonical book routes. Use the listed source books as the primary conceptual spine for Characterization Tests: Pin Behavior Before Change, and treat outside material as supporting enrichment only.