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QA & Testing Methodology

A complete reference for QA fundamentals, testing theory, process, and career growth. Covers both conceptual knowledge (principles, levels, techniques) and practical process (planning, execution, defect management, metrics).


Contents

File Plan Sections Topics
Fundamentals, Levels & Types 1–4 QA vs QC, shift-left, ISTQB 7 principles, verification vs validation, test levels, functional/non-functional types
Test Design & Planning 5–7 Black/white-box techniques, test case structure, test plan vs strategy, entry/exit criteria
Execution, Defects & Environments 8–11 Execution process, defect lifecycle, severity vs priority, environments, test data
Automation, SDLC & Agile 12–15 When to automate, testing in Waterfall/Agile/DevOps, QA in Scrum, risk-based testing
Metrics, Docs & Practices 16–22 Test metrics, documentation, traceability, communication, anti-patterns, best practices, QA career levels
TDD, BDD & ATDD Red/Green/Refactor cycle, Gherkin, ATDD flow, combining all three, anti-patterns
Release Quality Gates & Checklists Merge/deploy gates, contract testing, flaky tests policy, PR checklist, risk register, templates
Shift-Right & Observability Canary, feature flags, synthetic monitoring, chaos in production, SLO/error budget, AI-assisted QA
Exploratory Testing & SBTM Exploratory testing, charters, time-boxed sessions, heuristics, debrief, when to automate findings
Requirements Quality & Testability Requirement quality criteria, testability checklist, weak wording fixes, Three Amigos, ready-for-QA
Defect Triage, RCA & CAPA Triage workflow, Five Whys, root-cause buckets, corrective/preventive actions, closure criteria
Coverage Strategy Requirement/risk/code/data/environment coverage, coverage review checklist, code coverage limits
Test Estimation & Effort Planning Story/release estimation, risk modifiers, planning buckets, anti-patterns, output template
Domain-Specific QA QA focus by domain: web, mobile, API/backend, data/ETL, AI/LLM, fintech
Shift-Left Testing Strategy components, quality gates, pipeline architecture, ownership model, maturity roadmap, defect cascade


See also