Laws in Software Development: 80/20 Rule in E2E Test Automation

“Achieving More with Less”

Zhimin Zhan

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This article is one of the “Laws in Software Development” series:

  • 80/20 Rule
  • Broken Window Theory
  • Parkinson’s Law: “work expands so as to fill the time available for its completion”
  • Sturgeon’s law: “ninety percent of everything is crap”
  • Murphy’s law: “Anything that can go wrong will go wrong”
  • The 10,000-Hour Rule: “The key to achieving true expertise is simply a matter of practicing”
  • Brooks’ Law: “Adding manpower to a late project makes it later.”
  • Hosftadter’s Law: “It always takes longer than you expect, even when you take into account Hofstadter’s Law.”
  • Conway’s Law: “Any piece of software reflects the organizational structure that produced it.”

Table of Contents:
· The 80/20 Principle
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20% Automated E2E (UI) Tests Cover about 80% of Code Base
·
Regression Testing: 80% Automated E2E (UI) and 20% Manual (Exploratory)
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80% of E2E Test Automation Effort on Test Stabilization and Maintenance

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