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Understanding Metrics

Learn what each quality metric means and how to interpret them.

Core Metrics​

Test Pass Rate​

  • What: Percentage of passing tests
  • Good: Above 95%
  • Action: Fix failing tests

Code Coverage​

  • What: Code tested by automated tests
  • Good: Above 80%
  • Action: Add missing tests

Flaky Test Rate​

  • What: Tests that fail randomly
  • Good: Below 5%
  • Action: Stabilize tests

Build Success Rate​

  • What: CI/CD pipeline reliability
  • Good: Above 95%
  • Action: Fix build issues

Performance Metrics​

Test Duration​

  • Average time to run tests
  • Impacts developer velocity
  • Monitor for increases

Quality Gate Time​

  • Time to get quality decision
  • Should be under 2 minutes
  • Affects PR velocity

Trend Indicators​

  • 📈 Improving: Positive trend
  • 📉 Declining: Needs attention
  • ➡️ Stable: No significant change
  • ⚠️ Anomaly: Unusual pattern