Comprehensive Test Driven Development guide for engineering subagents with multi-framework support, coverage analysis, and intelligent test generation
56
33%
Does it follow best practices?
Impact
95%
1.03xAverage score across 3 eval scenarios
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./generated-skills/tdd-guide/SKILL.mdCoverage gap analysis with prioritized recommendations
P0 for critical gap
80%
100%
P1 for moderate gap
75%
100%
80% line threshold applied
100%
100%
Branch coverage checked
100%
100%
70% branch threshold applied
100%
100%
Coverage summary present
100%
100%
P0 listed before P1
100%
100%
Uncovered lines identified
100%
100%
Actionable recommendations
100%
100%
No E2E or performance testing suggested
100%
100%
Summary first
100%
100%
Output file produced
100%
100%
Framework-appropriate test generation with AAA structure
Uses pytest
100%
100%
test_ naming convention
100%
100%
Specification-style names
100%
100%
Arrange-Act-Assert sections
0%
100%
Happy path covered
100%
100%
Error conditions tested
100%
100%
Edge cases covered
100%
100%
Behavior focused
100%
100%
Test isolation
100%
100%
Single behavior per test
100%
100%
No E2E or integration approach
100%
100%
Output test file created
100%
100%
TDD red-green-refactor workflow with correct framework imports
Uses Jest
0%
0%
describe/it structure
100%
100%
RED phase documented
100%
100%
GREEN phase documented
100%
100%
REFACTOR phase documented
100%
62%
Specification-style test names
100%
100%
Assertions use expect()
100%
100%
Behavior focused tests
100%
100%
Error/edge cases tested
100%
100%
TDD log file created
100%
100%
Test and implementation files
100%
100%
Minimal GREEN implementation
100%
100%
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Table of Contents
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