testing-best-practices
Test layering, execution, and CI guidance across unit, integration, and e2e. Use when designing tests, writing test cases, or planning test strategy for a module.
81
Quality
72%
Does it follow best practices?
Impact
97%
1.64xAverage score across 3 eval scenarios
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./data/skills-md/0xbigboss/claude-code/testing-best-practices/SKILL.mdEvaluation results
100%
60%Test Strategy for a String Utility Library
Unit test strategy and output format
Test Strategy section
0%
100%
Test Matrix section
16%
100%
Implementation Plan section
33%
100%
Case ID scheme
10%
100%
Happy path cases
12%
100%
Boundary value cases
12%
100%
Error cases
75%
100%
Edge cases
25%
100%
Property-based tests
0%
100%
Parameterized / data-driven
87%
100%
All four functions covered
100%
100%
No fabricated signatures
90%
100%
Without context: $0.2156 · 1m 5s · 8 turns · 13 in / 4,389 out tokens
With context: $0.5000 · 1m 55s · 19 turns · 26 in / 7,488 out tokens
99%
21%Integration and E2E Test Plan for a User Management API
Integration and e2e test design
API envelope coverage
75%
87%
Error contract testing
100%
100%
Auth and scoping tests
100%
100%
Eventual consistency: poll not sleep
100%
100%
Reuse auth state
87%
100%
E2E: no mocks
87%
100%
E2E: state-tolerant
20%
100%
E2E: idempotent
12%
100%
E2E: happy path only
100%
100%
Flow-oriented e2e
100%
100%
Correct output sections
100%
100%
Case ID scheme
50%
100%
Without context: $0.2569 · 1m 27s · 11 turns · 18 in / 4,956 out tokens
With context: $0.4448 · 2m 3s · 19 turns · 24 in / 6,750 out tokens
93%
33%CI Pipeline Design and Async Test Patterns for a Node.js Service
CI pipeline structure and async test patterns
Fast PR lane: unit + lint + typecheck
100%
100%
Fast PR lane: critical integration subset
57%
100%
Fast PR lane: under 5 minutes
100%
100%
Nightly lane: full suite
37%
100%
Nightly lane: property-based tests
0%
100%
Nightly lane: idempotency verification
0%
0%
Nightly lane: flake detection
57%
100%
No fixed sleep in refactored tests
100%
100%
Bounded polling with timeout
100%
100%
Flake classification process
37%
100%
Single retry policy
28%
100%
No weakened assertions
100%
100%
Diagnostics on retry failure
37%
100%
Without context: $0.4067 · 2m 14s · 18 turns · 25 in / 7,458 out tokens
With context: $0.4947 · 2m 28s · 20 turns · 138 in / 7,637 out tokens
- Repository
- NeverSight/skills_feed
- Commit
5342bca
- Evaluated
- Agent
- Claude Code
- Model
- Claude Sonnet 4.6
Table of Contents
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