jest-test-generator

Jest Test Generator - Auto-activating skill for Test Automation. Triggers on: jest test generator, jest test generator Part of the Test Automation skill category.

1.00x

Quality

Does it follow best practices?

Impact

96%

1.00x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/09-test-automation/jest-test-generator/SKILL.md

Evaluation results

100%

Unit Tests for a String Utility Library

Unit test generation with Jest best practices

Criteria

Without context

With context

describe() grouping

100%

it()/test() blocks

100%

Appropriate matchers

100%

No placeholders

100%

Runnable code

100%

Edge case coverage

100%

expect() usage

100%

Multiple test cases per function

100%

Descriptive test names

100%

No test interdependency

100%

Tests for a Weather Data Service

Jest mocking of external dependencies

Criteria

Without context

With context

jest.mock() used

100%

Mock return value set

100%

Happy path tested

100%

Error path tested

100%

Mock call assertions

100%

beforeEach mock reset

80%

100%

describe() structure

100%

No placeholders

100%

Runnable code

100%

Async handling

100%

No real HTTP calls

100%

90%

Set Up Test Infrastructure for a TypeScript Microservice

Jest configuration for TypeScript project

Criteria

Without context

With context

Config file created

100%

TypeScript transform

100%

testMatch or testRegex

100%

moduleFileExtensions

Coverage enabled

100%

Coverage reporters

100%

No placeholders

100%

Valid preset or globals

100%

testEnvironment set

100%

Dependency list provided

100%

Repository: jeremylongshore/claude-code-plugins-plus-skills
Commit: 3e83543

Evaluated: 27 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Unit Tests for a String Utility Library Tests for a Weather Data Service Set Up Test Infrastructure for a TypeScript Microservice

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