testing

Establishes testing strategies for TypeScript and JVM projects.

4|2|Updated Mar 6, 2026
One-click install
npx skills add https://github.com/hiimtrung/coder --skill testing-hiimtrung
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: testing
Source: https://github.com/hiimtrung/coder/tree/main/.agents/skills/testing
Command: npx skills add https://github.com/hiimtrung/coder --skill testing-hiimtrung

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Quality assurance is often inconsistent across teams, leading to flaky releases and regression defects.

Core Features & Use Cases

  • Testing Strategy Design: Defines a cohesive testing pyramid and risk-based prioritization for unit, integration, and E2E tests.
  • Contract & Data Patterns: Promotes contract testing, mocking standards, and factory-based test data creation.
  • Quality Metrics & Automation: Establishes metrics, automated guardrails, and reusable templates for faster, safer delivery.

Quick Start

Define a complete testing strategy for a given module, including unit, integration, and E2E tests with concrete Jest and Mockito patterns.

Frequently Asked Questions about testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure a testing strategy for unit, integration, and E2E tests?

A testing strategy should define a cohesive testing pyramid with risk-based prioritization for unit, integration, and E2E tests. This ensures reliable software quality by applying standardized patterns across teams to prevent flaky releases and regression defects.

What are the best practices for mocking and test data creation in Jest?

Mocking and test data creation in Jest should use standardized patterns and factory-based generation. Implementing Arrange-Act-Assert (AAA) patterns alongside these mocking standards improves reliability and ensures consistent test data across integration tests.

Does this testing approach work with TypeScript and JVM projects?

Yes, this testing approach works with TypeScript and JVM projects. It applies standardized testing practices across modern TypeScript, Java, and JVM environments, implementing concrete Jest and Mockito patterns for unit and integration testing scenarios.

How do I establish quality metrics and automated guardrails for reliable delivery?

Quality metrics and automated guardrails are established by defining metrics, reusable templates, and automated quality gates. These guardrails enforce rigorous testing practices across teams, enabling faster and safer software delivery without inconsistent quality assurance.

Why does inconsistent quality assurance lead to flaky releases and regression defects?

Inconsistent quality assurance leads to flaky releases because teams lack a cohesive testing strategy and standardized patterns. Without rigorous testing practices, automated guardrails, and factory-based test data, regression defects slip through undetected during integration testing.

When should I implement contract testing over standard integration testing?

Contract testing should be implemented alongside standard integration testing when verifying interactions between separate services. It promotes contract testing patterns and mocking standards to ensure reliable software quality without the overhead of full end-to-end testing.