test-service

Apply testing strategies for service layer components with mocks and fixtures.

1|Updated May 21, 2025

Search Tags:#typescript #testing #authorization #events #mocking #unit-testing #services

Ready to run

npx skills add https://github.com/madooei/backend-template --skill test-service

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: test-service
Source: https://github.com/madooei/backend-template/tree/main/.claude/skills/test-service
Command: npx skills add https://github.com/madooei/backend-template --skill test-service

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Testing service layers requires applying the correct strategies to verify business logic across services, mocks, and wiring patterns.

Core Features & Use Cases

Guidance on choosing between resource-service tests and utility-service tests, including mock repositories, authorization checks, and event assertions.
Examples: testing NoteService, UserService, or AuthenticationService with appropriate mocks and fixtures.
Patterns for fixtures, setup/teardown, and common assertions to ensure deterministic results.

Quick Start

Run the recommended testing strategy to set up mocks, fixtures, and baseline test cases for a service layer.

Frequently Asked Questions about test-service

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

FAQPage Schema

How do I test a service layer in TypeScript?▼

Testing a service layer involves identifying the correct strategy for resource or utility services, then applying mock repositories, authorization checks, and event assertions to verify business logic and ensure deterministic results.

What is the difference between testing a resource service and a utility service?▼

Resource service testing focuses on mocking repositories and checking data wiring, whereas utility service testing validates specific business logic operations, with both requiring distinct patterns for fixtures, setup, teardown, and deterministic assertions.

How do I mock authorization checks in unit tests?▼

You mock authorization checks in unit tests by formalizing test patterns and roles within your service layer strategy, ensuring that baseline test cases validate authorization events and handle errors without relying on live dependencies.

How do I set up deterministic tests for a service layer?▼

You set up deterministic tests for a service layer by applying structured patterns for fixtures, setup, and teardown, ensuring that baseline test cases, mocks, and cleanup routines produce consistent and reliable results across test runs.

Does this service layer testing strategy work with event assertions?▼

Yes, this service layer testing strategy supports event assertions by providing structured patterns to mock repositories and verify that the correct events are emitted during authorization checks and business logic execution.