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api-testing-patterns

Test REST, GraphQL, and microservice APIs with contract and integration patterns.

Updated Oct 16, 2025
Search Tags:#graphql#integration-testing#contract-testing#ci-cd#api-testing#pact
One-click install
npx skills add https://github.com/beomeodev/specter --skill api-testing-patterns-beomeodev
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: api-testing-patterns
Source: https://github.com/beomeodev/specter/tree/main/.claude/skills/api-testing-patterns
Command: npx skills add https://github.com/beomeodev/specter --skill api-testing-patterns-beomeodev

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

API teams often struggle to maintain consistent testing patterns across REST, GraphQL, and microservices, leading to gaps in contracts, integration reliability, and slow feedback.

Core Features & Use Cases

  • Contract testing patterns with Pact and Spring Cloud Contract to validate consumer-provider agreements.
  • Integration testing with real dependencies to verify end-to-end workflows and data flow.
  • Component testing with mocks to isolate dependencies and accelerate feedback.
  • Idempotency verification for POST/PUT/DELETE operations to ensure safe retries.
  • Authentication and authorization flow testing (JWT, OAuth2, API keys) to validate access control.
  • Request/response schema validation using OpenAPI and JSON Schema to ensure contract conformance.
  • Performance and load testing strategies to assess throughput and resilience.
  • Automated test generation from API specifications to streamline test creation.
  • CI/CD pipeline integration to enable automated quality gates.

Quick Start

Start by defining contracts, configuring your test suite, and executing initial integration tests.

Frequently Asked Questions about api-testing-patterns

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

FAQPage Schema
How do I implement contract testing for microservices?▼

Contract testing validates consumer-provider agreements using Pact and Spring Cloud Contract to catch integration issues early. It enforces contract-first verification to ensure consumers and providers remain synchronized across REST and GraphQL APIs.

What's the best way to test GraphQL API schemas and resolvers?▼

Testing GraphQL APIs involves schema validation using JSON Schema to ensure contract conformance. You apply component testing with mocks to isolate dependencies and verify resolver behavior efficiently across your API endpoints.

How do I verify idempotency for POST and PUT operations in API testing?▼

Idempotency verification for POST, PUT, and DELETE operations ensures safe retries by validating that repeated identical requests produce consistent state changes. This pattern is critical for maintaining data integrity during network failures.

Does CI/CD pipeline integration support automated API test generation?▼

CI/CD pipeline integration enables automated quality gates using tests generated from API specifications. This streamlines test creation and ensures continuous validation of contract conformance and integration reliability.

How do I test authentication flows with JWT and OAuth2 in my API?▼

Authentication and authorization flow testing validates access control mechanisms for JWT, OAuth2, and API keys. This ensures your API properly enforces permissions and rejects unauthorized requests across different token types.

When should I use component testing with mocks instead of integration testing?▼

Component testing with mocks isolates dependencies to accelerate feedback when verifying individual service logic. Use integration testing with real dependencies when you need to verify end-to-end workflows and actual data flow.

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