First Move (11~18) - Code, Learn, Build
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First Move (11~18) - Code, Learn, Build

Structured, level-based technology learning paths from foundational exploration to industry mastery.

Learning Domains

  • Python Programming (Active)
  • Computer Science Core
  • Web Development
  • AI & Machine Learning

Platform Architecture

  • Level-Based Progression
  • Decoupled Content Schema
  • Modular Code Execution Engine
  • Curated Official Resources

© 2026 First Move (11~18) • CODE • LEARN • BUILD. Built with Next.js App Router.

Readability & Accessibility First

← Software Testing & Quality Assurance|Level 2: Test Doubles (Mocks/Spies) & Integration Testing

4. API Integration Testing & Contract Validation

Lesson 4 of 6
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API Integration Testing & Contract Validation

Execute HTTP Integration tests against REST API routes using Supertest, managing test database transactions and JSON payload contracts.

Integration Testing Boundaries

### Integration Testing Objectives While unit tests isolate individual functions, **Integration Tests** verify that multiple real system layers (e.g. Express HTTP Controller + Service Layer + Postgres Database) work correctly in combination.
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