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Integration Test

اختبار التكامل (Integration Test)

Intermediatetesting1 min read
integration testingapi testdatabase testcomponent integration test
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Definition

An automated test that verifies multiple units working together — like an API route with a real database connection.

اختبار تلقائي يتحقق من عمل وحدات متعددة معًا — مثل مسار API مع اتصال قاعدة بيانات حقيقي.

Why It Matters

An integration test for the /api/admin/glossary/seed route would verify: admin check works, slugs are checked for duplicates, new terms are written to Firestore correctly.

اختبار تكامل لمسار /api/admin/glossary/seed سيتحقق من: عمل فحص المدير، فحص slugs للتكرار، كتابة المصطلحات الجديدة إلى Firestore بشكل صحيح.

Full Definition

Integration tests verify that multiple components work correctly together. Unlike unit tests, they may hit a real database, call actual APIs, or render full component trees. Examples: testing a Next.js API route with a Firestore emulator, or testing a React component that fetches data. Integration tests are slower than unit tests but catch issues that unit tests miss (e.g., SQL queries that are correct in isolation but fail on real data).
اختبارات التكامل تتحقق من أن مكونات متعددة تعمل معًا بشكل صحيح. على عكس اختبارات الوحدة، قد تضرب قاعدة بيانات حقيقية أو تستدعي APIs فعلية. أمثلة: اختبار مسار Next.js API مع محاكي Firestore.

Example Usage

“// Uses Firebase emulator, not production Firestore test('seed inserts terms idempotently', async () => { await seedTerms(testTerms); await seedTerms(testTerms); expect(await getTermCount()).toBe(testTerms.length); });”

“// يستخدم محاكي Firebase، وليس Firestore الإنتاجي test('seed يُدرج المصطلحات بشكل مثالي', async () => { await seedTerms(testTerms); await seedTerms(testTerms); expect(await getTermCount()).toBe(testTerms.length); });”

Knowledge Graph

AI Builder Tips

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Avoid these mistakes when using Integration Test:

1

Using real production databases in tests — use emulators or test environments

2

Slow integration tests that run on every commit — consider running them only on PR or pre-deploy

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Help me build a project using Integration Test.

Explain:
1. What is Integration Test and why it matters
2. The core architecture and required tools
3. Step-by-step implementation plan
4. Common mistakes to avoid: Using real production databases in tests — use emulators or test environments, Slow integration tests that run on every commit — consider running them only on PR or pre-deploy
5. Best practices and production tips

Official Resources

Official Documentation
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