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نظرة عامة
Integration testing is the process of evaluating how different software modules or components interact with one another. It ensures that interfaces between units work as intended when combined.
Purpose
- Detect interface mismatches and data flow issues
- Validate end-to-end workflows across modules
- Catch integration-specific bugs early
Common Scenarios
- Connecting frontend and backend components
- Third-party API integrations
- Database and service layer communication
Testing Approaches
- Top-down: Test high-level modules first
- Bottom-up: Start with low-level modules
- Big bang: Test everything at once after combining
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