Testing Strategy
Unit Testing
Test database connection with sample credentials
Validate query syntax with small date ranges
Test S3 upload with sample data
Verify error handling with invalid inputs
Integration Testing
Run end-to-end pipeline with test environment
Validate data accuracy by comparing the source and destination
Test with different date ranges and scenarios
Verify S3 folder structure and file naming
Performance Testing
Test with various data volumes
Monitor execution time and memory usage
Validate concurrent execution scenarios
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