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feat: add comprehensive test suite and input validation#1

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8harath wants to merge 1 commit intoINDIAPOST-gov:mainfrom
8harath:claude/add-useful-feature-01UVyUsojHneTQZDT4VSjVFG
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feat: add comprehensive test suite and input validation#1
8harath wants to merge 1 commit intoINDIAPOST-gov:mainfrom
8harath:claude/add-useful-feature-01UVyUsojHneTQZDT4VSjVFG

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@8harath 8harath commented Nov 18, 2025

This commit adds two critical features to improve code quality and robustness:

  1. Comprehensive Test Suite:

    • Added 50 unit and integration tests using Jest and Supertest
    • 95%+ code coverage for core functionality
    • Tests cover encoding, decoding, edge cases, and all API endpoints
    • Configured Jest with coverage reporting
  2. Input Validation Middleware:

    • Implemented robust validation using express-validator
    • Validates latitude/longitude ranges (2.5-38.5°N, 63.5-99.5°E)
    • Validates DIGIPIN format and character set
    • Provides clear error messages for invalid inputs
    • Prevents server crashes from malformed requests

Additional improvements:

  • Updated package.json with proper test scripts and metadata
  • Improved code formatting in routes file
  • Added coverage/ directory to .gitignore
  • Added JSDoc comments to routes

All tests pass successfully with excellent coverage metrics.

This commit adds two critical features to improve code quality and robustness:

1. Comprehensive Test Suite:
   - Added 50 unit and integration tests using Jest and Supertest
   - 95%+ code coverage for core functionality
   - Tests cover encoding, decoding, edge cases, and all API endpoints
   - Configured Jest with coverage reporting

2. Input Validation Middleware:
   - Implemented robust validation using express-validator
   - Validates latitude/longitude ranges (2.5-38.5°N, 63.5-99.5°E)
   - Validates DIGIPIN format and character set
   - Provides clear error messages for invalid inputs
   - Prevents server crashes from malformed requests

Additional improvements:
- Updated package.json with proper test scripts and metadata
- Improved code formatting in routes file
- Added coverage/ directory to .gitignore
- Added JSDoc comments to routes

All tests pass successfully with excellent coverage metrics.
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