Develop

.changeset/notificationkit_71368.md

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+---
+"@ciscode/notification-kit": minor
+---
+
+## Summary
+
+Comprehensive testing implementation with 133+ tests, improved code quality, and complete documentation.
+
+## Changes
+
+### Testing
+
+- Added comprehensive test suite with 133+ tests across 10 test suites
+- Created shared test utilities in `test/test-utils.ts` to reduce code duplication
+- Implemented integration tests for end-to-end notification workflows
+- Added controller tests for REST API endpoints
+- Added module tests for NestJS dependency injection
+- Included mock implementations: `MockRepository`, `MockSender`, `MockTemplateEngine`, etc.
+- Created helper functions for easier test setup: `createNotificationServiceWithDeps()`, `createFailingNotificationServiceWithDeps()`
+
+### Code Quality
+
+- Reduced code duplication from 4.3% to 2.66% (passing SonarQube quality gate ≤ 3%)
+- Improved code organization with centralized test utilities
+- Fixed ESLint and TypeScript strict mode issues in test files
+
+### Documentation
+
+- Created comprehensive README.md with full project documentation
+- Updated CONTRIBUTING.md with detailed testing guidelines
+- Added CHANGELOG.md to track version history
+- Enhanced infrastructure documentation with testing examples
+- Added support and contribution links
+
+### Automation
+
+- Updated package configuration and workflows
+- Enhanced CI/CD integration with Dependabot
+- Integrated SonarQube quality gate checks