Automated Conformance Testing Lab for Health Information Exchange
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Solution Overview
Problem
The onboarding process for participating in the Nationwide Health Information Network (NHIN) is time-consuming and complex, requiring manual testing to ensure conformance and interoperability, which is prone to errors and inefficiencies due to the fragility of interoperability components and varying interpretations of standards among vendors and organizations.
Innovation Solution
A self-service, automated test lab (Developers Integration Lab or DIL) that facilitates bi-directional conformance and interoperability testing using event-based gateways, a Service-Oriented Architecture (SOA), and a user-friendly interface, allowing multiple gateway implementations and secure web service message validation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual testing is used for conformance and interoperability validation, then testing can be performed with basic tools, but the process becomes time-consuming and complex
Solution Approach 1:
The automated test lab enables self-service testing where the system automatically executes conformance and interoperability test scenarios without requiring manual intervention. The test engine autonomously manages test case execution, result collection, and compliance determination, allowing organizations to perform their own validation without external testing services.
Solution Approach 2:
Manual testing processes are replaced with an automated testing system that uses software-based test execution engines, automated test scenario management, and electronic result analysis. This substitution of mechanical/manual operations with automated systems dramatically reduces testing time and complexity.
2Adaptability or versatility
If manual testing processes are used, then flexibility in testing approach is maintained, but errors and inefficiencies increase due to human factors
Solution Approach 1:
The automated test lab implements systematic feedback mechanisms where test results are automatically collected, analyzed, and reported. The system provides real-time feedback on compliance status and generates detailed test reports, enabling continuous improvement and verification of interoperability requirements without human error.
3Manufacturing precision
If comprehensive interoperability testing is performed manually, then all communication standards can be validated, but the complexity of the testing process increases
Solution Approach 1:
The testing system is segmented into distinct functional modules including test scenario management, automated test execution engines, result analysis components, and compliance determination modules. This segmentation allows each component to handle specific aspects of interoperability testing independently, reducing overall system complexity while maintaining comprehensive validation capabilities.
Solution Approach 2:
The automated test lab employs a universal testing platform that can validate multiple communication standards and protocols through a single integrated system. The test engine is designed to handle various interoperability scenarios (initiator and responder roles) and standards (HL7, DICOM, FHIR) using common infrastructure, reducing the need for separate testing systems for each standard.
4Productivity
If automated testing is implemented, then testing speed and efficiency improve, but system complexity increases
Solution Approach 1:
Test scenarios and compliance criteria are pre-configured and stored in the system before actual testing begins. The automated test lab maintains a library of pre-defined test cases, communication standards specifications, and interoperability requirements that are ready for execution, eliminating the need to set up testing parameters during the actual testing process and thereby increasing throughput.
Data Source
AI summary
A set of self-service testing tools and processes used to conduct gateway to gateway testing. The system includes a test harness comprising a collection of software and test data configured to test a program unit by running it under varying conditions and monitoring its behavior and outputs. The test harness allows for the automation of tests, and can call functions with supplied parameters and analyze results to a desired value.