Automating Healthcare Integration
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The document discusses the need for automation in healthcare integration testing, particularly for HL7 v2.x, which comprises 99% of integration business. It outlines the benefits of automation, including the ability to run regression tests, understand risks, and reduce testing effort, while also detailing a structured test harness for HL7 components. Additionally, it recommends using Node.js for seamless TCP/IP communication in sending HL7 messages.
Automating Healthcare Integration
- 1. HEALTHCARE EAI TEST AUTOMATION BY - AJAY KHANDELWAL
- 2. INTEGRATION TESTING IN HEALTHCARE 99% of Integration Business still Hl7 v2.x Very few web services based integration It’s not uncommon to find systems with no QA environment Traditionally manual testing environment
- 4. WHY AUTOMATE HL7 TESTING ? Ability to run regression tests Ability to understand risks Reduce testing effort Reduce dependencies on external systems Reuse test transactions Leads to Test Harness for Healthcare Integration or Hl7
- 5. COMPONENTS OF TEST HARNESS Test Case Library Transaction Library ( messages) Transport Agent ( Send and Receive Msgs) Verifier
- 7. TEST MESSAGE LIBRARY -Recorded Transactions -Tagged with metadata -XML structure Example <TestData Source=“Mckesson” Recorded Date=“04-02-77”> <Message TestSuite=“ADT Suite” TestCase=“Update Patient Address” > MSH|^~&|EPIC|EPICADT|SMS|SMSADT|199912271408|CHARRIS|ADT^A04|1817457|D|2.5|PID||0 493575^^^2^ID 1|454721||DOE^JOHN^^^^|DOE^JOHN^^^^|19480203|M||B|254 MYSTREET AVE^^MYTOWN^OH^44123^USA||(216)123- 4567|||M|NON|400003403~1129086|NK1||ROE^MARIE^^^^|SPO||(216)123- 4567||EC|||||||||||||||||||||||||||PV1||O|168 ~219~C~PMA^^^^^^^^^||||277^ALLEN MYLASTNAME^BONNIE^^^^|||||||||| ||2688684|||||||| </Message> </Testdata>
- 8. TECHNOLOGY Transaction Repository -Mostly Hl7 messages -Needs to be tagged with scenarios and test cases -Document database can be best technology to host this -Keep it in traditional rdbms or use couchdb or mongodb
- 9. TRANSPORT AGENT Requirements o Ability to send hl7 over tcp/ip o Ability to send and receive web services and other protocols Options Use tool like Mirth NodeJs
- 10. WHY NODE JS - Handles tcp/ip communication seamlessly - Javascript programming - Open source - Almost no learning curve var net = require(„net‟); var server=net.createserver(function(socket) { socket.addListener(“connect”,function(){ socket.end(“Receive HL7 msg); }); }); server.listen(8000,localhost); console.log(„HL7 msg server listening on port 8000‟);