Speed the development of robust integrations with IBM Integration Bus and Rational Integration Tester

Carsten Börnert – Integration SpecialistEmanuel Stanciu – Cloud DevOps Specialist

Agenda

1. Introduction

2. Testing capabilities in IBM Integration Bus (IIB) v10

3. Rational Integration Tester – Overview

4. Implementing stubs for use with IIB

5. Test suites and Continuous integration

6. Demo

2

Introduction

Scope of testing

• Applications, Services, Libraries using a variety of transports, formats and subflows

• Unit testing – how big/small is a unit?• Message transformation• Message routing• Subflows

• System testing – what exactly constitutes the system?• The system is the Message Flow

• System integration testing• End-to-end interactions

4

Testing capabilities in IBM Integration Bus v10

IIB v10 Flow Exerciser

• Introducing the flow exerciser• Save messages• Trace path through flow• Inject messages

• Supported nodes• MQInput, HTTPInput, SOAPInput

• Use for testing of• Subflows• Message transformations• Message model testing• Error handling

• Using API to automate• Java or REST

6

Check out the blog on developer.ibm.com/integrationhttps://developer.ibm.com/integration/blog/2015/06/03/using-flow-exerciser-iib-v10/

Rational Integration TesterOverview

7

Presentation layer

Integrations, data and business logic

Only one-tenth of an iceberg is above water

Traditional UI testing

Automated Integration Testing and Service Virtualization

The majority of risk in modern systems is seldom tested as it is unseen.

Today, integration of enterprise applications still follow the “big-bang” approach …

• Integration amongst different components of the enterprise application occur at the end of a milestone in a “big-bang”

• Difficult to continuously integrate and deploy across different technology stacks and varying delivery schedules. Very hard for different teams to collaborate together on interim builds inside a milestone

Mobilecomponent

Webcomponent

Mainframecomponent

1 week

Big Bang

!

1 week

Big Bang

!

Tests can bypass the UI and execute beneath the iceberg.

Test while your system is being built and at an accelerated rate. Much greater coverage = much

greater confidence

Introduces the concept of testing side effects. Validate the contents of message queues, log files and databases as well as simple inputs/outputs.

Shift Left with Automated Integration Testing

The Continuous Testing Solution: RTW, RPTS, RTVS

• IBM Rational Test Workbench– Enable functional, performance and integration testing

throughout your project lifecycle– With a scriptless, wizard-driven test authoring

environment and support for more than 70 technologies and protocols

• IBM Rational Performance Test Server– Save time and effort by reusing your functional integration

tests for performance testing– Combine your tests to model real-world scenarios and

assess the impact of load on your integrated infrastructure.

• IBM Rational Test Virtualization Server– Model real system behavior to eliminate test

dependencies and simulate production, – Accelerate testing and reduce the setup and

infrastructure costs of traditional testing environments.

Test Servers

Load AgentsVirtualization Agents

QA DEV

The bottom lineUsing IBM’s test automation and virtualization can eliminate long back-end test cycles, increase quality, and lower risk.

Test early and continuously with virtualization•Verify and validate the technical solution for a business change without waiting for the complete technical solution to be built.

Test integrations•Most of the risk of business change lies at the integration layer and WebSphere solutions need to be tested below the UI.•Verify side effects such as database writes or log file updates for greater confidence.

Test performance•Verify scalability after upgrading or migrating to the WebSphere platform.•Be confident before you add new business workloads.

Minimize Risk with RTW and RTVS

IBM Rational Test Virtualization Serversupports multiple platforms and protocols

Transport/Protocol Message Formats Technologies• ActiveMQ• Email (SMTP, IMAP)• Files• FTP/S• HTTP/S• WebSphere MQ• Java RMI• JMS• SAP IDoc, BAPI, RFC • Software AG’s IB & IS• Sonic MQ• TCP/IP• TIBCO Rendezvous, Smart

Sockets & EMS• CICS TG• CICS IPIC• IMS Connect• MQTT

• .Net Objects• Bytes• COBOL Copybook• ebXML• ASC X12• UN/EDIFACT• DFDL• Fixed Width• Java Objects• MIME• SOAP• Software AG Broker Docs• SWIFT• CHIPS• FedWire• TIBCO ActiveEnterprise• HL7 v3• XML (DTD, XSD, WSDL)• ISO8583• Custom

• CentraSite• Oracle Fusion• SCA Domain• Software AG IS, Broker,

BPMS• WebSphere Application

Server• WebSphere Message Broker• WebSphere MQ• Websphere SI Bus• Sonic ESB• System z (CICS and IMS)• TIBCO ActiveMatrix• UDDI• Web Services• WebSphere RR• WSDL• BPM• Databases• Log Files

Supporting technologies the business depends onProtocols, message formats, and technologies

Test suites and Continuous Integration

Continuous testing with virtualized services

Automating deployment and testing to production-like environments

Databases Mainframeapplications

Third-partyServices

Rational Test Virtualization Server

Deploy

Application changes being tested

virtualized services

Dev QA

Rational Team

Concert

JenkinsBuild

Deploy

Rational Test Workbench

Test

Deploy

IBM UrbanCode DeployRTW plugin

RTVS plugin

Testing and Virtualizing Web Technologies

HTTP(s)

XML REST

SOAP JSON

TCP UDP

XSD

WSDL

WADL

RECORD

RECORD

Accelerator

Accelerator

SWIFT/MQ

HL7/TCP

X12/SOAP

JSON/REST

IBMIntegrationBus

SAP PI

CICS

Database

App Server

Integration Testing and Service Virtualization can significantly de-risk the migration and reduce the time required.

Development/test teams can build against virtual services and test early and test continuously using messages captured from the real systems. Exception/edge case testing is much easier to do.

RTW understands a wide range of technologies and messaging protocols (including DFDL) making it well-aligned to IIB users

Most Orchestration Engines have their own proprietary runtime (unlike JEE) which means migration between vendors involves risk as development is required. Test environments are expensive and it is extremely difficult to fault-find in an environment with many moving parts

Example Scenario:IBM Integration Bus – Migration from other vendors

WebSphere ESB Support Timeline

WESB 6.2

WESB 7.0

WESB 7.5, 7.5.1

IBM Integration BusMessage Broker

2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019

Convert artefacts

for use with IIB

PreviouslyAnnounced EOS for

WESB 6.2

Re-announced EOS for WESB 6.2

April 2018

Convert

Demo

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Notices and Disclaimers

23

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