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Business Process Testing Johan Adriaansen April 3 rd 2008 IT@CORK - Business Process Testing April 3 rd 2008
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Business Process Testing
Johan AdriaansenApril 3rd 2008
IT@CORK - Business Process Testing April 3rd 2008
Agenda
• Introduction• Top 3 Reasons why Automation
Fails• Why bother? Why Automate?• Traditional Test Automation
Approach• Business Process Testing• Examples• Questions
IT@CORK - Business Process Testing April 3rd 2008
Introduction
• 10+ years of Test Automation experience
• Consultant • Design Business Process
based automation solutions
• Citco – Performance & Automated Testing Group
IT@CORK - Business Process Testing April 3rd 2008
Top 3 Reasons why Automation Fails
• Unrealistic Expectations• Maintenance Nightmare• Lack of Support
IT@CORK - Business Process Testing April 3rd 2008
Unrealistic Expectations• Management• Cost• Effort• “Silver Bullet”• No patience
IT@CORK - Business Process Testing April 3rd 2008
Maintenance Nightmare• Reliance on single person• Not transparent• Not scalable• 1000 tests 1000 scripts• Repetitive code• Large applications• Many builds / short
timelines• RAD / Agile
IT@CORK - Business Process Testing April 3rd 2008
Lack of Support• Awareness• Test Environment• Tooling• Test Data• Hardware• Business knowledge
IT@CORK - Business Process Testing April 3rd 2008
Why bother? Why Automate?• Growing functionality• Short timeframe• Can save time and money• reduces involvement of
valuable specialists• it can consolidate a
structured way of working• Clean / Repeatable
process • It’s fun
01234567
Size
1 2 3 4 5 6 7Release
Existing Modified New
IT@CORK - Business Process Testing April 3rd 2008
Traditional Automation Approach
• Record & Playback• “poke and hope”• Requires stable application• Fast ramp up• Not suitable for
applications without UI
IT@CORK - Business Process Testing April 3rd 2008
Traditional Automation Approach
• Production Line• Many / very similar scripts• Not searchable• What scripts are affected
by application changes?• Maintenance Nightmare• Prototyping
IT@CORK - Business Process Testing April 3rd 2008
Business Process Testing• First developed in 1994• AEX• Calculations• Actionword Based Testing• Hans Buwalda
www.happytester.com • Large scale use• HP BPT• Industry, government,
finance, publishing, telecommunication…
IT@CORK - Business Process Testing April 3rd 2008
Business Process Testing• Split How & What to test• Test Analysis Creating
Tests using limited number of Business Processes
• Test Navigation Creating automated scripts for each Business Process
IT@CORK - Business Process Testing April 3rd 2008
Test Analysis• The WHAT• Requires business knowledge• SME’s• No application required• Risk Based• Readable• Non technical• Spreadsheets• Tools / macros
IT@CORK - Business Process Testing April 3rd 2008
test case example of a test caseParam Name Input Exp Result
business process Param Value
MSISDN Initial Credits Activeadd subscriber 0031614243412 1 Yes
Username Passw ordlogin Tester *****
File Name 1 File Name 2 Samecompare files tstf ile_A.txt tstf ile_B.txt Yes
Client Number First Name Second Namecheck client A5474584 Johan Adriaansen
Test Navigation• The HOW• Technical• Little / no business
knowledge required• Developers• Requires application• Programming functions• SDE• Off-shoring
IT@CORK - Business Process Testing April 3rd 2008
The Engine• Standard Module• Reads Excel sheets• Calls automated functions• Reporting• Error handling• Keep & Refer• Manage Test Data• Reusable asset• Keep it simple• Integration with Test
Management tools
IT@CORK - Business Process Testing April 3rd 2008
Example 1• 1 of World largest
petrochemical companies• Consolidation of
applications• 2000, €• Team of 20+ testers • 2 Automation engineers
IT@CORK - Business Process Testing April 3rd 2008
Example 1• Very little system
documentation available• All tests in BPT format
– Reviewed pre execution– Results signed off – Stored
• Mainframe WEB• >75% automated• “signature” Business
Process• 1% code ratio
IT@CORK - Business Process Testing April 3rd 2008
IT@CORK - Business Process Testing April 3rd 2008
Example 1
Example 2• Short Message Service
Centre • Open VMS / UNIX• Terminal Emulator• Excel macro• HLLAPI• Minimal cost
IT@CORK - Business Process Testing April 3rd 2008
IT@CORK - Business Process Testing April 3rd 2008
Example 2
Example 3• SmartNet• Tactical Access Unit• ATM switch• Radio / Ethernet /
Intercom / ISDN• MMI• Highly configurable
IT@CORK - Business Process Testing April 3rd 2008
Example 3• Nothing to record• First 5 months:
– Stub development– Framework development– Test case creation
• 1000x faster execution• CMM Level 3
IT@CORK - Business Process Testing April 3rd 2008
Example 3
IT@CORK - Business Process Testing April 3rd 2008
Lets Compare• Planning• Scalability• Platform independency• Transparency• Shared responsibility• Outsourcing• Ease of maintenance
IT@CORK - Business Process Testing April 3rd 2008
Questions?
IT@CORK - Business Process Testing April 3rd 2008
