agile, test Driven Process Solution development

1. Please do not SUPER SIZE ME
enterprise integration using the Camunda Fox
Plattform
Ralf Sigmund OPITZ CONSULTING
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 1

2. Project Goal:
Orchestrate Several Backend
Systems in long running processes
• Customer Frontend
• Customer Database
• Credit Rating Services
• Product Systems
• Email, Dating, Portal..
• Billing SAP
• Callcenter
• Mail-Gateway
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3. Architecture Goal:
Reduce Costs compared to former
individual solution
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 3

4. Project Constraint:
fixed Going Live Date
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 4

5. freenet Mindset
agile Methodology
Development
Java EE
Team Skills
JBoss,
Open Source
MySQL
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6. What does agile mean anyway?
• Shared knowledge / Transparency
• Everyone can contribute to their full potential
• Everyone can take Responsibility and Commit
to Goals
So we need:
=> Transparent Requirements
=> Transparent Project Status
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 6

7. BPMN 2.0 is agile ;-)
BPEL is not
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 7

8. Everyone needs Access to the Technical
Model. What’s Your Dream Tool?
Business Developer
User (Nerd)
Integrates with
Ease of use
Code
Context,
Comments, XML Editing
Glossary
Graphical
Model is code Fox Designer
History /Diff
Versioning SCM
Signavio Repository included Git/Subversion
Git
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9. Transparency to the Business User
not only at Design Time
Monitori Transpar
Model Engine
ng ency
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 9

10. There is more than one type of Process
Solution
• Executing & Monitoring Processes
• Controlling Processes
• Human Workflow freenet Transparency
• User tasks
• Organisational roles
• Task Escalation Control
• Substitution rules
Human Workflow
• Minimize human
workflow!
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 10

11. Choosing The Platform
Developer
Functionality Transparency Testabilty
friendliness
Business
Automated
Process Engine compatible BPMN Open Source
Module Tests
2.0 modelling
Process
Runtime Monitoring and
SCM based
Environment Controlling
Application
Standard Toolchain
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 11

12. Activiti
Out of the
Individual
Box
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 12

13. Suites (IBM, Oracle,..)
Out of the
Individual
Box
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 13

14. camunda fox
Out of the
Individual
Box
Monitoring / Control
Workflow Logic
Application
Powerful Runtime
User Task Uis
Environment
Integration /
APIs
Adapter
Process Engine Process
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 14

15. JBOSS AS7 as Runtime Environment
• From self Contained to everything is provided
– JPA 2.0, JAX-RS, Guava, Apache Commons, CDI,..
might be good enough
• Open Source (really!)
• Useful Architecture to start from
• Fox adds Activiti in a sensible way
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16. Function Collaboration ilities
Process
Design Testability
engine
Runtime Monitoring
Modifiability
Environment /Controlling
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 16

17. So hopefully I convinced You
…that the fox additions to Activiti make it even
more suitable for agile Projects
Generate Business value earlier
Maximize Transparency
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 17

18. What about transparent project
progress?
DONE = it’s tested
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 18

19. Testing with Arquillian, Jenkins,
Mockito…
end2End /
• Test Department
Integration Test
Process Logic • Ohne Services
(Module Test) • Ohne Subprozesse
• Integration
Services externer Services
(Module Test) • Schnittstellen
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 19

20. Test Strategy
• Focus on single item to test
• Maximize Coverage of Item Under Test
• Start with Happy Path Test
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 20

21. Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 21

22. Shrinkwarp does bpmn20
Goal: Replace Sub process with Mock Process
Shrinkwarp defines the Deployment Unit:
Replace Sub process
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23. Mocking with Delegates
Simple Mock Process
EL Injected Mock Delegate
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 23

24. Preparing the Test with Mockito
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 24

25. Assert the actual process flow with
Mockito
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 25

26. Java CDI Magic – compare this with
BPEL, XPATH, XQUERY
@Inject
private BusinessProcess businessProcess;
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 26

27. Contextual Business Process Managemet
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 27

28. What about transparent project
progress?
DONE = it’s tested
Answer:
We can use all state of the Art stuff we
already know.
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30. Common Mindset
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 31

31. Thank You!
OPITZ CONSULTING Hamburg GmbH
Dr. Ralf Sigmund – Solution Architect
Butendeichsweg 2
https://github.com/sistar/camunda-fox-demo-app 21129 Hamburg
Telefon: +49 40 741122-1344
Twitter @sistar – tweet if you would like the full testing example Mobil: +49 173 5100570
ralf.sigmund@opitz-consulting.com
Kudos to @codescape for the sample code
Freenet Customer Case Study @ Activiti Day Berlin 2012 © OPITZ CONSULTING GmbH 2012 Seite 33