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BPM -- context for testing


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Business Process Management (BPM) -- Context for testing

Business Process Management (BPM) -- Context for testing

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  • Transcript

    • 1. December 2008, Geneva Dr Alexander Samarin Business Process Management (BPM) Context for testing
    • 2. About me
      • An enterprise solutions architect
        • From a programmer to a systems architect
        • Experience in scientific, international, governmental and industry environments: CERN, ISO, IOC, BUPA, Groupe Mutuel, State of Geneva, EDQM, Bund ISB
        • Have created systems which work without me
        • Current specialisation is improving business process management systems
        • How to use together BPM, SOA, EA, ECM and IT governance
      BPM: Context for testing
    • 3. BPM as a tool for enterprise performance management
      • Enterprise business performance improvement
      • Service- and process-centric enterprise
      • Continual process improvement
      • BPM discipline
        • model, automate, control, execute, measure, optimise
      • Enterprise BPM system
        • set of business processes as well as practices and tools for governing its design, execution and evolution
      • BPM suite or Business Process Platform (BPP)
        • coherent set of software tools for facilitating the implementation of a BPM system
      BPM: Context for testing
    • 4. The goal – easy evolution of a BPM system
      • Experience shows that business wants separate requests for change to be implemented quickly
      • These changes are typically small (from the point of view of the business) and unpredictable (from the point of view of IT)
      • To carry out these changes easily and in a managed way, BPM systems must be properly architected & implemented & engineered
      BPM: Context for testing
    • 5. Too many stakeholders of BPM
      • Strategy
        • top manager
      • Business
        • manager
        • process owner
        • super-user
        • user
      • Project
        • manager
        • business analyst
      • IT
        • manager
        • enterprise architect
        • architect
        • developer
        • operator
      BPM: Context for testing
    • 6. Modelling of business processes is communication between people
      • Architecture (global) principles
        • Versionable artefacts
        • Digital , external , and virtual artefacts
        • All relationships are modelled explicitly
        • All models are made to be executable
      • Diagramming style in BPMN
      • A dozen practical patterns
      • Structuring for better “executability”
      • Modelling procedure
      • Use a common tool for prototyping (e.g. Intalio)
      BPM: Context for testing
    • 7. Processes and services Service as white box Process Service as black box BPM: Context for testing
    • 8. BPMN is a victim of its success
      • Typical Internet age “standard” – a draft proposal with a collection of features already implemented by participants
        • Too many shapes
      • Deliberate absence of execution semantic in version 1.x
        • Too simples to draw
      • Each tool interprets BPMN in its own way (e.g. Intalio does it via BPEL)
      • Battle around BPMN 2.0 is a fight between vendors
      BPM: Context for testing
    • 9. Diagramming style in BPMN
      • Pools
        • One or more explicit coordination pools
        • Human
        • Services
        • DISPATCH
      • Naming convention
      • Use of colours
        • Task meaning
        • Task performers
      BPM: Context for testing
    • 10. Practical patterns
      • Automated, Human, Automated
      • Man & Machine
      • Decoupled Business Logic
      • Initial Process Skeleton
      • Error Recovery Loop
      • Structure Your Process
      • Decide, Execute, Control
      BPM: Context for testing
    • 11. The modelling procedure
      • Its purpose is
        • to analyse a building block ( what it is supposed to do)
        • to synthesise its implementation ( how it does this) as the explicit coordination of other building blocks (processes or activities)
      • It is iterative – we can apply it until we have left only indivisible building blocks (i.e. activities)
      • Artefacts are constructed recursively, like Russian dolls
      BPM: Context for testing
    • 12. Four phases BPM: Context for testing
    • 13. Testing in Intalio
      • BPMN -> BPEL proprietary interpretation, but with explicit use of events
      • Each process is a service (for unit testing)
      • Manual trace for flow test (many clicks)
      • Support for XSD and XML instances (good enough to define different test scenarios)
      BPM: Context for testing
    • 14. Unstructured vs structured diagramming
      • Unstructured
      • Structured + explicit use of events for sync
      • Actually, 2 pools for coordination
      BPM: Context for testing Executed twice!
    • 15. Ideal situation – BPMN for users, but for vendors
      • Direct interpretation of BPMN
        • Standard and validatable execution semantic
        • Hide use of intermediate formats
      • Different levels of BPMN
      • Better understanding of BPMN events
      • Extra standards maybe necessary, as for HTML
        • XHTML (structure and content)
        • CSS (presentation)
        • DOM-based API (dynamic modification)
      • Vendors compete in compliance and performance (as with ACID3 test for Web browsers)
      BPM: Context for testing
    • 16. Thanks
      • Dr Alexander Samarin
      • [email_address]
      BPM: Context for testing