Public engineering evidence · SAP BTP

SAP CAP + Fiori, made inspectable.

A deployable reference that follows the technical path from CDS models and OData services to Fiori Elements, authorization, integration failure handling, automated tests and CI.

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12service and behavior tests
3architecture decision records
3CI gates: lint, test, build

Architecture covered

  • CAP services and CDS data modeling
  • OData V4 and Fiori Elements applications
  • HANA HDI, XSUAA, App Router and Work Zone deployment design
  • External OData integration with controlled degradation
  • Design-only CAP → Integration Suite → S/4HANA delivery blueprint

Behavior proved

  • Role-based access and explicit 403 rejection
  • Atomic stock protection under concurrent ordering
  • Deterministic fallback when an external provider fails
  • Production build and GitHub Actions verification
SAP BTPCAPCDSFiori ElementsOData V4HANAXSUAAIntegration designGitHub Actions

Integration design: ADR 0003 documents outbox delivery, idempotency, bounded retries, quarantine/replay and correlation. It is explicitly marked as a proposed, non-deployed exercise.

Scope note: this is an independent reference application published as engineering evidence. It contains no client code, confidential data or invented production metrics.