From 27e2572dedede92057ca64fd535f66e444be5418 Mon Sep 17 00:00:00 2001
From: Herald <m.herald@htm.nl>
Date: Fri, 24 Apr 2026 16:51:48 +0200
Subject: [PATCH] updated to python v13.3 and added mockable tests

---
 .../README.md                                 |  67 +++++++-
 .../service_factory.cpython-314.pyc           | Bin 0 -> 1251 bytes
 .../app/__pycache__/settings.cpython-314.pyc  | Bin 0 -> 1050 bytes
 .../__pycache__/crud_client.cpython-314.pyc   | Bin 0 -> 5929 bytes
 .../mock_crud_client.cpython-314.pyc          | Bin 0 -> 5980 bytes
 .../app/clients/mock_crud_client.py           | 162 ++++++++++++++++++
 .../domain/__pycache__/models.cpython-314.pyc | Bin 0 -> 4109 bytes
 .../__pycache__/fastapi_app.cpython-314.pyc   | Bin 0 -> 1797 bytes
 .../app/entrypoints/azure_function.py         |   6 +-
 .../app/entrypoints/fastapi_app.py            |  11 +-
 .../app/service_factory.py                    |  18 ++
 ...cation_preferences_service.cpython-314.pyc | Bin 0 -> 12177 bytes
 .../app/settings.py                           |   4 +
 .../requirements.txt                          |   4 +-
 ...ock_scenarios.cpython-314-pytest-8.3.4.pyc | Bin 0 -> 9860 bytes
 ...ransformation.cpython-314-pytest-8.3.4.pyc | Bin 0 -> 8127 bytes
 .../tests/test_mock_scenarios.py              |  69 ++++++++
 17 files changed, 321 insertions(+), 20 deletions(-)
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/__pycache__/service_factory.cpython-314.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/__pycache__/settings.cpython-314.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/clients/__pycache__/crud_client.cpython-314.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/clients/__pycache__/mock_crud_client.cpython-314.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/clients/mock_crud_client.py
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/domain/__pycache__/models.cpython-314.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/__pycache__/fastapi_app.cpython-314.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/service_factory.py
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/app/services/__pycache__/notification_preferences_service.cpython-314.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/tests/__pycache__/test_mock_scenarios.cpython-314-pytest-8.3.4.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/tests/__pycache__/test_transformation.cpython-314-pytest-8.3.4.pyc
 create mode 100644 src/python/notificatiesbeheren/notification-preferences-example/tests/test_mock_scenarios.py

diff --git a/src/python/notificatiesbeheren/notification-preferences-example/README.md b/src/python/notificatiesbeheren/notification-preferences-example/README.md
index 07436ed..a2594dd 100644
--- a/src/python/notificatiesbeheren/notification-preferences-example/README.md
+++ b/src/python/notificatiesbeheren/notification-preferences-example/README.md
@@ -16,32 +16,81 @@ Reference implementation for the Service Engine `GET /customers/notificationpref
 
 ## Runtime options
 
-### Container App / local FastAPI
+### Local FastAPI with real CRUD APIs
 
-```bash
-pip install -r requirements.txt
-export NOTIFICATIONS_CRUD_BASE_URL=https://your-notifications-crud-api.example.nl
-export CUSTOMERS_CRUD_BASE_URL=https://your-customers-crud-api.example.nl
-uvicorn app.entrypoints.fastapi_app:app --reload
+```powershell
+.\.venv\Scripts\python.exe -m pip install -r requirements.txt
+$env:NOTIFICATIONS_CRUD_BASE_URL="https://your-notifications-crud-api.example.nl"
+$env:CUSTOMERS_CRUD_BASE_URL="https://your-customers-crud-api.example.nl"
+.\.venv\Scripts\python.exe -m uvicorn app.entrypoints.fastapi_app:app --reload
 ```
 
 Call:
 
-```bash
-curl -H "X-HTM-CUSTOMER-PROFILE-ID-HEADER: 42" \
-  "http://localhost:8000/customers/notificationpreferences?deviceId=5bedce29-af0c-4f3c-b182-2caa8a1f9377"
+```powershell
+Invoke-RestMethod `
+  -Uri "http://127.0.0.1:8000/customers/notificationpreferences?deviceId=device-1" `
+  -Headers @{"X-HTM-CUSTOMER-PROFILE-ID-HEADER"="42"}
 ```
 
+### Local FastAPI with mock data
+
+Use mock mode when you want to demo or test the transformation without live CRUD APIs.
+
+```powershell
+$env:USE_MOCK_DATA="true"
+$env:MOCK_SCENARIO="mixed"
+.\.venv\Scripts\python.exe -m uvicorn app.entrypoints.fastapi_app:app --reload
+```
+
+Open:
+
+```text
+http://127.0.0.1:8000/docs
+```
+
+Health check:
+
+```text
+http://127.0.0.1:8000/health
+```
+
+Available mock scenarios:
+
+| Scenario | Purpose |
+|---|---|
+| `mixed` | Default-on push, default-off email, plus customer deviations |
+| `defaults_only` | No customer preferences, so only defaults are applied |
+| `global_override` | Preference with `resourceIdentifier = null` applies to all resources |
+| `inactive_subscription` | Subscription is returned but marked inactive |
+
 ### Azure Function
 
 Use `app/entrypoints/azure_function.py` as the HTTP-trigger body. Keep the `app/services` and `app/domain` modules unchanged.
 
+## Running automated tests
+
+```powershell
+.\.venv\Scripts\python.exe -m pytest
+```
+
+The tests cover:
+
+- default-on channel without preference -> active
+- default-on channel with preference -> inactive deviation
+- default-off channel without preference -> inactive
+- default-off channel with preference -> active deviation
+- global preference where `resourceIdentifier = null`
+- device filtering via `deviceId`
+- inactive subscription still returned as inactive
+
 ## Design choice
 
 The implementation deliberately separates:
 
 - HTTP entrypoints: request/response only
 - CRUD client: raw REST calls only
+- Mock CRUD client: deterministic local/demo data
 - Service layer: composition and transformation logic
 - Domain models: frontend/SE response shape
 
diff --git a/src/python/notificatiesbeheren/notification-preferences-example/app/__pycache__/service_factory.cpython-314.pyc b/src/python/notificatiesbeheren/notification-preferences-example/app/__pycache__/service_factory.cpython-314.pyc
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diff --git a/src/python/notificatiesbeheren/notification-preferences-example/app/clients/mock_crud_client.py b/src/python/notificatiesbeheren/notification-preferences-example/app/clients/mock_crud_client.py
new file mode 100644
index 0000000..253d00e
--- /dev/null
+++ b/src/python/notificatiesbeheren/notification-preferences-example/app/clients/mock_crud_client.py
@@ -0,0 +1,162 @@
+from __future__ import annotations
+from copy import deepcopy
+from typing import Any, Optional
+
+
+class MockCrudClient:
+    """Deterministic in-memory CRUD client for local demos and tests.
+
+    It implements the same methods as CrudApiClient, so the service layer does
+    not know whether data comes from real CRUD APIs or from mock fixtures.
+    """
+
+    def __init__(self, scenario: str = "mixed"):
+        self.scenario = scenario
+
+    async def get_notification_subscriptions(self, customer_profile_id: int) -> list[dict[str, Any]]:
+        subscriptions = deepcopy(MOCK_SUBSCRIPTIONS.get(self.scenario, MOCK_SUBSCRIPTIONS["mixed"]))
+        for subscription in subscriptions:
+            subscription["customerProfileId"] = customer_profile_id
+        return subscriptions
+
+    async def get_notification_category_defaults(self, notification_category_id: int) -> Optional[dict[str, Any]]:
+        return deepcopy(MOCK_CATEGORIES.get(notification_category_id))
+
+    async def get_ovpay_token(self, ovpay_token_id: Optional[int]) -> Optional[dict[str, Any]]:
+        if ovpay_token_id is None:
+            return None
+        return deepcopy(MOCK_OVPAY_TOKENS.get(ovpay_token_id, {"ovPayTokenId": ovpay_token_id, "alias": None}))
+
+    async def get_devices(self, customer_profile_id: int) -> list[dict[str, Any]]:
+        return deepcopy(MOCK_DEVICES)
+
+    async def get_persons(self, customer_profile_id: int) -> list[dict[str, Any]]:
+        return deepcopy(MOCK_CUSTOMERS)
+
+
+MOCK_CATEGORIES: dict[int, dict[str, Any]] = {
+    1: {
+        "notificationCategoryId": 1,
+        "name": "Reizen",
+        "groupName": "Mijn passen",
+        "eventTypes": [
+            {
+                "eventTypeId": 10,
+                "name": "OVPAY_CHECK_IN",
+                "subName": "Check-in",
+                "prettyName": "Check-in bevestiging",
+                "eventTypeChannels": [
+                    {
+                        "eventTypeChannelId": "etc-push-default-on",
+                        "channel": {
+                            "channelId": 1,
+                            "name": "Push",
+                            "resourceName": {"resourceNameId": 8, "name": "devices"},
+                        },
+                        "isDefault": True,
+                        "isMandatory": False,
+                    },
+                    {
+                        "eventTypeChannelId": "etc-email-default-off",
+                        "channel": {
+                            "channelId": 2,
+                            "name": "E-mail",
+                            "resourceName": {"resourceNameId": 4, "name": "customers"},
+                        },
+                        "isDefault": False,
+                        "isMandatory": False,
+                    },
+                ],
+            },
+            {
+                "eventTypeId": 20,
+                "name": "SERVICE_MESSAGE",
+                "subName": "Service",
+                "prettyName": "Servicebericht",
+                "eventTypeChannels": [
+                    {
+                        "eventTypeChannelId": "etc-email-mandatory",
+                        "channel": {
+                            "channelId": 2,
+                            "name": "E-mail",
+                            "resourceName": {"resourceNameId": 4, "name": "customers"},
+                        },
+                        "isDefault": True,
+                        "isMandatory": True,
+                    }
+                ],
+            },
+        ],
+    }
+}
+
+MOCK_SUBSCRIPTIONS: dict[str, list[dict[str, Any]]] = {
+    # Mixed scenario demonstrates both default behavior and customer deviations.
+    "mixed": [
+        {
+            "notificationSubscriptionId": "sub-mixed-1",
+            "notificationCategoryId": 1,
+            "notificationCategory": {"notificationCategoryId": 1, "name": "Reizen", "groupName": "Mijn passen"},
+            "customerProfileId": 42,
+            "ovPayTokenId": 112,
+            "subscriptionActivities": [{"timestamp": "2026-04-01T10:00:00Z", "isActive": True}],
+            "notificationPreferences": [
+                # Default push=true: this row opts out only device-2.
+                {"notificationPreferenceId": "pref-push-device-2-off", "eventTypeChannelId": "etc-push-default-on", "resourceIdentifier": "device-2"},
+                # Default email=false: this row opts in the customer's email resource.
+                {"notificationPreferenceId": "pref-email-on", "eventTypeChannelId": "etc-email-default-off", "resourceIdentifier": "42"},
+            ],
+        }
+    ],
+    # No preferences: output should be entirely based on category defaults.
+    "defaults_only": [
+        {
+            "notificationSubscriptionId": "sub-defaults-1",
+            "notificationCategoryId": 1,
+            "notificationCategory": {"notificationCategoryId": 1, "name": "Reizen", "groupName": "Mijn passen"},
+            "customerProfileId": 42,
+            "ovPayTokenId": 112,
+            "subscriptionActivities": [{"timestamp": "2026-04-01T10:00:00Z", "isActive": True}],
+            "notificationPreferences": [],
+        }
+    ],
+    # Global preference: null resourceIdentifier applies the deviation to all resources.
+    "global_override": [
+        {
+            "notificationSubscriptionId": "sub-global-1",
+            "notificationCategoryId": 1,
+            "notificationCategory": {"notificationCategoryId": 1, "name": "Reizen", "groupName": "Mijn passen"},
+            "customerProfileId": 42,
+            "ovPayTokenId": 112,
+            "subscriptionActivities": [{"timestamp": "2026-04-01T10:00:00Z", "isActive": True}],
+            "notificationPreferences": [
+                {"notificationPreferenceId": "pref-all-push-off", "eventTypeChannelId": "etc-push-default-on", "resourceIdentifier": None}
+            ],
+        }
+    ],
+    # Subscription inactive while preferences are still written out for the frontend.
+    "inactive_subscription": [
+        {
+            "notificationSubscriptionId": "sub-inactive-1",
+            "notificationCategoryId": 1,
+            "notificationCategory": {"notificationCategoryId": 1, "name": "Reizen", "groupName": "Mijn passen"},
+            "customerProfileId": 42,
+            "ovPayTokenId": 112,
+            "subscriptionActivities": [{"timestamp": "2026-04-01T10:00:00Z", "isActive": False}],
+            "notificationPreferences": [],
+        }
+    ],
+}
+
+MOCK_OVPAY_TOKENS = {
+    112: {"ovPayTokenId": 112, "alias": "Mijn betaalpas"},
+}
+
+MOCK_DEVICES = [
+    {"deviceId": "device-1", "alias": "Mijn iPhone"},
+    {"deviceId": "device-2", "alias": "Werktelefoon"},
+]
+
+MOCK_CUSTOMERS = [
+    {"customerProfileId": 42, "person": {"emailAddress": "klant@example.nl"}},
+]
diff --git a/src/python/notificatiesbeheren/notification-preferences-example/app/domain/__pycache__/models.cpython-314.pyc b/src/python/notificatiesbeheren/notification-preferences-example/app/domain/__pycache__/models.cpython-314.pyc
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diff --git a/src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/azure_function.py b/src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/azure_function.py
index 9822074..25d9a57 100644
--- a/src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/azure_function.py
+++ b/src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/azure_function.py
@@ -1,9 +1,7 @@
 from __future__ import annotations
 import azure.functions as func
 
-from app.clients.crud_client import NotificationsCrudClient
-from app.services.notification_preferences_service import NotificationPreferencesService
-from app.settings import settings
+from app.service_factory import create_notification_preferences_service
 
 
 async def main(req: func.HttpRequest) -> func.HttpResponse:
@@ -11,7 +9,7 @@ async def main(req: func.HttpRequest) -> func.HttpResponse:
     if not customer_profile_id:
         return func.HttpResponse("Missing X-HTM-CUSTOMER-PROFILE-ID-HEADER", status_code=400)
 
-    service = NotificationPreferencesService(NotificationsCrudClient(settings.notifications_crud_base_url, settings.customers_crud_base_url))
+    service = create_notification_preferences_service()
     result = await service.get_customer_notification_preferences(
         customer_profile_id=int(customer_profile_id),
         device_id=req.params.get("deviceId"),
diff --git a/src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/fastapi_app.py b/src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/fastapi_app.py
index 567dc8d..909e3ca 100644
--- a/src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/fastapi_app.py
+++ b/src/python/notificatiesbeheren/notification-preferences-example/app/entrypoints/fastapi_app.py
@@ -1,16 +1,16 @@
 from __future__ import annotations
 from fastapi import FastAPI, Header, Query
 
-from app.clients.crud_client import NotificationsCrudClient
 from app.domain.models import CustomerNotificationPreferencesResponse
-from app.services.notification_preferences_service import NotificationPreferencesService
+from app.service_factory import create_notification_preferences_service
 from app.settings import settings
 
 app = FastAPI(title="SE Notifications example")
 
 
-def get_service() -> NotificationPreferencesService:
-    return NotificationPreferencesService(NotificationsCrudClient(settings.notifications_crud_base_url, settings.customers_crud_base_url))
+@app.get("/health")
+async def health():
+    return {"status": "ok", "useMockData": settings.use_mock_data, "mockScenario": settings.mock_scenario}
 
 
 @app.get("/customers/notificationpreferences", response_model=CustomerNotificationPreferencesResponse)
@@ -18,7 +18,8 @@ async def get_customer_notification_preferences(
     x_htm_customer_profile_id_header: int = Header(..., alias="X-HTM-CUSTOMER-PROFILE-ID-HEADER"),
     device_id: str | None = Query(default=None, alias="deviceId"),
 ):
-    return await get_service().get_customer_notification_preferences(
+    service = create_notification_preferences_service()
+    return await service.get_customer_notification_preferences(
         customer_profile_id=x_htm_customer_profile_id_header,
         device_id=device_id,
     )
diff --git a/src/python/notificatiesbeheren/notification-preferences-example/app/service_factory.py b/src/python/notificatiesbeheren/notification-preferences-example/app/service_factory.py
new file mode 100644
index 0000000..4cbe60b
--- /dev/null
+++ b/src/python/notificatiesbeheren/notification-preferences-example/app/service_factory.py
@@ -0,0 +1,18 @@
+from __future__ import annotations
+
+from app.clients.crud_client import CrudApiClient
+from app.clients.mock_crud_client import MockCrudClient
+from app.services.notification_preferences_service import NotificationPreferencesService
+from app.settings import settings
+
+
+def create_notification_preferences_service() -> NotificationPreferencesService:
+    if settings.use_mock_data:
+        return NotificationPreferencesService(MockCrudClient(settings.mock_scenario))
+
+    return NotificationPreferencesService(
+        CrudApiClient(
+            notifications_base_url=settings.notifications_crud_base_url,
+            customers_base_url=settings.customers_crud_base_url,
+        )
+    )
diff --git a/src/python/notificatiesbeheren/notification-preferences-example/app/services/__pycache__/notification_preferences_service.cpython-314.pyc b/src/python/notificatiesbeheren/notification-preferences-example/app/services/__pycache__/notification_preferences_service.cpython-314.pyc
new file mode 100644
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diff --git a/src/python/notificatiesbeheren/notification-preferences-example/app/settings.py b/src/python/notificatiesbeheren/notification-preferences-example/app/settings.py
index da3cd45..a347ded 100644
--- a/src/python/notificatiesbeheren/notification-preferences-example/app/settings.py
+++ b/src/python/notificatiesbeheren/notification-preferences-example/app/settings.py
@@ -5,5 +5,9 @@ class Settings(BaseSettings):
     notifications_crud_base_url: str = "http://localhost:8001"
     customers_crud_base_url: str = "http://localhost:8002"
 
+    # local development aid: set USE_MOCK_DATA=true to run without CRUD APIs
+    use_mock_data: bool = False
+    mock_scenario: str = "mixed"
+
 
 settings = Settings()
diff --git a/src/python/notificatiesbeheren/notification-preferences-example/requirements.txt b/src/python/notificatiesbeheren/notification-preferences-example/requirements.txt
index 238304d..d64d8e4 100644
--- a/src/python/notificatiesbeheren/notification-preferences-example/requirements.txt
+++ b/src/python/notificatiesbeheren/notification-preferences-example/requirements.txt
@@ -1,8 +1,8 @@
 fastapi==0.115.6
 uvicorn[standard]==0.34.0
 httpx==0.28.1
-pydantic==2.10.4
-pydantic-settings==2.7.1
+pydantic>=2.12.0
+pydantic-settings>=2.7.1
 azure-functions==1.21.3
 pytest==8.3.4
 pytest-asyncio==0.25.2
diff --git a/src/python/notificatiesbeheren/notification-preferences-example/tests/__pycache__/test_mock_scenarios.cpython-314-pytest-8.3.4.pyc b/src/python/notificatiesbeheren/notification-preferences-example/tests/__pycache__/test_mock_scenarios.cpython-314-pytest-8.3.4.pyc
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diff --git a/src/python/notificatiesbeheren/notification-preferences-example/tests/test_mock_scenarios.py b/src/python/notificatiesbeheren/notification-preferences-example/tests/test_mock_scenarios.py
new file mode 100644
index 0000000..15da9dc
--- /dev/null
+++ b/src/python/notificatiesbeheren/notification-preferences-example/tests/test_mock_scenarios.py
@@ -0,0 +1,69 @@
+import pytest
+
+from app.clients.mock_crud_client import MockCrudClient
+from app.services.notification_preferences_service import NotificationPreferencesService
+
+
+def _channels(result):
+    subscription = result.notificationCategories[0].notificationSubscriptions[0]
+    return {
+        channel.eventTypeChannelId: channel
+        for event_type in subscription.eventTypes
+        for channel in event_type.eventTypeChannels
+    }
+
+
+@pytest.mark.asyncio
+async def test_mixed_scenario_applies_default_on_and_default_off_deviations():
+    service = NotificationPreferencesService(MockCrudClient("mixed"))
+    result = await service.get_customer_notification_preferences(42)
+    channels = _channels(result)
+
+    push_resources = channels["etc-push-default-on"].resources
+    assert [(r.resourceIdentifier, r.isActive) for r in push_resources] == [
+        ("device-1", True),
+        ("device-2", False),
+    ]
+
+    email_resources = channels["etc-email-default-off"].resources
+    assert [(r.resourceIdentifier, r.isActive) for r in email_resources] == [("42", True)]
+
+
+@pytest.mark.asyncio
+async def test_defaults_only_scenario_writes_all_resources_from_defaults():
+    service = NotificationPreferencesService(MockCrudClient("defaults_only"))
+    result = await service.get_customer_notification_preferences(42)
+    channels = _channels(result)
+
+    assert [r.isActive for r in channels["etc-push-default-on"].resources] == [True, True]
+    assert [r.isActive for r in channels["etc-email-default-off"].resources] == [False]
+    assert channels["etc-email-mandatory"].isMandatory is True
+    assert [r.isActive for r in channels["etc-email-mandatory"].resources] == [True]
+
+
+@pytest.mark.asyncio
+async def test_global_override_applies_to_all_resources_when_resource_identifier_is_null():
+    service = NotificationPreferencesService(MockCrudClient("global_override"))
+    result = await service.get_customer_notification_preferences(42)
+    channels = _channels(result)
+
+    assert [r.isActive for r in channels["etc-push-default-on"].resources] == [False, False]
+
+
+@pytest.mark.asyncio
+async def test_device_filter_returns_only_requested_device_for_device_channels():
+    service = NotificationPreferencesService(MockCrudClient("mixed"))
+    result = await service.get_customer_notification_preferences(42, device_id="device-1")
+    channels = _channels(result)
+
+    assert [(r.resourceIdentifier, r.isActive) for r in channels["etc-push-default-on"].resources] == [("device-1", True)]
+
+
+@pytest.mark.asyncio
+async def test_inactive_subscription_is_visible_but_marked_inactive():
+    service = NotificationPreferencesService(MockCrudClient("inactive_subscription"))
+    result = await service.get_customer_notification_preferences(42)
+    subscription = result.notificationCategories[0].notificationSubscriptions[0]
+
+    assert subscription.isActive is False
+    assert subscription.eventTypes