Niek Otten
c70840e5b7
Failing unit + acceptance tests for the Event Subscriber's NotificationProjector: a zaken/zaak/create notification yields one INGEDIEND projection row, duplicate deliveries collapse to one row, non-zaak/non-create notifications are ignored, and a rebuild repopulates the projection from the durable notification log (PRD §8.4). The projector is a no-op stub so the tests compile and fail on the assertions; the implementation follows in the green commit. The notification log doubles as the idempotency guard and rebuild source so a rebuild needs no OpenZaak access (§8.1). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
70 lines
2.4 KiB
C#
70 lines
2.4 KiB
C#
using EventSubscriber.Application;
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namespace EventSubscriber.Tests;
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/// <summary>Behaviour of the projector that turns NRC notifications into projection rows.
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/// The walking skeleton reacts only to a zaak being created (status INGEDIEND) and must
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/// tolerate duplicate and out-of-order deliveries (CLAUDE.md §8.6).</summary>
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public sealed class NotificationProjectorTests
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{
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private const string ZaakUrl = "http://openzaak:8000/zaken/api/v1/zaken/11111111-1111-1111-1111-111111111111";
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private readonly InMemoryNotificationLog _log = new();
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private readonly InMemoryProjectionStore _store = new();
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private NotificationProjector Projector() => new(_log, _store);
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private static Notification ZaakCreated(string url = ZaakUrl)
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=> new("zaken", "zaak", "create", new Uri(url));
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[Fact]
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public async Task creating_a_zaak_writes_one_row_with_status_ingediend()
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{
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await Projector().HandleAsync(ZaakCreated());
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var entry = Assert.Single(await _store.AllAsync());
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Assert.Equal("11111111-1111-1111-1111-111111111111", entry.Id);
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Assert.Equal(RegistrationStatus.Ingediend, entry.Status);
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}
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[Fact]
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public async Task replaying_the_same_notification_keeps_a_single_row()
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{
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var projector = Projector();
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await projector.HandleAsync(ZaakCreated());
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await projector.HandleAsync(ZaakCreated());
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Assert.Single(await _store.AllAsync());
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}
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[Fact]
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public async Task a_notification_on_another_kanaal_is_ignored()
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{
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await Projector().HandleAsync(new Notification("documenten", "enkelvoudiginformatieobject", "create", new Uri(ZaakUrl)));
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Assert.Empty(await _store.AllAsync());
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}
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[Fact]
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public async Task a_zaak_update_is_ignored_by_the_minimal_projection()
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{
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await Projector().HandleAsync(new Notification("zaken", "zaak", "update", new Uri(ZaakUrl)));
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Assert.Empty(await _store.AllAsync());
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}
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[Fact]
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public async Task rebuild_repopulates_the_projection_from_the_notification_log()
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{
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var projector = Projector();
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await projector.HandleAsync(ZaakCreated());
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await _store.ClearAsync();
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Assert.Empty(await _store.AllAsync());
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await projector.RebuildAsync();
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var entry = Assert.Single(await _store.AllAsync());
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Assert.Equal(RegistrationStatus.Ingediend, entry.Status);
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}
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}
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