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| 1 | +using System; |
| 2 | +using System.Collections.Generic; |
| 3 | +using System.Linq; |
| 4 | +using System.Threading.Tasks; |
| 5 | +using Akka.Actor; |
| 6 | +using Akka.Configuration; |
| 7 | +using Akka.Hosting; |
| 8 | +using Akka.Persistence.Journal; |
| 9 | +using Akka.Persistence.Query; |
| 10 | +using Akka.Persistence.Query.InMemory; |
| 11 | +using Akka.Streams; |
| 12 | +using Akka.Streams.Dsl; |
| 13 | +using FluentAssertions; |
| 14 | +using Xunit; |
| 15 | +using Xunit.Abstractions; |
| 16 | + |
| 17 | +namespace Akka.Persistence.Hosting.Tests; |
| 18 | + |
| 19 | +/// <summary> |
| 20 | +/// Regression test for https://github.com/akkadotnet/Akka.Persistence.Sql/issues/552 |
| 21 | +/// Verifies that event adapters configured via the NEW callback API are actually invoked at runtime |
| 22 | +/// by checking that events are tagged and appear in EventsByTag queries. |
| 23 | +/// </summary> |
| 24 | +public class EventAdapterRuntimeInvocationSpecs : Akka.Hosting.TestKit.TestKit |
| 25 | +{ |
| 26 | + private readonly ITestOutputHelper _output; |
| 27 | + |
| 28 | + public EventAdapterRuntimeInvocationSpecs(ITestOutputHelper output) |
| 29 | + { |
| 30 | + _output = output; |
| 31 | + } |
| 32 | + |
| 33 | + #region Test Events and Actors |
| 34 | + |
| 35 | + public sealed class TestEvent |
| 36 | + { |
| 37 | + public TestEvent(string data) { Data = data; } |
| 38 | + public string Data { get; } |
| 39 | + } |
| 40 | + |
| 41 | + /// <summary> |
| 42 | + /// Event adapter that tags TestEvent instances |
| 43 | + /// </summary> |
| 44 | + public sealed class TestEventTagger : IWriteEventAdapter |
| 45 | + { |
| 46 | + public TestEventTagger(ExtendedActorSystem system) { } |
| 47 | + |
| 48 | + public string Manifest(object evt) => string.Empty; |
| 49 | + |
| 50 | + public object ToJournal(object evt) |
| 51 | + { |
| 52 | + return evt switch |
| 53 | + { |
| 54 | + TestEvent => new Tagged(evt, new[] { "test-tag" }), |
| 55 | + _ => evt |
| 56 | + }; |
| 57 | + } |
| 58 | + } |
| 59 | + |
| 60 | + public sealed class TestPersistentActor : ReceivePersistentActor |
| 61 | + { |
| 62 | + private readonly List<string> _events = new(); |
| 63 | + |
| 64 | + public sealed class SaveEvent |
| 65 | + { |
| 66 | + public SaveEvent(string data) { Data = data; } |
| 67 | + public string Data { get; } |
| 68 | + } |
| 69 | + |
| 70 | + public sealed class GetEvents |
| 71 | + { |
| 72 | + public static readonly GetEvents Instance = new(); |
| 73 | + private GetEvents() { } |
| 74 | + } |
| 75 | + |
| 76 | + public TestPersistentActor(string persistenceId) |
| 77 | + { |
| 78 | + PersistenceId = persistenceId; |
| 79 | + |
| 80 | + Command<SaveEvent>(cmd => |
| 81 | + { |
| 82 | + var evt = new TestEvent(cmd.Data); |
| 83 | + Persist(evt, _ => |
| 84 | + { |
| 85 | + _events.Add(cmd.Data); |
| 86 | + Sender.Tell("OK"); |
| 87 | + }); |
| 88 | + }); |
| 89 | + |
| 90 | + Command<GetEvents>(_ => |
| 91 | + { |
| 92 | + Sender.Tell(_events.ToArray()); |
| 93 | + }); |
| 94 | + |
| 95 | + Recover<TestEvent>(evt => |
| 96 | + { |
| 97 | + _events.Add(evt.Data); |
| 98 | + }); |
| 99 | + } |
| 100 | + |
| 101 | + public override string PersistenceId { get; } |
| 102 | + } |
| 103 | + |
| 104 | + #endregion |
| 105 | + |
| 106 | + protected override void ConfigureAkka(AkkaConfigurationBuilder builder, IServiceProvider provider) |
| 107 | + { |
| 108 | + // Use NEW callback API to add event adapters |
| 109 | + builder.WithInMemoryJournal( |
| 110 | + journalBuilder: journal => |
| 111 | + { |
| 112 | + journal.AddWriteEventAdapter<TestEventTagger>( |
| 113 | + "test-tagger", |
| 114 | + new[] { typeof(TestEvent) }); |
| 115 | + }); |
| 116 | + } |
| 117 | + |
| 118 | + [Fact] |
| 119 | + public async Task EventAdapter_Should_Tag_Events_And_Appear_In_EventsByTag_Query() |
| 120 | + { |
| 121 | + // Verify adapter is in HOCON configuration |
| 122 | + var config = Sys.Settings.Config; |
| 123 | + var journalConfig = config.GetConfig("akka.persistence.journal.inmem"); |
| 124 | + |
| 125 | + _output.WriteLine("=== HOCON Configuration ==="); |
| 126 | + _output.WriteLine(journalConfig.ToString()); |
| 127 | + |
| 128 | + journalConfig.HasPath("event-adapters").Should().BeTrue("event-adapters should be in HOCON"); |
| 129 | + journalConfig.HasPath("event-adapter-bindings").Should().BeTrue("event-adapter-bindings should be in HOCON"); |
| 130 | + |
| 131 | + // Create persistent actor |
| 132 | + var actor = Sys.ActorOf(Props.Create(() => new TestPersistentActor("test-1"))); |
| 133 | + |
| 134 | + // Persist 3 events |
| 135 | + await actor.Ask<string>(new TestPersistentActor.SaveEvent("event-1"), TimeSpan.FromSeconds(3)); |
| 136 | + await actor.Ask<string>(new TestPersistentActor.SaveEvent("event-2"), TimeSpan.FromSeconds(3)); |
| 137 | + await actor.Ask<string>(new TestPersistentActor.SaveEvent("event-3"), TimeSpan.FromSeconds(3)); |
| 138 | + |
| 139 | + // CRITICAL: Use Persistence Query to verify events were tagged |
| 140 | + var queries = Sys.ReadJournalFor<InMemoryReadJournal>(InMemoryReadJournal.Identifier); |
| 141 | + var materializer = Sys.Materializer(); |
| 142 | + |
| 143 | + await AwaitAssertAsync(async () => |
| 144 | + { |
| 145 | + var taggedEvents = await queries |
| 146 | + .CurrentEventsByTag("test-tag", Offset.NoOffset()) |
| 147 | + .RunWith(Sink.Seq<EventEnvelope>(), materializer); |
| 148 | + |
| 149 | + _output.WriteLine($"Found {taggedEvents.Count()} events with tag 'test-tag'"); |
| 150 | + |
| 151 | + taggedEvents.Count().Should().Be(3, |
| 152 | + "event adapter should have tagged 3 events - if this fails, the adapter was not invoked at runtime"); |
| 153 | + |
| 154 | + // Verify the events are the correct type |
| 155 | + taggedEvents.All(e => e.Event is TestEvent).Should().BeTrue(); |
| 156 | + }); |
| 157 | + } |
| 158 | +} |
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