public void SnapshotStore_should_not_load_a_snapshot_given_non_matching_sequence_number_criteria()
{
SnapshotStore.Tell(
new LoadSnapshot(Pid, new SnapshotSelectionCriteria(7L), long.MaxValue),
_senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
if (result.Snapshot == null)
{
return(result.ToSequenceNr == long.MaxValue);
}
return(false);
}, new TimeSpan?());
SnapshotStore.Tell(new LoadSnapshot(Pid, SnapshotSelectionCriteria.Latest, 7L),
_senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
if (result.Snapshot == null)
{
return(result.ToSequenceNr == 7L);
}
return(false);
}, new TimeSpan?());
}
public void ShouldSerializeSnapshots()
{
if (!SupportsSerialization)
{
return;
}
var probe = CreateTestProbe();
var metadata = new SnapshotMetadata(Pid, 100L);
var snap = new TestPayload(probe.Ref);
SnapshotStore.Tell(new SaveSnapshot(metadata, snap), _senderProbe.Ref);
_senderProbe.ExpectMsg <SaveSnapshotSuccess>(o =>
{
Assertions.AssertEqual(metadata.PersistenceId, o.Metadata.PersistenceId);
Assertions.AssertEqual(metadata.SequenceNr, o.Metadata.SequenceNr);
});
var pid = Pid;
SnapshotStore.Tell(new LoadSnapshot(pid, SnapshotSelectionCriteria.Latest, long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(l =>
{
Assertions.AssertEqual(pid, l.Snapshot.Metadata.PersistenceId);
Assertions.AssertEqual(100L, l.Snapshot.Metadata.SequenceNr);
Assertions.AssertEqual(l.Snapshot.Snapshot, snap);
});
}
public void SnapshotStore_should_delete_a_single_snapshot_identified_by_SequenceNr_in_snapshot_metadata()
{
var snapshotMetadata = _metadata[2];
var metadata =
new SnapshotMetadata(snapshotMetadata.PersistenceId, snapshotMetadata.SequenceNr);
var message = new DeleteSnapshot(metadata);
var testProbe = CreateTestProbe();
Subscribe <DeleteSnapshot>(testProbe.Ref);
SnapshotStore.Tell(message, _senderProbe.Ref);
testProbe.ExpectMsg(message, new TimeSpan?());
_senderProbe.ExpectMsg <DeleteSnapshotSuccess>(new TimeSpan?());
SnapshotStore.Tell(
new LoadSnapshot(Pid, new SnapshotSelectionCriteria(metadata.SequenceNr),
long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg((Predicate <LoadSnapshotResult>)(result =>
{
if (result.ToSequenceNr == long.MaxValue && result.Snapshot != null &&
result.Snapshot.Metadata.Equals(_metadata[1]))
{
return(result.Snapshot.Snapshot.ToString() == "s-2");
}
return(false);
}), new TimeSpan?());
}
public void SnapshotStore_should_not_delete_snapshots_with_non_matching_upper_timestamp_bounds()
{
var snapshotMetadata = _metadata[3];
var criteria = new SnapshotSelectionCriteria(snapshotMetadata.SequenceNr,
snapshotMetadata.Timestamp.Subtract(TimeSpan.FromTicks(1L)), 0L, new DateTime?());
var message = new DeleteSnapshots(Pid, criteria);
var testProbe = CreateTestProbe();
Subscribe <DeleteSnapshots>(testProbe.Ref);
SnapshotStore.Tell(message, _senderProbe.Ref);
testProbe.ExpectMsg(message, new TimeSpan?());
_senderProbe.ExpectMsg <DeleteSnapshotsSuccess>(m => m.Criteria.Equals(criteria), new TimeSpan?());
SnapshotStore.Tell(
new LoadSnapshot(Pid,
new SnapshotSelectionCriteria(snapshotMetadata.SequenceNr, snapshotMetadata.Timestamp, 0L,
new DateTime?()), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg((Predicate <LoadSnapshotResult>)(result =>
{
if (result.ToSequenceNr == long.MaxValue && result.Snapshot != null &&
result.Snapshot.Metadata.Equals(_metadata[3]))
{
return(result.Snapshot.Snapshot.ToString() == "s-4");
}
return(false);
}), new TimeSpan?());
}
public void SnapshotStore_should_load_the_most_recent_snapshot_matching_an_upper_sequence_number_bound()
{
SnapshotStore.Tell(
new LoadSnapshot(Pid, new SnapshotSelectionCriteria(13L), long.MaxValue), _senderProbe.Ref
);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
if (result.ToSequenceNr == long.MaxValue && result.Snapshot != null &&
result.Snapshot.Metadata.Equals(_metadata[2]))
{
return(result.Snapshot.Snapshot.ToString() == "s-3");
}
return(false);
}, new TimeSpan?());
SnapshotStore.Tell(new LoadSnapshot(Pid, SnapshotSelectionCriteria.Latest, 13L),
_senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
if (result.ToSequenceNr == 13L && result.Snapshot != null &&
result.Snapshot.Metadata.Equals(_metadata[2]))
{
return(result.Snapshot.Snapshot.ToString() == "s-3");
}
return(false);
}, new TimeSpan?());
}
SnapshotStore_should_load_the_most_recent_snapshot_matching_an_upper_sequence_number_and_timestamp_bound()
{
SnapshotStore.Tell(
new LoadSnapshot(Pid,
new SnapshotSelectionCriteria(13L, _metadata[2].Timestamp, 0L, new DateTime?()),
long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
var isMaxSeqNo = result.ToSequenceNr == long.MaxValue;
var snapshotNotNull = result.Snapshot != null;
var matchMetadata = result.Snapshot.Metadata.Equals(_metadata[2]);
if (isMaxSeqNo && snapshotNotNull && matchMetadata)
{
return(result.Snapshot.Snapshot.ToString() == "s-3");
}
return(false);
}, new TimeSpan?());
SnapshotStore.Tell(
new LoadSnapshot(Pid,
new SnapshotSelectionCriteria(long.MaxValue, _metadata[2].Timestamp, 0L, new DateTime?()),
13L), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
var isMaxSeqNo = result.ToSequenceNr == 13L;
var snapshotNotNull = result.Snapshot != null;
var matchMetadata = result.Snapshot.Metadata.Equals(_metadata[2]);
if (isMaxSeqNo && snapshotNotNull && matchMetadata)
{
return(result.Snapshot.Snapshot.ToString() == "s-3");
}
return(false);
}, new TimeSpan?());
}
public void SnapshotStore_should_not_load_a_snapshot_given_non_matching_sequence_number_criteria()
{
SnapshotStore.Tell(new LoadSnapshot(Pid, new SnapshotSelectionCriteria(7), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result => result.Snapshot == null && result.ToSequenceNr == long.MaxValue);
SnapshotStore.Tell(new LoadSnapshot(Pid, SnapshotSelectionCriteria.Latest, 7), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result => result.Snapshot == null && result.ToSequenceNr == 7);
}
public void SnapshotStore_should_load_the_most_recent_snapshot()
{
SnapshotStore.Tell(new LoadSnapshot(Pid, SnapshotSelectionCriteria.Latest, long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
result.ToSequenceNr == long.MaxValue &&
result.Snapshot != null &&
result.Snapshot.Metadata.Equals(Metadata[4]) &&
result.Snapshot.Snapshot.ToString() == "s-5");
}
private IEnumerable <SnapshotMetadata> WriteSnapshots()
{
for (int i = 1; i <= 5; i++)
{
var metadata = new SnapshotMetadata(Pid, i + 10);
SnapshotStore.Tell(new SaveSnapshot(metadata, $"s-{i}"), _senderProbe.Ref);
yield return(_senderProbe.ExpectMsg <SaveSnapshotSuccess>().Metadata);
}
}
public void SnapshotStore_should_save_bigger_size_snapshot()
{
var metadata = new SnapshotMetadata(Pid, 100);
var bigSnapshot = new byte[SnapshotByteSizeLimit];
new Random().NextBytes(bigSnapshot);
SnapshotStore.Tell(new SaveSnapshot(metadata, bigSnapshot), _senderProbe.Ref);
_senderProbe.ExpectMsg <SaveSnapshotSuccess>();
}
public void SnapshotStore_should_not_load_a_snapshot_given_an_invalid_persistence_id()
{
SnapshotStore.Tell(
new LoadSnapshot("invalid", SnapshotSelectionCriteria.Latest, long.MaxValue),
_senderProbe.Ref
);
_senderProbe.ExpectMsg <LoadSnapshotResult>(
result => result.Snapshot == null && result.ToSequenceNr == long.MaxValue, new TimeSpan?());
}
public void SnapshotStore_should_not_load_a_snapshot_given_non_matching_timestamp_criteria()
{
var criteria = new SnapshotSelectionCriteria(
long.MaxValue,
new DateTime(100000L),
0L,
new DateTime?()
);
SnapshotStore.Tell(new LoadSnapshot(Pid, criteria, long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(
result => result.Snapshot == null && result.ToSequenceNr == long.MaxValue, new TimeSpan?());
}
public void LocalSnapshotStore_can_snapshot_actors_with_PersistenceId_containing_invalid_path_characters()
{
var pid = @"p\/:*?-1";
SnapshotStore.Tell(new SaveSnapshot(new SnapshotMetadata(pid, 1), "sample data"), TestActor);
ExpectMsg <SaveSnapshotSuccess>();
SnapshotStore.Tell(new LoadSnapshot(pid, SnapshotSelectionCriteria.Latest, long.MaxValue), TestActor);
ExpectMsg <LoadSnapshotResult>(res =>
res.Snapshot.Snapshot.Equals("sample data") &&
res.Snapshot.Metadata.PersistenceId == pid &&
res.Snapshot.Metadata.SequenceNr == 1);
}
public void SnapshotStore_should_save_and_overwrite_snapshot_with_same_sequence_number()
{
var md = Metadata[4];
SnapshotStore.Tell(new SaveSnapshot(md, "s-5-modified"), _senderProbe.Ref);
var md2 = _senderProbe.ExpectMsg <SaveSnapshotSuccess>().Metadata;
Assert.Equal(md.SequenceNr, md2.SequenceNr);
SnapshotStore.Tell(new LoadSnapshot(Pid, new SnapshotSelectionCriteria(md.SequenceNr), long.MaxValue), _senderProbe.Ref);
var result = _senderProbe.ExpectMsg <LoadSnapshotResult>();
Assert.Equal("s-5-modified", result.Snapshot.Snapshot.ToString());
Assert.Equal(md.SequenceNr, result.Snapshot.Metadata.SequenceNr);
// metadata timestamp may have been changed
}
public void SnapshotStore_should_load_the_most_recent_snapshot_matching_an_upper_sequence_number_and_timestamp_bound()
{
SnapshotStore.Tell(new LoadSnapshot(Pid, new SnapshotSelectionCriteria(13, Metadata[2].Timestamp), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
result.ToSequenceNr == long.MaxValue &&
result.Snapshot != null &&
result.Snapshot.Metadata.Equals(Metadata[2]) &&
result.Snapshot.Snapshot.ToString() == "s-3");
SnapshotStore.Tell(new LoadSnapshot(Pid, new SnapshotSelectionCriteria(long.MaxValue, Metadata[2].Timestamp), 13), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
result.ToSequenceNr == 13 &&
result.Snapshot != null &&
result.Snapshot.Metadata.Equals(Metadata[2]) &&
result.Snapshot.Snapshot.ToString() == "s-3");
}
protected IActorRef WriteSnapshot(string persistenceId, int n)
{
var pref = Sys.ActorOf(Query.TestActor.Props(persistenceId));
for (var i = 1; i <= n; i++)
{
pref.Tell($"{persistenceId}-{i}");
ExpectMsg($"{persistenceId}-{i}-done");
}
var metadata = new SnapshotMetadata(persistenceId, n + 10);
SnapshotStore.Tell(new SaveSnapshot(metadata, $"s-{n}"), _senderProbe.Ref);
_senderProbe.ExpectMsg <SaveSnapshotSuccess>();
return(pref);
}
public void SnapshotStore_should_load_the_most_recent_snapshot()
{
var msg = new LoadSnapshot(Pid, SnapshotSelectionCriteria.Latest, long.MaxValue);
SnapshotStore.Tell(msg, _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
var isMaxSeqNo = result.ToSequenceNr == long.MaxValue;
var snapshotNotNull = result.Snapshot != null;
var matchMetadata = result.Snapshot.Metadata.Equals(_metadata[4]);
if (isMaxSeqNo && snapshotNotNull && matchMetadata)
{
return(result.Snapshot.Snapshot.ToString() == "s-5");
}
return(false);
}, new TimeSpan?());
}
public void SnapshotStore_should_not_delete_snapshots_with_non_matching_upper_timestamp_bounds()
{
var md = Metadata[3];
var criteria = new SnapshotSelectionCriteria(md.SequenceNr, md.Timestamp.Subtract(TimeSpan.FromTicks(1)));
var command = new DeleteSnapshots(Pid, criteria);
var sub = CreateTestProbe();
Subscribe <DeleteSnapshots>(sub.Ref);
SnapshotStore.Tell(command, _senderProbe.Ref);
sub.ExpectMsg(command);
_senderProbe.ExpectMsg <DeleteSnapshotsSuccess>(m => m.Criteria.Equals(criteria));
SnapshotStore.Tell(new LoadSnapshot(Pid, new SnapshotSelectionCriteria(md.SequenceNr, md.Timestamp), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
result.ToSequenceNr == long.MaxValue &&
result.Snapshot != null &&
result.Snapshot.Metadata.Equals(Metadata[3]) &&
result.Snapshot.Snapshot.ToString() == "s-4");
}
public void SnapshotStore_should_save_and_overwrite_snapshot_with_same_sequence_number()
{
var metadata1 = _metadata[4];
SnapshotStore.Tell(new SaveSnapshot(metadata1, "s-5-modified"),
_senderProbe.Ref);
var metadata2 =
_senderProbe.ExpectMsg <SaveSnapshotSuccess>(new TimeSpan?()).Metadata;
Assert.Equal(metadata1.SequenceNr, metadata2.SequenceNr);
SnapshotStore.Tell(
new LoadSnapshot(Pid, new SnapshotSelectionCriteria(metadata1.SequenceNr),
long.MaxValue), _senderProbe.Ref);
var loadSnapshotResult =
_senderProbe.ExpectMsg <LoadSnapshotResult>(new TimeSpan?());
Assert.Equal("s-5-modified", loadSnapshotResult.Snapshot.Snapshot.ToString());
Assert.Equal(metadata1.SequenceNr, loadSnapshotResult.Snapshot.Metadata.SequenceNr);
}
public void SnapshotStore_should_delete_a_single_snapshot_identified_by_SequenceNr_in_snapshot_metadata()
{
var md = Metadata[2];
md = new SnapshotMetadata(md.PersistenceId, md.SequenceNr); // don't care about timestamp for delete of a single snap
var command = new DeleteSnapshot(md);
var sub = CreateTestProbe();
Subscribe <DeleteSnapshot>(sub.Ref);
SnapshotStore.Tell(command, _senderProbe.Ref);
sub.ExpectMsg(command);
_senderProbe.ExpectMsg <DeleteSnapshotSuccess>();
SnapshotStore.Tell(new LoadSnapshot(Pid, new SnapshotSelectionCriteria(md.SequenceNr), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
result.ToSequenceNr == long.MaxValue &&
result.Snapshot != null &&
result.Snapshot.Metadata.Equals(Metadata[1]) &&
result.Snapshot.Snapshot.ToString() == "s-2");
}
protected Task <SnapshotMetadata> SaveSnapshotTaskAsync(object snapshot)
{
if (_saveSnapshotTcsMap == null)
{
_saveSnapshotTcsMap = new Dictionary <long, TaskCompletionSource <SnapshotMetadata> >();
}
var metadata = new SnapshotMetadata(SnapshotterId, SnapshotSequenceNr);
if (_saveSnapshotTcsMap.ContainsKey(SnapshotSequenceNr))
{
return(Task.FromResult(metadata));
}
var tcs = new TaskCompletionSource <SnapshotMetadata>();
_saveSnapshotTcsMap.Add(SnapshotSequenceNr, tcs);
SnapshotStore.Tell(new SaveSnapshot(metadata, snapshot), Self);
return(tcs.Task);
}
public void SnapshotStore_should_delete_all_snapshots_matching_upper_sequence_number_and_timestamp_bounds()
{
var snapshotMetadata = _metadata[2];
var message = new DeleteSnapshots(Pid,
new SnapshotSelectionCriteria(snapshotMetadata.SequenceNr, snapshotMetadata.Timestamp, 0L,
new DateTime?()));
var testProbe = CreateTestProbe();
Subscribe <DeleteSnapshots>(testProbe.Ref);
SnapshotStore.Tell(message, _senderProbe.Ref);
testProbe.ExpectMsg(message, new TimeSpan?());
_senderProbe.ExpectMsg <DeleteSnapshotsSuccess>(new TimeSpan?());
SnapshotStore.Tell(
new LoadSnapshot(Pid,
new SnapshotSelectionCriteria(snapshotMetadata.SequenceNr, snapshotMetadata.Timestamp, 0L,
new DateTime?()), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
if (result.Snapshot == null)
{
return(result.ToSequenceNr == long.MaxValue);
}
return(false);
}, new TimeSpan?());
SnapshotStore.Tell(
new LoadSnapshot(Pid,
new SnapshotSelectionCriteria(_metadata[3].SequenceNr, _metadata[3].Timestamp, 0L,
new DateTime?()), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
{
if (result.ToSequenceNr == long.MaxValue && result.Snapshot != null &&
result.Snapshot.Metadata.Equals(_metadata[3]))
{
return(result.Snapshot.Snapshot.ToString() == "s-4");
}
return(false);
}, new TimeSpan?());
}
public void SnapshotStore_should_delete_all_snapshots_matching_upper_sequence_number_and_timestamp_bounds()
{
var md = Metadata[2];
var command = new DeleteSnapshots(Pid, new SnapshotSelectionCriteria(md.SequenceNr, md.Timestamp));
var sub = CreateTestProbe();
Subscribe <DeleteSnapshots>(sub.Ref);
SnapshotStore.Tell(command, _senderProbe.Ref);
sub.ExpectMsg(command);
_senderProbe.ExpectMsg <DeleteSnapshotsSuccess>();
SnapshotStore.Tell(new LoadSnapshot(Pid, new SnapshotSelectionCriteria(md.SequenceNr, md.Timestamp), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result => result.Snapshot == null && result.ToSequenceNr == long.MaxValue);
SnapshotStore.Tell(new LoadSnapshot(Pid, new SnapshotSelectionCriteria(Metadata[3].SequenceNr, Metadata[3].Timestamp), long.MaxValue), _senderProbe.Ref);
_senderProbe.ExpectMsg <LoadSnapshotResult>(result =>
result.ToSequenceNr == long.MaxValue &&
result.Snapshot != null &&
result.Snapshot.Metadata.Equals(Metadata[3]) &&
result.Snapshot.Snapshot.ToString() == "s-4");
}
public void SnapshotStore_should_serialize_with_transport_if_enabled()
{
//Given
var ser = Sys.Serialization.FindSerializerForType(typeof(ActorRefWrapper));
var receiver = CreateTestProbe();
var myEvent = new ActorRefWrapper
{
ActorRef = CreateTestActor("test-actor")
};
//When
var metadata = new SnapshotMetadata(Pid, 0);
SnapshotStore.Tell(new SaveSnapshot(metadata, myEvent), receiver.Ref);
receiver.ExpectMsg <SaveSnapshotSuccess>();
SnapshotStore.Tell(new LoadSnapshot(Pid, SnapshotSelectionCriteria.Latest, 1), receiver.Ref);
//Then
receiver.ExpectMsg <LoadSnapshotResult>(msg =>
{
var e = (ActorRefWrapper)msg.Snapshot.Snapshot;
Assert.True(e.IsSerializedWithTransport, "snapshot should be serialized with transport");
});
}
/// <summary>
/// Deletes all snapshots matching <paramref name="criteria"/>.
///
/// The <see cref="PersistentActor"/> will be notified about the status of the deletion
/// via an <see cref="DeleteSnapshotsSuccess"/> or <see cref="DeleteSnapshotsFailure"/> message.
/// </summary>
public void DeleteSnapshots(SnapshotSelectionCriteria criteria)
{
SnapshotStore.Tell(new DeleteSnapshots(SnapshotterId, criteria));
}
/// <summary>
/// Deletes the snapshot identified by <paramref name="sequenceNr"/>.
///
/// The <see cref="PersistentActor"/> will be notified about the status of the deletion
/// via an <see cref="DeleteSnapshotSuccess"/> or <see cref="DeleteSnapshotFailure"/> message.
/// </summary>
public void DeleteSnapshot(long sequenceNr)
{
SnapshotStore.Tell(new DeleteSnapshot(new SnapshotMetadata(SnapshotterId, sequenceNr)));
}
/// <summary>
/// Saves <paramref name="snapshot"/> of current <see cref="ISnapshotter"/> state.
///
/// The <see cref="PersistentActor"/> will be notified about the success or failure of this
/// via an <see cref="SaveSnapshotSuccess"/> or <see cref="SaveSnapshotFailure"/> message.
/// </summary>
public void SaveSnapshot(object snapshot)
{
SnapshotStore.Tell(new SaveSnapshot(new SnapshotMetadata(SnapshotterId, SnapshotSequenceNr), snapshot));
}
/// <summary>
/// Instructs the snapshot store to load the specified snapshot and send it via an
/// <see cref="SnapshotOffer"/> to the running <see cref="PersistentActor"/>.
/// </summary>
public void LoadSnapshot(string persistenceId, SnapshotSelectionCriteria criteria, long toSequenceNr)
{
SnapshotStore.Tell(new LoadSnapshot(persistenceId, criteria, toSequenceNr));
}
public void DeleteSnapshot(long sequenceNr, DateTime timestamp)
{
SnapshotStore.Tell(new DeleteSnapshot(new SnapshotMetadata(SnapshotterId, sequenceNr, timestamp)));
}
