public async Task GetAtVersionAsync_returns_correct_value()
{
// Arrange
var stream = await _fixture.GetStreamADAsync();
var firstValue = "firstValue";
var middleValue = "middleValue"; // <= Expected value
var lastValue = "lastValue";
await stream.AppendAsync(new StoredValue(firstValue)); // version 0
await stream.AppendAsync(new StoredValue(middleValue)); // version 1 <= Pick this one
await stream.AppendAsync(new StoredValue(lastValue)); // version 2
var middleVersion = ExpectedVersion.Specific(1);
// Act
var result = await stream.GetAtVersionAsync((ulong)middleVersion.Value);
// Assert 2
Assert.IsNotNull(result);
Assert.IsTrue(result.HasValue);
Assert.IsInstanceOfType(result, typeof(Result <StoredValue>));
Assert.AreEqual(middleValue, result.Value.Parse <string>());
}
public async Task TrySetValueAsync_with_correct_version_succeeds()
{
// Arrange
var valueAD = await _fixture.GetValueADAsync();
var firstValue = "firstValue";
await valueAD.SetAsync(new StoredValue(firstValue));
var expectedVersion = ExpectedVersion.Specific(0);
// Act
var lastValue = "lastValue";
var addResult = await valueAD.TrySetAsync(new StoredValue(lastValue), expectedVersion);
// Assert
Assert.IsNotNull(addResult);
Assert.IsTrue(addResult.HasValue);
Assert.IsNotInstanceOfType(addResult, typeof(VersionMismatch <Pointer>));
}
// Pass in data that was encrypted at rest
// for upload to SAFENetwork.
public async Task <(NetworkEvent, Result <Pointer>)> Upload(WALContent walContent)
{
var data = ZipEncryptedEvent.From(walContent.EncryptedContent);
var localEvt = data.GetEvent(_pwd);
var networkEvt = await GetNetworkEvent(localEvt);
var expectedVersion = walContent.SequenceNr == 0 ? ExpectedVersion.None : ExpectedVersion.Specific(walContent.SequenceNr - 1);
var result = await _stream.TryAppendAsync(new StoredValue(networkEvt), expectedVersion);
return(networkEvt, result);
}