public void TryWrite_should_return_false_when_record_serialization_fails()
{
recordSerializer
.TrySerialize(item, itemSerializer, timestamp, buffer)
.Returns(false);
TryWrite().Should().BeFalse();
}
public bool TryWrite <T>(T item, IAirlockSerializer <T> serializer, DateTimeOffset timestamp, IBufferPool bufferPool)
{
if (!bufferPool.TryAcquire(out var buffer))
{
return(false);
}
var startingPosition = buffer.Position;
var serializationSucceeded = false;
try
{
serializationSucceeded = recordSerializer.TrySerialize(item, serializer, timestamp, buffer);
}
finally
{
if (serializationSucceeded)
{
buffer.WrittenRecords++;
}
else
{
buffer.Position = startingPosition;
}
bufferPool.Release(buffer);
}
return(serializationSucceeded);
}
public void TestSetup()
{
timestamp = DateTimeOffset.UtcNow;
item = Guid.NewGuid().ToString();
itemSerializer = Substitute.For <IAirlockSerializer <string> >();
buffer = Substitute.For <IBuffer>();
buffer.WrittenRecords.Returns(5);
buffer.Position.Returns(10);
bufferPool = Substitute.For <IBufferPool>();
bufferPool
.TryAcquire(out _)
.Returns(
x =>
{
x[0] = buffer;
return(buffer != null);
});
recordSerializer = Substitute.For <IRecordSerializer>();
recordSerializer
.TrySerialize(item, itemSerializer, timestamp, buffer)
.Returns(true);
recordWriter = new RecordWriter(recordSerializer);
}