public void SpoolWriterToSpoolWriter()
{
TextWriter writer1 = new SpoolWriter();
TextWriter writer2 = new SpoolWriter();
for (int index = 0; index != 5000; ++index)
{
writer1.Write(index);
}
writer2.Write("before");
writer1.WriteTo(writer2);
writer2.Write("after");
Assert.AreEqual("before" + _FiveThousandNumbers + "after", writer2.ToString());
}
/// <summary>
/// Finalizes state change and creates memento
/// </summary>
/// <returns>memento holding the details of the resulting state delta</returns>
public CacheMemento EndMemento()
{
var memento = new CacheMemento();
// for capturing subject.Output directly, replay what was spooled, and save it
// in the memento
if (_priorOutput != null)
{
_spoolOutput.WriteTo(_priorOutput);
_state.Output = _priorOutput;
memento.SpoolOutput = _spoolOutput;
}
// save any deltas on named content that have expanded
foreach (var content in _priorContent)
{
var textMemento = content.Value.EndMemento();
if (textMemento.Written.Any(part => string.IsNullOrEmpty(part) == false))
{
memento.Content.Add(content.Key, textMemento);
}
}
// also save any named content in it's entirety that added created after BeginMemento was called
foreach (var content in _state.Content.Where(kv => _priorContent.ContainsKey(kv.Key) == false))
{
var originator = TextWriterOriginator.Create(content.Value);
memento.Content.Add(content.Key, originator.CreateMemento());
}
// capture anything from the oncetable that was added after BeginMemento was called
var newItems = _state.OnceTable.Where(once => _priorOnceTable.ContainsKey(once.Key) == false);
memento.OnceTable = newItems.ToDictionary(once => once.Key, once => once.Value);
return(memento);
}
public void SpoolWriterToStringWriter()
{
TextWriter writer1 = new SpoolWriter();
TextWriter writer2 = new StringWriter();
for (int index = 0; index != 5000; ++index)
{
writer1.Write(index);
}
writer2.Write("before");
writer1.WriteTo(writer2);
writer2.Write("after");
Assert.AreEqual("before" + _FiveThousandNumbers + "after", writer2.ToString());
}
public void Dispose()
{
_resourceRegistry.RegisterInlineBlock(writer => _blockWriter.WriteTo(writer));
_sparkView.Output = _previousWriter;
}
