/// <inheritdoc />
public async Task <RecordedStream> ReadStreamForward(string stream, int fromVersion, CancellationToken token = default(CancellationToken))
{
Guard.StreamName(stream, nameof(stream));
_settings.Logger.Trace("Reading stream '{0}' forward from version {1}...", stream, fromVersion);
using (var connection = new SqlConnection(_settings.ConnectionString))
using (var cmd = connection.CreateCommandForReadStreamForward(stream, fromVersion))
{
await connection.OpenAsync(token).NotOnCapturedContext();
using (var reader = await cmd.ExecuteReaderAsync(CommandBehavior.SingleResult, token).NotOnCapturedContext())
{
if (!reader.HasRows)
{
_settings.Logger.Trace("Read 0 messages for '{0}' stream from version {1}.", stream, fromVersion);
return(RecordedStream.Empty());
}
var messages = new List <RecordedMessage>(20); // 20? How many will be enough?
while (await reader.ReadAsync(token).NotOnCapturedContext())
{
messages.Add(reader.GetRecordedMessage());
}
_settings.Logger.Trace("Read {0} messages for '{1}' stream from version {2}.", messages.Count, stream, fromVersion);
return(new RecordedStream(messages.ToArray()));
}
}
}
public void DeflatedStreamIsStoredUncompressed()
{
// ARRANGE
var content = "Hello World";
var compressed = new MemoryStream();
using (var deflate = new DeflateStream(compressed, CompressionMode.Compress, leaveOpen: true))
{
new MemoryStream(Encoding.UTF8.GetBytes(content)).CopyTo(deflate);
}
var recordedStream = new RecordedStream(
compressed.ToArray(),
HttpWebResponseCreator.Create(
new Uri("http://fakeSite.fake"),
"POST",
HttpStatusCode.OK,
compressed,
new WebHeaderCollection
{
{ HttpRequestHeader.ContentEncoding, "deflate" }
}));
// ACT
var toString = recordedStream.ToString();
// ASSERT
recordedStream.IsEncoded.ShouldBeFalse();
recordedStream.IsDeflateCompressed.ShouldBeTrue();
toString.ShouldEqual(content);
}
public void ToStringReturnsStringContentWhenStreamIsNotEncoded()
{
// ARRANGE
var content = "Hello World";
var recordedStream = new RecordedStream(
Encoding.UTF8.GetBytes(content),
new HttpWebRequestWrapper(new Uri("http://fakeSite.fake")));
// ACT
var toString = recordedStream.ToString();
// ASSERT
recordedStream.IsEncoded.ShouldBeFalse();
toString.ShouldEqual(content);
}
public void ToStringReturnsStringContentWhenStreamIsEncoded()
{
// ARRANGE
var content = "Hello World";
var recordedStream = new RecordedStream(
Encoding.UTF8.GetBytes(content),
new HttpWebRequestWrapper(new Uri("http://fakeSite.fake"))
{
// set content type to force string content to be
// encoded
ContentType = "image/png"
});
// ACT
var toString = recordedStream.ToString();
// ASSERT
recordedStream.IsEncoded.ShouldBeTrue();
toString.ShouldEqual(content);
}