protected void GivenLogReader(string logFileName, long length, int maxStreams)
{
LogReaderFactory.Setup(x => x.Create(logFileName, It.IsInRange(0L, Math.Max(CurrentLogFilePosition, length), Range.Inclusive)))
.Returns((string fileName, long position) =>
{
var internalPosition = position > length ? length : position;
var streamsLeft = maxStreams;
var reader = _mockRepository.Create <ILogReader>();
reader.SetupGet(x => x.Position).Returns(() => internalPosition);
reader.Setup(x => x.ReadLine()).Returns(() =>
{
internalPosition++;
streamsLeft--;
if (internalPosition > length || streamsLeft < 0)
{
internalPosition = length;
return(new MemoryStream());
}
return(new MemoryStream(new byte[1]));
});
reader.Setup(x => x.Dispose()).Callback(() => { reader.Reset(); });
return(reader.Object);
});
}
protected void GivenLogReaderCreateIOError(string fileName, long position)
{
LogReaderFactory.Setup(x => x.Create(fileName, position)).Throws <IOException>();
}
