public void TestPeekReadLineOnEmptyStream()
{
using (var stream = new MemoryStream())
using (var bufferedReader = new LineBufferedReader(stream))
{
Assert.IsNull(bufferedReader.PeekLine());
Assert.IsNull(bufferedReader.ReadLine());
Assert.IsNull(bufferedReader.ReadLine());
Assert.IsNull(bufferedReader.PeekLine());
}
}
public void TestPeekLineAtEndOfStream()
{
const string contents = "first line\r\nsecond line";
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(contents)))
using (var bufferedReader = new LineBufferedReader(stream))
{
Assert.AreEqual("first line", bufferedReader.ReadLine());
Assert.AreEqual("second line", bufferedReader.ReadLine());
Assert.IsNull(bufferedReader.PeekLine());
Assert.IsNull(bufferedReader.ReadLine());
Assert.IsNull(bufferedReader.PeekLine());
}
}
protected override BeatmapSetInfo?CreateModel(ArchiveReader reader)
{
// let's make sure there are actually .osu files to import.
string?mapName = reader.Filenames.FirstOrDefault(f => f.EndsWith(".osu", StringComparison.OrdinalIgnoreCase));
if (string.IsNullOrEmpty(mapName))
{
Logger.Log($"No beatmap files found in the beatmap archive ({reader.Name}).", LoggingTarget.Database);
return(null);
}
Beatmap beatmap;
using (var stream = new LineBufferedReader(reader.GetStream(mapName)))
{
if (stream.PeekLine() == null)
{
Logger.Log($"No content found in first .osu file of beatmap archive ({reader.Name} / {mapName})", LoggingTarget.Database);
return(null);
}
beatmap = Decoder.GetDecoder <Beatmap>(stream).Decode(stream);
}
return(new BeatmapSetInfo
{
OnlineID = beatmap.BeatmapInfo.BeatmapSet?.OnlineID ?? -1,
// Metadata = beatmap.Metadata,
DateAdded = DateTimeOffset.UtcNow
});
}
public void TestPeekLineMultipleTimes()
{
const string contents = "peek this once\nline 2\rpeek this a lot";
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(contents)))
using (var bufferedReader = new LineBufferedReader(stream))
{
Assert.AreEqual("peek this once", bufferedReader.PeekLine());
Assert.AreEqual("peek this once", bufferedReader.ReadLine());
Assert.AreEqual("line 2", bufferedReader.ReadLine());
Assert.AreEqual("peek this a lot", bufferedReader.PeekLine());
Assert.AreEqual("peek this a lot", bufferedReader.PeekLine());
Assert.AreEqual("peek this a lot", bufferedReader.PeekLine());
Assert.AreEqual("peek this a lot", bufferedReader.ReadLine());
Assert.IsNull(bufferedReader.ReadLine());
}
}
public void TestPeekLineOnce()
{
const string contents = "line 1\r\npeek this\nline 3";
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(contents)))
using (var bufferedReader = new LineBufferedReader(stream))
{
Assert.AreEqual("line 1", bufferedReader.ReadLine());
Assert.AreEqual("peek this", bufferedReader.PeekLine());
Assert.AreEqual("peek this", bufferedReader.ReadLine());
Assert.AreEqual("line 3", bufferedReader.ReadLine());
Assert.IsNull(bufferedReader.ReadLine());
}
}
public void TestReadToEndAfterReadsAndPeeks()
{
const string contents = "this line is gone\rthis one shouldn't be\r\nthese ones\ndefinitely not";
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(contents)))
using (var bufferedReader = new LineBufferedReader(stream))
{
Assert.AreEqual("this line is gone", bufferedReader.ReadLine());
Assert.AreEqual("this one shouldn't be", bufferedReader.PeekLine());
string[] endingLines = bufferedReader.ReadToEnd().Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
Assert.AreEqual(3, endingLines.Length);
Assert.AreEqual("this one shouldn't be", endingLines[0]);
Assert.AreEqual("these ones", endingLines[1]);
Assert.AreEqual("definitely not", endingLines[2]);
}
}
public void TestReadToEndAfterReadsAndPeeks()
{
const string contents = @"this line is gone
this one shouldn't be
these ones
definitely not";
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(contents)))
using (var bufferedReader = new LineBufferedReader(stream))
{
Assert.AreEqual("this line is gone", bufferedReader.ReadLine());
Assert.AreEqual("this one shouldn't be", bufferedReader.PeekLine());
const string ending = @"this one shouldn't be
these ones
definitely not";
Assert.AreEqual(ending, bufferedReader.ReadToEnd());
}
}
