public void DisplayName_UnknownFileMode_ThrowsBencodeException()
{
var torrent = new Torrent();
Func<string> act = () => torrent.DisplayName;
torrent.FileMode.Should().Be(TorrentFileMode.Unknown);
act.Invoking(x => x()).ShouldThrow<BencodeException>();
}
public void DisplayName_MultiFile_IsDirectoryName(string directoryName)
{
var torrent = new Torrent
{
Files = new MultiFileInfoList(directoryName)
{
new MultiFileInfo()
}
};
torrent.FileMode.Should().Be(TorrentFileMode.Multi);
torrent.DisplayName.Should().Be(directoryName);
}
public void DisplayName_SingleFile_IsFileName(string fileName)
{
var torrent = new Torrent
{
File = new SingleFileInfo
{
FileName = fileName
}
};
torrent.FileMode.Should().Be(TorrentFileMode.Single);
torrent.DisplayName.Should().Be(fileName);
}
public void Equals_ComparesContent(long fileSize, string fileName, string comment, string createdBy, DateTime creationDate, long pieceSize, IList<IList<string>> trackers)
{
var t1 = new Torrent
{
Encoding = Encoding.UTF8,
File = new SingleFileInfo
{
FileSize = fileSize,
FileName = fileName
},
Comment = comment,
CreatedBy = createdBy,
CreationDate = creationDate,
IsPrivate = true,
PieceSize = pieceSize,
Trackers = trackers
};
var t2 = new Torrent
{
Encoding = Encoding.UTF8,
File = new SingleFileInfo
{
FileSize = fileSize,
FileName = fileName
},
Comment = comment,
CreatedBy = createdBy,
CreationDate = creationDate,
IsPrivate = true,
PieceSize = pieceSize,
Trackers = trackers
};
t1.Equals(t2).Should().BeTrue();
t2.Equals(t1).Should().BeTrue();
(t1 == t2).Should().BeTrue();
}
public void ToBDictionary_Encoding_DoesNotAddNull()
{
var torrent = new Torrent {Encoding = null};
var result = torrent.ToBDictionary();
result.Should().NotContainKey(TorrentFields.Encoding);
}
public void ToBDictionary_CreationDate_DoesNotAddNull()
{
var torrent = new Torrent {CreationDate = null};
var result = torrent.ToBDictionary();
result.Should().NotContainKey(TorrentFields.CreationDate);
}
public void ToBDictionary_Encoding_AddsToCorrectField()
{
var torrent = new Torrent {Encoding = Encoding.UTF8};
var result = torrent.ToBDictionary();
result.Should().Contain(TorrentFields.Encoding, (BString)Encoding.UTF8.WebName.ToUpper());
}
public void FileMode_IsMultiFile_IfFilesIsNotEmpty()
{
var torrent = new Torrent
{
Files = new MultiFileInfoList
{
new MultiFileInfo()
}
};
torrent.FileMode.Should().Be(TorrentFileMode.Multi);
}
/// <summary>
/// Calculates the info hash of the torrent.
/// The info hash is a 20-byte SHA1 hash of the 'info'-dictionary of the torrent
/// used to uniquely identify it and it's contents.
///
/// <para>Example: 6D60711ECF005C1147D8973A67F31A11454AB3F5</para>
/// </summary>
/// <param name="torrent">The torrent to calculate the info hash for.</param>
/// <returns>A byte-array of the 20-byte SHA1 hash.</returns>
public static byte[] CalculateInfoHashBytes(Torrent torrent)
{
var info = torrent.ToBDictionary().Get <BDictionary>("info");
return(CalculateInfoHashBytes(info));
}
public void ToBDictionary_ExtraFields_AreAdded(BString key, BString value)
{
// Arrange
var torrent = new Torrent
{
ExtraFields = new BDictionary
{
[key] = value
}
};
// Act
var result = torrent.ToBDictionary();
// Assert
result.Should().Contain(key, value);
}
public void NumberOfPieces_ShouldBeTotalSizeDividedByPieceSizeRoundedUp(long fileSize, long pieceSize)
{
var expected = (int)Math.Ceiling((double) fileSize/pieceSize);
var torrent = new Torrent
{
File = new SingleFileInfo
{
FileSize = fileSize
},
PieceSize = pieceSize
};
torrent.TotalSize.Should().Be(fileSize);
torrent.NumberOfPieces.Should().Be(expected);
}
public void PiecesAsHexString_Set_ValueWithNonUppercaseHexCharacterShouldThrowArgumentException(string value)
{
var torrent = new Torrent();
Action action = () => torrent.PiecesAsHexString = value;
action.ShouldThrow<ArgumentException>();
}
public void ToBDictionary_ExtraFields_OverwritesExistingData(string comment, BString extraValue)
{
// Arrange
var torrent = new Torrent
{
Comment = comment,
ExtraFields = new BDictionary
{
{TorrentFields.Comment, extraValue}
}
};
// Act
var result = torrent.ToBDictionary();
// Assert
result.Should().Contain(TorrentFields.Comment, extraValue);
}
public void PiecesAsHexString_Set_ValidUppercaseHexSetsPiecesProperty()
{
var pieces = new byte[] { 66, 115, 135, 19, 149, 125, 229, 85, 68, 117, 252, 185, 243, 247, 139, 38, 11, 37, 60, 112 };
var torrent = new Torrent();
torrent.PiecesAsHexString = "42738713957DE5554475FCB9F3F78B260B253C70";
torrent.Pieces.Should().Equal(pieces);
}
public void FileMode_IsSingleFile_IfFilesIsEmptyAndFileIsNotNull()
{
var torrent = new Torrent
{
File = new SingleFileInfo(),
Files = new MultiFileInfoList()
};
torrent.FileMode.Should().Be(TorrentFileMode.Single);
}
public void PiecesAsHexString_Set_NullThrowsArgumentException()
{
var torrent = new Torrent();
Action action = () => torrent.PiecesAsHexString = null;
action.ShouldThrow<ArgumentException>();
}
public void PiecesAsHexString_Set_LengthNotMultipleOf40ShouldThrowArgumentException(string value)
{
var torrent = new Torrent();
Action action = () => torrent.PiecesAsHexString = value;
action.ShouldThrow<ArgumentException>();
}
public void PiecesAsHexString_Get_ReturnsHexUppercaseWithoutDashes()
{
var pieces = new byte[] { 66, 115, 135, 19, 149, 125, 229, 85, 68, 117, 252, 185, 243, 247, 139, 38, 11, 37, 60, 112 };
var torrent = new Torrent
{
Pieces = pieces
};
torrent.PiecesAsHexString.Should().Be("42738713957DE5554475FCB9F3F78B260B253C70");
}
public void ToBDictionary_Encoding_UsesWebNameToUpper()
{
var torrent = new Torrent { Encoding = Encoding.UTF8 };
var result = torrent.ToBDictionary();
result.Get<BString>(TorrentFields.Encoding).Should().Be(Encoding.UTF8.WebName.ToUpper());
}
public void ToBDictionary_Info_SingleFile_AddsNameAndLength(long fileSize, string fileName)
{
// Arrange
var torrent = new Torrent
{
File = new SingleFileInfo
{
FileSize = fileSize,
FileName = fileName
}
};
// Act
var info = torrent.ToBDictionary().Get<BDictionary>("info");
// Assert
info.Should().Contain(TorrentInfoFields.Length, (BNumber)fileSize);
info.Should().Contain(TorrentInfoFields.Name, (BString)fileName);
}
public void ToBDictionary_EqualsEmptyBDictionaryForEmptyTorrent()
{
var torrent = new Torrent();
var result = torrent.ToBDictionary();
result.Should().HaveCount(0);
result.ShouldBeEquivalentTo(new BDictionary());
}
public void TotalSize_SingleFile_ShouldBeFileSize(long fileSize)
{
var torrent = new Torrent
{
File = new SingleFileInfo
{
FileSize = fileSize
}
};
torrent.TotalSize.Should().Be(fileSize);
}
public void ToBDictionary_Announce_NoTrackers_DoesNotAddAnnounce()
{
var torrent = new Torrent
{
Trackers = new List<IList<string>>
{
new List<string>()
}
};
var result = torrent.ToBDictionary();
result.Should().NotContainKey(TorrentFields.Announce);
}
public void FileMode_IsUnknown_IfFileIsNullAndFilesIsEmpty()
{
var torrent = new Torrent
{
File = null,
Files = new MultiFileInfoList()
};
torrent.FileMode.Should().Be(TorrentFileMode.Unknown);
}
public void ToBDictionary_Info_MultiFile_AddsFiles(string directoryName, long fileSize, IList<string> path)
{
// Arrange
var torrent = new Torrent
{
Files = new MultiFileInfoList(directoryName)
{
new MultiFileInfo
{
FileSize = fileSize,
Path = path
}
}
};
// Act
var info = torrent.ToBDictionary().Get<BDictionary>("info");
var files = info.Get<BList>(TorrentInfoFields.Files).AsType<BDictionary>();
// Assert
info.Should().Contain(TorrentInfoFields.Name, (BString) directoryName);
info.Should().ContainKey(TorrentInfoFields.Files);
info[TorrentInfoFields.Files].Should().BeOfType<BList<BDictionary>>();
files[0].Should().BeOfType<BDictionary>();
files[0].Should().Contain(TorrentFilesFields.Length, (BNumber) fileSize);
files[0].Should().ContainKey(TorrentFilesFields.Path);
files[0].Get<BList>(TorrentFilesFields.Path).Should().HaveCount(path.Count);
}
public void ToBDictionary_Announce_SingleTracker_AddsAnnounceButNotAddAnnounceList()
{
var torrent = new Torrent
{
Trackers = new List<IList<string>>
{
new List<string>
{
"http://sometracker.com"
}
}
};
var result = torrent.ToBDictionary();
result.Should().ContainKey(TorrentFields.Announce);
result.Should().NotContainKey(TorrentFields.AnnounceList);
}
public void TotalSize_MultiFile_ShouldBeSumOfFileSizes(long fileSize1, long fileSize2)
{
var torrent = new Torrent
{
Files = new MultiFileInfoList
{
new MultiFileInfo {FileSize = fileSize1},
new MultiFileInfo {FileSize = fileSize2},
}
};
torrent.TotalSize.Should().Be(fileSize1 + fileSize2);
}
public void ToBDictionary_Comment_AddsToCorrectField(string comment)
{
var torrent = new Torrent {Comment = comment
};
var result = torrent.ToBDictionary();
result.Should().Contain(TorrentFields.Comment, (BString)comment);
}
public void TotalSize_UnknownFileMode_IsZero()
{
var torrent = new Torrent();
torrent.TotalSize.Should().Be(0);
}
public void ToBDictionary_CreatedBy_AddsToCorrectField(string createdBy)
{
var torrent = new Torrent {CreatedBy = createdBy};
var result = torrent.ToBDictionary();
result.Should().Contain(TorrentFields.CreatedBy, (BString)createdBy);
}
public void ToBDictionary_CreationDate_AddsToCorrectField(DateTime creationDate)
{
var torrent = new Torrent {CreationDate = creationDate};
var result = torrent.ToBDictionary();
result.Should().Contain(TorrentFields.CreationDate, (BNumber)creationDate);
}
/// <summary>
/// Calculates the info hash of the torrent.
/// The info hash is a 20-byte SHA1 hash of the 'info'-dictionary of the torrent
/// used to uniquely identify it and it's contents.
///
/// <para>Example: 6D60711ECF005C1147D8973A67F31A11454AB3F5</para>
/// </summary>
/// <param name="torrent">The torrent to calculate the info hash for.</param>
/// <returns>A string representation of the 20-byte SHA1 hash without dashes.</returns>
public static string CalculateInfoHash(Torrent torrent)
{
var info = torrent.ToBDictionary().Get <BDictionary>("info");
return(CalculateInfoHash(info));
}