public void append()
{
var fileInfo = new FileInfo(Path.GetTempFileName());
Assert.Throws <ArgumentNullException>(() => FileSystemExtensions.Append(null, Enumerable.Empty <byte>().ToArray()));
Assert.Throws <ArgumentNullException>(() => fileInfo.Append((byte[])null));
Assert.Throws <ArgumentNullException>(() => FileSystemExtensions.Append(null, string.Empty));
Assert.Throws <ArgumentNullException>(() => fileInfo.Append((string)null));
Assert.Throws <ArgumentNullException>(() => FileSystemExtensions.Append(null, Stream.Null));
Assert.Throws <ArgumentNullException>(() => fileInfo.Append((Stream)null));
var bytes = Guid.NewGuid().ToByteArray();
WithFile(file =>
{
Assert.True(ReferenceEquals(file.Append(Enumerable.Empty <byte>().ToArray()), file));
Assert.False(file.Exists);
});
WithFile(file =>
{
Assert.True(ReferenceEquals(file.Append(bytes), file));
Assert.True(file.Exists);
Assert.True(file.Bytes().SequenceEqual(bytes));
});
var text = Guid.NewGuid().ToString();
WithFile(file =>
{
Assert.True(ReferenceEquals(file.Append(string.Empty), file));
Assert.False(file.Exists);
});
WithFile(file =>
{
Assert.True(ReferenceEquals(file.Append(text), file));
Assert.True(file.Exists);
Assert.Equal(text, file.Text());
});
WithFile(file =>
{
Assert.True(ReferenceEquals(file.Append(text, Encoding.Unicode), file));
Assert.True(file.Exists);
Assert.Equal(text, file.Text(Encoding.Unicode));
});
WithFile(file =>
{
Assert.True(ReferenceEquals(file.Append(Stream.Null), file));
Assert.True(file.Exists);
Assert.Equal(0, file.Length);
});
WithFile(file => new MemoryStream(bytes).Do(stream =>
{
Assert.True(ReferenceEquals(file.Append(stream), file));
Assert.True(file.Bytes().SequenceEqual(bytes));
}));
}
public FileInfo[] GetTempFileInfo(string path)
{
DirectoryInfo directoryInfo = new DirectoryInfo(path);
DirectoryInfo[] directoryInfos = directoryInfo.GetDirectories();
FileInfo[] files = new FileInfo[1000];
foreach (var file in directoryInfo.GetFiles())
{
files.Append(file);
}
for (int i = 0; i < directoryInfos.Length; i++)
{
FileInfo[] fileInfos = directoryInfos[i].GetFiles();
foreach (var fileinfo in fileInfos)
{
files.Append(fileinfo);
}
}
return(files);
}
/// <summary>
/// Appends a string to a file
/// </summary>
/// <param name="File">File to append to</param>
/// <param name="Content">Content to save to the file</param>
/// <param name="EncodingUsing">The type of encoding the string is using (defaults to ASCII)</param>
/// <returns>The FileInfo object</returns>
public static FileInfo Append(this FileInfo File, string Content, Encoding EncodingUsing = null)
{
if (File == null)
{
throw new ArgumentNullException("File");
}
if (EncodingUsing == null)
{
EncodingUsing = new ASCIIEncoding();
}
byte[] ContentBytes = EncodingUsing.GetBytes(Content);
return(File.Append(ContentBytes));
}