public async void TestTranscodingAsync()
{
var path = Path.Combine("..", "..", "TestData", "images", "girl.jpg");
var expected = File.ReadAllBytes(path);
var part = new MimePart("image", "jpeg")
{
Content = new MimeContent(new MemoryStream(expected, false)),
ContentTransferEncoding = ContentEncoding.Base64,
FileName = "girl.jpg"
};
// encode in base64
using (var output = new MemoryStream()) {
await part.WriteToAsync(output);
output.Position = 0;
part = (MimePart)await MimeEntity.LoadAsync(output);
}
// transcode to uuencode
part.ContentTransferEncoding = ContentEncoding.UUEncode;
using (var output = new MemoryStream()) {
await part.WriteToAsync(output);
output.Position = 0;
part = (MimePart)await MimeEntity.LoadAsync(output);
}
// verify decoded content
using (var output = new MemoryStream()) {
await part.Content.DecodeToAsync(output);
output.Position = 0;
var actual = output.ToArray();
Assert.AreEqual(expected.Length, actual.Length);
for (int i = 0; i < expected.Length; i++)
{
Assert.AreEqual(expected[i], actual[i], "Image content differs at index {0}", i);
}
}
}
public async Task GetStream_CreateMimePart_WriteMimePart_LoadMimePart_CompareMimeParts(string fileName)
{
var stream = await GetAssetStreamAsync(fileName);
var m1 = new MimePart
{
Content = new MimeContent(stream)
};
await m1.WriteToAsync(GetAssetFilePath($"{fileName}__m1.txt"));
var entity = await MimeEntity.LoadAsync(GetAssetFilePath($"{fileName}__m1.txt"));
var m2 = (MimePart)entity;
FileAssert.AreEqual(stream, m1.Content.Stream);
FileAssert.AreEqual(m1.Content.Stream, m2.Content.Stream);
}
public void TestArgumentExceptions()
{
var part = new MimePart();
Assert.Throws <ArgumentNullException> (() => new MimePart((string)null));
Assert.Throws <ArgumentNullException> (() => new MimePart((ContentType)null));
Assert.Throws <ArgumentNullException> (() => new MimePart(null, "octet-stream"));
Assert.Throws <ArgumentNullException> (() => new MimePart("application", null));
Assert.Throws <ArgumentOutOfRangeException> (() => part.ContentDuration = -1);
Assert.Throws <ArgumentOutOfRangeException> (() => part.Prepare(EncodingConstraint.SevenBit, 1));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load((Stream)null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load((Stream)null, true));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load((ParserOptions)null, Stream.Null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(ParserOptions.Default, (Stream)null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(null, Stream.Null, true));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(ParserOptions.Default, (Stream)null, true));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load((ContentType)null, Stream.Null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(new ContentType("application", "octet-stream"), null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(null, new ContentType("application", "octet-stream"), Stream.Null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(ParserOptions.Default, null, Stream.Null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(ParserOptions.Default, new ContentType("application", "octet-stream"), null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load((string)null));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(null, "fileName"));
Assert.Throws <ArgumentNullException> (() => MimeEntity.Load(ParserOptions.Default, (string)null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync((Stream)null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync((Stream)null, true));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync((ParserOptions)null, Stream.Null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(ParserOptions.Default, (Stream)null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(null, Stream.Null, true));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(ParserOptions.Default, (Stream)null, true));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync((ContentType)null, Stream.Null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(new ContentType("application", "octet-stream"), null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(null, new ContentType("application", "octet-stream"), Stream.Null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(ParserOptions.Default, null, Stream.Null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(ParserOptions.Default, new ContentType("application", "octet-stream"), null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync((string)null));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(null, "fileName"));
Assert.Throws <ArgumentNullException> (async() => await MimeEntity.LoadAsync(ParserOptions.Default, (string)null));
Assert.Throws <ArgumentNullException> (() => part.Accept(null));
Assert.Throws <ArgumentNullException> (() => part.WriteTo((string)null));
Assert.Throws <ArgumentNullException> (() => part.WriteTo((Stream)null));
Assert.Throws <ArgumentNullException> (() => part.WriteTo((string)null, false));
Assert.Throws <ArgumentNullException> (() => part.WriteTo((Stream)null, false));
Assert.Throws <ArgumentNullException> (() => part.WriteTo(null, Stream.Null));
Assert.Throws <ArgumentNullException> (() => part.WriteTo(FormatOptions.Default, (Stream)null));
Assert.Throws <ArgumentNullException> (() => part.WriteTo(null, "fileName"));
Assert.Throws <ArgumentNullException> (() => part.WriteTo(FormatOptions.Default, (string)null));
Assert.Throws <ArgumentNullException> (() => part.WriteTo(null, Stream.Null, false));
Assert.Throws <ArgumentNullException> (() => part.WriteTo(FormatOptions.Default, (Stream)null, false));
Assert.Throws <ArgumentNullException> (() => part.WriteTo(null, "fileName", false));
Assert.Throws <ArgumentNullException> (() => part.WriteTo(FormatOptions.Default, (string)null, false));
Assert.Throws <ArgumentException> (() => part.ContentId = "this is some text and stuff");
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync((string)null));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync((Stream)null));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync((string)null, false));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync((Stream)null, false));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync(null, Stream.Null));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync(FormatOptions.Default, (Stream)null));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync(null, "fileName"));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync(FormatOptions.Default, (string)null));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync(null, Stream.Null, false));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync(FormatOptions.Default, (Stream)null, false));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync(null, "fileName", false));
Assert.Throws <ArgumentNullException> (async() => await part.WriteToAsync(FormatOptions.Default, (string)null, false));
}
