public void TestLineWrapping()
{
var vcard = new VCard();
const string UNITEXT = "Dies ist ein wirklich sehr sehr sehr langer Text mit ü, Ö, und ä " + "" +
"damit das Line-Wrappping mit Quoted-Printable-Encoding getestet werden kann. " +
"Um noch eine Zeile einzufügen, folgt hier noch ein Satz. ";
const string ASCIITEXT = "This is really a very very long ASCII-Text. This is needed to test the " +
"vCard 2.1 - LineWrapping. That's why I have to write so much even though I have nothing to say.";
byte[] bytes = CreateBytes();
vcard.Notes = new TextProperty[]
{
new TextProperty(UNITEXT)
};
vcard.Keys = new DataProperty[] { new DataProperty(DataUrl.FromText(ASCIITEXT)) };
vcard.Photos = new DataProperty[] { new DataProperty(DataUrl.FromBytes(bytes, "image/jpeg")) };
string s = vcard.ToVcfString(VCdVersion.V2_1);
Assert.IsNotNull(s);
Assert.IsTrue(s.Split(new string[] { VCard.NewLine }, StringSplitOptions.None)
.All(x => x != null && x.Length <= VCard.MAX_BYTES_PER_LINE));
_ = VCard.ParseVcf(s);
Assert.AreEqual(((DataUrl?)vcard.Keys?.First()?.Value)?.GetEmbeddedText(), ASCIITEXT);
Assert.AreEqual(vcard.Photos?.First()?.Parameters.MediaType, "image/jpeg");
Assert.IsTrue(((DataUrl?)vcard.Photos?.First()?.Value)?.GetEmbeddedBytes()?.SequenceEqual(bytes) ?? false);
public void SerializationTest1()
{
const string MEDIA_TYPE = "image/jpeg";
byte[] data = new byte[] { 1, 2, 3 };
var dataUri = DataUrl.FromBytes(data, MEDIA_TYPE);
Assert.IsNotNull(dataUri);
Assert.AreEqual(dataUri.MimeType.MediaType, MEDIA_TYPE);
Assert.AreEqual(dataUri.Encoding, DataEncoding.Base64);
Assert.IsTrue(data.SequenceEqual(dataUri.GetEmbeddedBytes() !));
var formatter = new BinaryFormatter();
using (var stream = new MemoryStream())
{
formatter.Serialize(stream, dataUri);
stream.Position = 0;
dataUri = (DataUrl)formatter.Deserialize(stream);
}
Assert.IsNotNull(dataUri);
Assert.AreEqual(dataUri.MimeType.MediaType, MEDIA_TYPE);
Assert.AreEqual(dataUri.Encoding, DataEncoding.Base64);
Assert.IsTrue(data.SequenceEqual(dataUri.GetEmbeddedBytes() !));
}
/// <summary>
/// Erstellt einen <see cref="DataUrl"/> aus einer physisch vorhandenen Datei.
/// </summary>
/// <param name="path">Absoluter Pfad zu der einzubettenden Datei.</param>
/// <param name="mimeType">MIME-Typ der einzubettenden Datei. Wenn <c>null</c> angegeben wird,
/// wird versucht, den MIME-Typ aus der Dateiendung automatisch zu ermitteln.</param>
/// <returns>Ein <see cref="DataUrl"/>, in den die Daten der mit <paramref name="path"/> referenzierten Datei
/// eingebettet sind.</returns>
/// <exception cref="ArgumentNullException"><paramref name="path"/> ist <c>null</c>.</exception>
/// <exception cref="ArgumentException"><paramref name="path"/> ist kein gültiger Dateipfad oder
/// <paramref name="mimeType"/> hat kein gültiges Format.</exception>
/// <exception cref="UriFormatException">Es kann kein <see cref="DataUrl"/> initialisiert werden, z.B.
/// weil der URI-String länger als 65519 Zeichen ist.</exception>
/// <exception cref="IOException">E/A-Fehler.</exception>
public static DataUrl FromFile(string path, string?mimeType = null)
{
byte[] bytes = LoadFile(path);
mimeType ??= MimeTypeConverter.GetMimeTypeFromFileExtension(path);
return(DataUrl.FromBytes(bytes, mimeType));
}
public void TryCreateTest()
{
const string TEXT = "In Märchenbüchern herumstöbern.";
const string MIME_TYPE = "application/vnd.api+json";
byte[] DATA = new byte[] { 1, 2, 3 };
var dataUrl1 = DataUrl.FromText(TEXT);
Assert.IsTrue(DataUrl.TryCreate(dataUrl1.ToString(), out DataUrl? dataUrl2));
Assert.AreEqual(dataUrl2?.MimeType.MediaType, "text/plain");
Assert.AreEqual(dataUrl2?.MimeType.Parameters?[0].Value, "US-ASCII");
Assert.AreEqual(TEXT, dataUrl2?.GetEmbeddedText());
dataUrl1 = DataUrl.FromBytes(DATA, MIME_TYPE);
Assert.IsTrue(DataUrl.TryCreate(dataUrl1.ToString(), out dataUrl2));
Assert.AreEqual(dataUrl2?.MimeType.MediaType, MIME_TYPE);
Assert.AreEqual(dataUrl2?.GetFileExtension(), ".json");
Assert.IsTrue(dataUrl2?.GetEmbeddedBytes()?.SequenceEqual(DATA) ?? false);
dataUrl1 = DataUrl.FromBytes(Encoding.GetEncoding("iso-8859-1").GetBytes(TEXT), ";charset=ISO-8859-1");
Assert.IsTrue(DataUrl.TryCreate(dataUrl1.ToString(), out dataUrl2));
Assert.AreEqual(dataUrl2?.MimeType.MediaType, "text/plain");
Assert.AreEqual(dataUrl2?.MimeType.Parameters?[0].Value, "ISO-8859-1");
Assert.AreEqual(dataUrl2?.Encoding, DataEncoding.Base64);
Assert.IsTrue(dataUrl2?.ContainsText ?? false);
Assert.AreEqual(TEXT, dataUrl2?.GetEmbeddedText());
string test = "data:;charset=UTF-8,Text";
Assert.IsTrue(DataUrl.TryCreate(test, out dataUrl2));
Assert.AreEqual(dataUrl2?.EncodedData, "Text");
Assert.AreEqual(dataUrl2?.MimeType.MediaType, "text/plain");
Assert.AreEqual(dataUrl2?.MimeType.Parameters?[0].Value, "UTF-8");
Assert.AreEqual(dataUrl2?.Encoding, DataEncoding.UrlEncoded);
Assert.AreEqual("Text", dataUrl2?.GetEmbeddedText());
Assert.IsFalse(DataUrl.TryCreate(null, out _));
Assert.IsFalse(DataUrl.TryCreate("", out _));
Assert.IsFalse(DataUrl.TryCreate("http://wwww.folker-kinzel.de/index.htm", out _));
}
public void TestDataUri()
{
string text = "http://www.fölkerchen.de";
string test = DATA_PROTOCOL + "text/plain;charset=utf-8" + ";" + DEFAULT_ENCODING + "," + Uri.EscapeDataString(text);
Assert.IsTrue(DataUrl.TryCreate(test, out DataUrl? dataUri));
Assert.AreEqual(text, dataUri?.GetEmbeddedText());
dataUri = DataUrl.FromText(text);
Assert.IsNotNull(dataUri);
dataUri = DataUrl.FromBytes(new byte[] { 1, 2, 3 }, "application/x-octet");
Assert.IsNotNull(dataUri);
}