public void WriteTrailers_InvalidHeaderValue_Error()
{
// Arrange
var trailers = new HeaderDictionary();
trailers.Add("one", "two:" + (char)127);
var output = new ArrayBufferWriter <byte>();
// Act
var ex = Assert.Throws <InvalidOperationException>(() => GrpcWebProtocolHelpers.WriteTrailers(trailers, output));
// Assert
Assert.AreEqual("Invalid non-ASCII or control character in header: 0x007F", ex.Message);
}
public void WriteTrailers_NoTrailers_WrittenToOutput()
{
// Arrange
var trailers = new HeaderDictionary();
var output = new ArrayBufferWriter <byte>();
// Act
GrpcWebProtocolHelpers.WriteTrailers(trailers, output);
// Assert
Assert.AreEqual(5, output.WrittenSpan.Length);
Assert.AreEqual(128, output.WrittenSpan[0]);
Assert.AreEqual(0, output.WrittenSpan[1]);
Assert.AreEqual(0, output.WrittenSpan[2]);
Assert.AreEqual(0, output.WrittenSpan[3]);
Assert.AreEqual(0, output.WrittenSpan[4]);
}
public void WriteTrailers_OneTrailerMixedCase_WrittenToOutputLowerCase()
{
// Arrange
var trailers = new HeaderDictionary();
trailers.Add("One", "Two");
var output = new ArrayBufferWriter <byte>();
// Act
GrpcWebProtocolHelpers.WriteTrailers(trailers, output);
// Assert
Assert.AreEqual(15, output.WrittenSpan.Length);
Assert.AreEqual(128, output.WrittenSpan[0]);
Assert.AreEqual(0, output.WrittenSpan[1]);
Assert.AreEqual(0, output.WrittenSpan[2]);
Assert.AreEqual(0, output.WrittenSpan[3]);
Assert.AreEqual(10, output.WrittenSpan[4]);
var text = Encoding.ASCII.GetString(output.WrittenSpan.Slice(5));
Assert.AreEqual("one: Two\r\n", text);
}
public void WriteTrailers_MultiValueTrailer_WrittenToOutput()
{
// Arrange
var trailers = new HeaderDictionary();
trailers.Add("one", new StringValues(new[] { "two", "three" }));
var output = new ArrayBufferWriter <byte>();
// Act
GrpcWebProtocolHelpers.WriteTrailers(trailers, output);
// Assert
Assert.AreEqual(27, output.WrittenSpan.Length);
Assert.AreEqual(128, output.WrittenSpan[0]);
Assert.AreEqual(0, output.WrittenSpan[1]);
Assert.AreEqual(0, output.WrittenSpan[2]);
Assert.AreEqual(0, output.WrittenSpan[3]);
Assert.AreEqual(22, output.WrittenSpan[4]);
var text = Encoding.ASCII.GetString(output.WrittenSpan.Slice(5));
Assert.AreEqual("one: two\r\none: three\r\n", text);
}