public void ShouldCallOnMessageFromSplitFrame()
{
const string firstPart = "Blah blah";
const string secondPart = "Do Data";
const string expected = firstPart + secondPart;
var firstFrame = new Hybi14DataFrame {
FrameType = FrameType.Text,
IsFinal = false,
IsMasked = true,
MaskKey = 342808,
Payload = Encoding.UTF8.GetBytes(firstPart)
};
var secondFrame = new Hybi14DataFrame {
FrameType = FrameType.Continuation,
IsFinal = true,
IsMasked = true,
MaskKey = 345808,
Payload = Encoding.UTF8.GetBytes(secondPart)
};
string result = null;
_onMessage = s => result = s;
_handler.Receive(firstFrame.ToBytes());
_handler.Receive(secondFrame.ToBytes());
Assert.AreEqual(expected, result);
}
public void ShouldConvertToBytes()
{
var frame = new Hybi14DataFrame {
IsFinal = true,
IsMasked = false,
FrameType = FrameType.Text,
Payload = Encoding.UTF8.GetBytes("Hello")
};
var expected = new byte[] { 129, 5, 72, 101, 108, 108, 111 };
var actual = frame.ToBytes();
Assert.AreEqual(expected, actual);
}
public void ShouldTransformBytesInBothDirections()
{
const string original = "Whoa";
const int key = 1343834;
var bytes = Encoding.UTF8.GetBytes(original);
var transformed = Hybi14DataFrame.TransformBytes(bytes, key);
var result = Hybi14DataFrame.TransformBytes(transformed, key);
var decoded = Encoding.UTF8.GetString(result);
Assert.AreEqual(original, decoded);
}
public void ShouldThrowInvalidFrameOnInvalidUTF8()
{
var frame = new Hybi14DataFrame {
FrameType = FrameType.Text,
IsFinal = true,
IsMasked = true,
MaskKey = 34398,
Payload = new byte[] { 0, 7, 3, 2, byte.MaxValue }
};
var ex = Assert.Throws <WebSocketException>(() => _handler.Receive(frame.ToBytes()));
Assert.AreEqual(WebSocketStatusCodes.InvalidFramePayloadData, ex.StatusCode);
}
public void ShouldThrowOnCloseFrameTooLong()
{
var frame = new Hybi14DataFrame {
FrameType = FrameType.Close,
IsFinal = true,
IsMasked = true,
MaskKey = 5232,
Payload = Encoding.UTF8.GetBytes(new String('x', 128))
};
var ex = Assert.Throws <WebSocketException>(() => _handler.Receive(frame.ToBytes()));
Assert.AreEqual(WebSocketStatusCodes.ProtocolError, ex.StatusCode);
}
public void ShouldThrowWhenRecievingUnexpectedContinuation()
{
var frame = new Hybi14DataFrame {
FrameType = FrameType.Continuation,
IsFinal = true,
IsMasked = true,
MaskKey = 345808,
Payload = Encoding.UTF8.GetBytes("continue")
};
var ex = Assert.Catch <WebSocketException>(() => _handler.Receive(frame.ToBytes()));
Assert.AreEqual(WebSocketStatusCodes.ProtocolError, ex.StatusCode);
}
public void ShouldCallOnPongWhenPongFrame()
{
var expected = new byte[] { 1, 2, byte.MaxValue, byte.MinValue };
var frame = new Hybi14DataFrame {
FrameType = FrameType.Pong,
IsFinal = true,
IsMasked = true,
MaskKey = 234234,
Payload = expected
};
byte[] result = null;
_onPong = b => result = b;
_handler.Receive(frame.ToBytes());
Assert.AreEqual(expected, result);
}
public void ShouldCallOnMessageWhenRecievingTextFrame()
{
const string expected = "This be a test";
var frame = new Hybi14DataFrame {
FrameType = FrameType.Text,
IsFinal = true,
IsMasked = true,
MaskKey = 34298,
Payload = Encoding.UTF8.GetBytes(expected)
};
string result = null;
_onMessage = s => result = s;
_handler.Receive(frame.ToBytes());
Assert.AreEqual(expected, result);
}
public void ShouldCallOnMessageWhenRecievingTextFrameLargerThanUInt16()
{
var expected = new string('x', UInt16.MaxValue) + new string('x', UInt16.MaxValue);
var frame = new Hybi14DataFrame {
FrameType = FrameType.Text,
IsFinal = true,
IsMasked = true,
MaskKey = 34298,
Payload = Encoding.UTF8.GetBytes(expected)
};
string result = null;
_onMessage = s => result = s;
_handler.Receive(frame.ToBytes());
Assert.AreEqual(expected, result);
}
public void ShouldCloseOnCloseFromText()
{
var payload = 1000.ToBigEndianBytes < ushort > ().Concat(Encoding.UTF8.GetBytes("Reason")).ToArray();
var frame = new Hybi14DataFrame {
FrameType = FrameType.Close,
IsFinal = true,
IsMasked = true,
MaskKey = 5232,
Payload = payload
};
var hit = false;
_onClose = () => hit = true;
_handler.Receive(frame.ToBytes());
Assert.IsTrue(hit);
}
public void ShouldNotCallOnMessageOnNonFinalFrame()
{
const string expected = "Blah blah";
var frame = new Hybi14DataFrame {
FrameType = FrameType.Text,
IsFinal = false,
IsMasked = true,
MaskKey = 34298,
Payload = Encoding.UTF8.GetBytes(expected)
};
var hit = false;
_onMessage = s => hit = true;
_handler.Receive(frame.ToBytes());
Assert.IsFalse(hit);
}
public void ShouldConvertPayloadsOver125BytesToBytes()
{
var frame = new Hybi14DataFrame {
IsFinal = true,
IsMasked = false,
FrameType = FrameType.Text,
Payload = Encoding.UTF8.GetBytes(new string('x', 140))
};
var expected = new List <byte> {
129, 126, 0, 140
};
expected.AddRange(frame.Payload);
var actual = frame.ToBytes();
Assert.AreEqual(expected, actual.ToArray());
}