public void WhenSynchedProcessesMessagesOfExpectedLength200Bytes()
{
//Arrange
var hasBeenCalled = false;
var mockCommsDevice = new Mock <ICommsDevice>();
mockCommsDevice.SetupSequence(x => x.BytesToRead)
.Returns(2)
.Returns(200);
mockCommsDevice.Setup(x => x.Read(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int>()))
.Callback((byte[] buffer, int offset, int count) =>
{
if (!hasBeenCalled)
{
var synchBytes = System.Text.Encoding.ASCII.GetBytes("##");
buffer[0] = synchBytes[0];
buffer[1] = synchBytes[1];
}
});
var commsChannel = new BasicChannel(mockCommsDevice.Object);
//Act
commsChannel.ProcessCommsChannel();
commsChannel.ProcessCommsChannel();
//Assert
mockCommsDevice.VerifyGet(mock => mock.BytesToRead, Times.Exactly(1));
}
public void WhenSynchedProcessesMessagesOfExpectedLength200BytesWithStartEndMarkersCopiesToRecvQueue()
{
//Arrange
var hasBeenCalled = false;
var commsIter = 0;
var mockedMessage = new byte[200];
var mockCommsDevice = new Mock <ICommsDevice>();
mockedMessage[0] = (byte)'<';
mockedMessage[1] = (byte)'<';
mockedMessage[198] = (byte)'>';
mockedMessage[199] = (byte)'>';
mockCommsDevice.SetupSequence(x => x.BytesToRead)
.Returns(2);
mockCommsDevice.Setup(x => x.Read(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int>()))
.Callback((byte[] buffer, int offset, int count) =>
{
if (!hasBeenCalled)
{
var synchBytes = System.Text.Encoding.ASCII.GetBytes("##");
buffer[0] = synchBytes[0];
buffer[1] = synchBytes[1];
hasBeenCalled = true;
}
});
mockCommsDevice.Setup(x => x.ReadByte()).Returns(() =>
{
return(mockedMessage[commsIter]);
});
var commsChannel = new BasicChannel(mockCommsDevice.Object);
//Act
commsChannel.ProcessCommsChannel();
while (commsIter < 200)
{
commsChannel.ProcessCommsChannel();
commsIter++;
}
//Assert
Assert.AreEqual(commsChannel.DataPcksAvailable(), true);
}
public void WhenInSyncModeOnlyRespondsToSyncMsg()
{
//Arrange
var mockCommsDevice = new Mock <ICommsDevice>();
mockCommsDevice.Setup(x => x.BytesToRead).Returns(3);
var commsChannel = new BasicChannel(mockCommsDevice.Object);
//Act
commsChannel.ProcessCommsChannel();
//Assert
mockCommsDevice.Verify(mock => mock.ClearInput(), Times.Once());
}
public void WhenReceiveSyncMsgRepondsWithSync()
{
//Arrange
var mockCommsDevice = new Mock <ICommsDevice>();
mockCommsDevice.Setup(x => x.BytesToRead).Returns(2);
mockCommsDevice.Setup(x => x.Read(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int>()))
.Callback((byte[] buffer, int offset, int count) =>
{
var synchBytes = System.Text.Encoding.ASCII.GetBytes("##");
buffer[0] = synchBytes[0];
buffer[1] = synchBytes[1];
});
var commsChannel = new BasicChannel(mockCommsDevice.Object);
//Act
commsChannel.ProcessCommsChannel();
//Assert
mockCommsDevice.Verify(mock => mock.Write(It.Is <byte[]>(data => data[0] == '#' && data[1] == '#' && data.Length == 2), It.Is <int>(i => i == 0), It.Is <int>(count => count == 2)), Times.Once());
}