public void ReadResponse()
{
MockRepository mocks = new MockRepository();
ModbusRtuTransport transport =
mocks.PartialMock <ModbusRtuTransport>(MockRepository.GenerateStub <IStreamResource>());
Expect.Call(transport.Read(ModbusRtuTransport.ResponseFrameStartLength))
.Return(new byte[] { 1, 1, 1, 0 });
Expect.Call(transport.Read(2))
.Return(new byte[] { 81, 136 });
mocks.ReplayAll();
ReadCoilsInputsResponse response =
transport.ReadResponse <ReadCoilsInputsResponse>() as ReadCoilsInputsResponse;
Assert.IsNotNull(response);
ReadCoilsInputsResponse expectedResponse = new ReadCoilsInputsResponse(Modbus.ReadCoils, 1, 1,
new DiscreteCollection(false));
Assert.AreEqual(response.MessageFrame, expectedResponse.MessageFrame);
mocks.VerifyAll();
}
public void Read()
{
MockRepository mocks = new MockRepository();
IStreamResource mockSerialResource = mocks.StrictMock <IStreamResource>();
Expect.Call(mockSerialResource.Read(new byte[5], 0, 5)).Do(((Func <byte[], int, int, int>) delegate(byte[] buf, int offset, int count)
{
Array.Copy(new byte[] { 2, 2, 2 }, buf, 3);
return(3);
}));
Expect.Call(mockSerialResource.Read(new byte[] { 2, 2, 2, 0, 0 }, 3, 2)).Do(((Func <byte[], int, int, int>) delegate(byte[] buf, int offset, int count)
{
Array.Copy(new byte[] { 3, 3 }, 0, buf, 3, 2);
return(2);
}));
mocks.ReplayAll();
ModbusRtuTransport transport = new ModbusRtuTransport(mockSerialResource);
Assert.AreEqual(new byte[] { 2, 2, 2, 3, 3 }, transport.Read(5));
mocks.VerifyAll();
}
public void ReadRequest()
{
MockRepository mocks = new MockRepository();
ModbusRtuTransport transport = mocks.PartialMock <ModbusRtuTransport>(MockRepository.GenerateStub <IStreamResource>());
Expect.Call(transport.Read(ModbusRtuTransport.RequestFrameStartLength))
.Return(new byte[] { 1, 1, 1, 0, 1, 0, 0 });
Expect.Call(transport.Read(1))
.Return(new byte[] { 5 });
mocks.ReplayAll();
Assert.AreEqual(new byte[] { 1, 1, 1, 0, 1, 0, 0, 5 }, transport.ReadRequest());
mocks.VerifyAll();
}
public void Read()
{
var mock = new Mock <IStreamResource>(MockBehavior.Strict);
mock.Setup(s => s.Read(It.Is <byte[]>(x => x.Length == 5), 0, 5))
.Returns((byte[] buf, int offset, int count) =>
{
Array.Copy(new byte[] { 2, 2, 2 }, buf, 3);
return(3);
});
mock.Setup(s => s.Read(It.Is <byte[]>(x => x.Length == 5), 3, 2))
.Returns((byte[] buf, int offset, int count) =>
{
Array.Copy(new byte[] { 3, 3 }, 0, buf, 3, 2);
return(2);
});
var factory = new ModbusFactory();
var transport = new ModbusRtuTransport(mock.Object, factory, NullModbusLogger.Instance);
Assert.Equal(new byte[] { 2, 2, 2, 3, 3 }, transport.Read(5));
mock.VerifyAll();
}
public void Read()
{
MockRepository mocks = new MockRepository();
IStreamResource mockSerialResource = mocks.StrictMock<IStreamResource>();
Expect.Call(mockSerialResource.Read(new byte[5], 0, 5))
.Do(((Func<byte[], int, int, int>) delegate(byte[] buf, int offset, int count)
{
Array.Copy(new byte[] {2, 2, 2}, buf, 3);
return 3;
}));
Expect.Call(mockSerialResource.Read(new byte[] {2, 2, 2, 0, 0}, 3, 2))
.Do(((Func<byte[], int, int, int>) delegate(byte[] buf, int offset, int count)
{
Array.Copy(new byte[] {3, 3}, 0, buf, 3, 2);
return 2;
}));
mocks.ReplayAll();
ModbusRtuTransport transport = new ModbusRtuTransport(mockSerialResource);
Assert.AreEqual(new byte[] {2, 2, 2, 3, 3}, transport.Read(5));
mocks.VerifyAll();
}
public void ReadResponseSlaveException()
{
MockRepository mocks = new MockRepository();
ModbusRtuTransport transport = mocks.PartialMock <ModbusRtuTransport>(MockRepository.GenerateStub <IStreamResource>());
byte[] messageFrame = { 0x01, 0x81, 0x02 };
byte[] crc = ModbusUtility.CalculateCrc(messageFrame);
Expect.Call(transport.Read(ModbusRtuTransport.ResponseFrameStartLength))
.Return(messageFrame.Concat(SequenceUtility.ToSequence(crc[0])).ToArray());
Expect.Call(transport.Read(1))
.Return(new byte[] { crc[1] });
mocks.ReplayAll();
Assert.IsTrue(transport.ReadResponse <ReadCoilsInputsResponse>() is SlaveExceptionResponse);
mocks.VerifyAll();
}
public void ReadResponseSlaveExceptionWithErroneousLrc()
{
MockRepository mocks = new MockRepository();
ModbusRtuTransport transport = mocks.PartialMock <ModbusRtuTransport>(MockRepository.GenerateStub <IStreamResource>());
byte[] messageFrame = { 0x01, 0x81, 0x02 };
// invalid crc
byte[] crc = { 0x9, 0x9 };
Expect.Call(transport.Read(ModbusRtuTransport.ResponseFrameStartLength))
.Return(messageFrame.Concat(crc[0].ToSequence()).ToArray());
Expect.Call(transport.Read(1))
.Return(new byte[] { crc[1] });
mocks.ReplayAll();
transport.ReadResponse <ReadCoilsInputsResponse>();
mocks.VerifyAll();
}