public void BuildMessageFrame()
{
byte[] expected = { 58, 48, 50, 48, 49, 48, 48, 48, 48, 48, 48, 48, 49, 70, 67, 13, 10 };
ReadCoilsInputsRequest request = new ReadCoilsInputsRequest(Modbus.ReadCoils, 2, 0, 1);
var actual = new ModbusAsciiTransport(MockRepository.GenerateStub<IStreamResource>()).BuildMessageFrame(request);
Assert.AreEqual(expected, actual);
}
public void CreateResponseErroneousLrc()
{
ModbusAsciiTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub <IStreamResource>());
transport.CheckFrame = true;
Assert.Throws <IOException>(() => transport.CreateResponse <ReadCoilsInputsResponse>(new byte[] { 19, Modbus.ReadCoils, 0, 0, 0, 2, 115 }));
}
public void ChecksumsMatchSucceed()
{
ModbusAsciiTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub<IStreamResource>());
ReadCoilsInputsRequest message = new ReadCoilsInputsRequest(Modbus.ReadCoils, 17, 19, 37);
byte[] frame = { 17, Modbus.ReadCoils, 0, 19, 0, 37, 182 };
Assert.IsTrue(transport.ChecksumsMatch(message, frame));
}
public void CreateResponse_SlaveException()
{
ModbusTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub<IStreamResource>());
byte[] frame = { 2, 129, 2 };
IModbusMessage message = transport.CreateResponse<ReadCoilsInputsResponse>(frame.Concat(SequenceUtility.ToSequence(ModbusUtility.CalculateLrc(frame))).ToArray());
Assert.IsTrue(message is SlaveExceptionResponse);
}
public void CreateResponseErroneousLrcDoNotCheckFrame()
{
ModbusAsciiTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub <IStreamResource>());
transport.CheckFrame = false;
transport.CreateResponse <ReadCoilsInputsResponse>(new byte[] { 19, Modbus.ReadCoils, 0, 0, 0, 2, 115 });
}
public void BuildMessageFrame()
{
byte[] expected = { 58, 48, 50, 48, 49, 48, 48, 48, 48, 48, 48, 48, 49, 70, 67, 13, 10 };
ReadCoilsInputsRequest request = new ReadCoilsInputsRequest(Modbus.ReadCoils, 2, 0, 1);
var actual = new ModbusAsciiTransport(MockRepository.GenerateStub <IStreamResource>()).BuildMessageFrame(request);
Assert.AreEqual(expected, actual);
}
public void ChecksumsMatchFail()
{
ModbusAsciiTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub <IStreamResource>());
ReadCoilsInputsRequest message = new ReadCoilsInputsRequest(Modbus.ReadCoils, 17, 19, 37);
byte[] frame = { 17, Modbus.ReadCoils, 0, 19, 0, 37, 181 };
Assert.IsFalse(transport.ChecksumsMatch(message, frame));
}
public void BuildMessageFrame()
{
byte[] expected = { 58, 48, 50, 48, 49, 48, 48, 48, 48, 48, 48, 48, 49, 70, 67, 13, 10 };
var request = new ReadCoilsInputsRequest(ModbusFunctionCodes.ReadCoils, 2, 0, 1);
var actual = new ModbusAsciiTransport(StreamResource, NullModbusLogger.Instance)
.BuildMessageFrame(request);
Assert.Equal(expected, actual);
}
public void ChecksumsMatchSucceed()
{
var transport = new ModbusAsciiTransport(StreamResource);
var message = new ReadCoilsInputsRequest(Modbus.ReadCoils, 17, 19, 37);
byte[] frame = { 17, Modbus.ReadCoils, 0, 19, 0, 37, 182 };
Assert.True(transport.ChecksumsMatch(message, frame));
}
public void ChecksumsMatchFail()
{
var transport = new ModbusAsciiTransport(StreamResource, NullModbusLogger.Instance);
var message = new ReadCoilsInputsRequest(ModbusFunctionCodes.ReadCoils, 17, 19, 37);
byte[] frame = { 17, ModbusFunctionCodes.ReadCoils, 0, 19, 0, 37, 181 };
Assert.False(transport.ChecksumsMatch(message, frame));
}
public void CreateResponseErroneousLrcDoNotCheckFrame()
{
var transport = new ModbusAsciiTransport(StreamResource, new ModbusFactory(), NullModbusLogger.Instance)
{
CheckFrame = false
};
transport.CreateResponse <ReadCoilsInputsResponse>(new byte[] { 19, ModbusFunctionCodes.ReadCoils, 0, 0, 0, 2, 115 });
}
public void ChecksumsMatchFail()
{
var transport = new ModbusAsciiTransport(StreamResource);
var message = new ReadCoilsInputsRequest(Modbus.ReadCoils, 17, 19, 37);
byte[] frame = { 17, Modbus.ReadCoils, 0, 19, 0, 37, 181 };
Assert.False((bool)transport.ChecksumsMatch(message, frame));
}
public void CreateResponse_SlaveException()
{
ModbusTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub <IStreamResource>());
byte[] frame = { 2, 129, 2 };
IModbusMessage message = transport.CreateResponse <ReadCoilsInputsResponse>(frame.Concat(SequenceUtility.ToSequence(ModbusUtility.CalculateLrc(frame))).ToArray());
Assert.IsTrue(message is SlaveExceptionResponse);
}
public void CreateResponse()
{
ModbusAsciiTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub<IStreamResource>());
ReadCoilsInputsResponse expectedResponse = new ReadCoilsInputsResponse(Modbus.ReadCoils, 2, 1, new DiscreteCollection(true, false, false, false, false, false, false, true));
byte lrc = ModbusUtility.CalculateLrc(expectedResponse.MessageFrame);
ReadCoilsInputsResponse response = transport.CreateResponse<ReadCoilsInputsResponse>(new byte[] { 2, Modbus.ReadCoils, 1, 129, lrc }) as ReadCoilsInputsResponse;
Assert.IsNotNull(response);
AssertModbusMessagePropertiesAreEqual(expectedResponse, response);
}
public void CreateResponseErroneousLrcDoNotCheckFrame()
{
var transport = new ModbusAsciiTransport(StreamResource)
{
CheckFrame = false
};
transport.CreateResponse <ReadCoilsInputsResponse>(new byte[] { 19, Modbus.ReadCoils, 0, 0, 0, 2, 115 });
}
public void BuildMessageFrame()
{
byte[] expected = { 58, 48, 50, 48, 49, 48, 48, 48, 48, 48, 48, 48, 49, 70, 67, 13, 10 };
ReadCoilsInputsRequest?request = new(Modbus.ReadCoils, 2, 0, 1);
byte[]? actual = new ModbusAsciiTransport(StreamResource)
.BuildMessageFrame(request);
Assert.Equal(expected, actual);
}
public void CreateResponse()
{
var transport = new ModbusAsciiTransport(StreamResource, new ModbusFactory(), NullModbusLogger.Instance);
var expectedResponse = new ReadCoilsInputsResponse(ModbusFunctionCodes.ReadCoils, 2, 1, new DiscreteCollection(true, false, false, false, false, false, false, true));
byte lrc = ModbusUtility.CalculateLrc(expectedResponse.MessageFrame);
IModbusMessage response = transport.CreateResponse <ReadCoilsInputsResponse>(new byte[] { 2, ModbusFunctionCodes.ReadCoils, 1, 129, lrc });
Assert.IsType <ReadCoilsInputsResponse>(response);
ModbusMessageFixture.AssertModbusMessagePropertiesAreEqual(expectedResponse, response);
}
public void CreateResponse()
{
ModbusAsciiTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub <IStreamResource>());
ReadCoilsInputsResponse expectedResponse = new ReadCoilsInputsResponse(Modbus.ReadCoils, 2, 1, new DiscreteCollection(true, false, false, false, false, false, false, true));
byte lrc = ModbusUtility.CalculateLrc(expectedResponse.MessageFrame);
ReadCoilsInputsResponse response = transport.CreateResponse <ReadCoilsInputsResponse>(new byte[] { 2, Modbus.ReadCoils, 1, 129, lrc }) as ReadCoilsInputsResponse;
Assert.IsNotNull(response);
AssertModbusMessagePropertiesAreEqual(expectedResponse, response);
}
public void CreateResponseErroneousLrc()
{
var transport = new ModbusAsciiTransport(StreamResource, NullModbusLogger.Instance)
{
CheckFrame = true
};
var frame = new byte[] { 19, ModbusFunctionCodes.ReadCoils, 0, 0, 0, 2, 115 };
Assert.Throws <IOException>(
() => transport.CreateResponse <ReadCoilsInputsResponse>(frame));
}
public void ReadRequestResponse()
{
var mocks = new MockRepository();
var stream = mocks.StrictMock <IStreamResource>();
var transport = new ModbusAsciiTransport(stream);
ExpectReadLine(stream, Encoding.ASCII.GetBytes(":110100130025B6\r\n"));
mocks.ReplayAll();
Assert.AreEqual(new byte[] { 17, 1, 0, 19, 0, 37, 182 }, transport.ReadRequestResponse());
mocks.VerifyAll();
}
public void ReadRequestResponse()
{
var mocks = new MockRepository();
var stream = mocks.StrictMock<IStreamResource>();
var transport = new ModbusAsciiTransport(stream);
ExpectReadLine(stream, Encoding.ASCII.GetBytes(":110100130025B6\r\n"));
mocks.ReplayAll();
Assert.AreEqual(new byte[] { 17, 1, 0, 19, 0, 37, 182 }, transport.ReadRequestResponse());
mocks.VerifyAll();
}
public void ReadRequestResponseNotEnoughBytes()
{
var mock = new Mock <IStreamResource>(MockBehavior.Strict);
IStreamResource stream = mock.Object;
var transport = new ModbusAsciiTransport(stream, NullModbusLogger.Instance);
int calls = 0;
byte[] bytes = Encoding.ASCII.GetBytes(":10\r\n");
mock.Setup(s => s.Read(It.Is <byte[]>(x => x.Length == 1), 0, 1))
.Returns((byte[] buffer, int offset, int count) =>
{
buffer[offset] = bytes[calls++];
return(1);
});
Assert.Throws <IOException>(() => transport.ReadRequestResponse());
mock.VerifyAll();
}
public void ReadRequestResponse()
{
var mock = new Mock <IStreamResource>(MockBehavior.Strict);
IStreamResource stream = mock.Object;
var transport = new ModbusAsciiTransport(stream, NullModbusLogger.Instance);
int calls = 0;
byte[] bytes = Encoding.ASCII.GetBytes(":110100130025B6\r\n");
mock.Setup(s => s.Read(It.Is <byte[]>(x => x.Length == 1), 0, 1))
.Returns((byte[] buffer, int offset, int count) =>
{
buffer[offset] = bytes[calls++];
return(1);
});
Assert.Equal(new byte[] { 17, 1, 0, 19, 0, 37, 182 }, transport.ReadRequestResponse());
mock.VerifyAll();
}
public void CreateResponseErroneousLrc()
{
ModbusAsciiTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub<IStreamResource>());
transport.CheckFrame = true;
Assert.Throws<IOException>(() => transport.CreateResponse<ReadCoilsInputsResponse>(new byte[] {19, Modbus.ReadCoils, 0, 0, 0, 2, 115}));
}
public void CreateResponseErroneousLrcDoNotCheckFrame()
{
ModbusAsciiTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub<IStreamResource>());
transport.CheckFrame = false;
transport.CreateResponse<ReadCoilsInputsResponse>(new byte[] { 19, Modbus.ReadCoils, 0, 0, 0, 2, 115 });
}
