public void GivenConnectedPrinterControllerService_AndPrevCommandWaitingAck_AndCommandStackCleared_AndString_AndEncoding_WhenWrite_ThenCommandSent()
{
// Arrange
var printer = new PrinterConfigurationModel();
var mockPrinterPacketParser = new Mock <IPrinterPacketParser>();
var testableSerialPortAdapter = new TestableSerialPortAdapter();
var sut = new MarlinPrinterControllerService(
testableSerialPortAdapter,
mockPrinterPacketParser.Object);
var expectedDataString = "Hello World!";
sut.Connect(printer);
sut.Write(
expectedDataString,
Encoding.ASCII);
sut.ClearCommandStack();
// Act
var result = sut.Write(
"This will get sent as the command stack has been cleared!",
Encoding.ASCII);
// Assert
Assert.NotNull(result);
Assert.Equal(2, testableSerialPortAdapter.WrittenBinaryData.Count);
}
public void GivenConnectedPrinterControllerService_WhenDisconnect_ThenSerialPortAdapterDisonnectCalled_AndPrinterUnSet_AndSerialPortAdapterRefUnSet()
{
// Arrange
var printer = new PrinterConfigurationModel();
var mockSerialPortAdapter = new Mock <ISerialPortAdapter>();
var mockPrinterPacketParser = new Mock <IPrinterPacketParser>();
mockSerialPortAdapter.Setup(x => x.Connect(
It.IsAny <PrinterConfigurationModel>(),
It.IsAny <Action <SerialPortAdapterRef, string> >()))
.Returns(new SerialPortAdapterRef(printer, null));
var sut = new MarlinPrinterControllerService(
mockSerialPortAdapter.Object,
mockPrinterPacketParser.Object);
sut.Connect(printer);
// Act
sut.Disconnect();
// Assert
mockSerialPortAdapter.Verify(x => x.Disconnect(
It.IsAny <SerialPortAdapterRef>()), Times.Once);
Assert.Null(sut.Printer);
Assert.Null(sut.SerialPortAdapterRef);
}
public void GivenConnectedPrinterControllerService_AndPrevCommandWaitingAck_AndByteArray_AndOffset_AndCount_WhenWrite_ThenNullReturned()
{
// Arrange
var mockPrinterPacketParser = new Mock <IPrinterPacketParser>();
var testableSerialPortAdapter = new TestableSerialPortAdapter();
var sut = new MarlinPrinterControllerService(
testableSerialPortAdapter,
mockPrinterPacketParser.Object);
var expectedDataString = "This won't get sent!";
var expectedDataBytes = Encoding.ASCII.GetBytes(expectedDataString);
var expectedOffset = 1;
var expectedCount = 2;
sut.Write(
Encoding.ASCII.GetBytes("Hello World!"),
expectedOffset,
expectedCount);
// Act
var result = sut.Write(
expectedDataBytes,
expectedOffset,
expectedCount);
// Assert
Assert.Null(result);
}
public void GivenConnectedPrinterControllerService_AndString_AndEncoding_WhenWrite_ThenByteArrayWrittenToPrinter_AndPrinterCommandReturned()
{
// Arrange
var printer = new PrinterConfigurationModel();
var mockPrinterPacketParser = new Mock <IPrinterPacketParser>();
var testableSerialPortAdapter = new TestableSerialPortAdapter();
var sut = new MarlinPrinterControllerService(
testableSerialPortAdapter,
mockPrinterPacketParser.Object);
var expectedDataString = "Hello World!";
var expectedDataBytes = Encoding.ASCII.GetBytes(expectedDataString);
var expectedOffset = 0;
var expectedCount = expectedDataString.Length;
sut.Connect(printer);
// Act
var result = sut.Write(
expectedDataString,
Encoding.ASCII);
// Assert
Assert.Equal(expectedDataBytes, result.Data);
Assert.Equal(expectedOffset, result.Offset);
Assert.Equal(expectedCount, result.Count);
Assert.False(result.Acknowledged);
Assert.Single(testableSerialPortAdapter.WrittenBinaryData);
Assert.Equal(expectedDataBytes, testableSerialPortAdapter.WrittenBinaryData[0].Data);
Assert.Equal(expectedOffset, testableSerialPortAdapter.WrittenBinaryData[0].Offset);
Assert.Equal(expectedCount, testableSerialPortAdapter.WrittenBinaryData[0].Count);
}
public void GivenPrinterConfigurationModel_AndConfigurationCorrect_WhenConnect_ThenSerialPortAdapterConnectCalled_AndPrinterSet_AndSerialPortAdapterRefSet()
{
// Arrange
var printer = new PrinterConfigurationModel()
{
Name = "Some wizzy printer",
Port = "com9",
BaudRate = 1001
};
var mockSerialPortAdapter = new Mock <ISerialPortAdapter>();
var mockPrinterPacketParser = new Mock <IPrinterPacketParser>();
mockSerialPortAdapter.Setup(x => x.Connect(
It.IsAny <PrinterConfigurationModel>(),
It.IsAny <Action <SerialPortAdapterRef, string> >()))
.Returns(new SerialPortAdapterRef(printer, null));
var sut = new MarlinPrinterControllerService(
mockSerialPortAdapter.Object,
mockPrinterPacketParser.Object);
// Act
sut.Connect(printer);
// Assert
mockSerialPortAdapter.Verify(x => x.Connect(
It.Is <PrinterConfigurationModel>(x => x == printer),
It.IsAny <Action <SerialPortAdapterRef, string> >()), Times.Once);
Assert.Equal(printer, sut.Printer);
Assert.Equal(printer, sut.SerialPortAdapterRef.Config);
}
public void GivenConnectedPrinterControllerService_AndCommandAcked_AndString_AndEncoding_WhenWrite_ThenCommandSent()
{
// Arrange
var printer = new PrinterConfigurationModel();
var mockPrinterPacketParser = new Mock <IPrinterPacketParser>();
var testableSerialPortAdapter = new TestableSerialPortAdapter();
var sut = new MarlinPrinterControllerService(
testableSerialPortAdapter,
mockPrinterPacketParser.Object);
var expectedDataString = "Hello World!";
var expectedDataBytes = Encoding.ASCII.GetBytes(expectedDataString);
var expectedCount = expectedDataString.Length;
sut.Connect(printer);
sut.Write(
expectedDataString,
Encoding.ASCII);
mockPrinterPacketParser.Setup(x => x.ReceiveData(
It.Is <string>(x => x == "ok\n")))
.Callback(() =>
{
mockPrinterPacketParser.Raise(
x => x.PacketComplete += null,
new PrinterPacketParserPacketCompleteEventArgs()
{
Packet = new PrinterPacket()
{
IsAck = true
}
});
});
sut.SerialPortAdapterRef.DataReceivedCallback(
sut.SerialPortAdapterRef,
"ok\n");
// Act
var result = sut.Write(
"This will get sent as the previous command was acknowledged!",
Encoding.ASCII);
// Assert
Assert.NotNull(result);
Assert.Equal(2, testableSerialPortAdapter.WrittenBinaryData.Count);
}
public void GivenConnectedPrinterControllerService_WhenReceivedData_ThenEventRaisedWithReceivedData()
{
// Arrange
var printer = new PrinterConfigurationModel();
var testableSerialPortAdapter = new TestableSerialPortAdapter();
var mockPrinterPacketParser = new Mock <IPrinterPacketParser>();
var sut = new MarlinPrinterControllerService(
testableSerialPortAdapter,
mockPrinterPacketParser.Object);
var receivedData = string.Empty;
var expecetdData = "Hello World!";
sut.Connect(printer);
mockPrinterPacketParser.Setup(x => x.ReceiveData(
It.IsAny <string>())).Callback((string data) =>
{
var eventArgs = new PrinterPacketParserPacketCompleteEventArgs()
{
Packet = new PrinterPacket()
{
RawData = data
}
};
mockPrinterPacketParser.Raise(
x => x.PacketComplete += null,
eventArgs);
});
// Act
sut.ReceivedData += new EventHandler <PrinterControllerReceivedDataEventArgs>(delegate(object s, PrinterControllerReceivedDataEventArgs ev)
{
receivedData = ev.Packet.RawData;
});
testableSerialPortAdapter.FakeReceiveData(
testableSerialPortAdapter.SerialPortAdapterRef,
expecetdData);
// Assert
Assert.Equal(expecetdData, receivedData);
}
public void GivenConnectedPrinterControllerService_AndPrevCommandWaitingAck_AndString_AndEncoding_WhenWrite_ThenNullReturned()
{
// Arrange
var printer = new PrinterConfigurationModel();
var mockPrinterPacketParser = new Mock <IPrinterPacketParser>();
var testableSerialPortAdapter = new TestableSerialPortAdapter();
var sut = new MarlinPrinterControllerService(
testableSerialPortAdapter,
mockPrinterPacketParser.Object);
var expectedDataString = "Hello World!";
sut.Connect(printer);
sut.Write(
expectedDataString,
Encoding.ASCII);
// Act
var result = sut.Write(
"This won't get sent!",
Encoding.ASCII);
// Assert
Assert.Null(result);
}