public void ShouldWaitUntilImagePixelsAreObtained()
{
// Given
var imageModel = new ImageModel(1024, 768, ImageBitDepth.Bpp12);
var packetSimulationEnumerator = TestDataSource.SimulateSendingOfDummyImageWithStartMidwayOfSendingAnImage(imageModel).GetEnumerator();
var udpClientMock = new Mock <IUdpClient>();
udpClientMock.Setup(r => r.Receive()).Returns(() =>
{
packetSimulationEnumerator.MoveNext();
return(packetSimulationEnumerator.Current);
});
var imageProvider = new CameraImageProvider(imageModel, udpClientMock.Object);
// When
Image actualImage;
imageProvider.TryToObtainImage(out actualImage);
// Then
var expectedImage = TestDataSource.GetExpectedDummyImage(imageModel);
Assert.AreEqual(expectedImage, actualImage);
}
public void ShouldThrowExceptionWhenUnsupportedParametersAreUsed()
{
// Given
var imageModel = new ImageModel(1024, 1024, ImageBitDepth.Bpp8);
var udpClient = PrepareUdpClientMock(imageModel);
var imageProvider = new CameraImageProvider(imageModel, udpClient);
// When
// Then
Image actualImage;
imageProvider.TryToObtainImage(out actualImage);
}
public void ShouldThrowExceptionWhenDifferentImageIsReceivedThanRequested()
{
// Given
var requestedImageModel = new ImageModel(1024, 768, ImageBitDepth.Bpp8);
var actualImageModel = new ImageModel(1024, 768, ImageBitDepth.Bpp12);
var udpClient = PrepareUdpClientMock(actualImageModel);
var imageProvider = new CameraImageProvider(requestedImageModel, udpClient);
// When
// Then
Image actualImage;
imageProvider.TryToObtainImage(out actualImage);
}
public void ShouldReturnCorrectImageWhenUsing12BppModel()
{
// Given
var imageModel = new ImageModel(1024, 768, ImageBitDepth.Bpp12);
var udpClient = PrepareUdpClientMock(imageModel);
var imageProvider = new CameraImageProvider(imageModel, udpClient);
// When
Image actualImage;
imageProvider.TryToObtainImage(out actualImage);
// Then
var expectedImage = TestDataSource.GetExpectedDummyImage(imageModel);
Assert.AreEqual(expectedImage, actualImage);
}
public void ShouldReturnEmptyImageWhenNoPixelsWhereSent()
{
// Given
var udpClientMock = new Mock <IUdpClient>();
var imageModel = new ImageModel(1024, 768, ImageBitDepth.Bpp8);
udpClientMock.Setup(uc => uc.Receive()).Returns(Encoding.ASCII.GetBytes("START"));
var imageProvider = new CameraImageProvider(imageModel, udpClientMock.Object);
// When
Image actualImage;
imageProvider.TryToObtainImage(out actualImage);
// Then
var expectedImage = new Image(imageModel);
Assert.AreEqual(expectedImage, actualImage);
}