public void FindIViewErrorWillREturnNullWhenNoViewErrorIsFound()
{
Control child = new Control();
Control parent = new Control();
Control controlNotToFind = new Control();
controlNotToFind.Controls.Add(parent);
parent.Controls.Add(child);
var foundControl = ViewExceptionHandler.FindErrorVisualizer(child);
Assert.IsNull(foundControl);
}
public void CanFindIViewErrorMessageInParents()
{
Control child = new Control();
Control parent = new Control();
MockErrorVisualizingView controlToFind = new MockErrorVisualizingView();
controlToFind.Controls.Add(parent);
parent.Controls.Add(child);
var foundControl = ViewExceptionHandler.FindErrorVisualizer(child);
Assert.AreSame(controlToFind, foundControl);
}
public void FindErrorVisualizer_ReturnsNull_WhenNoViewErrorIsFound()
{
// Arrange
var child = new Control();
var parent = new Control();
var controlNotToFind = new Control();
// Act
controlNotToFind.Controls.Add(parent);
parent.Controls.Add(child);
var foundControl = ViewExceptionHandler.FindErrorVisualizer(child);
// Assert
Assert.IsNull(foundControl);
}
public void FindErrorVisualizer_FindsIErrorVisualizerInParents()
{
// Arrange
var child = new Control();
var parent = new Control();
var controlToFind = new MockErrorVisualizingView();
// Act
controlToFind.Controls.Add(parent);
parent.Controls.Add(child);
var foundControl = ViewExceptionHandler.FindErrorVisualizer(child);
// Assert
Assert.AreSame(controlToFind, foundControl);
}
public void ShowPricing(string productSku)
{
try
{
if (!string.IsNullOrEmpty(productSku))
{
IPricingRepository pricingRepository = SharePointServiceLocator.Current.GetInstance <IPricingRepository>();
Price price = pricingRepository.GetPriceBySku(productSku);
if (price == null)
{
this.PriceText = "There is no price available for this product.";
}
else
{
this.PriceText = price.Value.ToString("C", CultureInfo.CurrentUICulture);
}
}
else
{
PriceText = "The product has not been specified.";
}
this.DataBind();
}
catch (Exception ex)
{
// If an unknown exception occurs we want to:
// 1. Log the error
// 2. Display a friendly (Non technical) error message.
// The ViewExceptionHandler will do that for us:
ViewExceptionHandler viewExceptionHandler = new ViewExceptionHandler();
// In this example, we are looking for an error visualizer up in the tree and using that to display the error.
// Find the error Visualizer (in this case, the one that was added by the PricingWebPart.cs:
IErrorVisualizer errorVisualizer = ViewExceptionHandler.FindErrorVisualizer(this);
// Now log the error and display a friendly error message using the error visualizer.
viewExceptionHandler.HandleViewException(ex, errorVisualizer, string.Format(CultureInfo.CurrentUICulture, "Due to a technical problem, the pricing information for sku '{0}' could not be retrieved. Please try again later.", productSku));
}
}