/// <summary>
/// Gets the element which currently has focus.
/// </summary>
/// <typeparam name="T">The type of element which is expected to have focus.</typeparam>
/// <param name="app">The Ultraviolet test application.</param>
/// <returns>The element which currently has focus.</returns>
protected T GetElementWithFocus <T>(IUltravioletTestApplication app) where T : UIElement
{
var screen = app.Ultraviolet.GetUI().GetScreens().Peek();
if (screen == null)
{
return(null);
}
var view = screen.View as PresentationFoundationView;
if (view == null)
{
return(null);
}
return(view.ElementWithFocus as T);
}
/// <summary>
/// Destroys the specified test application.
/// </summary>
/// <param name="application">The test application to destroy.</param>
protected static void DestroyUltravioletApplication(IUltravioletTestApplication application)
{
try
{
if (application != null)
{
application.Dispose();
}
}
catch (Exception e1)
{
try
{
var context = (UltravioletContext)typeof(UltravioletContext).GetField("current",
BindingFlags.NonPublic | BindingFlags.Static).GetValue(null);
if (context != null)
{
context.Dispose();
}
}
catch (Exception e2)
{
var error = new StringBuilder();
error.AppendLine($"An exception occurred while destroying the Ultraviolet application, and test framework failed to perform a clean teardown.");
error.AppendLine();
error.AppendLine($"Exception which occurred during cleanup:");
error.AppendLine();
error.AppendLine(e1.ToString());
error.AppendLine();
error.AppendLine($"Exception which occurred during teardown:");
error.AppendLine();
error.AppendLine(e2.ToString());
try
{
File.WriteAllText($"uv-test-error-{DateTime.Now:yyyy-MM-dd-HH-mm-ss-fff}.txt", error.ToString());
}
catch (IOException) { }
}
throw;
}
}
/// <summary>
/// Destroys the specified test application.
/// </summary>
/// <param name="application">The test application to destroy.</param>
protected static void DestroyUltravioletApplication(IUltravioletTestApplication application)
{
try
{
if (application != null)
{
application.Dispose();
}
}
catch (Exception e1)
{
try
{
var context = (UltravioletContext)typeof(UltravioletContext).GetField("current",
BindingFlags.NonPublic | BindingFlags.Static).GetValue(null);
if (context != null)
{
context.Dispose();
}
}
catch (Exception e2)
{
var error = new StringBuilder();
error.AppendLine($"An exception occurred while destroying the Ultraviolet application, and test framework failed to perform a clean teardown.");
error.AppendLine();
error.AppendLine($"Exception which occurred during cleanup:");
error.AppendLine();
error.AppendLine(e1.ToString());
error.AppendLine();
error.AppendLine($"Exception which occurred during teardown:");
error.AppendLine();
error.AppendLine(e2.ToString());
try
{
File.WriteAllText($"uv-test-error-{DateTime.Now:yyyy-MM-dd-HH-mm-ss-fff}.txt", error.ToString());
}
catch (IOException) { }
}
throw;
}
}
/// <summary>
/// Destroys the specified test application.
/// </summary>
/// <param name="application">The test application to destroy.</param>
protected static void DestroyUltravioletApplication(IUltravioletTestApplication application)
{
try
{
if (application != null)
{
application.Dispose();
}
}
catch
{
var context = (UltravioletContext)typeof(UltravioletContext).GetField("current",
BindingFlags.NonPublic | BindingFlags.Static).GetValue(null);
if (context != null)
{
context.Dispose();
}
throw;
}
}
/// <summary>
/// Wraps the element with keyboard focus for evaluation.
/// </summary>
/// <param name="app">The test application.</param>
/// <returns>The wrapped element.</returns>
protected ObjectResult <T> TheElementWithFocus <T>(IUltravioletTestApplication app) where T : UIElement
{
return(TheResultingObject(GetElementWithFocus <T>(app)));
}
/// <summary>
/// Wraps the element with keyboard focus for evaluation.
/// </summary>
/// <param name="app">The test application.</param>
/// <returns>The wrapped element.</returns>
protected ObjectResult <UIElement> TheElementWithFocus(IUltravioletTestApplication app)
{
return(TheResultingObject(GetElementWithFocus <UIElement>(app)));
}
/// <summary>
/// Specifies that the application should configure the Presentation Foundation.
/// </summary>
/// <returns>The Ultraviolet test application.</returns>
public static IUltravioletTestApplication WithPresentationFoundationConfigured(this IUltravioletTestApplication @this)
{
return(@this.WithPlugin(new PresentationFoundationPlugin()));
}
