/// <summary>
/// Pre-test setup:
/// Create and initialize FaultSession
/// Set environment variables
/// </summary>
public override void Before(MethodInfo methodUnderTest)
{
string processorArch = DetectProccessorArchitecture();
ComRegistrar.Register(@".\FaultInjectionEngine\" + processorArch + @"\FaultInjectionEngine.dll");
FaultSession session = new FaultSession(FaultInjectionTestData.FaultRules);
ProcessStartInfo startInfo = session.GetProcessStartInfo("notepad.exe");
SetLocalEnvironmentVariables(startInfo);
}
public void FaultAppendText()
{
//This is a work-around, Xunit moves the reference dll's at run time so we need to call register
//from the test, instead of TestApiCore.
string processorArch = DetectProccessorArchitecture();
ComRegistrar.Register(@".\FaultInjectionEngine\" + processorArch + @"\FaultInjectionEngine.dll");
string sampleAppPath = "SampleApp.exe";
//Create the FaultRule and FaultSession
FaultRule rule = new FaultRule(
"SampleApp.Window1.Append(string, string)",
BuiltInConditions.TriggerOnEveryCall,
BuiltInFaults.ReturnValueFault(""));
FaultSession session = new FaultSession(rule);
//Start the app
ProcessStartInfo psi = session.GetProcessStartInfo(sampleAppPath);
OutOfProcessApplication testApp = new OutOfProcessApplication(
new OutOfProcessApplicationSettings
{
ProcessStartInfo = psi,
ApplicationImplementationFactory = new UIAutomationOutOfProcessApplicationFactory()
});
testApp.Start();
try
{
testApp.WaitForMainWindow(TimeSpan.FromSeconds(15));
// Discover various elements in the UI
AutomationElement mainWindowElement = (AutomationElement)testApp.MainWindow;
AutomationElement inputTextBox = AutomationUtilities.FindElementsById(mainWindowElement, "inputTextBox")[0];
AutomationElement outputTextBox = AutomationUtilities.FindElementsById(mainWindowElement, "outputTextBox")[0];
AutomationElement appendButton = AutomationUtilities.FindElementsById(mainWindowElement, "appendButton")[0];
// Click on the input text box and simulate typing
string inputText = "TestTest";
string expectedText = ""; //expected text should be nothing since we intercept the Append method
WindowPattern winPattern = mainWindowElement.GetCurrentPattern(WindowPattern.Pattern) as WindowPattern;
Helpers.MoveToAndClick(inputTextBox);
winPattern.WaitForInputIdle(inputWaitTime);
Microsoft.Test.Input.Keyboard.Type(inputText);
winPattern.WaitForInputIdle(inputWaitTime);
// Now click the button
Helpers.MoveToAndClick(appendButton);
winPattern.WaitForInputIdle(inputWaitTime);
// Now, get the text of the outputTextBox and compare it against what's expected
// Fail the test if expected != actual
TextPattern textPattern = outputTextBox.GetCurrentPattern(TextPattern.Pattern) as TextPattern;
string actualText = textPattern.DocumentRange.GetText(-1);
// Report the test result
Assert.Equal <string>(expectedText, actualText);
}
finally
{
// Close the tested application
testApp.Close();
}
}