/// <summary>
/// Invokes the test method on the given test class instance.
/// </summary>
/// <param name="testClassInstance">The test class instance</param>
/// <returns>Returns the time taken to invoke the test method</returns>
public virtual async Task <decimal> InvokeTestMethodAsync(object testClassInstance)
{
var oldSyncContext = SynchronizationContext.Current;
try
{
var asyncSyncContext = new AsyncTestSyncContext(oldSyncContext);
SetSynchronizationContext(asyncSyncContext);
await Aggregator.RunAsync(
() => Timer.AggregateAsync(
async() =>
{
var parameterCount = TestMethod.GetParameters().Length;
var valueCount = TestMethodArguments == null ? 0 : TestMethodArguments.Length;
if (parameterCount != valueCount)
{
Aggregator.Add(
new InvalidOperationException(
String.Format("The test method expected {0} parameter value{1}, but {2} parameter value{3} {4} provided.",
parameterCount, parameterCount == 1 ? "" : "s",
valueCount, valueCount == 1 ? "" : "s", valueCount == 1 ? "was" : "were"))
);
}
else
{
var result = TestMethod.Invoke(testClassInstance, TestMethodArguments);
var task = result as Task;
if (task != null)
{
await task;
}
else
{
var ex = await asyncSyncContext.WaitForCompletionAsync();
if (ex != null)
{
Aggregator.Add(ex);
}
}
}
}
)
);
}
finally
{
SetSynchronizationContext(oldSyncContext);
}
return(Timer.Total);
}
/// <summary>
/// Invokes the test method on the given test class instance.
/// </summary>
/// <param name="testClassInstance">The test class instance</param>
/// <returns>Returns the time taken to invoke the test method</returns>
public virtual async Task <decimal> InvokeTestMethodAsync(object testClassInstance)
{
var oldSyncContext = SynchronizationContext.Current;
try
{
var asyncSyncContext = new AsyncTestSyncContext(oldSyncContext);
SetSynchronizationContext(asyncSyncContext);
await Aggregator.RunAsync(
() => Timer.AggregateAsync(
async() =>
{
var result = TestMethod.Invoke(testClassInstance, TestMethodArguments);
var task = result as Task;
if (task != null)
{
await task;
}
else
{
var ex = await asyncSyncContext.WaitForCompletionAsync();
if (ex != null)
{
Aggregator.Add(ex);
}
}
}
)
);
}
finally
{
SetSynchronizationContext(oldSyncContext);
}
return(Timer.Total);
}
/// <summary>
/// For unit testing purposes only.
/// </summary>
protected virtual async Task InvokeTestMethodAsync(object testClassInstance)
{
var oldSyncContext = SynchronizationContext.Current;
try
{
var asyncSyncContext = new AsyncTestSyncContext();
SetSynchronizationContext(asyncSyncContext);
await Aggregator.RunAsync(
() => Timer.AggregateAsync(
async() =>
{
var result = TestMethod.Invoke(testClassInstance, TestMethodArguments);
var task = result as Task;
if (task != null)
{
await task.ConfigureAwait(false);
}
else
{
var ex = await asyncSyncContext.WaitForCompletionAsync().ConfigureAwait(false);
if (ex != null)
{
Aggregator.Add(ex);
}
}
}
)
); // Don't use configure await false here, as we need to be on the orig context here to reset in the finally
}
finally
{
SetSynchronizationContext(oldSyncContext);
}
}
/// <summary> /// This method calls the test method via reflection. This is an available override point /// if you need to do some other form of invocation of the actual test method. /// </summary> /// <param name="testClassInstance">The instance of the test class</param> /// <returns>The return value from the test method invocation</returns> protected virtual object CallTestMethod(object testClassInstance) => TestMethod.Invoke(testClassInstance, TestMethodArguments);
