/// <summary>
/// Validates an <see cref="Activity"/> according to an expected activity <see cref="TestScriptItem"/>.
/// </summary>
/// <param name="expectedActivity">The expected activity of type <see cref="TestScriptItem"/>.</param>
/// <param name="actualActivity">The actual response <see cref="Activity"/> received.</param>
/// <param name="cancellationToken">Optional. A <see cref="CancellationToken"/> that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A task that represents the work queued to execute.</returns>
protected virtual Task AssertActivityAsync(TestScriptItem expectedActivity, Activity actualActivity, CancellationToken cancellationToken = default)
{
var templateRegex = new Regex(@"\{\{[\w\s]*\}\}");
foreach (var assertion in expectedActivity.Assertions)
{
var template = templateRegex.Match(assertion);
if (template.Success)
{
ValidateVariable(template.Value, actualActivity);
}
var(result, error) = Expression.Parse(assertion).TryEvaluate <bool>(actualActivity);
if (!result)
{
throw new InvalidOperationException($"Assertion failed: {assertion}.");
}
if (error != null)
{
throw new InvalidOperationException(error);
}
}
return(Task.CompletedTask);
}
private bool IgnoreScriptActivity(TestScriptItem activity)
{
return(activity.Type == ActivityTypes.Trace || activity.Type == ActivityTypes.Typing);
}