public bool SendEmailUsingMultipleHosts(IEnumerable <string> hostsList, string email)
{
var retryer = new TaskRetryer()
{
// Optional configuration attempts
Config = new RetryConfig {
RetryInterval = 0, // Time in milliseconds to wait (default = 0)
MaximumAttempts = 10, // Default = 0 indicating no limit of attempts
},
};
var mailer = new FakeMailer();
var enumerator = hostsList.GetEnumerator();
retryer.RetryableOperation = delegate {
enumerator.MoveNext(); // No need to check since it will only be called servers.Count times
string host = enumerator.Current;
mailer.SmtpHost = host.Trim();
var output = mailer.SendEmail(email);
if (output == false)
{
TestContext.WriteLine("Failure when sending email. Chilkat error: {0}", mailer.LastErrorText);
}
return(output);
};
retryer.ExceptionLogger =
args => TestContext.WriteLine("Email send failure, try #{0}: {1}", args.TryCount, args.Exception.Message);
return(retryer.ProcessRetries());
}
private TaskRetryer GetTaskRetryer(int maxAttempts = 0)
{
var retryer = new TaskRetryer {
RetryableOperation = CheckKidsCount,
ExceptionLogger = (args) => TestContext.WriteLine("Exception message: " + args.Exception.Message),
Config = new RetryConfig()
{
MaximumAttempts = maxAttempts, // 0 represents unlimited attempts
RetryInterval = 900, // Representing 9 months
},
};
return(retryer);
}
public void FailureSyncStaticTest()
{
Exception error = null;
var instance = TaskRetryer.DefaultInstance;
instance.Config = GetConfigForFailure();
instance.RetryableOperation = Try;
instance.ExceptionLogger = (ex) => error = ex.Exception;
// Trying with exception suppression
bool actual = TaskRetryer.ProcessRetries(Try, null); // out error
Assert.AreEqual(_tries, TriesToFail);
Assert.AreEqual(_tries, actual);
Assert.IsInstanceOfType(error, typeof(OperationCanceledException));
// Trying without exception suppression
TestInitialize();
TaskRetryer.ProcessRetries(Try, null);
}
