public void When_exceptions_are_thrown_It_retries_And_when_expected_result_found_subsequently_It_returns_expected_result_immediately()
{
const int throwsHowManyTimes = 2;
var expectedResult = new object();
var query = new ThrowsThenSubsequentlySucceedsQuery<object>(expectedResult, expectedResult, throwsHowManyTimes, TimeSpan.FromMilliseconds(100),retryInterval);
Assert.That(retryUntilTimeoutRobustWrapper.Robustly(query), Is.EqualTo(expectedResult));
Assert.That(query.Tries, Is.EqualTo(throwsHowManyTimes + 1));
}
public void When_exceptions_are_thrown_It_retries_And_when_expected_result_found_subsequently_It_returns_expected_result_immediately()
{
const int throwsHowManyTimes = 2;
var expectedResult = new object();
var query = new ThrowsThenSubsequentlySucceedsQuery<object>(expectedResult, expectedResult, throwsHowManyTimes, new Options { Timeout = TimeSpan.FromMilliseconds(100), RetryInterval = retryInterval });
Assert.That(_retryUntilTimeoutTimingStrategy.Synchronise(query), Is.EqualTo(expectedResult));
Assert.That(query.Tries, Is.EqualTo(throwsHowManyTimes + 1));
}
public void When_exceptions_are_thrown_It_retries_And_when_unexpected_result_found_subsequently_It_keeps_looking_for_expected_result_But_returns_unexpected_result_after_timeout()
{
var expectedTimeout = TimeSpan.FromMilliseconds(250);
const int retryIntervalMS = 70;
retryInterval = TimeSpan.FromMilliseconds(retryIntervalMS);
var expectedResult = new object();
var unexpectedResult = new object();
var throwsTwiceTimesThenReturnOppositeResult = new ThrowsThenSubsequentlySucceedsQuery<object>(unexpectedResult, expectedResult, 2, expectedTimeout,retryInterval);
Assert.That(retryUntilTimeoutRobustWrapper.Robustly(throwsTwiceTimesThenReturnOppositeResult), Is.EqualTo(unexpectedResult));
Assert.That(throwsTwiceTimesThenReturnOppositeResult.Tries, Is.GreaterThanOrEqualTo(3));
Assert.That(throwsTwiceTimesThenReturnOppositeResult.LastCall, Is.InRange(expectedTimeout.Milliseconds - retryIntervalMS,
expectedTimeout.Milliseconds + retryIntervalMS));
}
