/// <summary>
/// CTOR
/// </summary>
/// <param name="strategy"></param>
public CircutBreakerHandler(CircutBreakerStrategy strategy)
{
CircuitBreakerPolicy circutBreakerPolicy = Policy
.Handle <TException>()
.CircuitBreakerAsync(strategy.AllowedExceptionsCount, strategy.CooldownTimeout, (exception, count) => strategy.OnRetry?.Invoke(exception), strategy.OnReset);
strategy.Reset = circutBreakerPolicy.Reset;
strategy.Isolate = circutBreakerPolicy.Isolate;
Policy = circutBreakerPolicy;
}
public void CircutBreakerPolicy_WhenException_Break(bool isPositive, int executionTimes, int retriesConfiguration, int expectedExecutions)
{
var policyRegistry = new StrategyBuilder();
var timesExecuted = 0;
var strategy = new CircutBreakerStrategy
{
AllowedExceptionsCount = retriesConfiguration,
CooldownTimeout = TimeSpan.FromMilliseconds(100),
};
var handler = policyRegistry.Add <Exception>(strategy).Build();
for (int i = 0; i < executionTimes; i++)
{
var executionResult = handler.Execute(() =>
{
timesExecuted++;
var num = GetNumber(isPositive);
if (num <= 0)
{
throw new Exception();
}
return(num);
});
}
Assert.Equal(expectedExecutions, timesExecuted);
Thread.Sleep(100);
var executionResult2 = handler.Execute(() =>
{
timesExecuted++;
var num = GetNumber(isPositive);
if (num <= 0)
{
throw new Exception();
}
return(num);
});
Assert.Equal(++expectedExecutions, timesExecuted);
}