public async Task ExecuteValidActionOneTime()
{
var action = new Mock <Func <Task <string> > >();
var executer = new ExponentialRetryRequestExecuter(3, 2);
var res = await executer.ExecuteAsync(action.Object);
res.Should().Be(null);
action.Verify(a => a(), Times.Once);
}
public void ShouldNotRetryAnyOtherExceptionAction()
{
var action = new Mock <Func <Task <string> > >();
action.Setup(a => a()).Throws <Exception>();
var executer = new ExponentialRetryRequestExecuter(3, 0);
executer.Awaiting(e => e.ExecuteAsync(action.Object)).Should().Throw <Exception>();
action.Verify(a => a(), Times.Exactly(1));
}
public void ShouldInvokeCallbackAction()
{
var executer = new ExponentialRetryRequestExecuter(5, 0);
var action = new Mock <Func <Task <string> > >();
action.Setup(a => a()).Throws <TaskCanceledException>();
var invokedTimes = 0;
executer.Awaiting(e => e.ExecuteAsync(action.Object, (exp) => invokedTimes++)).Should().Throw <TaskCanceledException>();
invokedTimes.Should().Be(4);
}
public void ShouldUseThrottler()
{
var throttler = new Mock <IRequestExecutionThrottler>();
var executer = new ExponentialRetryRequestExecuter(5, 0, throttler.Object);
var action = new Mock <Func <Task <string> > >();
action.Setup(a => a()).Throws <TaskCanceledException>();
executer.Awaiting(e => e.ExecuteAsync(action.Object)).Should().Throw <Exception>();
throttler.Verify(t => t.ReserveAsync(), Times.Exactly(5));
throttler.Verify(t => t.Release(), Times.Exactly(5));
}
