public static void CachedValueIsReturnedFromInner()
{
var mockInner = new Mock <IPEndPointSource>();
mockInner.Setup(x => x.GetEndpoint()).Returns(MakeTestIpEndPoint());
var cachedEndpoint = new CachedIpEndpointSource(mockInner.Object, TimeSpan.FromMinutes(5));
var value = cachedEndpoint.GetEndpoint();
value.ShouldNotBeNull();
value.ShouldBe(MakeTestIpEndPoint());
mockInner.Verify(x => x.GetEndpoint(), Times.Exactly(1));
}
public static async Task CachedValueIsReturnedAgainAfterExpiry()
{
var mockInner = new Mock <IPEndPointSource>();
mockInner.Setup(x => x.GetEndpoint()).Returns(MakeTestIpEndPoint());
var cachedEndpoint = new CachedIpEndpointSource(mockInner.Object, TimeSpan.FromSeconds(1));
var value1 = cachedEndpoint.GetEndpoint();
var value2 = cachedEndpoint.GetEndpoint();
await Task.Delay(1500);
var value3 = cachedEndpoint.GetEndpoint();
var value4 = cachedEndpoint.GetEndpoint();
mockInner.Verify(x => x.GetEndpoint(), Times.Exactly(2));
}