public void Include_ChangeToken()
{
var sut = new CompositeChangeTokenFactoryBuilder();
TriggerChangeToken token = null;
var factory = sut.Include(() =>
{
token = new TriggerChangeToken();
return(token);
}).Build(out var lifetime);
var consumed = factory();
Assert.Same(token, consumed);
// When we trigger the token and request a new one,
//we get a new one thats different from the previous one.
IChangeToken newToken = null;
IChangeToken original = token;
token.RegisterChangeCallback(a => newToken = factory(), null);
token.Trigger();
// await Task.Delay(200);
Assert.NotNull(newToken);
Assert.NotSame(newToken, original);
}
public void Include_ManyChangeTokens_SignallingAny_SignalsConsumedToken()
{
var sut = new CompositeChangeTokenFactoryBuilder();
var tokensProduced = new List <TriggerChangeToken>();
var factory = sut.Include(() =>
{
var token = new TriggerChangeToken();
tokensProduced.Add(token);
return(token);
}).Include(() =>
{
var token = new TriggerChangeToken();
tokensProduced.Add(token);
return(token);
}).Build(out var lifetime);
var consumedCompositeToken = factory();
Assert.False(consumedCompositeToken.HasChanged);
Assert.Equal(2, tokensProduced.Count);
// When we trigger either token, it signales the composite token
var tokenOne = tokensProduced[0];
tokenOne.Trigger();
Assert.True(consumedCompositeToken.HasChanged);
tokensProduced.Clear();
consumedCompositeToken = factory();
Assert.False(consumedCompositeToken.HasChanged);
Assert.Equal(2, tokensProduced.Count);
var tokenTwo = tokensProduced[1];
tokenTwo.Trigger();
Assert.True(consumedCompositeToken.HasChanged);
}