public void StrategyDoesntOverwriteAnExistingPolicy()
{
MockBuilderContext context = CreateContext();
NamedTypeBuildKey buildKey = NamedTypeBuildKey.Make <object>();
EventBrokerInfoPolicy policy = new EventBrokerInfoPolicy();
context.Policies.Set <IEventBrokerInfoPolicy>(policy, buildKey);
context.ExecuteBuildUp(buildKey, null);
IEventBrokerInfoPolicy setPolicy =
context.Policies.Get <IEventBrokerInfoPolicy>(buildKey);
Assert.AreSame(policy, setPolicy);
}
public void ReflectingOverObjectWithoutSubscriptionResultsInEmptyPolicy()
{
MockBuilderContext context = CreateContext();
NamedTypeBuildKey buildKey = NamedTypeBuildKey.Make <object>();
context.ExecuteBuildUp(buildKey, null);
IEventBrokerInfoPolicy policy = context.Policies.Get <IEventBrokerInfoPolicy>(buildKey);
Assert.IsNotNull(policy);
List <PublicationInfo> publications = new List <PublicationInfo>(policy.Publications);
List <SubscriptionInfo> subscriptions = new List <SubscriptionInfo>(policy.Subscriptions);
Assert.AreEqual(0, publications.Count);
Assert.AreEqual(0, subscriptions.Count);
}
public void ReflectingOverSubscribingTypeResultsInCorrectPolicy()
{
MockBuilderContext context = CreateContext();
NamedTypeBuildKey buildKey = NamedTypeBuildKey.Make <OneEventSubscriber>();
context.ExecuteBuildUp(buildKey, null);
IEventBrokerInfoPolicy policy = context.Policies.Get <IEventBrokerInfoPolicy>(buildKey);
Assert.IsNotNull(policy);
List <PublicationInfo> publications = new List <PublicationInfo>(policy.Publications);
List <SubscriptionInfo> subscriptions = new List <SubscriptionInfo>(policy.Subscriptions);
Assert.AreEqual(0, publications.Count);
CollectionAssert.AreEqual(new SubscriptionInfo[] { new SubscriptionInfo("copy", typeof(OneEventSubscriber).GetMethod("OnCopy")) }, subscriptions);
}
public void ReflectingOverPublishingTypeResultsInCorrectPolicy()
{
MockBuilderContext context = CreateContext();
NamedTypeBuildKey buildKey = NamedTypeBuildKey.Make <OneEventPublisher>();
context.ExecuteBuildUp(buildKey, null);
IEventBrokerInfoPolicy policy = context.Policies.Get <IEventBrokerInfoPolicy>(buildKey);
Assert.IsNotNull(policy);
List <PublicationInfo> publications = new List <PublicationInfo>(policy.Publications);
List <SubscriptionInfo> subscriptions = new List <SubscriptionInfo>(policy.Subscriptions);
Assert.AreEqual(0, subscriptions.Count);
CollectionAssert.AreEqual(new PublicationInfo[] { new PublicationInfo("paste", "Pasting") }, publications);
}
public void OneTypeCanPublishAndSubscribeMultipleTimes()
{
MockBuilderContext context = CreateContext();
NamedTypeBuildKey buildKey = NamedTypeBuildKey.Make <ClipboardManager>();
context.ExecuteBuildUp(buildKey, null);
IEventBrokerInfoPolicy policy = context.Policies.Get <IEventBrokerInfoPolicy>(buildKey);
Assert.IsNotNull(policy);
List <PublicationInfo> publications = new List <PublicationInfo>(policy.Publications);
List <SubscriptionInfo> subscriptions = new List <SubscriptionInfo>(policy.Subscriptions);
publications.Sort(
delegate(PublicationInfo a, PublicationInfo b)
{
return(a.PublishedEventName.CompareTo(b.PublishedEventName));
});
subscriptions.Sort(
delegate(SubscriptionInfo a, SubscriptionInfo b)
{
return(a.PublishedEventName.CompareTo(b.PublishedEventName));
});
CollectionAssert.AreEqual(
new PublicationInfo[]
{
new PublicationInfo("copy", "Copy"),
new PublicationInfo("cut", "Cut"),
new PublicationInfo("paste", "Paste"),
},
publications);
CollectionAssert.AreEqual(
new SubscriptionInfo[]
{
new SubscriptionInfo("clipboard data available", typeof(ClipboardManager).GetMethod("OnClipboardDataAvailable")),
new SubscriptionInfo("copy", typeof(ClipboardManager).GetMethod("OnCopy")),
},
subscriptions);
}
public override void PreBuildUp(IBuilderContext context)
{
if (context.Existing != null)
{
IEventBrokerInfoPolicy policy =
context.Policies.Get <IEventBrokerInfoPolicy>(context.BuildKey);
if (policy != null)
{
EventBroker broker = GetBroker(context);
foreach (PublicationInfo pub in policy.Publications)
{
broker.RegisterPublisher(pub.PublishedEventName, context.Existing, pub.EventName);
}
foreach (SubscriptionInfo sub in policy.Subscriptions)
{
broker.RegisterSubscriber(sub.PublishedEventName,
(EventHandler)Delegate.CreateDelegate(
typeof(EventHandler),
context.Existing,
sub.Subscriber));
}
}
}
}
