public void ShouldPassParametersCorrectly() { IDelegateReference actionDelegateReference = new MockDelegateReference() { Target = (Action<object>)(arg1 => { return; }) }; IDelegateReference filterDelegateReference = new MockDelegateReference { Target = (Predicate<object>)(arg => true) }; var mockSyncContext = new MockSynchronizationContext(); DispatcherEventSubscription<object> eventSubscription = new DispatcherEventSubscription<object>(actionDelegateReference, filterDelegateReference, mockSyncContext, null, EventCommunicatorsRelationship.All); var executionStrategy = eventSubscription.GetExecutionStrategy(); Assert.NotNull(executionStrategy); object argument1 = new object(); executionStrategy.Invoke(new[] { argument1 }); Assert.Same(argument1, mockSyncContext.InvokeArg); }
public void ShouldReceiveDelegateOnDifferentThread() { ManualResetEvent completeEvent = new ManualResetEvent(false); SynchronizationContext.SetSynchronizationContext(new SynchronizationContext()); SynchronizationContext calledSyncContext = null; Action<object> action = delegate { calledSyncContext = SynchronizationContext.Current; completeEvent.Set(); }; IDelegateReference actionDelegateReference = new MockDelegateReference() { Target = action }; IDelegateReference filterDelegateReference = new MockDelegateReference() { Target = (Predicate<object>)delegate { return true; } }; var eventSubscription = new BackgroundEventSubscription<object>(actionDelegateReference, filterDelegateReference, null, EventCommunicatorsRelationship.All); var publishAction = eventSubscription.GetExecutionStrategy(); Assert.NotNull(publishAction); publishAction.Invoke(null); completeEvent.WaitOne(5000); Assert.NotEqual(SynchronizationContext.Current, calledSyncContext); }
public void CanInitEventSubscription() { var actionDelegateReference = new MockDelegateReference((Action<object>)delegate { }); var filterDelegateReference = new MockDelegateReference((Predicate<object>)delegate { return true; }); var eventSubscription = new EventSubscription<object>(actionDelegateReference, filterDelegateReference, null, EventCommunicatorsRelationship.All); var subscriptionToken = new SubscriptionToken(t => { }); eventSubscription.SubscriptionToken = subscriptionToken; Assert.Same(actionDelegateReference.Target, eventSubscription.Action); Assert.Same(filterDelegateReference.Target, eventSubscription.Filter); Assert.Same(subscriptionToken, eventSubscription.SubscriptionToken); }
public void GetPublishActionDoesNotExecuteActionIfFilterReturnsFalse() { bool actionExecuted = false; var actionDelegateReference = new MockDelegateReference() { Target = (Action<int>)delegate { actionExecuted = true; } }; var filterDelegateReference = new MockDelegateReference((Predicate<int>)delegate { return false; }); var eventSubscription = new EventSubscription<int>(actionDelegateReference, filterDelegateReference, null, EventCommunicatorsRelationship.All); var publishAction = eventSubscription.GetExecutionStrategy(); publishAction.Invoke(new object[] { null }); Assert.False(actionExecuted); }
public void DifferentTargetTypeInActionThrows() { var actionDelegateReference = new MockDelegateReference() { Target = (Action<int>)delegate { } }; var filterDelegateReference = new MockDelegateReference() { Target = (Predicate<string>)(arg => { return true; }) }; Assert.Throws<ArgumentException>( () => { var eventSubscription = new EventSubscription<string>(actionDelegateReference, filterDelegateReference, null, EventCommunicatorsRelationship.All); }); }
public void ShouldCallInvokeOnDispatcher() { DispatcherEventSubscription<object> eventSubscription = null; IDelegateReference actionDelegateReference = new MockDelegateReference() { Target = (Action<object>)(arg => { return; }) }; IDelegateReference filterDelegateReference = new MockDelegateReference { Target = (Predicate<object>)(arg => true) }; var mockSyncContext = new MockSynchronizationContext(); eventSubscription = new DispatcherEventSubscription<object>(actionDelegateReference, filterDelegateReference, mockSyncContext, null, EventCommunicatorsRelationship.All); eventSubscription.GetExecutionStrategy().Invoke(new object[0]); Assert.True(mockSyncContext.InvokeCalled); }
public void StrategyPassesArgumentToDelegates() { string passedArgumentToAction = null; string passedArgumentToFilter = null; var actionDelegateReference = new MockDelegateReference((Action<string>)(obj => passedArgumentToAction = obj)); var filterDelegateReference = new MockDelegateReference((Predicate<string>)(obj => { passedArgumentToFilter = obj; return true; })); var eventSubscription = new EventSubscription<string>(actionDelegateReference, filterDelegateReference, null, EventCommunicatorsRelationship.All); var publishAction = eventSubscription.GetExecutionStrategy(); publishAction.Invoke(new[] { "TestString" }); Assert.Equal("TestString", passedArgumentToAction); Assert.Equal("TestString", passedArgumentToFilter); }
public void NullTargetInFilterThrows() { var actionDelegateReference = new MockDelegateReference() { Target = (Action<object>)delegate { } }; var filterDelegateReference = new MockDelegateReference() { Target = null }; Assert.Throws<ArgumentException>( () => { var eventSubscription = new EventSubscription<object>(actionDelegateReference, filterDelegateReference, null, EventCommunicatorsRelationship.All); }); }
public void NullActionThrows() { var filterDelegateReference = new MockDelegateReference() { Target = (Predicate<object>)(arg => { return true; }) }; Assert.Throws<ArgumentNullException>( () => { var eventSubscription = new EventSubscription<object>(null, filterDelegateReference, null, EventCommunicatorsRelationship.All); }); }
public void GetPublishActionReturnsNullIfFilterIsNull() { var actionDelegateReference = new MockDelegateReference((Action<object>)delegate { }); var filterDelegateReference = new MockDelegateReference((Predicate<object>)delegate { return true; }); var eventSubscription = new EventSubscription<object>(actionDelegateReference, filterDelegateReference, null, EventCommunicatorsRelationship.All); var publishAction = eventSubscription.GetExecutionStrategy(); Assert.NotNull(publishAction); filterDelegateReference.Target = null; publishAction = eventSubscription.GetExecutionStrategy(); Assert.Null(publishAction); }
public void GetPublishActionReturnsDelegateThatExecutesTheFilterAndThenTheAction() { var executedDelegates = new List<string>(); var actionDelegateReference = new MockDelegateReference((Action<object>)delegate { executedDelegates.Add("Action"); }); var filterDelegateReference = new MockDelegateReference((Predicate<object>)delegate { executedDelegates.Add( "Filter"); return true; }); var eventSubscription = new EventSubscription<object>(actionDelegateReference, filterDelegateReference, null, EventCommunicatorsRelationship.All); var publishAction = eventSubscription.GetExecutionStrategy(); Assert.NotNull(publishAction); publishAction.Invoke(null); Assert.Equal(2, executedDelegates.Count); Assert.Equal("Filter", executedDelegates[0]); Assert.Equal("Action", executedDelegates[1]); }