public void Entering_TheSameNode_MultipleTimesWithCascade_Works()
{
Graph graph = new Graph();
// A -> B <-> C
Node nodeA = graph.MakeNode();
Node nodeB = graph.MakeNode();
Node nodeC = graph.MakeNode();
Transition abTransition = new Transition(waitForManualExit: false);
NodeTransition abNodeTransition = new NodeTransition {
targets = new NodeId[] { nodeB.Id }, transition = abTransition
};
graph.AddOutgoingTransitionForNode(nodeA, abNodeTransition);
Transition bcTransition = new Transition(waitForManualExit: false);
bcTransition.AddTransitionCondition(new TriggerTransitionCondition("BGoToC"));
NodeTransition bcNodeTransition = new NodeTransition {
targets = new NodeId[] { nodeC.Id }, transition = bcTransition
};
graph.AddOutgoingTransitionForNode(nodeB, bcNodeTransition);
Transition cbTransition = new Transition(waitForManualExit: false);
cbTransition.AddTransitionCondition(new TriggerTransitionCondition("CGoToB"));
NodeTransition cbNodeTransition = new NodeTransition {
targets = new NodeId[] { nodeB.Id }, transition = cbTransition
};
graph.AddOutgoingTransitionForNode(nodeC, cbNodeTransition);
IGraphContext stubContext = Substitute.For <IGraphContext>();
stubContext.HasTriggerParameterKey(Arg.Is("BGoToC")).Returns(true);
stubContext.HasTriggerParameterKey(Arg.Is("CGoToB")).Returns(true);
// returns true then false
stubContext.HasTrigger(Arg.Is("BGoToC")).Returns(true, false);
// returns true then false
stubContext.HasTrigger(Arg.Is("CGoToB")).Returns(true, false);
IGraphContextFactory stubFactory = Substitute.For <IGraphContextFactory>();
stubFactory.MakeContext().Returns(stubContext);
GraphContextFactoryLocator.Provide(stubFactory);
int bEnteredCount = 0;
nodeB.OnEnter += () => { bEnteredCount++; };
int cEnteredCount = 0;
nodeC.OnEnter += () => { cEnteredCount++; };
graph.Start();
Assert.AreEqual(2, bEnteredCount);
Assert.AreEqual(1, cEnteredCount);
}
public void TriggerTransitionCondition_NotTaken_WhenMissingStartingContextParameter(string key)
{
Graph graph = new Graph();
Node nodeA = graph.MakeNode();
Node nodeB = graph.MakeNode();
Transition transition = new Transition(waitForManualExit: false);
transition.AddTransitionCondition(new TriggerTransitionCondition(key));
NodeTransition nodeTransition = new NodeTransition {
targets = new NodeId[] { nodeB.Id }, transition = transition
};
graph.AddOutgoingTransitionForNode(nodeA, nodeTransition);
IGraphContext stubContext = Substitute.For <IGraphContext>();
stubContext.HasTriggerParameterKey(Arg.Any <string>()).Returns(false);
IGraphContextFactory stubFactory = Substitute.For <IGraphContextFactory>();
stubFactory.MakeContext().Returns(stubContext);
GraphContextFactoryLocator.Provide(stubFactory);
bool entered = false;
nodeB.OnEnter += () => { entered = true; };
graph.Start();
Assert.IsFalse(entered);
}
public void TriggerTransitionCondition_TakenWhenMatching_NotTakenWhenNotMatching(string key, bool expectedEntered)
{
Graph graph = new Graph();
Node nodeA = graph.MakeNode();
Node nodeB = graph.MakeNode();
Transition transition = new Transition(waitForManualExit: false);
transition.AddTransitionCondition(new TriggerTransitionCondition(key));
NodeTransition nodeTransition = new NodeTransition {
targets = new NodeId[] { nodeB.Id }, transition = transition
};
graph.AddOutgoingTransitionForNode(nodeA, nodeTransition);
IGraphContext stubContext = Substitute.For <IGraphContext>();
stubContext.HasTriggerParameterKey(Arg.Is("Key")).Returns(true);
stubContext.HasTrigger(Arg.Is("Key")).Returns(true);
IGraphContextFactory stubFactory = Substitute.For <IGraphContextFactory>();
stubFactory.MakeContext().Returns(stubContext);
GraphContextFactoryLocator.Provide(stubFactory);
bool entered = false;
nodeB.OnEnter += () => { entered = true; };
graph.Start();
Assert.AreEqual(expectedEntered, entered);
}
public void TriggerTransitionCondition_MatchesOtherTests_AfterSerializingAndDeserializing(string key, bool expectedEntered)
{
Graph graph = new Graph();
Node nodeA = graph.MakeNode();
Node nodeB = graph.MakeNode();
Transition transition = new Transition(waitForManualExit: false);
TriggerTransitionCondition condition = new TriggerTransitionCondition(key);
// NEW CODE
string serialized = TransitionConditionSerializer.Serialize(condition);
ITransitionCondition deserialized = TransitionConditionSerializer.Deserialize(serialized);
transition.AddTransitionCondition(deserialized);
// END NEW CODE
NodeTransition nodeTransition = new NodeTransition {
targets = new NodeId[] { nodeB.Id }, transition = transition
};
graph.AddOutgoingTransitionForNode(nodeA, nodeTransition);
IGraphContext stubContext = Substitute.For <IGraphContext>();
stubContext.HasTriggerParameterKey(Arg.Is("Key")).Returns(true);
stubContext.HasTrigger(Arg.Is("Key")).Returns(true);
IGraphContextFactory stubFactory = Substitute.For <IGraphContextFactory>();
stubFactory.MakeContext().Returns(stubContext);
GraphContextFactoryLocator.Provide(stubFactory);
bool entered = false;
nodeB.OnEnter += () => { entered = true; };
graph.Start();
Assert.AreEqual(expectedEntered, entered);
}