/// <summary>Executes the command.</summary>
/// <param name="actionInput">The full input specified for executing the command.</param>
public override void Execute(ActionInput actionInput)
{
IController sender = actionInput.Controller;
var self = sender.Thing;
if (actionInput.Params.Length == 0)
{
this.ShowStatus(actionInput);
return;
}
// Check for existing FollowedBehavior on the target and create one if necessary.
// Then add the sender to the list of followers.
var targetBehaviors = this.target.Behaviors;
var followedBehavior = targetBehaviors.FindFirst<FollowedBehavior>();
if (followedBehavior == null)
{
followedBehavior = new FollowedBehavior();
targetBehaviors.Add(followedBehavior);
}
followedBehavior.Followers.Add(self);
// Check for existing FollowingBehavior on the sender and create one if necessary.
// Then mark the target as the Thing being followed.
var senderBehaviors = self.Behaviors;
var followingBehavior = senderBehaviors.FindFirst<FollowingBehavior>();
if (followingBehavior == null)
{
followingBehavior = new FollowingBehavior();
senderBehaviors.Add(followingBehavior);
}
else if (followingBehavior.Target != null)
{
var oldTarget = followingBehavior.Target;
var oldTargetFollowedBehavior = oldTarget.Behaviors.FindFirst<FollowedBehavior>();
if (oldTargetFollowedBehavior != null)
{
oldTargetFollowedBehavior.Followers.Remove(self);
if (oldTargetFollowedBehavior.Followers.Count == 0)
{
oldTarget.Behaviors.Remove(oldTargetFollowedBehavior);
}
}
}
followingBehavior.Target = this.target;
}
public void TestFollowingBehaviorStartsOutNull()
{
this.ClearTrackedEvents();
var followingBehavior = new FollowingBehavior();
this.stalker1.Behaviors.Add(followingBehavior);
Verify.IsNull(followingBehavior.Target);
}
public void TestUnattachedFollowingBehavior()
{
var followingBehavior = new FollowingBehavior();
var initialState = followingBehavior.Target;
followingBehavior.Target = this.victim1;
Verify.Equals(this.victim1, followingBehavior.Target);
followingBehavior.Target = null;
Verify.Equals(initialState, followingBehavior.Target);
}
public void TestSettingTarget()
{
this.ClearTrackedEvents();
var followingBehavior = new FollowingBehavior();
this.stalker1.Behaviors.Add(followingBehavior);
followingBehavior.Target = this.victim1;
Verify.IsNotNull(followingBehavior.Target);
Verify.AreEqual(followingBehavior.Target, this.victim1);
}
public void TestRemovingTarget()
{
this.ClearTrackedEvents();
Verify.IsNull(this.lastStalkerRequest);
Verify.IsNull(this.lastStalkerEvent);
Verify.IsNull(this.lastVictimRequest);
Verify.IsNull(this.lastVictimEvent);
var followingBehavior = new FollowingBehavior();
this.stalker1.Behaviors.Add(followingBehavior);
followingBehavior.Target = this.victim1;
followingBehavior.Target = null;
Verify.IsNull(followingBehavior.Target);
Verify.IsNotNull(this.lastStalkerRequest);
Verify.IsNotNull(this.lastStalkerEvent);
Verify.IsNotNull(this.lastVictimRequest);
Verify.IsNotNull(this.lastVictimEvent);
}
public void TestFollowingMessages()
{
this.ClearTrackedEvents();
var followingBehavior = new FollowingBehavior();
this.stalker1.Behaviors.Add(followingBehavior);
followingBehavior.Target = this.victim1;
string witnessMessage = this.lastWitnessEvent.SensoryMessage.Message.Parse(this.witness);
Verify.IsTrue(string.IsNullOrEmpty(witnessMessage));
string stalkerMessage = this.lastStalkerEvent.SensoryMessage.Message.Parse(this.stalker1);
Verify.IsTrue(stalkerMessage.Contains("You start following "));
string victimMessage = this.lastVictimEvent.SensoryMessage.Message.Parse(this.victim1);
Verify.IsTrue(victimMessage.Contains(" starts following you."));
followingBehavior.Target = null;
witnessMessage = this.lastWitnessEvent.SensoryMessage.Message.Parse(this.witness);
Verify.IsTrue(string.IsNullOrEmpty(witnessMessage));
stalkerMessage = this.lastStalkerEvent.SensoryMessage.Message.Parse(this.stalker1);
Verify.IsTrue(stalkerMessage.Contains("You stop following "));
victimMessage = this.lastVictimEvent.SensoryMessage.Message.Parse(this.victim1);
Verify.IsTrue(victimMessage.Contains(" stops following you."));
}
