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using LobbyRelaySample;
using System.Collections;
using UnityEngine;
using UnityEngine.TestTools;
using Assert = UnityEngine.Assertions.Assert;
namespace Test
{
public class ObserverTests
{
/// <summary>
/// When an observed value changes, the Observer should automatically update.
/// </summary>
[UnityTest]
public IEnumerator ObserverChangeWhenObservedChanged()
{
var observed = new TestObserved();
var observer = new GameObject("PlayerObserver").AddComponent<TestObserverBehaviour>();
observer.BeginObserving(observed);
Assert.AreNotEqual("NewName", observed.StringField);
Assert.AreNotEqual("NewName", observer.displayStringField);
observed.StringField = "NewName";
yield return null;
Assert.AreEqual(observed.StringField, observer.displayStringField);
}
/// <summary>
/// When an Observer is registered, it should receive the observed field's initial value.
/// </summary>
/// <returns></returns>
[UnityTest]
public IEnumerator ObserverRegistersInitialChanges()
{
var observed = new TestObserved();
observed.StringField = "NewName";
var observer = new GameObject("PlayerObserver").AddComponent<TestObserverBehaviour>();
Assert.AreNotEqual(observed.StringField, observer.displayStringField);
observer.BeginObserving(observed);
yield return null;
Assert.AreEqual(observed.StringField, observer.displayStringField);
}
// We just have a couple Observers that update some arbitrary member, in this case a string.
class TestObserved : Observed<TestObserved>
{
string m_stringField;
public string StringField
{
get => m_stringField;
set
{
m_stringField = value;
OnChanged(this);
}
}
public override void CopyObserved(TestObserved oldObserved)
{
m_stringField = oldObserved.StringField;
OnChanged(this);
}
}
class TestObserverBehaviour : ObserverBehaviour<TestObserved>
{
public string displayStringField;
protected override void UpdateObserver(TestObserved observed)
{
base.UpdateObserver(observed);
displayStringField = observed.StringField;
}
}
}
}