test that heroes are tracked by the party

Assets/Prefabs/Hero.prefab

@@ -31,7 +31,7 @@ Transform:
   m_Children:
   - {fileID: 4157508313357080045}
   m_Father: {fileID: 0}
-  m_RootOrder: 2
+  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &7347972816793018538
 MonoBehaviour:
@@ -45,11 +45,12 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 583304b24f3e6394f9e4d49747e22193, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  Name: 
+  name: 
-  Class: {fileID: 0}
+  class_: {fileID: 0}
-  Level: 0
+  level: 0
-  XP: 0
+  xp: 0
-  Attrs: {fileID: 0}
+  attrs: {fileID: 0}
+  party: {fileID: 11400000, guid: c9a46588e6ec04d4d91bb80fdffd7869, type: 2}
 --- !u!1 &4632618406133265053
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scriptables/HeroParty.asset

@@ -0,0 +1,15 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: f0603cf6e7f1d884e89c3eb6a478a96c, type: 3}
+  m_Name: HeroParty
+  m_EditorClassIdentifier: 
+  unitList: []

Assets/Scriptables/HeroParty.asset.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: c9a46588e6ec04d4d91bb80fdffd7869
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/HeroPartySO.cs

@@ -0,0 +1,16 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using UnityEngine;
+
+[CreateAssetMenu(fileName = "HeroParty", menuName = "Hero Party")]
+public class HeroPartySO : ScriptableObject
+{
+    [SerializeField]
+    private List<HeroUnit> unitList = new List<HeroUnit>();
+    public ReadOnlyCollection<HeroUnit> UnitList => unitList.AsReadOnly();
+
+    public void Add(HeroUnit unit) { unitList.Add(unit); }
+    public void Remove(HeroUnit unit) { unitList.Remove(unit); }
+    public int Count => unitList.Count;
+}

Assets/Scripts/HeroPartySO.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f0603cf6e7f1d884e89c3eb6a478a96c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/HeroUnit.cs

@@ -2,6 +2,9 @@
 using System.Collections.Generic;
 using UnityEngine;
 
+using System.Runtime.CompilerServices;
+[assembly: InternalsVisibleTo("TestsPlaymode")]
+
 /// <summary>
 /// Component that makes a duder a duder.
 /// Manages class, skills, level, attrs, and AI.
@@ -13,4 +16,21 @@ public class HeroUnit : MonoBehaviour
     [SerializeField] private long level;
     [SerializeField] private long xp;
     [SerializeField] private HeroAttributesSO attrs;
+    [SerializeField] private HeroPartySO party;
+
+    private void OnEnable()
+    {
+        // NOTE(zeph): Party is mandatory. If none is set, we want an exception.
+        party.Add(this);
+    }
+
+    private void OnDisable()
+    {
+        party.Remove(this);
+    }
+
+    internal HeroPartySO getParty()
+    {
+        return party;
+    }
 }

Assets/TestsPlaymode.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 761a28b9566afe848955bfe8200ff125
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/TestsPlaymode/HeroPartyTest.cs

@@ -0,0 +1,24 @@
+using System.Collections;
+using System.Collections.Generic;
+using NUnit.Framework;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.TestTools;
+
+public class HeroPartyTest
+{
+    [UnityTest]
+    public IEnumerator HeroPartyGetsAllTheHeroes()
+    {
+        var prefab = AssetDatabase.LoadAssetAtPath<GameObject>("Assets/Prefabs/Hero.prefab");
+        Assert.IsNotNull(prefab);
+        var instance = Object.Instantiate(prefab);
+        var hero = instance.GetComponent<HeroUnit>();
+        var party = hero.getParty();
+        yield return null;
+        Assert.AreEqual(1, party.Count);
+        Object.Destroy(instance);
+        yield return null;
+        Assert.IsEmpty(party.UnitList);
+    }
+}

Assets/TestsPlaymode/HeroPartyTest.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 12e575ff764956245a428c77cced4e48
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/TestsPlaymode/TestsPlaymode.asmdef

@@ -0,0 +1,22 @@
+{
+    "name": "TestsPlaymode",
+    "rootNamespace": "",
+    "references": [
+        "UnityEngine.TestRunner",
+        "UnityEditor.TestRunner",
+        "IdleSurvivors"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": true,
+    "precompiledReferences": [
+        "nunit.framework.dll"
+    ],
+    "autoReferenced": false,
+    "defineConstraints": [
+        "UNITY_INCLUDE_TESTS"
+    ],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/TestsPlaymode/TestsPlaymode.asmdef.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: da0ac170c269d9342b202cf3000da737
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

ProjectSettings/SceneTemplateSettings.json

@@ -0,0 +1,121 @@
+{
+    "templatePinStates": [],
+    "dependencyTypeInfos": [
+        {
+            "userAdded": false,
+            "type": "UnityEngine.AnimationClip",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEditor.Animations.AnimatorController",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.AnimatorOverrideController",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEditor.Audio.AudioMixerController",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.ComputeShader",
+            "defaultInstantiationMode": 1
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Cubemap",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.GameObject",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEditor.LightingDataAsset",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.LightingSettings",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Material",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEditor.MonoScript",
+            "defaultInstantiationMode": 1
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.PhysicMaterial",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.PhysicsMaterial2D",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Rendering.PostProcessing.PostProcessProfile",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Rendering.PostProcessing.PostProcessResources",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Rendering.VolumeProfile",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEditor.SceneAsset",
+            "defaultInstantiationMode": 1
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Shader",
+            "defaultInstantiationMode": 1
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.ShaderVariantCollection",
+            "defaultInstantiationMode": 1
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Texture",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Texture2D",
+            "defaultInstantiationMode": 0
+        },
+        {
+            "userAdded": false,
+            "type": "UnityEngine.Timeline.TimelineAsset",
+            "defaultInstantiationMode": 0
+        }
+    ],
+    "defaultDependencyTypeInfo": {
+        "userAdded": false,
+        "type": "<default_scene_template_dependencies>",
+        "defaultInstantiationMode": 1
+    },
+    "newSceneOverride": 0
+}