basic tests for a wider variety of files

Movement tests.sln.DotSettings.user

@@ -5,12 +5,8 @@
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ANode_002Ecs_002Fl_003AC_0021_003FUsers_003FMinimata_003FAppData_003FRoaming_003FJetBrains_003FRider2025_002E1_003Fresharper_002Dhost_003FSourcesCache_003F716d154fef5cbe863cd637bd32beda6e3cec5f12e8fed2dc5b2d8149a0d558ab_003FNode_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ANode_002Ecs_002Fl_003AC_0021_003FUsers_003FMinimata_003FAppData_003FRoaming_003FJetBrains_003FRider2025_002E1_003Fresharper_002Dhost_003FSourcesCache_003Fdf73a4db74df89d59655c5fb6326406f47fbfa9af1fa81518fe0a07c49d34133_003FNode_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ASceneTree_002Ecs_002Fl_003AC_0021_003FUsers_003FMinimata_003FAppData_003FRoaming_003FJetBrains_003FRider2025_002E1_003Fresharper_002Dhost_003FSourcesCache_003F8d6960554e939a669841b1ece03d27df4ab42f92bb80be3767eaec8cdaccf84b_003FSceneTree_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
-	<s:String x:Key="/Default/Environment/UnitTesting/UnitTestSessionStore/Sessions/=7ce84f90_002D6ae2_002D4e9e_002D860e_002Deb90f45871f3/@EntryIndexedValue">&lt;SessionState ContinuousTestingMode="0" IsActive="True" Name="Junie Session" xmlns="urn:schemas-jetbrains-com:jetbrains-ut-session"&gt;&#xD;
+	
-  &lt;TestAncestor&gt;&#xD;
+	<s:String x:Key="/Default/Environment/UnitTesting/UnitTestSessionStore/Sessions/=dd9a7ac6_002Dbb9b_002D4001_002Db145_002D15e6509b7e78/@EntryIndexedValue">&lt;SessionState ContinuousTestingMode="0" IsActive="True" Name="All tests from Solution" xmlns="urn:schemas-jetbrains-com:jetbrains-ut-session"&gt;&#xD;
-    &lt;TestId&gt;VsTest::22FEBE6E-769C-4716-A687-A0AC8F3EF84A::net9.0::executor://gdunit4.testadapter/#Movementtests.tests.PlayerControllerUnitTest&lt;/TestId&gt;&#xD;
-  &lt;/TestAncestor&gt;&#xD;
-&lt;/SessionState&gt;</s:String>
-	<s:String x:Key="/Default/Environment/UnitTesting/UnitTestSessionStore/Sessions/=dd9a7ac6_002Dbb9b_002D4001_002Db145_002D15e6509b7e78/@EntryIndexedValue">&lt;SessionState ContinuousTestingMode="0" Name="All tests from Solution" xmlns="urn:schemas-jetbrains-com:jetbrains-ut-session"&gt;&#xD;
   &lt;Solution /&gt;&#xD;
 &lt;/SessionState&gt;</s:String>
 	<s:String x:Key="/Default/Housekeeping/UnitTestingMru/UnitTestRunner/RunConfigurationFilename/@EntryValue">D:\Godot\Projects\movement-tests\.runsettings</s:String>

maps/levels/tuto_enemies.tscn

@@ -32,7 +32,6 @@ HealthInputs = ExtResource("7_ucbss")
 DamageInputs = ExtResource("8_2brdd")
 Target = NodePath("../Player")
 SpawnInterval = 5.0
-IsActiveOnStart = false
 
 [node name="GroundedSpawner2" parent="." index="9" unique_id=1026317919 node_paths=PackedStringArray("Target") instance=ExtResource("4_jaqjx")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 46.5, 11.5, -34.5)
@@ -42,7 +41,6 @@ HealthInputs = ExtResource("7_ucbss")
 DamageInputs = ExtResource("8_2brdd")
 Target = NodePath("../Player")
 SpawnInterval = 5.0
-IsActiveOnStart = false
 
 [node name="GroundedSpawner3" parent="." index="10" unique_id=241829575 node_paths=PackedStringArray("Target") instance=ExtResource("4_jaqjx")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 44.5, 0, -3)
@@ -52,7 +50,6 @@ HealthInputs = ExtResource("7_ucbss")
 DamageInputs = ExtResource("8_2brdd")
 Target = NodePath("../Player")
 SpawnInterval = 5.0
-IsActiveOnStart = false
 
 [node name="FlyingSpawner" parent="." index="11" unique_id=962840208 node_paths=PackedStringArray("Target") instance=ExtResource("4_jaqjx")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 16.5, 19, -19.5)
@@ -62,7 +59,6 @@ HealthInputs = ExtResource("11_5jlg7")
 DamageInputs = ExtResource("12_pjgox")
 Target = NodePath("../Player")
 SpawnInterval = 5.0
-IsActiveOnStart = false
 
 [node name="FlyingSpawner2" parent="." index="12" unique_id=365997644 node_paths=PackedStringArray("Target") instance=ExtResource("4_jaqjx")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 45.5, 25.5, -42.5)
@@ -72,7 +68,6 @@ HealthInputs = ExtResource("11_5jlg7")
 DamageInputs = ExtResource("12_pjgox")
 Target = NodePath("../Player")
 SpawnInterval = 5.0
-IsActiveOnStart = false
 
 [node name="Targets" type="Node3D" parent="." index="13" unique_id=1620747784]
 

scenes/components/damage/RDamageModifier.cs

@@ -7,7 +7,7 @@ using Movementtests.systems.damage;
 [GlobalClass]
 public partial class RDamageModifier : Resource, IDamageable
 {
-    public event Action<IDamageable, DamageRecord> DamageTaken;
+    public event Action<IDamageable, DamageRecord> DamageTaken = null!;
     
     [Export]
     public EDamageTypes DamageType { get; set;}

scenes/components/health/CHealth.cs

@@ -5,11 +5,11 @@ using Movementtests.interfaces;
 [GlobalClass, Icon("res://assets/ui/IconGodotNode/white/icon_heart.png")]
 public partial class CHealth : Node, IHealthable
 {
-    public event Action<IHealthable, HealthChangedRecord> HealthChanged;
+    public event Action<IHealthable, HealthChangedRecord> HealthChanged = null!;
-    public event Action<IHealthable> HealthDepleted;
+    public event Action<IHealthable> HealthDepleted = null!;
     
     [Export]
-    public RHealth RHealth { get; set; }
+    public RHealth RHealth { get; set; } = null!;
     
     public float CurrentHealth { get; set; }
 

scenes/components/knockback/CKnockback.cs

@@ -5,9 +5,9 @@ using Movementtests.interfaces;
 [GlobalClass, Icon("res://assets/ui/IconGodotNode/node_3D/icon_wind.png")]
 public partial class CKnockback : Node3D, IKnockbackable
 {
-    [Export] public RKnockback RKnockback { get; set;}
+    [Export] public RKnockback RKnockback { get; set;} = null!;
 
-    private KnockbackRecord _knockbackRecord = null;
+    private KnockbackRecord _knockbackRecord = null!;
     
     public void RegisterKnockback(KnockbackRecord knockbackRecord)
     {
@@ -20,7 +20,7 @@ public partial class CKnockback : Node3D, IKnockbackable
         
         var knockbackDirection = GlobalPosition - _knockbackRecord.DamageRecord.SourceLocation;
         var finalKnockback = knockbackDirection.Normalized() * RKnockback.Modifier * _knockbackRecord.ForceMultiplier;
-        _knockbackRecord = null;
+        _knockbackRecord = null!;
         return finalKnockback;
     }
 }

scenes/components/movement/CGroundedMovement.cs

@@ -6,10 +6,9 @@ namespace Movementtests.scenes.movement;
 [GlobalClass, Icon("res://assets/ui/IconGodotNode/node_3D/icon_path_follow.png")]
 public partial class CGroundedMovement : Node3D, IMoveable
 {
-    [Export] public RMovement RMovement { get; set; }
+    [Export] public RMovement RMovement { get; set; } = null!;
 
-    [Export]
+    [Export] public RayCast3D WallInFrontRayCast { get; set; } = null!;
-    public RayCast3D WallInFrontRayCast { get; set; }
     
     
     public Vector3 ComputeVelocity(MovementInputs inputs)

scenes/enemies/Enemy.cs

@@ -16,36 +16,37 @@ public partial class Enemy : CharacterBody3D,
 	IStunnable
 {
 	// Signals and events
-	public event Action<IDamageable, DamageRecord> DamageTaken;
+	public event Action<IDamageable, DamageRecord> DamageTaken = null!;
-	public event Action<IHealthable, HealthChangedRecord> HealthChanged;
+	public event Action<IHealthable, HealthChangedRecord> HealthChanged = null!;
-	public event Action<IHealthable> HealthDepleted;
+	public event Action<IHealthable> HealthDepleted = null!;
 
 	// Public export components
 	[Export]
-	public Node3D Target { get; set; }
+	public Node3D Target { get; set; } = null!;
+
 	[Export]
 	public float EnemyHeight { get; set; } = 1f;
 	
 	[ExportGroup("Health")]
 	[Export]
-	public RHealth RHealth { get; set; }
+	public RHealth RHealth { get; set; } = null!;
 	[Export]
-	public RDeathEffect[] DeathEffects { get; set; }
+	public RDeathEffect[] DeathEffects { get; set; } = null!;
-	public IHealthable CHealth { get; set; }
+	public IHealthable CHealth { get; set; } = null!;
 	
 	[ExportGroup("Damage")]
 	[Export]
-	public RDamage RDamage { get; set; }
+	public RDamage RDamage { get; set; } = null!;
-	public IDamageable CDamageable { get; set; }
+	public IDamageable CDamageable { get; set; } = null!;
 	
 	[Export]
-	public RKnockback RKnockback { get; set; }
+	public RKnockback RKnockback { get; set; } = null!;
-	public IKnockbackable CKnockback { get; set; }
+	public IKnockbackable CKnockback { get; set; } = null!;
 	
 	[ExportGroup("Movement")]
 	[Export]
-	public RMovement RMovement { get; set; }
+	public RMovement RMovement { get; set; } = null!;
-	public IMoveable CMovement { get; set; }
+	public IMoveable CMovement { get; set; } = null!;
 	
 	// Public stuff
 	public float CurrentHealth
@@ -55,9 +56,9 @@ public partial class Enemy : CharacterBody3D,
 	}
 	
 	// Private stuff
-	private Area3D _damageBox;
+	private Area3D _damageBox = null!;
-	private Node3D _target;
+	internal Node3D _target = null!;
-	private Healthbar _healthbar;
+	private Healthbar _healthbar = null!;
 	
 	public override void _Ready()
 	{
@@ -70,34 +71,28 @@ public partial class Enemy : CharacterBody3D,
 		_damageBox = GetNode<Area3D>("DamageBox");
 		_target = GetNode<Node3D>("CTarget");
 		
-		CDamageable = GetNode<Node>("CDamageable") as IDamageable;
+		CDamageable = (GetNode<Node>("CDamageable") as IDamageable)!;
-		CMovement = GetNode<Node>("CMovement") as IMoveable;
+		CMovement = (GetNode<Node>("CMovement") as IMoveable)!;
-		CHealth = GetNode<Node>("CHealth") as IHealthable;
+		CHealth = (GetNode<Node>("CHealth") as IHealthable)!;
-		CKnockback = GetNode<Node>("CKnockback") as IKnockbackable;
+		CKnockback = (GetNode<Node>("CKnockback") as IKnockbackable)!;
-		if (CDamageable is null) GD.PrintErr("This node needs a 'CDamage' child of type IDamageable!");
-		if (CMovement is null) GD.PrintErr("This node needs a 'CMovement' child of type IMoveable!");
-		if (CHealth is null) GD.PrintErr("This node needs a 'CHealth' child of type IHealthable!");
-		if (CKnockback is null) GD.PrintErr("This node needs a 'CKnockback' child of type IKnockbackable!");
 		
 		_healthbar = GetNode<CHealthbar>("CHealthBar").Healthbar; 
 		
-		if (RMovement != null) CMovement!.RMovement = RMovement;
+		CMovement.RMovement = RMovement;
-		if (RHealth != null)
+		CHealth.RHealth = RHealth;
-		{
-			CHealth!.RHealth = RHealth;
 		CHealth.CurrentHealth = RHealth.StartingHealth;
-		}
+		CKnockback.RKnockback = RKnockback;
-		if (RKnockback != null) CKnockback!.RKnockback = RKnockback;
+		
-		_healthbar.Initialize(CHealth!.CurrentHealth);
+		_healthbar.Initialize(CHealth.CurrentHealth);
 	}
 
 	public void SetupSignals()
 	{
 		// Anonymous function call to erase return values of ReduceHealth
 		CDamageable.DamageTaken += (source, record) => ReduceHealth(source, record);
-		CDamageable.DamageTaken += (source, record) => RegisterKnockback(new KnockbackRecord(record));
+		CDamageable.DamageTaken += (_, record) => RegisterKnockback(new KnockbackRecord(record));
 		CHealth.HealthDepleted += Kill;
-		HealthChanged += (source, record) => _healthbar.SetHealth(record.CurrentHealth);
+		HealthChanged += (_, record) => _healthbar.SetHealth(record.CurrentHealth);
 	}
 	
 	public override void _PhysicsProcess(double delta)
@@ -187,24 +182,21 @@ public partial class Enemy : CharacterBody3D,
 
 	public void RegisterKnockback(KnockbackRecord knockbackRecord)
 	{
-		if (CKnockback is null) return;
 		CKnockback.RegisterKnockback(knockbackRecord);
 	}
 
 	public Vector3 ComputeKnockback()
 	{
-		if (CKnockback is null) return Vector3.Zero;
 		return CKnockback.ComputeKnockback();
 	}
 
 	public Vector3 GetTargetGlobalPosition()
 	{
-		if (_target is null) return GlobalPosition;
+		return _target == null ? GlobalPosition : _target.GlobalPosition;
-		return _target.GlobalPosition;
 	}
 	
 	// Stun management
-	public bool IsStunned { get; set; } = false;
+	public bool IsStunned { get; set; }
 
 	[Export(PropertyHint.Range, "0.1, 2, 0.1, or_greater")]
 	public float StunDuration { get; set; } = 1f;

scenes/player_controller/PlayerUi.cs

@@ -5,7 +5,7 @@ using Movementtests.interfaces;
 [GlobalClass, Icon("res://assets/ui/IconGodotNode/control/icon_text_panel.png")]
 public partial class PlayerUi : Control
 {
-    private TextureRect[] _dashIcons = new TextureRect[3];
+    internal TextureRect[] _dashIcons = new TextureRect[3];
     private TextureRect _enemyTarget;
     private Healthbar _healthbar;
     

scenes/player_controller/components/dash/DashSystem.cs

@@ -26,18 +26,18 @@ public partial class DashSystem: Node3D
     public Vector3 PlannedMantleLocation { get; set; }
     public MantleSystem MantleSystem { get; set; }
         
-    private HeadSystem _head;
+    internal HeadSystem _head;
     public ShapeCast3D DashCast3D;
-    private Camera3D _camera;
+    internal Camera3D _camera;
-    private Vector3 _dashDirection = Vector3.Zero;
+    internal Vector3 _dashDirection = Vector3.Zero;
     
-    private ShapeCast3D _dashCastDrop;
+    internal ShapeCast3D _dashCastDrop;
-    private MeshInstance3D _dashDropIndicator;
+    internal MeshInstance3D _dashDropIndicator;
-    private MeshInstance3D _dashDropLocationIndicator;
+    internal MeshInstance3D _dashDropLocationIndicator;
 
-    private MeshInstance3D _dashTarget;
+    internal MeshInstance3D _dashTarget;
-    private CpuParticles3D _dashIndicator;
+    internal CpuParticles3D _dashIndicator;
-    private AnimationPlayer _dashIndicatorAnim;
+    internal AnimationPlayer _dashIndicatorAnim;
     
     [Export]
     public PackedScene DashIndicatorScene { get; set; }
@@ -77,7 +77,7 @@ public partial class DashSystem: Node3D
         _dashIndicatorAnim = GetNode<AnimationPlayer>("DashIndicator/AnimationPlayer");
     }
 
-    private DashLocation ComputeDashLocation()
+    internal DashLocation ComputeDashLocation()
     {
         var targetLocation = DashCast3D.ToGlobal(DashCast3D.TargetPosition);
         var hasHit = DashCast3D.IsColliding();

scenes/player_controller/components/head/HeadSystem.cs

@@ -39,10 +39,10 @@ public partial class HeadSystem : Node3D
         float BobbingMultiplier, 
         float FovMultiplier);
     
-    private Camera3D _camera;
+    internal Camera3D _camera;
-    private Marker3D _cameraAnchor;
+    internal Marker3D _cameraAnchor;
-    private AnimationPlayer _animationPlayer;
+    internal AnimationPlayer _animationPlayer;
-    private AnimationTree _animationTree;
+    internal AnimationTree _animationTree;
 	
     [Export(PropertyHint.Range, "0,10,0.1,or_greater")]
     public float LookSensitivity { get; set; } = 1f;
@@ -63,11 +63,11 @@ public partial class HeadSystem : Node3D
     [Export(PropertyHint.Range, "0,1,0.01,or_greater")]
     public float SlidingJitterAmplitude { get; set; } = 0.1f;
     
-    private FastNoiseLite _slidingNoise = new FastNoiseLite();
+    internal FastNoiseLite _slidingNoise = new FastNoiseLite();
 
     [ExportGroup("Bobbing")]
     
-    private float _bobbingAccumulator;  // Constantly increases when player moves in X or/and Z axis
+    internal float _bobbingAccumulator;  // Constantly increases when player moves in X or/and Z axis
     [Export(PropertyHint.Range, "0,10,0.01,or_greater")]
     public float BobbingFrequency { set; get; } = 2.4f;
     [Export(PropertyHint.Range, "0,0.4,0.01,or_greater")]
@@ -84,11 +84,11 @@ public partial class HeadSystem : Node3D
     public float FovMaxedOutSpeed { get; set; } = 20f;
     
     [ExportGroup("First Person rig")]
-    private Node3D _fpRig;
+    internal Node3D _fpRig;
-    private Node3D _rightHandedWeapon;
+    internal Node3D _rightHandedWeapon;
-    private Node3D _leftHandedWeapon;
+    internal Node3D _leftHandedWeapon;
-    private Node3D _fpDisplacedRig;
+    internal Node3D _fpDisplacedRig;
-    private Vector3 _fpDisplacedRigInitialRotation;
+    internal Vector3 _fpDisplacedRigInitialRotation;
     [Export(PropertyHint.Range, "0,10,0.1,or_greater")]
     public float WeaponSway { get; set; } = 5f;
     [Export(PropertyHint.Range, "0,10,0.1,or_greater")]
@@ -190,8 +190,8 @@ public partial class HeadSystem : Node3D
         EmitSignalHitboxDeactivated();
     }
 
-    private bool _footstepEmitted;
+    internal bool _footstepEmitted;
-    private bool _isPlayingForcingAnim;
+    internal bool _isPlayingForcingAnim;
 
     public void ResetHeadBobbing()
     {

scenes/player_controller/scripts/PlayerController.cs

@@ -265,8 +265,8 @@ public partial class PlayerController : CharacterBody3D,
 	private float _inputRotateFloorplane;
 	
 	// Basic falling
-	private float _targetSpeed;
+	internal float _targetSpeed;
-	private float _gravity;
+	internal float _gravity;
 
 	// Jump stuff
 	private int _currentInputBufferFrames;
@@ -290,7 +290,7 @@ public partial class PlayerController : CharacterBody3D,
 	private Vector3 _currentWallContactPoint = Vector3.Zero;
 	
 	// Dash stuff
-	private bool _canDash = true;
+	internal bool _canDash = true;
 	private bool _canDashAirborne = true;
 	private float _playerHeight;
 	private float _playerRadius;

tests/components/DamageComponentUnitTest.cs

@@ -0,0 +1,59 @@
+using Godot;
+using GdUnit4;
+using static GdUnit4.Assertions;
+using Movementtests.interfaces;
+using Movementtests.systems.damage;
+
+namespace Movementtests.tests;
+
+[TestSuite, RequireGodotRuntime]
+public class DamageComponentUnitTest
+{
+    [TestCase]
+    public void DamageModifier_Applies_WhenTypeMatches()
+    {
+        var modifier = new RDamageModifier(EDamageTypes.Normal, 2.0f);
+        var input = new DamageRecord(Vector3.Zero, new RDamage(10.0f, EDamageTypes.Normal));
+
+        var result = modifier.TakeDamage(input);
+        AssertFloat(result.Damage.DamageDealt).IsEqual(20.0f);
+    }
+
+    [TestCase]
+    public void DamageModifier_Ignores_WhenTypeDifferent()
+    {
+        var modifier = new RDamageModifier(EDamageTypes.Fire, 3.0f);
+        var input = new DamageRecord(Vector3.Zero, new RDamage(10.0f, EDamageTypes.Normal));
+
+        var result = modifier.TakeDamage(input);
+        AssertFloat(result.Damage.DamageDealt).IsEqual(0.0f);
+    }
+
+    [TestCase]
+    public void CDamageable_Sums_All_Modifiers()
+    {
+        var mod1 = new RDamageModifier(EDamageTypes.Normal, 1.0f);
+        var mod2 = new RDamageModifier(EDamageTypes.Normal, 0.5f);
+
+        var cDamageable = new CDamageable();
+        cDamageable.DamageModifiers = new[] { mod1, mod2 };
+
+        var input = new DamageRecord(Vector3.Zero, new RDamage(10.0f, EDamageTypes.Normal));
+        var result = cDamageable.TakeDamage(input);
+
+        // 10*1.0 + 10*0.5 = 15
+        AssertFloat(result.Damage.DamageDealt).IsEqual(15.0f);
+    }
+
+    [TestCase]
+    public void CDamageable_ComputeDamage_DoesNotEmit()
+    {
+        var mod = new RDamageModifier(EDamageTypes.Normal, 2.0f);
+        var cDamageable = new CDamageable();
+        cDamageable.DamageModifiers = new[] { mod };
+
+        var input = new DamageRecord(Vector3.Zero, new RDamage(5.0f, EDamageTypes.Normal));
+        var result = cDamageable.ComputeDamage(input);
+        AssertFloat(result.Damage.DamageDealt).IsEqual(10.0f);
+    }
+}

tests/components/DamageComponentUnitTest.cs.uid

@@ -0,0 +1 @@
+uid://db6rva7uccppc

tests/components/HealthComponentUnitTest.cs

@@ -0,0 +1,56 @@
+using Godot;
+using GdUnit4;
+using static GdUnit4.Assertions;
+using Movementtests.interfaces;
+using Movementtests.systems.damage;
+
+namespace Movementtests.tests;
+
+[TestSuite, RequireGodotRuntime]
+public class HealthComponentUnitTest
+{
+    [TestCase]
+    public void ReadyInitializesCurrentHealth()
+    {
+        var cHealth = new CHealth();
+        cHealth.RHealth = new RHealth(150.0f);
+        // Simulate Godot ready
+        cHealth._Ready();
+        AssertFloat(cHealth.CurrentHealth).IsEqual(150.0f);
+    }
+
+    [TestCase]
+    public void ReduceHealthDecreasesAndDoesNotDeplete()
+    {
+        var cHealth = new CHealth();
+        cHealth.RHealth = new RHealth(100.0f);
+        cHealth.CurrentHealth = 100.0f;
+
+        var damage = new DamageRecord(Vector3.Zero, new RDamage(25.0f, EDamageTypes.Normal));
+        var record = cHealth.ReduceHealth(source: null!, damageRecord: damage);
+
+        AssertFloat(cHealth.CurrentHealth).IsEqual(75.0f);
+        AssertFloat(record.CurrentHealth).IsEqual(75.0f);
+        AssertFloat(record.PreviousHealth).IsEqual(100.0f);
+        AssertFloat(record.MaxHealth).IsEqual(100.0f);
+    }
+
+    [TestCase]
+    public void ReduceHealthTriggersDepletionToZero()
+    {
+        var cHealth = new CHealth();
+        cHealth.RHealth = new RHealth(50.0f);
+        cHealth.CurrentHealth = 50.0f;
+
+        bool depleted = false;
+        cHealth.HealthDepleted += _ => depleted = true;
+
+        var damage = new DamageRecord(Vector3.Zero, new RDamage(100.0f, EDamageTypes.Normal));
+        var record = cHealth.ReduceHealth(source: null!, damageRecord: damage);
+
+        AssertBool(depleted).IsTrue();
+        AssertFloat(cHealth.CurrentHealth).IsEqual(0.0f);
+        AssertFloat(record.CurrentHealth).IsEqual(-50.0f);
+        AssertFloat(record.MaxHealth).IsEqual(50.0f);
+    }
+}

tests/components/HealthComponentUnitTest.cs.uid

@@ -0,0 +1 @@
+uid://bd52i51hncgmf

tests/components/KnockbackComponentUnitTest.cs

@@ -0,0 +1,31 @@
+using Godot;
+using GdUnit4;
+using static GdUnit4.Assertions;
+using Movementtests.interfaces;
+
+namespace Movementtests.tests;
+
+[TestSuite, RequireGodotRuntime]
+public class KnockbackComponentUnitTest
+{
+    [TestCase]
+    public void RegisterAndComputeKnockback_Works_And_Resets()
+    {
+        var cKnock = new CKnockback();
+        cKnock.RKnockback = new RKnockback(2.0f);
+        cKnock.GlobalPosition = Vector3.Zero;
+
+        var damage = new DamageRecord(new Vector3(10, 0, 0), new RDamage(0, Movementtests.systems.damage.EDamageTypes.Normal));
+        var record = new KnockbackRecord(damage, 1.5f);
+
+        cKnock.RegisterKnockback(record);
+        var force = cKnock.ComputeKnockback();
+
+        // Direction from source(10,0,0) to target(0,0,0) is (-1,0,0), scaled by modifier(2) and multiplier(1.5) => (-3,0,0)
+        AssertVector(force).IsEqual(new Vector3(-3, 0, 0));
+
+        // Second call returns zero since internal state resets
+        var second = cKnock.ComputeKnockback();
+        AssertVector(second).IsEqual(Vector3.Zero);
+    }
+}

tests/components/KnockbackComponentUnitTest.cs.uid

@@ -0,0 +1 @@
+uid://bv0eionbgbig5

tests/components/MovementSystemUnitTest.cs

@@ -0,0 +1,32 @@
+using Godot;
+using GdUnit4;
+using static GdUnit4.Assertions;
+using Movementtests.interfaces;
+using Movementtests.scenes.movement;
+
+namespace Movementtests.tests;
+
+[TestSuite, RequireGodotRuntime]
+public class MovementSystemUnitTest
+{
+    [TestCase]
+    public void GroundedMovement_Accelerates_And_Applies_Gravity()
+    {
+        var move = new CGroundedMovement();
+        move.RMovement = new RMovement(speed: 10.0f, acceleration: 1.0f, gravityModifier: 0.5f, targetHeight: 0.0f);
+        move.WallInFrontRayCast = new RayCast3D();
+        move.GlobalPosition = Vector3.Zero;
+
+        var inputs = new MovementInputs(
+            Velocity: Vector3.Zero,
+            TargetLocation: new Vector3(10, 0, 0),
+            isOnFloor: false,
+            gravity: Vector3.Down * 9.8f,
+            delta: 1.0
+        );
+
+        var v = move.ComputeVelocity(inputs);
+
+        AssertVector(v).IsEqualApprox(new Vector3(10, -4.9f, 0), new Vector3(0.0001f, 0.0001f, 0.0001f));
+    }
+}

tests/components/MovementSystemUnitTest.cs.uid

@@ -0,0 +1 @@
+uid://cofj5s4x74ay

tests/enemies/EnemyUnitTest.cs

@@ -0,0 +1,78 @@
+using Godot;
+using GdUnit4;
+using static GdUnit4.Assertions;
+using Movementtests.interfaces;
+using Movementtests.systems.damage;
+
+namespace Movementtests.tests;
+
+[TestSuite, RequireGodotRuntime]
+public class EnemyUnitTest
+{
+    [TestCase]
+    public void ComputeDamage_NoComponent_ReturnsZero()
+    {
+        var enemy = new Enemy();
+        var input = new DamageRecord(Vector3.Zero, new RDamage(10.0f, EDamageTypes.Normal));
+
+        var result = enemy.ComputeDamage(input);
+        AssertFloat(result.Damage.DamageDealt).IsEqual(0.0f);
+    }
+
+    [TestCase]
+    public void TakeDamage_WithCDamageable_AggregatesDamage()
+    {
+        var enemy = new Enemy();
+        var cDamage = new CDamageable();
+        cDamage.DamageModifiers = new[]
+        {
+            new RDamageModifier(EDamageTypes.Normal, 1.0f),
+            new RDamageModifier(EDamageTypes.Normal, 2.0f)
+        };
+        enemy.CDamageable = cDamage;
+
+        var input = new DamageRecord(Vector3.Zero, new RDamage(10.0f, EDamageTypes.Normal));
+        var result = enemy.TakeDamage(input);
+        AssertFloat(result.Damage.DamageDealt).IsEqual(30.0f);
+    }
+
+    [TestCase]
+    public void ReduceHealth_WithCHealth_Decreases()
+    {
+        var enemy = new Enemy();
+        var health = new CHealth { RHealth = new RHealth(100.0f), CurrentHealth = 100.0f };
+        enemy.CHealth = health;
+
+        var input = new DamageRecord(Vector3.Zero, new RDamage(25.0f, EDamageTypes.Normal));
+        var record = enemy.ReduceHealth(enemy, input);
+
+        AssertFloat(health.CurrentHealth).IsEqual(75.0f);
+        AssertFloat(record.CurrentHealth).IsEqual(75.0f);
+    }
+
+    [TestCase]
+    public void Knockback_Register_And_Compute()
+    {
+        var enemy = new Enemy();
+        var cKnock = new CKnockback { RKnockback = new RKnockback(1.0f) };
+        enemy.CKnockback = cKnock;
+        enemy.GlobalPosition = Vector3.Zero;
+        cKnock.GlobalPosition = Vector3.Zero;
+
+        var dmg = new DamageRecord(new Vector3(5, 0, 0), new RDamage(0, EDamageTypes.Normal));
+        var krec = new KnockbackRecord(dmg, 2.0f);
+        enemy.RegisterKnockback(krec);
+
+        var k = enemy.ComputeKnockback();
+        AssertVector(k).IsEqual(new Vector3(-2, 0, 0));
+    }
+
+    [TestCase]
+    public void Unstun_ResetsFlag()
+    {
+        var enemy = new Enemy();
+        enemy.IsStunned = true;
+        enemy.Unstun();
+        AssertBool(enemy.IsStunned).IsFalse();
+    }
+}

tests/enemies/EnemyUnitTest.cs.uid

@@ -0,0 +1 @@
+uid://cojxgcs6xqqoq

tests/player/DashSystemUnitTest.cs

@@ -0,0 +1,55 @@
+using Godot;
+using GdUnit4;
+using static GdUnit4.Assertions;
+using Movementtests.systems;
+
+namespace Movementtests.tests;
+
+[TestSuite, RequireGodotRuntime]
+public class DashSystemUnitTest
+{
+    private DashSystem _dashSystem;
+
+    [BeforeTest]
+    public void SetupTest()
+    {
+        _dashSystem = new DashSystem();
+        
+        _dashSystem.DashCast3D = new ShapeCast3D();
+        _dashSystem.AddChild(_dashSystem.DashCast3D);
+        
+        _dashSystem._dashCastDrop = new ShapeCast3D();
+        _dashSystem.AddChild(_dashSystem._dashCastDrop);
+        
+        _dashSystem._dashTarget = new MeshInstance3D();
+        _dashSystem.AddChild(_dashSystem._dashTarget);
+        
+        _dashSystem._dashDropIndicator = new MeshInstance3D();
+        _dashSystem.AddChild(_dashSystem._dashDropIndicator);
+        
+        _dashSystem._dashDropLocationIndicator = new MeshInstance3D();
+        _dashSystem.AddChild(_dashSystem._dashDropLocationIndicator);
+    }
+
+    [AfterTest]
+    public void CleanupTest()
+    {
+        _dashSystem?.Free();
+    }
+
+    [TestCase]
+    public void TestStopPreparingDash()
+    {
+        _dashSystem.CanDashThroughTarget = true;
+        _dashSystem._dashTarget.Visible = true;
+        _dashSystem._dashDropIndicator.Visible = true;
+        _dashSystem._dashDropLocationIndicator.Visible = true;
+        
+        _dashSystem.StopPreparingDash();
+        
+        AssertBool(_dashSystem.CanDashThroughTarget).IsFalse();
+        AssertBool(_dashSystem._dashTarget.Visible).IsFalse();
+        AssertBool(_dashSystem._dashDropIndicator.Visible).IsFalse();
+        AssertBool(_dashSystem._dashDropLocationIndicator.Visible).IsFalse();
+    }
+}

tests/player/DashSystemUnitTest.cs.uid

@@ -0,0 +1 @@
+uid://pv570go4cxws

tests/player/HeadSystemUnitTest.cs

@@ -0,0 +1,91 @@
+using Godot;
+using GdUnit4;
+using static GdUnit4.Assertions;
+using Movementtests.systems;
+
+namespace Movementtests.tests;
+
+[TestSuite, RequireGodotRuntime]
+public class HeadSystemUnitTest
+{
+    private HeadSystem _head;
+
+    [BeforeTest]
+    public void SetupTest()
+    {
+        _head = new HeadSystem();
+        _head._camera = new Camera3D();
+        _head.AddChild(_head._camera);
+        
+        _head._cameraAnchor = new Marker3D();
+        _head.AddChild(_head._cameraAnchor);
+        
+        _head._fpRig = new Node3D();
+        _head.AddChild(_head._fpRig);
+        
+        _head._fpDisplacedRig = new Node3D();
+        _head.AddChild(_head._fpDisplacedRig);
+    }
+
+    [AfterTest]
+    public void CleanupTest()
+    {
+        _head?.Free();
+    }
+
+    [TestCase]
+    public void TestResetHeadBobbing()
+    {
+        _head._bobbingAccumulator = 10.0f;
+        _head.ResetHeadBobbing();
+        AssertFloat(_head._bobbingAccumulator).IsEqual(0.0f);
+    }
+
+    [TestCase]
+    public void TestComputeHowMuchInputForward()
+    {
+        Vector3 forwardInput = new Vector3(0, 0, -1);
+        AssertFloat(_head.ComputeHowMuchInputForward(forwardInput)).IsEqual(1.0f);
+
+        Vector3 backwardInput = new Vector3(0, 0, 1);
+        AssertFloat(_head.ComputeHowMuchInputForward(backwardInput)).IsEqual(-1.0f);
+    }
+
+    [TestCase]
+    public void TestComputeHowMuchInputSideways()
+    {
+        Vector3 rightInput = new Vector3(1, 0, 0);
+        AssertFloat(_head.ComputeHowMuchInputSideways(rightInput)).IsEqual(1.0f);
+
+        Vector3 leftInput = new Vector3(-1, 0, 0);
+        AssertFloat(_head.ComputeHowMuchInputSideways(leftInput)).IsEqual(-1.0f);
+    }
+
+    [TestCase]
+    public void TestGetForwardHorizontalVector()
+    {
+        Vector3 forward = _head.GetForwardHorizontalVector();
+        AssertVector(forward).IsEqualApprox(Vector3.Back, new Vector3(0.001f, 0.001f, 0.001f));
+    }
+
+    [TestCase]
+    public void TestLookAroundRotation()
+    {
+        var inputs = new HeadSystem.CameraParameters(
+            Delta: 0.016,
+            LookDir: new Vector2(1, 0),
+            PlayerInput: Vector3.Zero,
+            PlayerVelocity: Vector3.Zero,
+            WallContactPoint: Vector3.Zero,
+            SensitivitMultiplier: 1.0f,
+            WithCameraJitter: false,
+            WithCameraBobbing: false,
+            BobbingMultiplier: 1.0f,
+            FovMultiplier: 1.0f
+        );
+
+        float initialY = _head.Rotation.Y;
+        _head.LookAround(inputs);
+        AssertFloat(_head.Rotation.Y).IsEqual(initialY + 1.0f);
+    }
+}

tests/player/HeadSystemUnitTest.cs.uid

@@ -0,0 +1 @@
+uid://bp0xn8k3dmfkg

tests/player/PlayerControllerUnitTest.cs

@@ -1,4 +1,3 @@
-using System.Reflection;
 using Godot;
 using GdUnit4;
 using static GdUnit4.Assertions;
@@ -16,12 +15,9 @@ public class PlayerControllerUnitTest
     public void SetupTest()
     {
         _player = new PlayerController();
-        // We don't call _Ready() to avoid node dependency issues, 
+        _player._targetSpeed = 7.0f;
-        // but we need to initialize some private fields for unit testing.
+        _player._gravity = 9.8f;
-        SetPrivateField(_player, "_targetSpeed", 7.0f);
-        SetPrivateField(_player, "_gravity", 9.8f);
         
-        // Setup Combat/Health dependencies
         var rHealth = new RHealth(100.0f);
         _player.RHealth = rHealth;
         _player.CHealth = new CHealth { RHealth = rHealth, CurrentHealth = 100.0f };
@@ -33,17 +29,11 @@ public class PlayerControllerUnitTest
         _player?.Free();
     }
 
-    private void SetPrivateField(object obj, string fieldName, object value)
-    {
-        var field = typeof(PlayerController).GetField(fieldName, BindingFlags.NonPublic | BindingFlags.Instance);
-        field?.SetValue(obj, value);
-    }
-
     [TestCase]
     public void TestCalculateGravityForce()
     {
         _player.Weight = 3.0f;
-        // _gravity is 9.8f
+        // gravity is 9.8f
         AssertFloat(_player.CalculateGravityForce()).IsEqualApprox(29.4f, 0.001f);
     }
 
@@ -51,15 +41,15 @@ public class PlayerControllerUnitTest
     public void TestIsPlayerInputtingForward()
     {
         // Test Keyboard Input
-        _player.InputDeviceChanged(false); // isUsingGamepad = false
+        _player.InputDeviceChanged(false);
-        _player.OnInputMoveKeyboard(new Vector3(0, 0, -1)); // Forward is -Z in Godot
+        _player.OnInputMoveKeyboard(Vector3.Forward);
         AssertBool(_player.IsPlayerInputtingForward()).IsTrue();
 
-        _player.OnInputMoveKeyboard(new Vector3(0, 0, 1)); // Backward
+        _player.OnInputMoveKeyboard(Vector3.Back);
         AssertBool(_player.IsPlayerInputtingForward()).IsFalse();
 
         // Test Gamepad Input
-        _player.InputDeviceChanged(true); // isUsingGamepad = true
+        _player.InputDeviceChanged(true);
         _player.OnInputMove(new Vector3(0, 0, -1));
         AssertBool(_player.IsPlayerInputtingForward()).IsTrue();
     }
@@ -78,14 +68,8 @@ public class PlayerControllerUnitTest
         _player.Velocity = Vector3.Zero;
         _player.AccelerationFloor = 10.0f;
         
-        // Moving forward
-        Vector3 direction = Vector3.Forward; // (0, 0, -1)
         float delta = 0.1f;
-        
+        Vector3 newVelocity = _player.ComputeHVelocity(delta, _player.AccelerationFloor, _player.DecelerationFloor, Vector3.Forward);
-        // _targetSpeed is 7.0f
-        // Expected velocity change: Lerp(0, -7.0, 0.1 * 10.0) -> Lerp(0, -7.0, 1.0) -> -7.0
-        Vector3 newVelocity = _player.ComputeHVelocity(delta, _player.AccelerationFloor, _player.DecelerationFloor, direction);
-        
         AssertVector(newVelocity).IsEqual(new Vector3(0, 0, -7.0f));
     }
 
@@ -96,12 +80,8 @@ public class PlayerControllerUnitTest
         _player.AccelerationAir = 2.0f;
         _player.DecelerationAir = 2.0f;
         
-        // No input direction (deceleration)
-        Vector3 direction = Vector3.Zero;
         float delta = 0.5f;
-        
+        Vector3 newVelocity = _player.ComputeHVelocity(delta, _player.AccelerationAir, _player.DecelerationAir, Vector3.Zero);
-        // Expected velocity change: Lerp(5, 0, 0.5 * 2.0) -> Lerp(5, 0, 1.0) -> 0
-        Vector3 newVelocity = _player.ComputeHVelocity(delta, _player.AccelerationAir, _player.DecelerationAir, direction);
         
         AssertVector(newVelocity).IsEqual(Vector3.Zero);
     }
@@ -109,23 +89,17 @@ public class PlayerControllerUnitTest
     [TestCase]
     public void TestReduceHealth()
     {
-        // Initial health is 100
         var damageRecord = new DamageRecord(Vector3.Zero, new RDamage(25.0f, EDamageTypes.Normal));
         _player.ReduceHealth(_player, damageRecord);
-        
         AssertFloat(_player.CHealth.CurrentHealth).IsEqual(75.0f);
     }
 
     [TestCase]
     public void TestEmpoweredActionsLeft()
     {
-        // EmpoweredActionsLeft setter calls PlayerUi.SetNumberOfDashesLeft
-        // PlayerUi.SetNumberOfDashesLeft accesses _dashIcons array, which is null if _Ready() isn't called.
-        // We can initialize _dashIcons via reflection to allow the setter to work.
         var mockUi = new PlayerUi();
         var dashIcons = new TextureRect[3] { new TextureRect(), new TextureRect(), new TextureRect() };
-        var field = typeof(PlayerUi).GetField("_dashIcons", BindingFlags.NonPublic | BindingFlags.Instance);
+        mockUi._dashIcons = dashIcons;
-        field?.SetValue(mockUi, dashIcons);
         
         _player.PlayerUi = mockUi;
         
@@ -139,23 +113,16 @@ public class PlayerControllerUnitTest
     [TestCase]
     public void TestDashCooldownTimeout()
     {
-        SetPrivateField(_player, "_canDash", false);
+        _player._canDash = false;
         _player.DashCooldownTimeout();
-        bool canDash = (bool)GetPrivateField(_player, "_canDash");
+        AssertBool(_player._canDash).IsTrue();
-        AssertBool(canDash).IsTrue();
-    }
-
-    private object GetPrivateField(object obj, string fieldName)
-    {
-        var field = typeof(PlayerController).GetField(fieldName, BindingFlags.NonPublic | BindingFlags.Instance);
-        return field?.GetValue(obj);
     }
 
     [TestCase]
     public void TestGetInputLocalHDirection()
     {
-        _player.InputDeviceChanged(false); // Keyboard
+        _player.InputDeviceChanged(false);
-        _player.OnInputMoveKeyboard(new Vector3(1, 0, 1)); // Diagonal
+        _player.OnInputMoveKeyboard(new Vector3(1, 0, 1));
         
         Vector3 expected = new Vector3(1, 0, 1).Normalized();
         AssertVector(_player.GetInputLocalHDirection()).IsEqualApprox(expected, new Vector3(0.001f, 0.001f, 0.001f));
@@ -168,7 +135,6 @@ public class PlayerControllerUnitTest
         cKnockback.RKnockback = new RKnockback(10.0f);
         _player.CKnockback = cKnockback;
         
-        // Setup knockback record
         var damageRecord = new DamageRecord(new Vector3(10, 0, 0), new RDamage(0, EDamageTypes.Normal));
         var knockbackRecord = new KnockbackRecord(damageRecord, 1.0f);
         
@@ -177,10 +143,6 @@ public class PlayerControllerUnitTest
         
         _player.RegisterKnockback(knockbackRecord);
         
-        // Expected direction: GlobalPosition (0,0,0) - SourceLocation (10,0,0) = (-10,0,0)
-        // Normalized: (-1, 0, 0)
-        // finalKnockback: (-1, 0, 0) * 10.0 (Modifier) * 1.0 (ForceMultiplier) = (-10, 0, 0)
-        
         Vector3 knockback = cKnockback.ComputeKnockback();
         AssertVector(knockback).IsEqual(new Vector3(-10, 0, 0));
     }

tests/player/WeaponSystemUnitTest.cs

@@ -0,0 +1,51 @@
+using Godot;
+using GdUnit4;
+using static GdUnit4.Assertions;
+using Movementtests.systems;
+using Movementtests.systems.damage;
+
+namespace Movementtests.tests;
+
+[TestSuite, RequireGodotRuntime]
+public class WeaponSystemUnitTest
+{
+    private WeaponSystem _weapon;
+
+    [BeforeTest]
+    public void SetupTest()
+    {
+        _weapon = new WeaponSystem();
+        _weapon.RDamage = new RDamage(5.0f, EDamageTypes.Normal);
+        
+        _weapon.WeaponMesh = new MeshInstance3D();
+        _weapon.AddChild(_weapon.WeaponMesh);
+        _weapon.WeaponLocationIndicator = new MeshInstance3D();
+        _weapon.AddChild(_weapon.WeaponLocationIndicator);
+    }
+
+    [AfterTest]
+    public void CleanupTest()
+    {
+        _weapon?.Free();
+    }
+
+    [TestCase]
+    public void TestWeaponLeftAndBackVisibility()
+    {
+        _weapon.Visible = false;
+
+        _weapon.WeaponLeft();
+        AssertBool(_weapon.Visible).IsTrue();
+
+        _weapon.WeaponBack();
+        AssertBool(_weapon.Visible).IsFalse();
+    }
+
+    [TestCase]
+    public void TestThrowWeaponOnCurveSetsUnfrozen()
+    {
+        _weapon.Freeze = true;
+        _weapon.ThrowWeaponOnCurve();
+        AssertBool(_weapon.Freeze).IsFalse();
+    }
+}

tests/player/WeaponSystemUnitTest.cs.uid

@@ -0,0 +1 @@
+uid://vkv8aderakcb