basic tests for a wider variety of files

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, 
-        // but we need to initialize some private fields for unit testing.
-        SetPrivateField(_player, "_targetSpeed", 7.0f);
-        SetPrivateField(_player, "_gravity", 9.8f);
+        _player._targetSpeed = 7.0f;
+        _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.OnInputMoveKeyboard(new Vector3(0, 0, -1)); // Forward is -Z in Godot
+        _player.InputDeviceChanged(false);
+        _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;
-        
-        // _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);
-        
+        Vector3 newVelocity = _player.ComputeHVelocity(delta, _player.AccelerationFloor, _player.DecelerationFloor, Vector3.Forward);
         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;
-        
-        // 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);
+        Vector3 newVelocity = _player.ComputeHVelocity(delta, _player.AccelerationAir, _player.DecelerationAir, Vector3.Zero);
         
         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);
-        field?.SetValue(mockUi, dashIcons);
+        mockUi._dashIcons = 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(canDash).IsTrue();
-    }
-
-    private object GetPrivateField(object obj, string fieldName)
-    {
-        var field = typeof(PlayerController).GetField(fieldName, BindingFlags.NonPublic | BindingFlags.Instance);
-        return field?.GetValue(obj);
+        AssertBool(_player._canDash).IsTrue();
     }
 
     [TestCase]
     public void TestGetInputLocalHDirection()
     {
-        _player.InputDeviceChanged(false); // Keyboard
-        _player.OnInputMoveKeyboard(new Vector3(1, 0, 1)); // Diagonal
+        _player.InputDeviceChanged(false);
+        _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