Stash bunch of broken generated test with shitty broken mocking

game/chat.go

@@ -25,12 +25,14 @@ type Chat struct {
 	cursorPos    int
 	scrollOffset int
 	userData     interface{}
+	input        InputHandler
 }
 
 func NewChat() *Chat {
 	return &Chat{
 		messages:    make([]types.ChatMessage, 0, maxMessages),
 		inputBuffer: make([]rune, 0, runeLimit),
+		input:       &RaylibInput{},
 	}
 }
 
@@ -153,23 +155,23 @@ func (c *Chat) Update() (string, bool) {
 			c.scrollOffset = clamp(c.scrollOffset-int(wheelMove), 0, maxScroll)
 		}
 
-		if rl.IsKeyPressed(rl.KeyT) {
+		if c.input.IsKeyPressed(rl.KeyT) {
 			c.isTyping = true
 			return "", false
 		}
 		return "", false
 	}
 
-	key := rl.GetCharPressed()
+	key := c.input.GetCharPressed()
 	for key > 0 {
 		if len(c.inputBuffer) < runeLimit {
 			c.inputBuffer = append(c.inputBuffer[:c.cursorPos], append([]rune{key}, c.inputBuffer[c.cursorPos:]...)...)
 			c.cursorPos++
 		}
-		key = rl.GetCharPressed()
+		key = c.input.GetCharPressed()
 	}
 
-	if rl.IsKeyPressed(rl.KeyEnter) || rl.IsKeyPressed(rl.KeyKpEnter) {
+	if c.input.IsKeyPressed(rl.KeyEnter) || c.input.IsKeyPressed(rl.KeyKpEnter) {
 		if len(c.inputBuffer) > 0 {
 			message := string(c.inputBuffer)
 			c.inputBuffer = c.inputBuffer[:0]
@@ -180,21 +182,21 @@ func (c *Chat) Update() (string, bool) {
 		c.isTyping = false
 	}
 
-	if rl.IsKeyPressed(rl.KeyEscape) && c.isTyping {
+	if c.input.IsKeyPressed(rl.KeyEscape) && c.isTyping {
 		c.inputBuffer = c.inputBuffer[:0]
 		c.cursorPos = 0
 		c.isTyping = false
 	}
 
-	if rl.IsKeyPressed(rl.KeyBackspace) && c.cursorPos > 0 {
+	if c.input.IsKeyPressed(rl.KeyBackspace) && c.cursorPos > 0 {
 		c.inputBuffer = append(c.inputBuffer[:c.cursorPos-1], c.inputBuffer[c.cursorPos:]...)
 		c.cursorPos--
 	}
 
-	if rl.IsKeyPressed(rl.KeyLeft) && c.cursorPos > 0 {
+	if c.input.IsKeyPressed(rl.KeyLeft) && c.cursorPos > 0 {
 		c.cursorPos--
 	}
-	if rl.IsKeyPressed(rl.KeyRight) && c.cursorPos < len(c.inputBuffer) {
+	if c.input.IsKeyPressed(rl.KeyRight) && c.cursorPos < len(c.inputBuffer) {
 		c.cursorPos++
 	}
 

game/chat_test.go

@@ -0,0 +1,106 @@
+package game
+
+import (
+	"testing"
+	"time"
+
+	"gitea.boner.be/bdnugget/goonscape/game/testutils"
+	"gitea.boner.be/bdnugget/goonscape/types"
+	pb "gitea.boner.be/bdnugget/goonserver/actions"
+	rl "github.com/gen2brain/raylib-go/raylib"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestChat_AddMessage(t *testing.T) {
+	chat := NewChat()
+
+	// Test adding single message
+	chat.AddMessage(1, "Hello")
+	assert.Equal(t, 1, len(chat.messages))
+	assert.Equal(t, int32(1), chat.messages[0].PlayerID)
+	assert.Equal(t, "Hello", chat.messages[0].Content)
+
+	// Test message limit
+	for i := 0; i < maxMessages+10; i++ {
+		chat.AddMessage(1, "spam")
+	}
+	assert.Equal(t, maxMessages, len(chat.messages))
+	assert.Equal(t, "spam", chat.messages[len(chat.messages)-1].Content)
+}
+
+func TestChat_HandleServerMessages(t *testing.T) {
+	chat := NewChat()
+	mockGame := &Game{
+		Player: &types.Player{ID: 1},
+		OtherPlayers: map[int32]*types.Player{
+			2: {ID: 2},
+		},
+	}
+	chat.userData = mockGame
+
+	messages := []*pb.ChatMessage{
+		{
+			PlayerId:  1,
+			Username:  "player1",
+			Content:   "test1",
+			Timestamp: time.Now().UnixNano(),
+		},
+		{
+			PlayerId:  2,
+			Username:  "player2",
+			Content:   "test2",
+			Timestamp: time.Now().UnixNano(),
+		},
+	}
+
+	chat.HandleServerMessages(messages)
+	assert.Equal(t, 2, len(chat.messages))
+	assert.Equal(t, "test1", chat.messages[0].Content)
+	assert.Equal(t, "test2", chat.messages[1].Content)
+
+	// Test duplicate message prevention
+	chat.HandleServerMessages(messages)
+	assert.Equal(t, 2, len(chat.messages))
+}
+
+func TestChat_Update(t *testing.T) {
+	t.Parallel()
+	done := make(chan bool)
+	go func() {
+		game, cleanup := setupTestEnvironment(t)
+		defer cleanup()
+
+		chat := game.Chat
+
+		// Test starting chat
+		testutils.SimulateKeyPress(rl.KeyT)
+		msg, sent := chat.Update()
+		assert.True(t, chat.isTyping)
+		assert.False(t, sent)
+		assert.Empty(t, msg)
+
+		// Test typing message
+		testutils.SimulateCharInput('h')
+		msg, sent = chat.Update()
+		testutils.SimulateCharInput('i')
+		msg, sent = chat.Update()
+		assert.Equal(t, 2, len(chat.inputBuffer))
+		assert.False(t, sent)
+		assert.Empty(t, msg)
+
+		// Test sending message
+		testutils.SimulateKeyPress(rl.KeyEnter)
+		msg, sent = chat.Update()
+		assert.True(t, sent)
+		assert.Equal(t, "hi", msg)
+		assert.False(t, chat.isTyping)
+		done <- true
+	}()
+
+	select {
+	case <-done:
+		// Test completed successfully
+	case <-time.After(5 * time.Second):
+		t.Fatal("Test timed out")
+	}
+}

game/game.go

@@ -22,6 +22,7 @@ type Game struct {
 	QuitChan     chan struct{} // Channel to signal shutdown
 	loginScreen  *LoginScreen
 	isLoggedIn   bool
+	input        InputHandler
 }
 
 func New() *Game {
@@ -38,6 +39,7 @@ func New() *Game {
 		Chat:        NewChat(),
 		QuitChan:    make(chan struct{}),
 		loginScreen: NewLoginScreen(),
+		input:       &RaylibInput{},
 	}
 	game.Chat.userData = game
 	return game
@@ -86,7 +88,7 @@ func (g *Game) Update(deltaTime float32) {
 	}
 
 	// Handle ESC for menu
-	if rl.IsKeyPressed(rl.KeyEscape) {
+	if g.input.IsKeyPressed(rl.KeyEscape) {
 		g.MenuOpen = !g.MenuOpen
 		return
 	}
@@ -325,13 +327,13 @@ func (g *Game) DrawMenu() {
 		}
 
 		// Check mouse hover
-		mousePoint := rl.GetMousePosition()
+		mousePoint := g.input.GetMousePosition()
 		mouseHover := rl.CheckCollisionPointRec(mousePoint, buttonRect)
 
 		// Draw button
 		if mouseHover {
 			rl.DrawRectangleRec(buttonRect, rl.ColorAlpha(rl.White, 0.3))
-			if rl.IsMouseButtonPressed(rl.MouseLeftButton) {
+			if g.input.IsMouseButtonPressed(toInt32(rl.MouseLeftButton)) {
 				switch item {
 				case "Resume":
 					g.MenuOpen = false

game/game_test.go

@@ -0,0 +1,106 @@
+package game
+
+import (
+	"testing"
+
+	"gitea.boner.be/bdnugget/goonscape/game/testutils"
+	"gitea.boner.be/bdnugget/goonscape/types"
+	pb "gitea.boner.be/bdnugget/goonserver/actions"
+	rl "github.com/gen2brain/raylib-go/raylib"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGame_HandleInput(t *testing.T) {
+	game := New()
+	game.Player = &types.Player{
+		ID:    1,
+		Speed: 50.0,
+	}
+
+	// Test valid click
+	simulateMouseRay(rl.Ray{
+		Position:  rl.Vector3{X: 0, Y: 10, Z: 0},
+		Direction: rl.Vector3{X: 0, Y: -1, Z: 0},
+	})
+	simulateMouseButton(toInt32(rl.MouseLeftButton), true)
+	game.HandleInput()
+	assert.NotEmpty(t, game.Player.TargetPath)
+
+	// Test invalid click (outside map)
+	simulateMouseRay(rl.Ray{
+		Position:  rl.Vector3{X: 1000, Y: 10, Z: 1000},
+		Direction: rl.Vector3{X: 0, Y: -1, Z: 0},
+	})
+	simulateMouseButton(toInt32(rl.MouseLeftButton), true)
+	game.HandleInput()
+	assert.Empty(t, game.Player.TargetPath)
+}
+
+func TestGame_UpdateCamera(t *testing.T) {
+	game := New()
+
+	// Test zoom limits
+	testutils.SimulateMouseWheel(1.0) // Zoom in
+	testutils.SimulateMouseWheel(1.0)
+	assert.GreaterOrEqual(t, cameraDistance, float32(10.0))
+
+	testutils.SimulateMouseWheel(-1.0) // Zoom out
+	testutils.SimulateMouseWheel(-1.0)
+	assert.LessOrEqual(t, cameraDistance, float32(250.0))
+
+	// Test camera rotation
+	originalYaw := cameraYaw
+	testutils.SimulateKeyDown(rl.KeyRight, true)
+	game.Update(0.1)
+	assert.Greater(t, cameraYaw, originalYaw)
+
+	// Test pitch limits
+	simulateKeyDown(rl.KeyUp, true)
+	for i := 0; i < 100; i++ {
+		game.Update(0.1)
+	}
+	assert.GreaterOrEqual(t, cameraPitch, float32(20.0))
+	assert.LessOrEqual(t, cameraPitch, float32(85.0))
+}
+
+func TestGame_ChatIntegration(t *testing.T) {
+	game := New()
+	game.Player = &types.Player{ID: 1}
+
+	// Test chat message to action queue
+	testutils.SimulateKeyPress(rl.KeyT)
+	game.Update(0.1)
+	assert.True(t, game.Chat.isTyping)
+
+	testutils.SimulateCharInput('h')
+	testutils.SimulateCharInput('i')
+	testutils.SimulateKeyPress(rl.KeyEnter)
+	game.Update(0.1)
+
+	assert.Equal(t, 1, len(game.Player.ActionQueue))
+	assert.Equal(t, pb.Action_CHAT, game.Player.ActionQueue[0].Type)
+	assert.Equal(t, "hi", game.Player.ActionQueue[0].ChatMessage)
+}
+
+func TestGame_MenuHandling(t *testing.T) {
+	game := New()
+
+	// Test menu toggle
+	assert.False(t, game.MenuOpen)
+	testutils.SimulateKeyPress(rl.KeyEscape)
+	game.Update(0.1)
+	assert.True(t, game.MenuOpen)
+
+	// Test input blocking when menu is open
+	game.Player = &types.Player{ID: 1}
+	testutils.SimulateMouseButton(testutils.ToInt32(rl.MouseLeftButton), true)
+	game.Update(0.1)
+	assert.Empty(t, game.Player.TargetPath)
+
+	// Test menu close
+	testutils.SimulateKeyPress(rl.KeyEscape)
+	game.Update(0.1)
+	assert.False(t, game.MenuOpen)
+}
+
+// Add more test helpers as needed...

game/input.go

@@ -3,16 +3,95 @@ package game
 import (
 	"fmt"
 
+	"gitea.boner.be/bdnugget/goonscape/game/mock"
 	"gitea.boner.be/bdnugget/goonscape/types"
 	rl "github.com/gen2brain/raylib-go/raylib"
 )
 
+// InputHandler abstracts raylib input functions for testing
+type InputHandler interface {
+	IsKeyPressed(key int32) bool
+	IsKeyDown(key int32) bool
+	IsMouseButtonPressed(button int32) bool
+	GetMousePosition() rl.Vector2
+	GetMouseRay(mousePos rl.Vector2, camera rl.Camera3D) rl.Ray
+	GetMouseWheelMove() float32
+	GetCharPressed() rune
+}
+
+// RaylibInput implements InputHandler using actual raylib functions
+type RaylibInput struct{}
+
+func (r *RaylibInput) IsKeyPressed(key int32) bool { return rl.IsKeyPressed(key) }
+func (r *RaylibInput) IsKeyDown(key int32) bool    { return rl.IsKeyDown(key) }
+func (r *RaylibInput) IsMouseButtonPressed(button int32) bool {
+	return rl.IsMouseButtonPressed(rl.MouseButton(button))
+}
+func (r *RaylibInput) GetMousePosition() rl.Vector2 { return rl.GetMousePosition() }
+func (r *RaylibInput) GetMouseRay(mousePos rl.Vector2, camera rl.Camera3D) rl.Ray {
+	return rl.GetMouseRay(mousePos, camera)
+}
+func (r *RaylibInput) GetMouseWheelMove() float32 { return rl.GetMouseWheelMove() }
+func (r *RaylibInput) GetCharPressed() rune       { return rl.GetCharPressed() }
+
+// MockInput implements InputHandler using our mock functions
+type MockInput struct{}
+
+func (m *MockInput) IsKeyPressed(key int32) bool {
+	if mock.IsKeyPressed == nil {
+		return false
+	}
+	return mock.IsKeyPressed(key)
+}
+
+func (m *MockInput) IsKeyDown(key int32) bool {
+	if mock.IsKeyDown == nil {
+		return false
+	}
+	return mock.IsKeyDown(key)
+}
+
+func (m *MockInput) IsMouseButtonPressed(button int32) bool {
+	if mock.IsMouseButtonPressed == nil {
+		return false
+	}
+	return mock.IsMouseButtonPressed(button)
+}
+
+func (m *MockInput) GetMousePosition() rl.Vector2 {
+	if mock.GetMousePosition == nil {
+		return rl.Vector2{}
+	}
+	return mock.GetMousePosition()
+}
+
+func (m *MockInput) GetMouseRay(mousePos rl.Vector2, camera rl.Camera3D) rl.Ray {
+	if mock.GetMouseRay == nil {
+		return rl.Ray{}
+	}
+	return mock.GetMouseRay(mousePos, camera)
+}
+
+func (m *MockInput) GetMouseWheelMove() float32 {
+	if mock.GetMouseWheelMove == nil {
+		return 0
+	}
+	return mock.GetMouseWheelMove()
+}
+
+func (m *MockInput) GetCharPressed() rune {
+	if mock.GetCharPressed == nil {
+		return 0
+	}
+	return mock.GetCharPressed()
+}
+
 func (g *Game) GetTileAtMouse() (types.Tile, bool) {
-	if !rl.IsMouseButtonPressed(rl.MouseLeftButton) {
+	if !g.input.IsMouseButtonPressed(toInt32(rl.MouseLeftButton)) {
 		return types.Tile{}, false
 	}
-	mouse := rl.GetMousePosition()
-	ray := rl.GetMouseRay(mouse, g.Camera)
+	mouse := g.input.GetMousePosition()
+	ray := g.input.GetMouseRay(mouse, g.Camera)
 
 	for x := 0; x < types.MapWidth; x++ {
 		for y := 0; y < types.MapHeight; y++ {

game/input_test.go

@@ -0,0 +1,187 @@
+package game
+
+import (
+	"testing"
+
+	"gitea.boner.be/bdnugget/goonscape/game/testutils"
+	"gitea.boner.be/bdnugget/goonscape/types"
+	rl "github.com/gen2brain/raylib-go/raylib"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMouseInput_EdgeCases(t *testing.T) {
+	game, cleanup := setupTestEnvironment(t)
+	defer cleanup()
+
+	game.Player = &types.Player{ID: 1}
+
+	tests := []struct {
+		name     string
+		ray      rl.Ray
+		expected bool
+	}{
+		{
+			name: "Click outside map bounds",
+			ray: rl.Ray{
+				Position:  rl.Vector3{X: 1000, Y: 10, Z: 1000},
+				Direction: rl.Vector3{X: 0, Y: -1, Z: 0},
+			},
+			expected: false,
+		},
+		{
+			name: "Click at map edge",
+			ray: rl.Ray{
+				Position:  rl.Vector3{X: float32(types.MapWidth * types.TileSize), Y: 10, Z: 0},
+				Direction: rl.Vector3{X: 0, Y: -1, Z: 0},
+			},
+			expected: false,
+		},
+		{
+			name: "Click on valid tile",
+			ray: rl.Ray{
+				Position:  rl.Vector3{X: 32, Y: 10, Z: 32},
+				Direction: rl.Vector3{X: 0, Y: -1, Z: 0},
+			},
+			expected: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			testutils.ResetMockInput()
+			testutils.SimulateMouseRay(tt.ray)
+			testutils.SimulateMouseButton(testutils.ToInt32(rl.MouseLeftButton), true)
+			tile, clicked := game.GetTileAtMouse()
+			assert.Equal(t, tt.expected, clicked)
+			if tt.expected {
+				assert.NotEmpty(t, tile)
+			}
+		})
+	}
+}
+
+func TestChat_InputValidation(t *testing.T) {
+	game, cleanup := setupTestEnvironment(t)
+	defer cleanup()
+
+	game.Player = &types.Player{ID: 1}
+
+	tests := []struct {
+		name     string
+		input    []rune
+		expected string
+	}{
+		{
+			name:     "Empty message",
+			input:    []rune{},
+			expected: "",
+		},
+		{
+			name:     "Message with only spaces",
+			input:    []rune("   "),
+			expected: "",
+		},
+		{
+			name:     "Very long message",
+			input:    []rune(string(make([]rune, runeLimit))),
+			expected: string(make([]rune, runeLimit)),
+		},
+		{
+			name:     "Unicode characters",
+			input:    []rune("Hello 世界"),
+			expected: "Hello 世界",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			testutils.ResetMockInput()
+			testutils.SimulateKeyPress(rl.KeyT)
+			game.Update(0.1)
+
+			for _, r := range tt.input {
+				testutils.SimulateCharInput(r)
+				game.Update(0.1)
+			}
+
+			testutils.SimulateKeyPress(rl.KeyEnter)
+			game.Update(0.1)
+
+			if tt.expected != "" {
+				assert.Equal(t, 1, len(game.Player.ActionQueue))
+				assert.Equal(t, tt.expected, game.Player.ActionQueue[0].ChatMessage)
+			} else {
+				assert.Empty(t, game.Player.ActionQueue)
+			}
+		})
+	}
+}
+
+func TestLogin_InputValidation(t *testing.T) {
+	_, cleanup := setupTestEnvironment(t)
+	defer cleanup()
+
+	tests := []struct {
+		name          string
+		username      string
+		password      string
+		expectSuccess bool
+	}{
+		{
+			name:          "Valid credentials",
+			username:      "validuser",
+			password:      "validpass",
+			expectSuccess: true,
+		},
+		{
+			name:          "Empty username",
+			username:      "",
+			password:      "password",
+			expectSuccess: false,
+		},
+		{
+			name:          "Empty password",
+			username:      "username",
+			password:      "",
+			expectSuccess: false,
+		},
+		{
+			name:          "Username too long",
+			username:      "verylongusername123",
+			password:      "password",
+			expectSuccess: false,
+		},
+		{
+			name:          "Special characters in username",
+			username:      "user@name",
+			password:      "password",
+			expectSuccess: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			login := NewLoginScreen()
+			testutils.ResetMockInput()
+
+			// Simulate typing username
+			login.focusedField = 0
+			for _, r := range tt.username {
+				testutils.SimulateCharInput(r)
+				login.Update()
+			}
+
+			// Simulate typing password
+			login.focusedField = 1
+			for _, r := range tt.password {
+				testutils.SimulateCharInput(r)
+				login.Update()
+			}
+
+			// Simulate clicking login button
+			testutils.SimulateMouseClick(400, 365)
+			_, _, _, submitted := login.Update()
+			assert.Equal(t, tt.expectSuccess, submitted)
+		})
+	}
+}

game/login_test.go

@@ -0,0 +1,80 @@
+package game
+
+import (
+	"testing"
+
+	"gitea.boner.be/bdnugget/goonscape/game/testutils"
+	rl "github.com/gen2brain/raylib-go/raylib"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestLoginScreen_Update(t *testing.T) {
+	login := NewLoginScreen()
+
+	// Test field focus switching
+	simulateMouseClick(400, 215) // Click username field
+	assert.Equal(t, 0, login.focusedField)
+
+	simulateMouseClick(400, 265) // Click password field
+	assert.Equal(t, 1, login.focusedField)
+
+	// Test input length limits
+	login.focusedField = 0
+	for i := 0; i < 20; i++ {
+		simulateCharInput('x')
+	}
+	assert.LessOrEqual(t, len(login.username), 12)
+
+	login.focusedField = 1
+	for i := 0; i < 30; i++ {
+		simulateCharInput('x')
+	}
+	assert.LessOrEqual(t, len(login.password), 20)
+
+	// Test mode switching
+	simulateMouseClick(600, 365) // Click switch mode button
+	assert.True(t, login.isRegistering)
+	simulateMouseClick(600, 365) // Click again
+	assert.False(t, login.isRegistering)
+
+	// Test submission
+	login.username = "test"
+	login.password = "password"
+	testutils.SimulateMousePosition(400, 365)
+	testutils.SimulateMouseButton(testutils.ToInt32(rl.MouseLeftButton), true)
+	username, password, isRegistering, submitted := login.Update()
+	assert.True(t, submitted)
+	assert.Equal(t, "test", username)
+	assert.Equal(t, "password", password)
+	assert.False(t, isRegistering)
+}
+
+func TestLoginScreen_ErrorHandling(t *testing.T) {
+	login := NewLoginScreen()
+
+	// Test empty fields
+	login.username = ""
+	login.password = "test"
+	testutils.SimulateMousePosition(400, 365)
+	testutils.SimulateMouseButton(testutils.ToInt32(rl.MouseLeftButton), true)
+	_, _, _, submitted := login.Update()
+	assert.False(t, submitted)
+	assert.Contains(t, login.errorMessage, "username")
+
+	// Test special characters
+	login.username = "test!@#"
+	login.password = "password"
+	testutils.SimulateMousePosition(400, 365)
+	testutils.SimulateMouseButton(testutils.ToInt32(rl.MouseLeftButton), true)
+	_, _, _, submitted = login.Update()
+	assert.False(t, submitted)
+	assert.Contains(t, login.errorMessage, "invalid characters")
+
+	// Test error message display
+	login.SetError("Test error")
+	assert.Equal(t, "Test error", login.errorMessage)
+}
+
+func simulateMouseClick(x, y float32) {
+	// Implementation would depend on how raylib is mocked
+}

game/mock/raylib.go

@@ -0,0 +1,15 @@
+package mock
+
+import (
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+var (
+	IsKeyPressed         func(key int32) bool
+	IsKeyDown            func(key int32) bool
+	IsMouseButtonPressed func(button int32) bool
+	GetMousePosition     func() rl.Vector2
+	GetMouseRay          func(mousePos rl.Vector2, camera rl.Camera3D) rl.Ray
+	GetMouseWheelMove    func() float32
+	GetCharPressed       func() rune
+)

game/test_helpers.go

@@ -0,0 +1,141 @@
+package game
+
+import (
+	"sync"
+
+	"gitea.boner.be/bdnugget/goonscape/game/mock"
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+var (
+	mockInput struct {
+		sync.Mutex
+		keyPressed    map[int32]bool
+		keyDown       map[int32]bool
+		mousePressed  map[int32]bool
+		mousePosition rl.Vector2
+		mouseRay      rl.Ray
+		mouseWheel    float32
+		charPressed   rune
+	}
+)
+
+func init() {
+	resetMockInput()
+	setupMockFunctions()
+}
+
+func setupMockFunctions() {
+	mock.IsKeyPressed = mockIsKeyPressed
+	mock.IsKeyDown = mockIsKeyDown
+	mock.IsMouseButtonPressed = mockIsMouseButtonPressed
+	mock.GetMousePosition = mockGetMousePosition
+	mock.GetMouseRay = mockGetMouseRay
+	mock.GetMouseWheelMove = mockGetMouseWheelMove
+	mock.GetCharPressed = mockGetCharPressed
+}
+
+func resetMockInput() {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	mockInput.keyPressed = make(map[int32]bool)
+	mockInput.keyDown = make(map[int32]bool)
+	mockInput.mousePressed = make(map[int32]bool)
+	mockInput.mousePosition = rl.Vector2{}
+	mockInput.mouseRay = rl.Ray{}
+	mockInput.mouseWheel = 0
+	mockInput.charPressed = 0
+}
+
+// Mock input simulation functions
+func simulateKeyPress(key int32) {
+	mockInput.Lock()
+	mockInput.keyPressed[key] = true
+	mockInput.Unlock()
+}
+
+func simulateKeyDown(key int32, isDown bool) {
+	mockInput.Lock()
+	mockInput.keyDown[key] = isDown
+	mockInput.Unlock()
+}
+
+func simulateMouseButton(button int32, isPressed bool) {
+	mockInput.Lock()
+	mockInput.mousePressed[button] = isPressed
+	mockInput.Unlock()
+}
+
+func simulateMousePosition(x, y float32) {
+	mockInput.Lock()
+	mockInput.mousePosition = rl.Vector2{X: x, Y: y}
+	mockInput.Unlock()
+}
+
+func simulateMouseRay(ray rl.Ray) {
+	mockInput.Lock()
+	mockInput.mouseRay = ray
+	mockInput.Unlock()
+}
+
+func simulateMouseWheel(move float32) {
+	mockInput.Lock()
+	mockInput.mouseWheel = move
+	mockInput.Unlock()
+}
+
+func simulateCharInput(char rune) {
+	mockInput.Lock()
+	mockInput.charPressed = char
+	mockInput.Unlock()
+}
+
+// Mock raylib functions
+func mockIsKeyPressed(key int32) bool {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.keyPressed[key]
+}
+
+func mockIsKeyDown(key int32) bool {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.keyDown[key]
+}
+
+func mockIsMouseButtonPressed(button int32) bool {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.mousePressed[button]
+}
+
+func mockGetMousePosition() rl.Vector2 {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.mousePosition
+}
+
+func mockGetMouseRay(mousePos rl.Vector2, camera rl.Camera3D) rl.Ray {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.mouseRay
+}
+
+func mockGetMouseWheelMove() float32 {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.mouseWheel
+}
+
+func mockGetCharPressed() rune {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.charPressed
+}
+
+// Add more mock implementations...
+
+// Add this helper function
+func toInt32(button rl.MouseButton) int32 {
+	return int32(button)
+}

game/test_setup.go

@@ -0,0 +1,26 @@
+package game
+
+import (
+	"testing"
+
+	"gitea.boner.be/bdnugget/goonscape/game/mock"
+	"gitea.boner.be/bdnugget/goonscape/game/testutils"
+)
+
+func setupTestEnvironment(t *testing.T) (*Game, func()) {
+	testutils.ResetMockInput()
+	testutils.SetupMockFunctions()
+
+	game := New()
+	game.input = &MockInput{}
+	game.Chat.input = &MockInput{} // Also inject mock input into chat
+
+	// Verify mock setup
+	if mock.IsKeyPressed == nil || mock.GetCharPressed == nil {
+		t.Fatal("Mock functions not properly initialized")
+	}
+
+	return game, func() {
+		testutils.ResetMockInput()
+	}
+}

game/testutils/helpers.go

@@ -0,0 +1,153 @@
+package testutils
+
+import (
+	"sync"
+
+	"gitea.boner.be/bdnugget/goonscape/game/mock"
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+var (
+	mockInput struct {
+		sync.Mutex
+		keyPressed    map[int32]bool
+		keyDown       map[int32]bool
+		mousePressed  map[int32]bool
+		mousePosition rl.Vector2
+		mouseRay      rl.Ray
+		mouseWheel    float32
+		charPressed   rune
+	}
+)
+
+func init() {
+	ResetMockInput()
+	SetupMockFunctions()
+}
+
+// SetupMockFunctions initializes mock functions
+func SetupMockFunctions() {
+	mock.IsKeyPressed = MockIsKeyPressed
+	mock.IsKeyDown = MockIsKeyDown
+	mock.IsMouseButtonPressed = MockIsMouseButtonPressed
+	mock.GetMousePosition = MockGetMousePosition
+	mock.GetMouseRay = MockGetMouseRay
+	mock.GetMouseWheelMove = MockGetMouseWheelMove
+	mock.GetCharPressed = MockGetCharPressed
+}
+
+// ResetMockInput resets all mock input states
+func ResetMockInput() {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	mockInput.keyPressed = make(map[int32]bool)
+	mockInput.keyDown = make(map[int32]bool)
+	mockInput.mousePressed = make(map[int32]bool)
+	mockInput.mousePosition = rl.Vector2{}
+	mockInput.mouseRay = rl.Ray{}
+	mockInput.mouseWheel = 0
+	mockInput.charPressed = 0
+}
+
+// SimulateKeyPress simulates a key press
+func SimulateKeyPress(key int32) {
+	mockInput.Lock()
+	mockInput.keyPressed[key] = true
+	mockInput.Unlock()
+}
+
+// SimulateKeyDown simulates holding a key down
+func SimulateKeyDown(key int32, isDown bool) {
+	mockInput.Lock()
+	mockInput.keyDown[key] = isDown
+	mockInput.Unlock()
+}
+
+// SimulateMouseButton simulates a mouse button press
+func SimulateMouseButton(button int32, isPressed bool) {
+	mockInput.Lock()
+	mockInput.mousePressed[button] = isPressed
+	mockInput.Unlock()
+}
+
+// SimulateMousePosition simulates mouse movement
+func SimulateMousePosition(x, y float32) {
+	mockInput.Lock()
+	mockInput.mousePosition = rl.Vector2{X: x, Y: y}
+	mockInput.Unlock()
+}
+
+// SimulateMouseClick simulates a mouse click at the given position
+func SimulateMouseClick(x, y float32) {
+	SimulateMousePosition(x, y)
+	SimulateMouseButton(ToInt32(rl.MouseLeftButton), true)
+}
+
+// SimulateMouseRay simulates a mouse ray
+func SimulateMouseRay(ray rl.Ray) {
+	mockInput.Lock()
+	mockInput.mouseRay = ray
+	mockInput.Unlock()
+}
+
+// SimulateMouseWheel simulates mouse wheel movement
+func SimulateMouseWheel(move float32) {
+	mockInput.Lock()
+	mockInput.mouseWheel = move
+	mockInput.Unlock()
+}
+
+// SimulateCharInput simulates character input
+func SimulateCharInput(char rune) {
+	mockInput.Lock()
+	mockInput.charPressed = char
+	mockInput.Unlock()
+}
+
+// Mock raylib functions
+func MockIsKeyPressed(key int32) bool {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.keyPressed[key]
+}
+
+func MockIsKeyDown(key int32) bool {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.keyDown[key]
+}
+
+func MockIsMouseButtonPressed(button int32) bool {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.mousePressed[button]
+}
+
+func MockGetMousePosition() rl.Vector2 {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.mousePosition
+}
+
+func MockGetMouseRay(mousePos rl.Vector2, camera rl.Camera3D) rl.Ray {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.mouseRay
+}
+
+func MockGetMouseWheelMove() float32 {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.mouseWheel
+}
+
+func MockGetCharPressed() rune {
+	mockInput.Lock()
+	defer mockInput.Unlock()
+	return mockInput.charPressed
+}
+
+// ToInt32 converts MouseButton to int32
+func ToInt32(button rl.MouseButton) int32 {
+	return int32(button)
+}

go.mod

@@ -8,8 +8,15 @@ require (
 	google.golang.org/protobuf v1.36.3
 )
 
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
+
 require (
 	github.com/ebitengine/purego v0.8.2 // indirect
+	github.com/stretchr/testify v1.10.0
 	golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8 // indirect
 	golang.org/x/sys v0.29.0 // indirect
 )

go.sum

@@ -1,12 +1,21 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/ebitengine/purego v0.8.2 h1:jPPGWs2sZ1UgOSgD2bClL0MJIqu58nOmIcBuXr62z1I=
 github.com/ebitengine/purego v0.8.2/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
 github.com/gen2brain/raylib-go/raylib v0.0.0-20250109172833-6dbba4f81a9b h1:JJfspevP3YOXcSKVABizYOv++yMpTJIdPUtoDzF/RWw=
 github.com/gen2brain/raylib-go/raylib v0.0.0-20250109172833-6dbba4f81a9b/go.mod h1:BaY76bZk7nw1/kVOSQObPY1v1iwVE1KHAGMfvI6oK1Q=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8 h1:yqrTHse8TCMW1M1ZCP+VAR/l0kKxwaAIqN/il7x4voA=
 golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8/go.mod h1:tujkw807nyEEAamNbDrEGzRav+ilXA7PCRAd6xsmwiU=
 golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
 golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 google.golang.org/protobuf v1.36.3 h1:82DV7MYdb8anAVi3qge1wSnMDrnKK7ebr+I0hHRN1BU=
 google.golang.org/protobuf v1.36.3/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=