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tests/test_input_handler.gd

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+extends Node
+## 输入处理器测试
+## Feature: godot-ai-town-game, Property 17: 设备类型检测
+
+const TEST_ITERATIONS = 100
+
+func _ready():
+	print("\n=== InputHandler Tests ===")
+	test_property_device_detection()
+	test_keyboard_input()
+	test_input_signals()
+	print("=== All InputHandler tests completed ===\n")
+
+## Feature: godot-ai-town-game, Property 17: 设备类型检测
+func test_property_device_detection():
+	"""
+	属性测试：设备类型检测
+	对于任意设备类型（桌面或移动），系统应该正确检测设备类型
+	并应用相应的控制方案（键盘或触摸）
+	"""
+	print("\n[Property Test] Device Type Detection")
+	
+	var passed = 0
+	var failed = 0
+	
+	for i in range(TEST_ITERATIONS):
+		var input_handler = InputHandler.new()
+		add_child(input_handler)
+		
+		await get_tree().process_frame
+		
+		# 获取检测到的设备类型
+		var device_type = input_handler.get_device_type()
+		
+		# 验证设备类型是有效的
+		var valid_device = device_type in [
+			InputHandler.DeviceType.DESKTOP,
+			InputHandler.DeviceType.MOBILE,
+			InputHandler.DeviceType.UNKNOWN
+		]
+		
+		if valid_device:
+			passed += 1
+		else:
+			failed += 1
+			print("  FAILED iteration ", i + 1)
+			print("    Invalid device type: ", device_type)
+		
+		input_handler.queue_free()
+		await get_tree().process_frame
+	
+	print("  Result: ", passed, "/", TEST_ITERATIONS, " passed")
+	if failed > 0:
+		print("  ❌ FAILED: ", failed, " iterations failed")
+	else:
+		print("  ✅ PASSED: All iterations successful")
+
+## Feature: godot-ai-town-game, Property 11: 键盘输入响应
+func test_keyboard_input():
+	"""
+	单元测试：键盘输入响应
+	测试键盘输入是否正确转换为方向向量
+	"""
+	print("\n[Unit Test] Keyboard Input Response")
+	
+	var input_handler = InputHandler.new()
+	add_child(input_handler)
+	
+	await get_tree().process_frame
+	
+	# 测试获取移动方向（在没有实际按键的情况下应该返回零向量）
+	var direction = input_handler.get_move_direction()
+	assert(direction == Vector2.ZERO, "Direction should be zero when no input")
+	
+	# 测试交互键（应该返回 false）
+	var interact = input_handler.is_interact_pressed()
+	assert(interact == false, "Interact should be false when not pressed")
+	
+	print("  ✅ PASSED: Keyboard input methods work correctly")
+	
+	input_handler.queue_free()
+	await get_tree().process_frame
+
+## 测试输入信号
+func test_input_signals():
+	"""
+	单元测试：输入信号
+	测试输入处理器是否正确发射信号
+	"""
+	print("\n[Unit Test] Input Signals")
+	
+	var signal_data = {
+		"move_received": false,
+		"interact_received": false,
+		"device_received": false
+	}
+	
+	var input_handler = InputHandler.new()
+	
+	# 在添加到场景树之前连接信号
+	input_handler.move_input.connect(func(_dir): signal_data["move_received"] = true)
+	input_handler.interact_input.connect(func(): signal_data["interact_received"] = true)
+	input_handler.device_detected.connect(func(_dev): signal_data["device_received"] = true)
+	
+	add_child(input_handler)
+	await get_tree().process_frame
+	
+	# 设备检测信号应该在初始化时已经发射
+	assert(signal_data["device_received"], "Device detection signal should be emitted")
+	
+	print("  ✅ PASSED: Input signals work correctly")
+	
+	input_handler.queue_free()
+	await get_tree().process_frame