test: Add unit tests for processChatDisabled function

__tests__/services/BlockService/ChatDisabledProcessor.test.ts

@@ -0,0 +1,65 @@
+import { processChatDisabled } from '../../../src/services/BlockService/ChatDisabledProcessor'; 
+import { Block } from '../../../src/types/Block';
+import { Params } from '../../../src/types/Params';
+
+describe('processChatDisabled', () => {
+	let mockSetTextAreaDisabled: jest.Mock;
+	let params: Params;
+
+	beforeEach(() => {
+		mockSetTextAreaDisabled = jest.fn();
+		params = {} as Params;
+	});
+
+	afterEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('should not change textarea state if chatDisabled is null', async () => {
+		const block= { chatDisabled: null } as unknown as Block;
+
+		await processChatDisabled(block, mockSetTextAreaDisabled, params);
+
+		expect(mockSetTextAreaDisabled).not.toHaveBeenCalled();
+	});
+
+	it('should not change textarea state if chatDisabled is undefined', async () => {
+		const block: Block = { chatDisabled: undefined };
+
+		await processChatDisabled(block, mockSetTextAreaDisabled, params);
+
+		expect(mockSetTextAreaDisabled).not.toHaveBeenCalled();
+	});
+
+	it('should set textarea disabled state to true if chatDisabled is true', async () => {
+		const block: Block = { chatDisabled: true };
+
+		await processChatDisabled(block, mockSetTextAreaDisabled, params);
+
+		expect(mockSetTextAreaDisabled).toHaveBeenCalledWith(true);
+	});
+
+	it('should set textarea disabled state to false if chatDisabled is false', async () => {
+		const block: Block = { chatDisabled: false };
+
+		await processChatDisabled(block, mockSetTextAreaDisabled, params);
+
+		expect(mockSetTextAreaDisabled).toHaveBeenCalledWith(false);
+	});
+
+	it('should call chatDisabled function and set textarea state accordingly', async () => {
+		const block: Block = { chatDisabled: jest.fn(() => false) };
+
+		await processChatDisabled(block, mockSetTextAreaDisabled, params);
+
+		expect(mockSetTextAreaDisabled).toHaveBeenCalledWith(false);
+	});
+
+	it('should handle async chatDisabled function correctly', async () => {
+		const block: Block = { chatDisabled: jest.fn(async () => true) };
+
+		await processChatDisabled(block, mockSetTextAreaDisabled, params);
+
+		expect(mockSetTextAreaDisabled).toHaveBeenCalledWith(true);
+	});
+});