test: adding unit tests for buttonBuilder (#251)

__tests__/utils/buttonBuilder.test.ts

@@ -0,0 +1,95 @@
+import { getButtonConfig, createAudioButton, createNotificationButton, createCloseChatButton, createVoiceButton,
+	createSendButton, createFileAttachmentButton, createEmojiButton} from "../../src/utils/buttonBuilder";
+import { Button} from "../../src";
+
+jest.mock("../../src/viteconfig", () => ({
+	viteConfig: {
+		DEFAULT_URL: "http://localhost:mock",
+		DEFAULT_EXPIRATION: "60",
+		CACHE_KEY_PREFIX: "VITE_THEME_CACHE_KEY_PREFIX",
+	},
+}));
+
+const mockLocalStorage = (() => {
+	let store: { [key: string]: string } = {};
+	return {
+		getItem: (key: string) => store[key] || null,
+		setItem: (key: string, value: string) => {
+			store[key] = value.toString();
+		},
+		clear: () => {
+			store = {};
+		},
+	};
+})();
+
+if (typeof window !== 'undefined') {
+    Object.defineProperty(window, 'localStorage', {
+        value: mockLocalStorage,
+    });
+}
+
+describe('getButtonConfig', () => {
+	const buttonComponentMap = {
+		[Button.AUDIO_BUTTON]: createAudioButton,
+		[Button.NOTIFICATION_BUTTON]: createNotificationButton,
+		[Button.CLOSE_CHAT_BUTTON]: createCloseChatButton,
+		[Button.VOICE_MESSAGE_BUTTON]: createVoiceButton,
+		[Button.SEND_MESSAGE_BUTTON]: createSendButton,
+		[Button.FILE_ATTACHMENT_BUTTON]: createFileAttachmentButton,
+		[Button.EMOJI_PICKER_BUTTON]: createEmojiButton
+	};
+
+	const baseSettings = {
+		audio: { disabled: false },
+		general: { embedded: false },
+		emoji: { disabled: false },
+		fileAttachment: { disabled: false },
+		notification: { disabled: false },
+		voice: { disabled: false },
+		header: { buttons: [Button.AUDIO_BUTTON, Button.EMOJI_PICKER_BUTTON] },
+		chatInput: { buttons: [Button.SEND_MESSAGE_BUTTON, Button.CLOSE_CHAT_BUTTON] },
+		footer: { buttons: [Button.VOICE_MESSAGE_BUTTON]}
+	};
+
+	it('should return buttons based on settings', () => {
+		const buttonConfig = getButtonConfig(baseSettings, buttonComponentMap);
+
+		expect(buttonConfig.header).toHaveLength(2); // Expect two header buttons
+		expect(buttonConfig.header[0]).toBeTruthy(); // Check if the first header button is rendered
+		expect(buttonConfig.chatInput).toHaveLength(2); // Expect two chat input buttons
+		expect(buttonConfig.footer).toHaveLength(1); // Expect one footer button
+	});
+
+	it('should handle disabled buttons correctly', () => {
+		const alteredSettings = {
+			...baseSettings,
+			audio: { disabled: true }, // Disabling audio button
+			closeChat: { disabled: true },
+			general: {
+				embedded: true
+			}// Disabling close chat button
+		};
+
+		const buttonConfig = getButtonConfig(alteredSettings, buttonComponentMap);
+
+		expect(buttonConfig.header).toHaveLength(1); // Only emoji button should be present
+		expect(buttonConfig.chatInput).toHaveLength(1); // Only the send button should be present
+		expect(buttonConfig.footer).toHaveLength(1); // Voice button should still be there
+	});
+
+	it('should handle missing button configurations', () => {
+		const emptySettings = {
+			...baseSettings,
+			header: { buttons: [] }, // No header buttons defined
+			chatInput: { buttons: [] }, // No chat input buttons defined
+			footer: { buttons: [] } // No footer buttons defined
+		};
+
+		const buttonConfig = getButtonConfig(emptySettings, buttonComponentMap);
+
+		expect(buttonConfig.header).toHaveLength(0); // Should be empty
+		expect(buttonConfig.chatInput).toHaveLength(0); // Should be empty
+		expect(buttonConfig.footer).toHaveLength(0); // Should be empty
+	});
+});