feat: Initial clean release of CHM

packages/app-mobile/utils/makeShowMessageBox.test.ts

@@ -0,0 +1,41 @@
+import { MessageBoxType } from '@joplin/lib/shim';
+import { DialogControl } from '../components/DialogManager';
+import { PromptButtonSpec } from '../components/DialogManager/types';
+import makeShowMessageBox from './makeShowMessageBox';
+
+type OnPrompt = (buttons: PromptButtonSpec[], onDismiss: ()=> void)=> void;
+const makeMockDialogControl = (onPrompt: OnPrompt): DialogControl => {
+	return {
+		info: jest.fn(),
+		error: jest.fn(),
+		prompt: jest.fn((_title, _message, buttons, options) => {
+			onPrompt(buttons, options.onDismiss);
+		}),
+		promptForText: jest.fn(),
+		showMenu: jest.fn(),
+	};
+};
+
+describe('makeShowMessageBox', () => {
+	test('should resolve with the index of the selected button', async () => {
+		const dialogControl = makeMockDialogControl(buttons => {
+			buttons.find(button => button.text === 'OK').onPress();
+		});
+		const showMessageBox = makeShowMessageBox({ current: dialogControl });
+
+		const okButtonIndex = 0;
+		expect(await showMessageBox('test')).toBe(okButtonIndex);
+	});
+
+	test('should resolve to the index of the cancel button when cancelled', async () => {
+		const dialogControl = makeMockDialogControl((_buttons, onDismiss) => {
+			// Cancel
+			onDismiss();
+		});
+
+		const showMessageBox = makeShowMessageBox({ current: dialogControl });
+		expect(await showMessageBox('test')).toBe(1); // Cancel button index
+		// Should resolve to -1 when there is no cancel button
+		expect(await showMessageBox('test', { type: MessageBoxType.Error })).toBe(-1);
+	});
+});