Mock a pinia store using vitest

mock-pinia-with-vitest.ts

import { beforeEach, describe, it, expect } from 'vitest';
import { fn } from '@vitest/spy';
import { useSomeStore } from '@/useSomeStore';
import { createTestingPinia } from '@pinia/testing';
import { setActivePinia } from 'pinia';

describe('useCreditStore - Test with Mocked Getter', () => {
	let mockCreditStore: Record<string, any>;

	beforeEach(() => {
		const pinia = setActivePinia(
			createTestingPinia({
				createSpy: fn,
			})
		);

		mockCreditStore = useSomeStore(pinia);
	});

	it('should return the mocked creditAmount', () => {
		// Override pinia getter
		mockCreditStore.creditAmount = 5000;
		expect(mockCreditStore.creditAmount).toBe(5000);
	});
});