test: formMachine 단위 테스트 작업중

Author: BHyeonKim

src/features/order/models/formMachine.test.ts

@@ -0,0 +1,98 @@
+import {
+	type Mock,
+	afterEach,
+	beforeEach,
+	describe,
+	expect,
+	it,
+	vi,
+} from 'vitest';
+import { createActor } from 'xstate';
+
+import { api as userApi } from '~/entities/user';
+import { formMachine } from './form.machine';
+
+vi.mock('~/entities/user', () => ({
+	api: {
+		getUserInfo: vi.fn(),
+	},
+}));
+
+describe('formMachine 테스트', () => {
+	beforeEach(() => {
+		vi.resetAllMocks();
+	});
+
+	afterEach(() => {
+		vi.resetAllMocks();
+	});
+
+	it('초기에는 Empty Buy Form 상태이다.', () => {
+		const actor = createActor(formMachine);
+
+		actor.start();
+
+		expect(actor.getSnapshot().value).toBe('Empty Buy Form');
+		expect(actor.getSnapshot().context.tradeType).toBe('매수');
+		expect(actor.getSnapshot().context.orderType).toBe('지정가');
+		expect(actor.getSnapshot().context.price).toBe(undefined);
+		expect(actor.getSnapshot().context.quantity).toBe(undefined);
+		expect(actor.getSnapshot().context.message).toBe('');
+		expect(actor.getSnapshot().context.deposit).toBe(undefined);
+		expect(actor.getSnapshot().context.holdings).toBe(undefined);
+	});
+
+	it('사용자의 자산을 로드한다.', async () => {
+		const mockResponse = {
+			json: vi.fn().mockResolvedValue({
+				data: {
+					cash: 100000,
+					wallets: [
+						{ ticker: 'BTC', size: 1.5 },
+						{ ticker: 'ETH', size: 10 },
+					],
+				},
+			}),
+		};
+
+		(userApi.getUserInfo as Mock).mockResolvedValue(mockResponse);
+
+		const actor = createActor(formMachine);
+
+		actor.start();
+	});
+
+	it('SWITCH_TRADE_TYPE 이벤트가 발생하면 tradeType이 변경된다.', () => {
+		const actor = createActor(formMachine);
+
+		actor.start();
+
+		expect(actor.getSnapshot().value).toBe('Empty Buy Form');
+
+		actor.send({ type: 'SWITCH_TRADE_TYPE', tradeType: '매수' });
+
+		expect(actor.getSnapshot().value).toBe('Empty Sell Form');
+
+		actor.send({ type: 'SWITCH_TRADE_TYPE', tradeType: '매도' });
+
+		expect(actor.getSnapshot().value).toBe('Empty Buy Form');
+	});
+
+	// it('SWITCH_ORDER_TYPE 이벤트가 발생하면 orderType이 변경된다.', () => {
+	// 	const actor = createActor(formMachine);
+
+	// 	actor.start();
+
+	// 	expect(actor.getSnapshot().value).toBe('Empty Buy Form');
+
+	// 	actor.send({ type: 'SWITCH_ORDER_TYPE', orderType: '지정가' });
+
+	// 	expect(actor.getSnapshot().value).toBe('Empty Buy Form');
+	// 	expect(actor.getSnapshot().context.orderType).toBe('지정가');
+
+	// 	actor.send({ type: 'SWITCH_ORDER_TYPE', orderType: '시장가' });
+
+	// 	expect(actor.getSnapshot().value).toBe('Empty Buy Form');
+	// 	expect(actor.getSnapshot().context.orderType).toBe('시장가');
+	// });
+});