orders test case added

Author: ssamkil

items/tests.py

@@ -2,7 +2,6 @@
 import jwt
 from django.test import TestCase, Client
 from django.core.cache import cache
-
 from my_settings import SECRET_KEY, ALGORITHM
 from items.models import Item, Category, Review
 from users.models import User

orders/tests.py

@@ -1,3 +1,98 @@
-from django.test import TestCase
+import json
+import jwt
+import uuid
+from django.test import TestCase, Client
+from my_settings import SECRET_KEY, ALGORITHM
+from users.models import User
+from items.models import Item, Category
+from carts.models import Cart
+from .models import Order, OrderItem, OrderStatus
 
-# Create your tests here.
+class OrderTest(TestCase):
+    def setUp(self):
+        self.client = Client()
+
+        self.user = User.objects.create(
+            name='홍길동',
+            email='test@test.com',
+            password='12345678'
+        )
+        self.category = Category.objects.create(name='test_cat', thumbnail='test.jpg')
+        self.item = Item.objects.create(
+            name='테스트 상품',
+            price=1000,
+            quantity=10,
+            category=self.category
+        )
+
+        OrderStatus.objects.create(id=1, status='PENDING')
+        OrderStatus.objects.create(id=2, status='COMPLETED')
+        OrderStatus.objects.create(id=3, status='DECLINED')
+
+        self.token = jwt.encode({'id': self.user.id}, SECRET_KEY, ALGORITHM)
+        self.headers = {'HTTP_AUTHORIZATION': self.token}
+
+    def test_order_post_success(self):
+        Cart.objects.create(user=self.user, item=self.item, quantity=2)
+
+        data = {'address': '서울시 강남구'}
+        response = self.client.post(
+            '/orders/',
+            data=json.dumps(data),
+            content_type='application/json',
+            **self.headers
+        )
+
+        self.assertEqual(response.status_code, 201)
+        self.assertEqual(response.json()['MESSAGE'], 'ORDER_RESERVED')
+
+        self.item.refresh_from_db()
+        self.assertEqual(self.item.quantity, 8)
+        self.assertFalse(Cart.objects.filter(user=self.user).exists())
+
+    def test_order_post_empty_cart_error(self):
+        data = {'address': '서울시 강남구'}
+        response = self.client.post(
+            '/orders/',
+            data=json.dumps(data),
+            content_type='application/json',
+            **self.headers
+        )
+
+        self.assertEqual(response.status_code, 400)
+        self.assertEqual(response.json()['MESSAGE'], 'EMPTY_CART')
+
+    def test_order_post_insufficient_stock_error(self):
+        Cart.objects.create(user=self.user, item=self.item, quantity=20)
+
+        data = {'address': '서울시 강남구'}
+        response = self.client.post(
+            '/orders/',
+            data=json.dumps(data),
+            content_type='application/json',
+            **self.headers
+        )
+
+        self.assertEqual(response.status_code, 400)
+        self.assertIn('INSUFFICIENT_STOCK', response.json()['ERROR'])
+
+    def test_order_get_success(self):
+        order = Order.objects.create(
+            user=self.user,
+            address='서울시 강남구',
+            order_number=str(uuid.uuid4()),
+            order_status_id=1
+        )
+        OrderItem.objects.create(order=order, item=self.item, quantity=1)
+
+        response = self.client.get(f'/orders/{order.id}/', **self.headers)
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.json()['RESULT']['address'], '서울시 강남구')
+        self.assertEqual(response.json()['RESULT']['total_price'], 1000.0)
+
+    def test_order_get_not_found_error(self):
+        response = self.client.get('/orders/999/', **self.headers)
+
+        self.assertEqual(response.status_code, 404)
+        self.assertEqual(response.json()['MESSAGE'], 'ORDER_NOT_FOUND')