add test

toh/hero/tests.py

@@ -1,3 +1,22 @@
-from django.test import TestCase
+class HeroTestCase(TestCase):
+    def setUp(self) -> None:
+        Hero.objects.create(name='Superman')
+        Hero.objects.create(name='Batman')
+        Hero.objects.create(name='Ironman')
 
-# Create your tests here.
+    def test_hero_count(self):
+        self.assertEqual(Hero.objects.all().count(), 3)
+
+    def test_hero_id(self) -> None:
+        client = Client()
+        response = client.get('/hero/1/')
+
+        self.assertEqual(response.status_code, 200)
+        self.assertIn('1', response.content.decode())
+    def test_response_request(self) -> None:
+        client = Client()
+        first_response = client.get('/hero/')
+        second_response = client.get('/hero/')
+
+        self.assertIn('1', first_response.content.decode())
+        self.assertIn('2', second_response.content.decode())