Непонятка с reverse

from django.contrib.auth import get_user_model
from django.test import Client,TestCase
from django.urls import reverse
from .models import Post
 
# Create your tests here.
class BlogTests(TestCase):
    def setUp(self):
        self.user=get_user_model().objects.create_user(username='testuser',email="test@email.com",password='secret')
        self.post=Post.objects.create(title="A good title",body="Nice body content",author=self.user)
 
    def test_string_representation(self):
        post=Post(title="A sample title")
        self.assertEqual(str(post),post.title)
 
    def test_post_content(self):
        self.assertEqual(f'{self.post.title}','A good title')
        self.assertEqual(f'{self.post.author}', 'testuser')
        self.assertEqual(f'{self.post.body}', 'Nice body content')
 
    def test_post_list_view(self):
        response=self.client.get(reverse('home'))
        self.assertEqual(response.status_code,200)
        #print(response)
        self.assertContains(response,'Nice body content')
        self.assertTemplateUsed(response,'home.html')
 
    def test_post_detail_view(self):
        response = self.client.get(reverse('/post/1/'))
        no_response=self.client.get(reverse('/post/100000'))
        self.assertEqual(response.status_code,200)
        self.assertEqual(no_response.status_code, 404)
        self.assertContains(response, 'A good title')
        self.assertTemplateUsed(response, 'post_detail.html')

response = self.client.get(reverse('/post/1/'))