text: import tempfile
  
  from PIL import Image
  from test_plus.test import TestCase
  from django.urls import reverse
  from django.test import override_settings
  
  from questioning.articles.models import Article
  
  
  def get_temp_img():
      """生成临时文件并打开"""
      size = (200, 200)
      color = (255, 0, 0, 0)
      with tempfile.NamedTemporaryFile(suffix=".png", delete=False) as f:
          image = Image.new("RGB", size, color)
          image.save(f, "PNG")
      return open(f.name, mode="rb")
  
  
  class ArticlesViewsTest(TestCase):
      def setUp(self) -> None:
          self.user = self.make_user()
          self.client.login(username="testuser", password="password")
          self.article = Article.objects.create(
              title="第一篇文章",
              content="程序员梦工厂",
              status="P",
              user=self.user,
          )
          self.test_image = get_temp_img()
  
      def tearDown(self) -> None:
          self.test_image.close()
  
      def test_index_articles(self):
          """测试文章列表页"""
          response = self.client.get(reverse('articles:list'))
          self.assertEqual(response.status_code, 200)
  
      def test_error_404(self):
          """访问一篇不存在的文章"""
          response_no_page = self.client.get(reverse("articles:article", kwargs={"pk": "55"}))
          self.assertEqual(response_no_page.status_code, 404)
  
      @override_settings(MEDIA_ROOT=tempfile.gettempdir())  # 重写settings.py文件中MEDIA_ROOT
      def test_create_article(self):
          """测试文章创建成功后跳转"""
          response = self.client.post(reverse("articles:write_new"),
                                      {"title": "这是文章标题1",
                                       "content": "这是文章内容1",
                                       "tags": "测试",
                                       "status": "P",
                                       "image": self.test_image})
          assert response.status_code == 302
  
  
      @override_settings(MEDIA_ROOT=tempfile.gettempdir())
      def test_draft_article(self):
          """测试草稿箱功能"""
          response = self.client.post(reverse("articles:write_new"),
                                      {"title": "草稿文章",
                                       "content": "草稿箱的文章",
                                       "tags": "测试",
                                       "status": "D",
                                       "image": self.test_image})
          resp = self.client.get(reverse("articles:drafts"))
          assert resp.status_code == 200
          assert response.status_code == 302
  