text: import requests
  from mock import Mock, patch
  
  from CTFd.utils import get_config, set_config
  from CTFd.utils.updates import update_check
  from tests.helpers import create_ctfd, destroy_ctfd, login_as_user
  
  
  def test_update_check_is_called():
      """Update checks happen on start"""
      app = create_ctfd()
      with app.app_context():
          assert get_config("version_latest") is None
  
  
  @patch.object(requests, "post")
  def test_update_check_identifies_update(fake_get_request):
      """Update checks properly identify new versions"""
      app = create_ctfd()
      with app.app_context():
          app.config["UPDATE_CHECK"] = True
          fake_response = Mock()
          fake_get_request.return_value = fake_response
          fake_response.json = lambda: {
              "resource": {
                  "download_url": "https://api.github.com/repos/CTFd/CTFd/zipball/9.9.9",
                  "html_url": "https://github.com/CTFd/CTFd/releases/tag/9.9.9",
                  "id": 12,
                  "latest": True,
                  "next": 1542212248,
                  "prerelease": False,
                  "published_at": "Wed, 25 Oct 2017 19:39:42 -0000",
                  "tag": "9.9.9",
              }
          }
          update_check()
          assert (
              get_config("version_latest")
              == "https://github.com/CTFd/CTFd/releases/tag/9.9.9"
          )
          assert get_config("next_update_check") == 1542212248
      destroy_ctfd(app)
  
  
  def test_update_check_notifies_user():
      """If an update is available, admin users are notified in the panel"""
      app = create_ctfd()
      with app.app_context():
          app.config["UPDATE_CHECK"] = True
          set_config("version_latest", "https://github.com/CTFd/CTFd/releases/tag/9.9.9")
          client = login_as_user(app, name="admin", password="password")
  
          r = client.get("/admin/config")
          assert r.status_code == 200
  
          response = r.get_data(as_text=True)
          assert "https://github.com/CTFd/CTFd/releases/tag/9.9.9" in response
  
      destroy_ctfd(app)
  
  
  @patch.object(requests, "post")
  def test_update_check_ignores_downgrades(fake_post_request):
      """Update checks do nothing on old or same versions"""
      app = create_ctfd()
      with app.app_context():
          app.config["UPDATE_CHECK"] = True
          fake_response = Mock()
          fake_post_request.return_value = fake_response
          fake_response.json = lambda: {
              u"resource": {
                  u"html_url": u"https://github.com/CTFd/CTFd/releases/tag/0.0.1",
                  u"download_url": u"https://api.github.com/repos/CTFd/CTFd/zipball/0.0.1",
                  u"published_at": u"Wed, 25 Oct 2017 19:39:42 -0000",
                  u"tag": u"0.0.1",
                  u"prerelease": False,
                  u"id": 6,
                  u"latest": True,
              }
          }
          update_check()
          assert get_config("version_latest") is None
  
          fake_response = Mock()
          fake_post_request.return_value = fake_response
          fake_response.json = lambda: {
              u"resource": {
                  u"html_url": u"https://github.com/CTFd/CTFd/releases/tag/{}".format(
                      app.VERSION
                  ),
                  u"download_url": u"https://api.github.com/repos/CTFd/CTFd/zipball/{}".format(
                      app.VERSION
                  ),
                  u"published_at": u"Wed, 25 Oct 2017 19:39:42 -0000",
                  u"tag": u"{}".format(app.VERSION),
                  u"prerelease": False,
                  u"id": 6,
                  u"latest": True,
              }
          }
          update_check()
          assert get_config("version_latest") is None
      destroy_ctfd(app)
  