text: import uuid
  
  from hc.api.models import Channel, Check
  from hc.test import BaseTestCase
  
  
  class UpdateCheckTestCase(BaseTestCase):
      def setUp(self):
          super(UpdateCheckTestCase, self).setUp()
          self.check = Check.objects.create(project=self.project)
  
      def post(self, code, data):
          url = "/api/v1/checks/%s" % code
          return self.client.post(url, data, content_type="application/json")
  
      def test_it_works(self):
          r = self.post(
              self.check.code,
              {
                  "api_key": "X" * 32,
                  "name": "Foo",
                  "tags": "bar,baz",
                  "desc": "My description",
                  "timeout": 3600,
                  "grace": 60,
              },
          )
  
          self.assertEqual(r.status_code, 200)
          self.assertEqual(r["Access-Control-Allow-Origin"], "*")
  
          doc = r.json()
          assert "ping_url" in doc
          self.assertEqual(doc["name"], "Foo")
          self.assertEqual(doc["tags"], "bar,baz")
          self.assertEqual(doc["desc"], "My description")
          self.assertEqual(doc["last_ping"], None)
          self.assertEqual(doc["n_pings"], 0)
  
          self.assertTrue("schedule" not in doc)
          self.assertTrue("tz" not in doc)
  
          self.assertEqual(Check.objects.count(), 1)
  
          self.check.refresh_from_db()
          self.assertEqual(self.check.name, "Foo")
          self.assertEqual(self.check.tags, "bar,baz")
          self.assertEqual(self.check.timeout.total_seconds(), 3600)
          self.assertEqual(self.check.grace.total_seconds(), 60)
  
      def test_it_handles_options(self):
          r = self.client.options("/api/v1/checks/%s" % self.check.code)
          self.assertEqual(r.status_code, 204)
          self.assertIn("POST", r["Access-Control-Allow-Methods"])
  
      def test_it_unassigns_channels(self):
          Channel.objects.create(project=self.project)
          self.check.assign_all_channels()
  
          r = self.post(self.check.code, {"api_key": "X" * 32, "channels": ""})
  
          self.assertEqual(r.status_code, 200)
          check = Check.objects.get()
          self.assertEqual(check.channel_set.count(), 0)
  
      def test_it_requires_post(self):
          url = "/api/v1/checks/%s" % self.check.code
          r = self.client.get(url, HTTP_X_API_KEY="X" * 32)
          self.assertEqual(r.status_code, 405)
  
      def test_it_handles_invalid_uuid(self):
          r = self.post("not-an-uuid", {"api_key": "X" * 32})
          self.assertEqual(r.status_code, 404)
  
      def test_it_handles_missing_check(self):
          made_up_code = "07c2f548-9850-4b27-af5d-6c9dc157ec02"
          r = self.post(made_up_code, {"api_key": "X" * 32})
          self.assertEqual(r.status_code, 404)
  
      def test_it_validates_ownership(self):
          check = Check.objects.create(project=self.bobs_project, status="up")
  
          r = self.post(check.code, {"api_key": "X" * 32})
          self.assertEqual(r.status_code, 403)
  
      def test_it_updates_cron_to_simple(self):
          self.check.kind = "cron"
          self.check.schedule = "5 * * * *"
          self.check.save()
  
          r = self.post(self.check.code, {"api_key": "X" * 32, "timeout": 3600})
          self.assertEqual(r.status_code, 200)
  
          self.check.refresh_from_db()
          self.assertEqual(self.check.kind, "simple")
  
      def test_it_sets_single_channel(self):
          channel = Channel.objects.create(project=self.project)
          # Create another channel so we can test that only the first one
          # gets assigned:
          Channel.objects.create(project=self.project)
  
          r = self.post(
              self.check.code, {"api_key": "X" * 32, "channels": str(channel.code)}
          )
  
          self.assertEqual(r.status_code, 200)
  
          self.check.refresh_from_db()
          self.assertEqual(self.check.channel_set.count(), 1)
          self.assertEqual(self.check.channel_set.first().code, channel.code)
  
      def test_it_handles_comma_separated_channel_codes(self):
          c1 = Channel.objects.create(project=self.project)
          c2 = Channel.objects.create(project=self.project)
          r = self.post(
              self.check.code,
              {"api_key": "X" * 32, "channels": "%s,%s" % (c1.code, c2.code)},
          )
  
          self.assertEqual(r.status_code, 200)
  
          self.check.refresh_from_db()
          self.assertEqual(self.check.channel_set.count(), 2)
  
      def test_it_handles_asterix(self):
          Channel.objects.create(project=self.project)
          Channel.objects.create(project=self.project)
          r = self.post(self.check.code, {"api_key": "X" * 32, "channels": "*"})
  
          self.assertEqual(r.status_code, 200)
  
          self.check.refresh_from_db()
          self.assertEqual(self.check.channel_set.count(), 2)
  
      def test_it_ignores_channels_if_channels_key_missing(self):
          Channel.objects.create(project=self.project)
          self.check.assign_all_channels()
  
          r = self.post(self.check.code, {"api_key": "X" * 32})
          self.assertEqual(r.status_code, 200)
          check = Check.objects.get()
          self.assertEqual(check.channel_set.count(), 1)
  
      def test_it_rejects_bad_channel_code(self):
          r = self.post(
              self.check.code, {"api_key": "X" * 32, "channels": str(uuid.uuid4())}
          )
  
          self.assertEqual(r.status_code, 400)
  
          self.check.refresh_from_db()
          self.assertEqual(self.check.channel_set.count(), 0)
  
      def test_it_rejects_non_uuid_channel_code(self):
          r = self.post(self.check.code, {"api_key": "X" * 32, "channels": "foo"})
  
          self.assertEqual(r.status_code, 400)
  
          self.check.refresh_from_db()
          self.assertEqual(self.check.channel_set.count(), 0)
  
      def test_it_rejects_non_string_channels_key(self):
          r = self.post(self.check.code, {"api_key": "X" * 32, "channels": None})
  
          self.assertEqual(r.status_code, 400)
  
      def test_it_rejects_non_string_desc(self):
          r = self.post(self.check.code, {"api_key": "X" * 32, "desc": 123})
  
          self.assertEqual(r.status_code, 400)
  
      def test_it_validates_cron_expression(self):
          self.check.kind = "cron"
          self.check.schedule = "5 * * * *"
          self.check.save()
  
          samples = ["* invalid *", "1,2 3,* * * *", "0 0 31 2 *"]
          for sample in samples:
              r = self.post(self.check.code, {"api_key": "X" * 32, "schedule": sample})
              self.assertEqual(r.status_code, 400, "Did not reject '%s'" % sample)
  
          # Schedule should be unchanged
          self.check.refresh_from_db()
          self.assertEqual(self.check.schedule, "5 * * * *")
  