text: #!/usr/bin/env python
  #
  # Copyright 2016 Confluent Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  
  
  #
  # derived from https://github.com/verisign/python-confluent-schemaregistry.git
  #
  
  import unittest
  
  from tests.avro import mock_registry
  from tests.avro import data_gen
  from confluent_kafka.avro.cached_schema_registry_client import CachedSchemaRegistryClient
  from confluent_kafka import avro
  
  
  class TestCacheSchemaRegistryClient(unittest.TestCase):
      def setUp(self):
          self.server = mock_registry.ServerThread(0)
          self.server.start()
          self.client = CachedSchemaRegistryClient('http://127.0.0.1:' + str(self.server.server.server_port))
  
      def tearDown(self):
          self.server.shutdown()
          self.server.join()
  
      def test_register(self):
          parsed = avro.loads(data_gen.BASIC_SCHEMA)
          client = self.client
          schema_id = client.register('test', parsed)
          self.assertTrue(schema_id > 0)
          self.assertEqual(len(client.id_to_schema), 1)
  
      def test_multi_subject_register(self):
          parsed = avro.loads(data_gen.BASIC_SCHEMA)
          client = self.client
          schema_id = client.register('test', parsed)
          self.assertTrue(schema_id > 0)
  
          # register again under different subject
          dupe_id = client.register('other', parsed)
          self.assertEqual(schema_id, dupe_id)
          self.assertEqual(len(client.id_to_schema), 1)
  
      def test_dupe_register(self):
          parsed = avro.loads(data_gen.BASIC_SCHEMA)
          subject = 'test'
          client = self.client
          schema_id = client.register(subject, parsed)
          self.assertTrue(schema_id > 0)
          latest = client.get_latest_schema(subject)
  
          # register again under same subject
          dupe_id = client.register(subject, parsed)
          self.assertEqual(schema_id, dupe_id)
          dupe_latest = client.get_latest_schema(subject)
          self.assertEqual(latest, dupe_latest)
  
      def assertLatest(self, meta_tuple, sid, schema, version):
          self.assertNotEqual(sid, -1)
          self.assertNotEqual(version, -1)
          self.assertEqual(meta_tuple[0], sid)
          self.assertEqual(meta_tuple[1], schema)
          self.assertEqual(meta_tuple[2], version)
  
      def test_getters(self):
          parsed = avro.loads(data_gen.BASIC_SCHEMA)
          client = self.client
          subject = 'test'
          version = client.get_version(subject, parsed)
          self.assertEqual(version, None)
          schema = client.get_by_id(1)
          self.assertEqual(schema, None)
          latest = client.get_latest_schema(subject)
          self.assertEqual(latest, (None, None, None))
  
          # register
          schema_id = client.register(subject, parsed)
          latest = client.get_latest_schema(subject)
          version = client.get_version(subject, parsed)
          self.assertLatest(latest, schema_id, parsed, version)
  
          fetched = client.get_by_id(schema_id)
          self.assertEqual(fetched, parsed)
  
      def test_multi_register(self):
          basic = avro.loads(data_gen.BASIC_SCHEMA)
          adv = avro.loads(data_gen.ADVANCED_SCHEMA)
          subject = 'test'
          client = self.client
  
          id1 = client.register(subject, basic)
          latest1 = client.get_latest_schema(subject)
          v1 = client.get_version(subject, basic)
          self.assertLatest(latest1, id1, basic, v1)
  
          id2 = client.register(subject, adv)
          latest2 = client.get_latest_schema(subject)
          v2 = client.get_version(subject, adv)
          self.assertLatest(latest2, id2, adv, v2)
  
          self.assertNotEqual(id1, id2)
          self.assertNotEqual(latest1, latest2)
          # ensure version is higher
          self.assertTrue(latest1[2] < latest2[2])
  
          client.register(subject, basic)
          latest3 = client.get_latest_schema(subject)
          # latest should not change with a re-reg
          self.assertEqual(latest2, latest3)
  
      def hash_func(self):
          return hash(str(self))
  
      def test_cert_no_key(self):
          with self.assertRaises(ValueError):
              self.client = CachedSchemaRegistryClient(url='https://127.0.0.1:65534',
                                                       cert_location='/path/to/cert')
  
      def test_cert_with_key(self):
          self.client = CachedSchemaRegistryClient(url='https://127.0.0.1:65534',
                                                   cert_location='/path/to/cert',
                                                   key_location='/path/to/key')
          self.assertTupleEqual(('/path/to/cert', '/path/to/key'), self.client._session.cert)
  
      def test_cert_path(self):
          self.client = CachedSchemaRegistryClient(url='https://127.0.0.1:65534',
                                                   ca_location='/path/to/ca')
          self.assertEqual('/path/to/ca', self.client._session.verify)
  
      def test_context(self):
          with self.client as c:
              parsed = avro.loads(data_gen.BASIC_SCHEMA)
              schema_id = c.register('test', parsed)
              self.assertTrue(schema_id > 0)
              self.assertEqual(len(c.id_to_schema), 1)
  
      def test_init_with_dict(self):
          self.client = CachedSchemaRegistryClient({
              'url': 'https://127.0.0.1:65534',
              'ssl.certificate.location': '/path/to/cert',
              'ssl.key.location': '/path/to/key'
          })
          self.assertEqual('https://127.0.0.1:65534', self.client.url)
  
      def test_empty_url(self):
          with self.assertRaises(ValueError):
              self.client = CachedSchemaRegistryClient({
                  'url': ''
              })
  
      def test_invalid_type_url(self):
          with self.assertRaises(TypeError):
              self.client = CachedSchemaRegistryClient(
                  url=1)
  
      def test_invalid_type_url_dict(self):
          with self.assertRaises(TypeError):
              self.client = CachedSchemaRegistryClient({
                  "url": 1
                  })
  
      def test_invalid_url(self):
          with self.assertRaises(ValueError):
              self.client = CachedSchemaRegistryClient({
                  'url': 'example.com:65534'
              })
  
      def test_basic_auth_url(self):
          self.client = CachedSchemaRegistryClient({
              'url': 'https://user_url:secret_url@127.0.0.1:65534',
          })
          self.assertTupleEqual(('user_url', 'secret_url'), self.client._session.auth)
  
      def test_basic_auth_userinfo(self):
          self.client = CachedSchemaRegistryClient({
              'url': 'https://user_url:secret_url@127.0.0.1:65534',
              'basic.auth.credentials.source': 'user_info',
              'basic.auth.user.info': 'user_userinfo:secret_userinfo'
          })
          self.assertTupleEqual(('user_userinfo', 'secret_userinfo'), self.client._session.auth)
  
      def test_basic_auth_sasl_inherit(self):
          self.client = CachedSchemaRegistryClient({
              'url': 'https://user_url:secret_url@127.0.0.1:65534',
              'basic.auth.credentials.source': 'SASL_INHERIT',
              'sasl.mechanism': 'PLAIN',
              'sasl.username': 'user_sasl',
              'sasl.password': 'secret_sasl'
          })
          self.assertTupleEqual(('user_sasl', 'secret_sasl'), self.client._session.auth)
  
      def test_basic_auth_invalid(self):
          with self.assertRaises(ValueError):
              self.client = CachedSchemaRegistryClient({
                  'url': 'https://user_url:secret_url@127.0.0.1:65534',
                  'basic.auth.credentials.source': 'VAULT',
              })
  
      def test_invalid_conf(self):
          with self.assertRaises(ValueError):
              self.client = CachedSchemaRegistryClient({
                  'url': 'https://user_url:secret_url@127.0.0.1:65534',
                  'basic.auth.credentials.source': 'SASL_INHERIT',
                  'sasl.username': 'user_sasl',
                  'sasl.password': 'secret_sasl',
                  'invalid.conf': 1,
                  'invalid.conf2': 2
              })
  