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#!/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({
'url': '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_check_registration(self):
parsed = avro.loads(data_gen.BASIC_SCHEMA)
client = self.client
schema_id = client.register('test', parsed)
self.assertEqual(schema_id, client.check_registration('test', parsed))
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)
schema1 = client.get_by_version(subject, v1)
schema2 = client.get_by_version(subject, v2)
self.assertEqual(schema1, latest1)
self.assertEqual(schema2, latest2)
self.assertEqual(schema2, 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',
'ssl.certificate.location': '/path/to/cert',
})
def test_cert_with_key(self):
self.client = CachedSchemaRegistryClient({
'url': 'https://127.0.0.1:65534',
'ssl.certificate.location': '/path/to/cert',
'ssl.key.location': '/path/to/key'
})
self.assertTupleEqual(('/path/to/cert', '/path/to/key'), self.client._session.cert)
def test_key_no_cert(self):
with self.assertRaises(ValueError):
self.client = CachedSchemaRegistryClient({
'url': 'https://127.0.0.1:65534',
'ssl.key.location': '/path/to/key'
})
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_trailing_slash_removal(self):
self.client = CachedSchemaRegistryClient({
'url': 'http://127.0.0.1:65534/'
})
self.assertEqual(self.client.url, "http://127.0.0.1:65534")
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_sasl_inherit_invalid(self):
with self.assertRaises(ValueError) as e:
self.client = CachedSchemaRegistryClient({
'url': 'https://user_url:secret_url@127.0.0.1:65534',
'basic.auth.credentials.source': 'SASL_INHERIT',
'sasl.mechanism': 'gssapi' # also test the .upper()
})
self.assertEqual(str(e.exception), "SASL_INHERIT does not support SASL mechanism GSSAPI")
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
})
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