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import ssl
from clickhouse_driver import Client
from clickhouse_driver.compression.lz4 import Compressor as LZ4Compressor
from clickhouse_driver.compression.lz4hc import Compressor as LZHC4Compressor
from clickhouse_driver.compression.zstd import Compressor as ZSTDCompressor
from clickhouse_driver.protocol import Compression
from tests.numpy.util import check_numpy
from tests.testcase import TestCase
class ClientFromUrlTestCase(TestCase):
def assertHostsEqual(self, client, another, msg=None):
self.assertEqual(list(client.connection.hosts), another, msg=msg)
def test_simple(self):
c = Client.from_url('clickhouse://host')
self.assertHostsEqual(c, [('host', 9000)])
self.assertEqual(c.connection.database, '')
c = Client.from_url('clickhouse://host/db')
self.assertHostsEqual(c, [('host', 9000)])
self.assertEqual(c.connection.database, 'db')
def test_credentials(self):
c = Client.from_url('clickhouse://host/db')
self.assertEqual(c.connection.user, 'default')
self.assertEqual(c.connection.password, '')
c = Client.from_url('clickhouse://admin:secure@host/db')
self.assertEqual(c.connection.user, 'admin')
self.assertEqual(c.connection.password, 'secure')
c = Client.from_url('clickhouse://user:@host/db')
self.assertEqual(c.connection.user, 'user')
self.assertEqual(c.connection.password, '')
def test_credentials_unquoting(self):
c = Client.from_url('clickhouse://ad%3Amin:se%2Fcure@host/db')
self.assertEqual(c.connection.user, 'ad:min')
self.assertEqual(c.connection.password, 'se/cure')
def test_schema(self):
c = Client.from_url('clickhouse://host')
self.assertFalse(c.connection.secure_socket)
c = Client.from_url('clickhouses://host')
self.assertTrue(c.connection.secure_socket)
c = Client.from_url('test://host')
self.assertFalse(c.connection.secure_socket)
def test_port(self):
c = Client.from_url('clickhouse://host')
self.assertHostsEqual(c, [('host', 9000)])
c = Client.from_url('clickhouses://host')
self.assertHostsEqual(c, [('host', 9440)])
c = Client.from_url('clickhouses://host:1234')
self.assertHostsEqual(c, [('host', 1234)])
def test_secure(self):
c = Client.from_url('clickhouse://host?secure=n')
self.assertHostsEqual(c, [('host', 9000)])
self.assertFalse(c.connection.secure_socket)
c = Client.from_url('clickhouse://host?secure=y')
self.assertHostsEqual(c, [('host', 9440)])
self.assertTrue(c.connection.secure_socket)
c = Client.from_url('clickhouse://host:1234?secure=y')
self.assertHostsEqual(c, [('host', 1234)])
self.assertTrue(c.connection.secure_socket)
with self.assertRaises(ValueError):
Client.from_url('clickhouse://host:1234?secure=nonono')
def test_compression(self):
c = Client.from_url('clickhouse://host?compression=n')
self.assertEqual(c.connection.compression, Compression.DISABLED)
self.assertIsNone(c.connection.compressor_cls)
c = Client.from_url('clickhouse://host?compression=y')
self.assertEqual(c.connection.compression, Compression.ENABLED)
self.assertIs(c.connection.compressor_cls, LZ4Compressor)
c = Client.from_url('clickhouse://host?compression=lz4')
self.assertEqual(c.connection.compression, Compression.ENABLED)
self.assertIs(c.connection.compressor_cls, LZ4Compressor)
c = Client.from_url('clickhouse://host?compression=lz4hc')
self.assertEqual(c.connection.compression, Compression.ENABLED)
self.assertIs(c.connection.compressor_cls, LZHC4Compressor)
c = Client.from_url('clickhouse://host?compression=zstd')
self.assertEqual(c.connection.compression, Compression.ENABLED)
self.assertIs(c.connection.compressor_cls, ZSTDCompressor)
with self.assertRaises(ValueError):
Client.from_url('clickhouse://host:1234?compression=custom')
def test_client_name(self):
c = Client.from_url('clickhouse://host?client_name=native')
self.assertEqual(c.connection.client_name, 'ClickHouse native')
def test_timeouts(self):
with self.assertRaises(ValueError):
Client.from_url('clickhouse://host?connect_timeout=test')
c = Client.from_url('clickhouse://host?connect_timeout=1.2')
self.assertEqual(c.connection.connect_timeout, 1.2)
c = Client.from_url('clickhouse://host?send_receive_timeout=1.2')
self.assertEqual(c.connection.send_receive_timeout, 1.2)
c = Client.from_url('clickhouse://host?sync_request_timeout=1.2')
self.assertEqual(c.connection.sync_request_timeout, 1.2)
def test_compress_block_size(self):
with self.assertRaises(ValueError):
Client.from_url('clickhouse://host?compress_block_size=test')
c = Client.from_url('clickhouse://host?compress_block_size=100500')
# compression is not set
self.assertIsNone(c.connection.compress_block_size)
c = Client.from_url(
'clickhouse://host?'
'compress_block_size=100500&'
'compression=1'
)
self.assertEqual(c.connection.compress_block_size, 100500)
def test_settings(self):
c = Client.from_url(
'clickhouse://host?'
'send_logs_level=trace&'
'max_block_size=123'
)
self.assertEqual(c.settings, {
'send_logs_level': 'trace',
'max_block_size': '123'
})
def test_ssl(self):
c = Client.from_url(
'clickhouses://host?'
'verify=false&'
'ssl_version=PROTOCOL_SSLv23&'
'ca_certs=/tmp/certs&'
'ciphers=HIGH:-aNULL:-eNULL:-PSK:RC4-SHA:RC4-MD5'
)
self.assertEqual(c.connection.ssl_options, {
'ssl_version': ssl.PROTOCOL_SSLv23,
'ca_certs': '/tmp/certs',
'ciphers': 'HIGH:-aNULL:-eNULL:-PSK:RC4-SHA:RC4-MD5'
})
def test_ssl_key_cert(self):
base_url = (
'clickhouses://host?'
'verify=true&'
'ssl_version=PROTOCOL_SSLv23&'
'ca_certs=/tmp/certs&'
'ciphers=HIGH:-aNULL:-eNULL:-PSK:RC4-SHA:RC4-MD5&'
)
base_expected = {
'ssl_version': ssl.PROTOCOL_SSLv23,
'ca_certs': '/tmp/certs',
'ciphers': 'HIGH:-aNULL:-eNULL:-PSK:RC4-SHA:RC4-MD5'
}
c = Client.from_url(
base_url +
'keyfile=/tmp/client.key&'
'certfile=/tmp/client.cert'
)
expected = base_expected.copy()
expected.update({
'keyfile': '/tmp/client.key',
'certfile': '/tmp/client.cert'
})
self.assertEqual(c.connection.ssl_options, expected)
c = Client.from_url(
base_url +
'certfile=/tmp/client.cert'
)
expected = base_expected.copy()
expected.update({
'certfile': '/tmp/client.cert'
})
self.assertEqual(c.connection.ssl_options, expected)
def test_alt_hosts(self):
c = Client.from_url('clickhouse://host?alt_hosts=host2:1234')
self.assertHostsEqual(c, [('host', 9000), ('host2', 1234)])
c = Client.from_url('clickhouse://host?alt_hosts=host2')
self.assertHostsEqual(c, [('host', 9000), ('host2', 9000)])
def test_parameters_cast(self):
c = Client.from_url('clickhouse://host?insert_block_size=123')
self.assertEqual(
c.connection.context.client_settings['insert_block_size'], 123
)
def test_settings_is_important(self):
c = Client.from_url('clickhouse://host?settings_is_important=1')
self.assertEqual(c.connection.settings_is_important, True)
with self.assertRaises(ValueError):
c = Client.from_url('clickhouse://host?settings_is_important=2')
self.assertEqual(c.connection.settings_is_important, True)
c = Client.from_url('clickhouse://host?settings_is_important=0')
self.assertEqual(c.connection.settings_is_important, False)
@check_numpy
def test_use_numpy(self):
c = Client.from_url('clickhouse://host?use_numpy=true')
self.assertTrue(c.connection.context.client_settings['use_numpy'])
def test_opentelemetry(self):
c = Client.from_url(
'clickhouse://host?opentelemetry_traceparent='
'00-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-bbbbbbbbbbbbbbbb-00'
)
self.assertEqual(
c.connection.context.client_settings['opentelemetry_traceparent'],
'00-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-bbbbbbbbbbbbbbbb-00'
)
self.assertEqual(
c.connection.context.client_settings['opentelemetry_tracestate'],
''
)
c = Client.from_url(
'clickhouse://host?opentelemetry_traceparent='
'00-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-bbbbbbbbbbbbbbbb-00&'
'opentelemetry_tracestate=state'
)
self.assertEqual(
c.connection.context.client_settings['opentelemetry_traceparent'],
'00-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-bbbbbbbbbbbbbbbb-00'
)
self.assertEqual(
c.connection.context.client_settings['opentelemetry_tracestate'],
'state'
)
def test_quota_key(self):
c = Client.from_url('clickhouse://host?quota_key=myquota')
self.assertEqual(
c.connection.context.client_settings['quota_key'], 'myquota'
)
c = Client.from_url('clickhouse://host')
self.assertEqual(
c.connection.context.client_settings['quota_key'], ''
)
def test_round_robin(self):
c = Client.from_url('clickhouse://host?alt_hosts=host2')
self.assertEqual(len(c.connections), 0)
c = Client.from_url(
'clickhouse://host?round_robin=true&alt_hosts=host2'
)
self.assertEqual(len(c.connections), 1)
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