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c658bdb150
Fixes some typos as found by codespell run on the code. In this commit, I was hoping to fix only comments, not user-visible alerts, output, etc. Follow-up commits will take care of them. Refs: https://github.com/scylladb/scylladb/issues/16255 Signed-off-by: Yaniv Kaul <yaniv.kaul@scylladb.com>
133 lines
6.7 KiB
Python
133 lines
6.7 KiB
Python
#
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# Copyright (C) 2022-present ScyllaDB
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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"""
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Pytest fixtures for CQL repl tests.
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"""
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import logging
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import ssl
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import uuid
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import pytest
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from cassandra.auth import PlainTextAuthProvider # type: ignore
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from cassandra.cluster import Cluster # type: ignore # pylint: disable=no-name-in-module
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from cassandra.cluster import ConsistencyLevel # type: ignore # pylint: disable=no-name-in-module
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from cassandra.cluster import ExecutionProfile # type: ignore # pylint: disable=no-name-in-module
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from cassandra.cluster import EXEC_PROFILE_DEFAULT # pylint: disable=no-name-in-module
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from cassandra.policies import RoundRobinPolicy # type: ignore # pylint: disable=no-name-in-module
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from cassandra.connection import DRIVER_NAME # type: ignore # pylint: disable=no-name-in-module
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from cassandra.connection import DRIVER_VERSION # type: ignore # pylint: disable=no-name-in-module
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logger = logging.getLogger(__name__)
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logger.warning("Driver name %s", DRIVER_NAME)
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logger.warning("Driver version %s", DRIVER_VERSION)
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# By default, tests run against a CQL server (Scylla or Cassandra) listening
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# on localhost:9042. Add the --host and --port options to allow overriding
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# these defaults.
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def pytest_addoption(parser) -> None:
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"""Set up command line parameters"""
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parser.addoption("--input", action="store", default="",
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help="Input file")
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parser.addoption("--output", action="store", default="",
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help="Output file")
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parser.addoption('--host', action='store', default='localhost',
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help='CQL server host to connect to')
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parser.addoption('--port', action='store', default='9042',
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help='CQL server port to connect to')
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parser.addoption('--ssl', action='store_true',
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help='Connect to CQL via an encrypted TLSv1.2 connection')
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# "cql" fixture: set up client object for communicating with the CQL API.
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# The host/port combination of the server are determined by the --host and
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# --port options, and defaults to localhost and 9042, respectively.
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# We use scope="session" so that all tests will reuse the same client object.
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@pytest.fixture(scope="session")
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def cql(request):
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"""A shared CQL connection object for all tests in this pytest session"""
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profile = ExecutionProfile(
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load_balancing_policy=RoundRobinPolicy(),
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consistency_level=ConsistencyLevel.LOCAL_QUORUM,
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serial_consistency_level=ConsistencyLevel.LOCAL_SERIAL,
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# The default timeout (in seconds) for execute() commands is 10, which
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# should have been more than enough, but in some extreme cases with a
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# very slow debug build running on a very busy machine and a very slow
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# request (e.g., a DROP KEYSPACE needing to drop multiple tables)
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# 10 seconds may not be enough, so let's increase it. See issue #7838.
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request_timeout=120)
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if request.config.getoption('ssl'):
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# Scylla does not support any earlier TLS protocol. If you try,
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# you will get mysterious EOF errors (see issue #6971) :-(
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ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
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else:
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ssl_context = None
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cluster = Cluster(execution_profiles={EXEC_PROFILE_DEFAULT: profile},
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contact_points=[request.config.getoption('host')],
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port=int(request.config.getoption('port')),
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# TODO: make the protocol version an option, to allow testing with
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# different versions. If we drop this setting completely, it will
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# mean pick the latest version supported by the client and the server.
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protocol_version=4,
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# Use default superuser credentials, which work for both Scylla and Cassandra
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auth_provider=PlainTextAuthProvider(username='cassandra',
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password='cassandra'),
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ssl_context=ssl_context,
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# The default timeout for new connections is 5 seconds, and for
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# requests made by the control connection is 2 seconds. These should
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# have been more than enough, but in some extreme cases with a very
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# slow debug build running on a very busy machine, they may not be.
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# so let's increase them to 60 seconds. See issue #11289.
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connect_timeout = 60,
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control_connection_timeout = 60,
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)
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return cluster.connect()
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# A function-scoped autouse=True fixture allows us to test after every test
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# that the CQL connection is still alive - and if not report the test which
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# crashed Scylla and stop running any more tests.
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@pytest.fixture(scope="function", autouse=True)
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def cql_test_connection(cql, request): # pylint: disable=redefined-outer-name
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"""Fixture to test Cassandra/Scylla is still up after tests finished"""
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yield
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try:
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# We want to run a do-nothing CQL command. "use system" is the
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# closest to do-nothing I could find...
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cql.execute("use system")
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except Exception: # noqa: E722 pylint: disable=broad-except
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pytest.exit("Scylla appears to have crashed in test "
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f"{request.node.parent.name}::{request.node.name}")
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# Until Cassandra 4, NetworkTopologyStrategy did not support the option
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# replication_factor (https://issues.apache.org/jira/browse/CASSANDRA-14303).
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# We want to allow these tests to run on Cassandra 3.* (for the convenience
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# of developers who happen to have it installed), so we'll use the older
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# syntax that needs to specify a DC name explicitly. For this, will have
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# a "this_dc" fixture to figure out the name of the current DC, so it can be
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# used in NetworkTopologyStrategy.
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@pytest.fixture(scope="session")
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def this_dc(cql): # pylint: disable=redefined-outer-name
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"""Fixture to get current DC, for backwards compatibility"""
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yield cql.execute("SELECT data_center FROM system.local").one()[0]
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# "" fixture: Creates and returns a temporary keyspace to be
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# used in tests that need a keyspace. The keyspace is created with RF=1,
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# and automatically deleted at the end. We use scope="session" so that all
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# tests will reuse the same keyspace.
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@pytest.fixture(scope="session")
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def keyspace(cql, this_dc): # pylint: disable=redefined-outer-name
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"""Fixture to create a test kespace for this pytest session"""
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keyspace_name = f"test_{uuid.uuid4().hex}"
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cql.execute(f"CREATE KEYSPACE {keyspace_name} "
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f"WITH REPLICATION = {{ 'class' : 'NetworkTopologyStrategy', '{this_dc}' : 1 }}")
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yield keyspace_name
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cql.execute(f"DROP KEYSPACE {keyspace_name}")
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