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All tests in cql-pytest use a test keyspace created with the SimpleStrategy replication strategy. This was never intentional. We are recommending to users that they should use NetworkTopologyStrategy instead, and even want to deprecate SimpleStrategy (this is #8586), so tests should stop using SimpleStrategy and should start using the same strategy users would use in their applications - NetworkTopologyStrategy. Almost all tests are fixed by a single change in conftest.py which changes how "test_keyspace" is created. But additionally, tests in test_keyspace.py which explicitly create keyspaces (that's the point of that test file...) also had to be modified to use NetworkTopologyStrategy. Note that none of the tests relied on any special features or implementation details of SimpleStrategy. This patch is part of the bigger effort to remove reliance on SimpleStrategy from all tests, of all types - which we will need to do if we ever want to forbid SimpleStrategy by default. The issue of that effort: Refs #8638 Signed-off-by: Nadav Har'El <nyh@scylladb.com> Message-Id: <20210620102341.195533-1-nyh@scylladb.com>
152 lines
8.5 KiB
Python
152 lines
8.5 KiB
Python
# Copyright 2020-present ScyllaDB
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#
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# This file is part of Scylla.
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#
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# Scylla is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Scylla is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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# Tests for basic keyspace operations: CREATE KEYSPACE, DROP KEYSPACE,
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# ALTER KEYSPACE
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from util import new_test_keyspace, unique_name
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import pytest
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from cassandra.protocol import SyntaxException, AlreadyExists, InvalidRequest, ConfigurationException
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# A basic tests for successful CREATE KEYSPACE and DROP KEYSPACE
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def test_create_and_drop_keyspace(cql):
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cql.execute("CREATE KEYSPACE test_create_and_drop_keyspace WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }")
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cql.execute("DROP KEYSPACE test_create_and_drop_keyspace")
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# Trying to create the same keyspace - even if with identical parameters -
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# should result in an AlreadyExists error.
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def test_create_keyspace_twice(cql):
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cql.execute("CREATE KEYSPACE test_create_keyspace_twice WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }")
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with pytest.raises(AlreadyExists):
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cql.execute("CREATE KEYSPACE test_create_keyspace_twice WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }")
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cql.execute("DROP KEYSPACE test_create_keyspace_twice")
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# "IF NOT EXISTS" on CREATE KEYSPACE:
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def test_create_keyspace_if_not_exists(cql):
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cql.execute("CREATE KEYSPACE IF NOT EXISTS test_create_keyspace_if_not_exists WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }")
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# A second invocation with IF NOT EXISTS is fine:
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cql.execute("CREATE KEYSPACE IF NOT EXISTS test_create_keyspace_if_not_exists WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }")
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# It doesn't matter if the second invocation has different parameters,
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# they are ignored.
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cql.execute("CREATE KEYSPACE IF NOT EXISTS test_create_keyspace_if_not_exists WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 2 }")
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cql.execute("DROP KEYSPACE test_create_keyspace_if_not_exists")
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# The "WITH REPLICATION" part of CREATE KEYSPACE may not be ommitted - trying
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# to do so should result in a syntax error:
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def test_create_keyspace_missing_with(cql):
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with pytest.raises(SyntaxException):
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cql.execute("CREATE KEYSPACE test_create_and_drop_keyspace")
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# The documentation states that "Keyspace names can have up to 48 alpha-
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# numeric characters and contain underscores; only letters and numbers are
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# supported as the first character.". This is not accurate. Test what is actually
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# enforced:
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def test_create_keyspace_invalid_name(cql):
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rep = " WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }"
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with pytest.raises(InvalidRequest, match='48'):
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cql.execute('CREATE KEYSPACE ' + 'x'*49 + rep)
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# The name xyz!123, unquoted, is a syntax error. With quotes it's valid
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# syntax, but an illegal name.
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with pytest.raises(SyntaxException):
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cql.execute('CREATE KEYSPACE xyz!123' + rep)
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with pytest.raises(InvalidRequest, match='name'):
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cql.execute('CREATE KEYSPACE "xyz!123"' + rep)
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# The documentation claims that only letters and numbers - i.e., not
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# underscores - are allowed as the first character of a table name.
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# This is not, in fact, true... Although an unquoted name beginning
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# with an underscore results in a syntax error in the parser, it quotes
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# such names *are* allowed:
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with pytest.raises(SyntaxException):
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cql.execute('CREATE KEYSPACE _xyz' + rep)
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cql.execute('CREATE KEYSPACE "_xyz"' + rep)
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cql.execute('DROP KEYSPACE "_xyz"')
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# As the documentation states, a keyspace name may begin with a number.
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# But such a name is not allowed by the parser, so it needs to be quoted:
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with pytest.raises(SyntaxException):
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cql.execute('CREATE KEYSPACE 123' + rep)
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cql.execute('CREATE KEYSPACE "123"' + rep)
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cql.execute('DROP KEYSPACE "123"')
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# Test trying to ALTER a keyspace with invalid options.
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# Reproduces #7595.
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def test_create_keyspace_nonexistent_dc(cql):
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with pytest.raises(ConfigurationException):
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ks = unique_name()
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cql.execute(f"CREATE KEYSPACE {ks} WITH REPLICATION = {{ 'class' : 'NetworkTopologyStrategy', 'nonexistentdc' : 1 }}")
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# Test that attempts to reproduce an issue with double WITH keyword in CREATE
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# KEYSPACE statement -- CASSANDRA-9565.
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def test_create_keyspace_double_with(cql):
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with pytest.raises(SyntaxException):
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cql.execute('CREATE KEYSPACE WITH WITH DURABLE_WRITES = true')
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with pytest.raises(SyntaxException):
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cql.execute('CREATE KEYSPACE ks WITH WITH DURABLE_WRITES = true')
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# Test trying a non-existent keyspace - with or without the IF EXISTS flag.
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# This test demonstrates a change of the exception produced between Cassandra 4.0
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# and earlier versions (with Scylla behaving like the earlier versions).
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def test_drop_keyspace_nonexistent(cql):
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cql.execute('DROP KEYSPACE IF EXISTS nonexistent_keyspace')
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# Cassandra changed the exception it throws on dropping a nonexistent keyspace.
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# Prior to Cassandra 4.0 (commit 207c80c1fd63dfbd8ca7e615ec8002ee8983c5d6, Nov. 2016)
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# it was a ConfigurationException, but in 4.0, it changed to and InvalidRequest.
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# In Sylla, it remains a ConfigurationException is it was in earlier Cassandra.
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with pytest.raises( (InvalidRequest, ConfigurationException) ):
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cql.execute('DROP KEYSPACE nonexistent_keyspace')
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# Test trying to ALTER a keyspace.
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def test_alter_keyspace(cql):
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with new_test_keyspace(cql, "WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }") as keyspace:
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cql.execute(f"ALTER KEYSPACE {keyspace} WITH REPLICATION = {{ 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 3 }} AND DURABLE_WRITES = false")
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# Test trying to ALTER a keyspace with invalid options.
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def test_alter_keyspace_invalid(cql):
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with new_test_keyspace(cql, "WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }") as keyspace:
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with pytest.raises(ConfigurationException):
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cql.execute(f"ALTER KEYSPACE {keyspace} WITH REPLICATION = {{ 'class' : 'NoSuchStrategy' }}")
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# SimpleStrategy, if not outright forbidden, requires a
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# replication_factor option.
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with pytest.raises(ConfigurationException):
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cql.execute(f"ALTER KEYSPACE {keyspace} WITH REPLICATION = {{ 'class' : 'SimpleStrategy' }}")
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with pytest.raises(ConfigurationException):
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cql.execute(f"ALTER KEYSPACE {keyspace} WITH REPLICATION = {{ 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 'foo' }}")
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# Test trying to ALTER a keyspace with invalid options.
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# Reproduces #7595.
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def test_alter_keyspace_nonexistent_dc(cql):
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with new_test_keyspace(cql, "WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }") as keyspace:
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with pytest.raises(ConfigurationException):
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cql.execute(f"ALTER KEYSPACE {keyspace} WITH replication = {{ 'class' : 'NetworkTopologyStrategy', 'nonexistentdc' : 1 }}")
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# Test trying to ALTER a non-existing keyspace
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def test_alter_keyspace_nonexisting(cql):
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cql.execute('DROP KEYSPACE IF EXISTS nonexistent_keyspace')
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with pytest.raises(InvalidRequest):
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cql.execute("ALTER KEYSPACE nonexistent_keyspace WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'replication_factor' : 1 }")
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# Test that attempts to reproduce an issue with double WITH keyword in ALTER
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# KEYSPACE statement -- CASSANDRA-9565.
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def test_alter_keyspace_double_with(cql):
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with pytest.raises(SyntaxException):
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cql.execute('ALTER KEYSPACE WITH WITH DURABLE_WRITES = true')
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with pytest.raises(SyntaxException):
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cql.execute('ALTER KEYSPACE ks WITH WITH DURABLE_WRITES = true')
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# TODO: more tests for "WITH REPLICATION" syntax in CREATE TABLE.
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# TODO: check the "AND DURABLE_WRITES" option of CREATE TABLE.
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# TODO: confirm case insensitivity without quotes, and case sensitivity with them.
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