| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package org.apache.cassandra.db.guardrails; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| /** |
| * Tests the guardrail for read-before-write list operations, {@link Guardrails#readBeforeWriteListOperationsEnabled}. |
| */ |
| @RunWith(Parameterized.class) |
| public class GuardrailReadBeforeWriteListOperationsTest extends GuardrailTester |
| { |
| @Parameterized.Parameter |
| public boolean enabled; |
| |
| @Parameterized.Parameters(name = "read_before_write_list_operations_enabled={0}") |
| public static Collection<Object> data() |
| { |
| return Arrays.asList(false, true); |
| } |
| |
| public GuardrailReadBeforeWriteListOperationsTest() |
| { |
| super(Guardrails.readBeforeWriteListOperationsEnabled); |
| } |
| |
| @Before |
| public void before() |
| { |
| guardrails().setReadBeforeWriteListOperationsEnabled(enabled); |
| Assert.assertEquals(enabled, guardrails().getReadBeforeWriteListOperationsEnabled()); |
| |
| createTable("CREATE TABLE %s (k int PRIMARY KEY, l list<int>)"); |
| } |
| |
| @Test |
| public void tesInsertFullValue() throws Throwable |
| { |
| // insert from scratch |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [1, 2])"); |
| assertRows(row(0, list(1, 2))); |
| |
| // insert overriding previous value |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [2, 3])"); |
| assertRows(row(0, list(2, 3))); |
| } |
| |
| @Test |
| public void testUpdateFullValue() throws Throwable |
| { |
| // update from scratch |
| assertValid("UPDATE %s SET l = [1, 2] WHERE k = 0"); |
| assertRows(row(0, list(1, 2))); |
| |
| // update overriding previous value |
| assertValid("UPDATE %s SET l = [2, 3] WHERE k = 0"); |
| assertRows(row(0, list(2, 3))); |
| } |
| |
| @Test |
| public void testDeleteFullValue() throws Throwable |
| { |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [1, 2])"); |
| assertValid("DELETE l FROM %s WHERE k = 0"); |
| assertRows(row(0, null)); |
| } |
| |
| @Test |
| public void testAppend() throws Throwable |
| { |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [1, 2])"); |
| assertValid("UPDATE %s SET l = l + [3, 4] WHERE k = 0"); |
| assertRows(row(0, list(1, 2, 3, 4))); |
| } |
| |
| @Test |
| public void testPrepend() throws Throwable |
| { |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [1, 2])"); |
| assertValid("UPDATE %s SET l = [3, 4] + l WHERE k = 0"); |
| assertRows(row(0, list(3, 4, 1, 2))); |
| } |
| |
| @Test |
| public void testUpdateByIndex() throws Throwable |
| { |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [1, 2, 3])"); |
| testGuardrail("UPDATE %s SET l[1] = 4 WHERE k = 0", |
| "Setting of list items by index requiring read before write is not allowed", |
| row(0, list(1, 4, 3))); |
| } |
| |
| @Test |
| public void testDeleteByIndex() throws Throwable |
| { |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [1, 2, 3])"); |
| testGuardrail("DELETE l[1] FROM %s WHERE k = 0", |
| "Removal of list items by index requiring read before write is not allowed", |
| row(0, list(1, 3))); |
| } |
| |
| @Test |
| public void testDeleteByItem() throws Throwable |
| { |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [1, 2, 3])"); |
| testGuardrail("UPDATE %s SET l = l - [2] WHERE k = 0", |
| "Removal of list items requiring read before write is not allowed", |
| row(0, list(1, 3))); |
| } |
| |
| @Test |
| public void testBatch() throws Throwable |
| { |
| assertValid("INSERT INTO %s (k, l) VALUES (0, [1, 2, 3])"); |
| |
| testGuardrail("BEGIN BATCH UPDATE %s SET l[1] = 0 WHERE k = 0; APPLY BATCH", |
| "Setting of list items by index requiring read before write is not allowed", |
| row(0, list(1, 0, 3))); |
| |
| testGuardrail("BEGIN BATCH DELETE l[1] FROM %s WHERE k = 0; APPLY BATCH", |
| "Removal of list items by index requiring read before write is not allowed", |
| row(0, list(1, 3))); |
| |
| testGuardrail("BEGIN BATCH UPDATE %s SET l = l - [3] WHERE k = 0; APPLY BATCH", |
| "Removal of list items requiring read before write is not allowed", |
| row(0, list(1))); |
| } |
| |
| @Test |
| public void testExcludedUsers() throws Throwable |
| { |
| testExcludedUsers(() -> "INSERT INTO %s (k, l) VALUES (0, [1, 2, 3, 4, 5])", |
| () -> "UPDATE %s SET l[1] = 4 WHERE k = 0", |
| () -> "DELETE l[1] FROM %s WHERE k = 0", |
| () -> "INSERT INTO %s (k, l) VALUES (0, [1, 2, 3])", |
| () -> "UPDATE %s SET l = l - [2] WHERE k = 0", |
| () -> "BEGIN BATCH UPDATE %s SET l[1] = 0 WHERE k = 0; APPLY BATCH", |
| () -> "BEGIN BATCH DELETE l[1] FROM %s WHERE k = 0; APPLY BATCH", |
| () -> "BEGIN BATCH UPDATE %s SET l = l - [3] WHERE k = 0; APPLY BATCH"); |
| } |
| |
| private void testGuardrail(String query, String expectedMessage, Object[]... rows) throws Throwable |
| { |
| if (enabled) |
| { |
| assertValid(query); |
| assertRows(rows); |
| } |
| else |
| { |
| assertFails(query, expectedMessage); |
| } |
| } |
| |
| private void assertRows(Object[]... rows) throws Throwable |
| { |
| assertRowsNet(executeNet("SELECT * FROM %s"), rows); |
| } |
| } |