| /* |
| * 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 org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| |
| /** |
| * Tests the guardrail for disabling user access to the ALTER TABLE statement, {@link Guardrails#alterTableEnabled}. |
| * |
| * NOTE: This test class depends on {@link #currentTable()} method for setup, cleanup, and execution of tests. You'll |
| * need to refactor this if you add tests that make changes to the current table as the test teardown will no longer match |
| * setup. |
| */ |
| public class GuardrailAlterTableTest extends GuardrailTester |
| { |
| public GuardrailAlterTableTest() |
| { |
| super(Guardrails.alterTableEnabled); |
| } |
| |
| @Before |
| public void setupTest() throws Throwable |
| { |
| createTable("CREATE TABLE IF NOT EXISTS %s (k INT, c INT, v TEXT, PRIMARY KEY(k, c))"); |
| } |
| |
| @After |
| public void afterTest() throws Throwable |
| { |
| dropTable("DROP TABLE %s"); |
| setGuardrail(true); |
| } |
| |
| private void setGuardrail(boolean alterTableEnabled) |
| { |
| guardrails().setAlterTableEnabled(alterTableEnabled); |
| } |
| |
| /** |
| * Confirm that ALTER TABLE queries either work (guardrail enabled) or fail (guardrail disabled) appropriately |
| * @throws Throwable |
| */ |
| @Test |
| public void testGuardrailEnabledAndDisabled() throws Throwable |
| { |
| setGuardrail(false); |
| assertFails("ALTER TABLE %s ADD test_one text;", "changing columns"); |
| |
| setGuardrail(true); |
| assertValid("ALTER TABLE %s ADD test_two text;"); |
| |
| setGuardrail(false); |
| assertFails("ALTER TABLE %s ADD test_three text;", "changing columns"); |
| } |
| |
| /** |
| * Confirm the guardrail appropriately catches the ALTER DROP case on a column |
| * @throws Throwable |
| */ |
| @Test |
| public void testAppliesToAlterDropColumn() throws Throwable |
| { |
| setGuardrail(true); |
| assertValid("ALTER TABLE %s ADD test_one text;"); |
| |
| setGuardrail(false); |
| assertFails("ALTER TABLE %s DROP test_one", "changing columns"); |
| |
| setGuardrail(true); |
| assertValid("ALTER TABLE %s DROP test_one"); |
| } |
| |
| /** |
| * Confirm the guardrail appropriately catches the ALTER RENAME case on a column |
| * @throws Throwable |
| */ |
| @Test |
| public void testAppliesToAlterRenameColumn() throws Throwable |
| { |
| setGuardrail(false); |
| assertFails("ALTER TABLE %s RENAME c TO renamed_c", "changing columns"); |
| |
| setGuardrail(true); |
| assertValid("ALTER TABLE %s RENAME c TO renamed_c"); |
| } |
| |
| /** |
| * Confirm we can always alter properties via the options map regardless of guardrail state |
| * @throws Throwable |
| */ |
| @Test |
| public void testAlterViaMapAlwaysWorks() throws Throwable |
| { |
| setGuardrail(false); |
| assertValid("ALTER TABLE %s WITH compression = { 'class' : 'SnappyCompressor', 'chunk_length_in_kb' : 32 };"); |
| |
| setGuardrail(true); |
| assertValid("ALTER TABLE %s WITH compression = { 'class' : 'SnappyCompressor', 'chunk_length_in_kb' : 32 };"); |
| } |
| |
| /** |
| * Confirm the other form of ALTER TABLE property map changing always works regardless of guardrail state |
| * @throws Throwable |
| */ |
| @Test |
| public void testAlterOptionsAlwaysWorks() throws Throwable |
| { |
| setGuardrail(true); |
| assertValid("ALTER TABLE %s WITH GC_GRACE_SECONDS = 456; "); |
| |
| setGuardrail(false); |
| assertValid("ALTER TABLE %s WITH GC_GRACE_SECONDS = 123; "); |
| } |
| } |