| /* |
| * 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.schema; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.function.BiConsumer; |
| import java.util.stream.Collectors; |
| |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.ServerTestUtils; |
| import org.apache.cassandra.cql3.CQLTester; |
| import org.apache.cassandra.db.ColumnFamilyStore; |
| import org.apache.cassandra.io.util.File; |
| import org.apache.cassandra.schema.SchemaTransformation.SchemaTransformationResult; |
| import org.mockito.Mockito; |
| |
| import static org.apache.cassandra.config.CassandraRelevantProperties.SCHEMA_UPDATE_HANDLER_FACTORY_CLASS; |
| import static org.apache.cassandra.cql3.QueryProcessor.executeInternal; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| public class RemoveWithoutDroppingTest |
| { |
| static volatile boolean dropDataOverride = true; |
| |
| static final SchemaChangeListener listener = Mockito.mock(SchemaChangeListener.class); |
| |
| @BeforeClass |
| public static void beforeClass() |
| { |
| ServerTestUtils.daemonInitialization(); |
| |
| SCHEMA_UPDATE_HANDLER_FACTORY_CLASS.setString(TestSchemaUpdateHandlerFactory.class.getName()); |
| CQLTester.prepareServer(); |
| Schema.instance.registerListener(listener); |
| } |
| |
| @Before |
| public void before() |
| { |
| Mockito.reset(listener); |
| } |
| |
| public static void callbackOverride(BiConsumer<SchemaTransformationResult, Boolean> updateSchemaCallback, SchemaTransformationResult result, boolean dropData) |
| { |
| updateSchemaCallback.accept(result, dropDataOverride); |
| } |
| |
| public static class TestSchemaUpdateHandlerFactory implements SchemaUpdateHandlerFactory |
| { |
| @Override |
| public SchemaUpdateHandler getSchemaUpdateHandler(boolean online, BiConsumer<SchemaTransformationResult, Boolean> updateSchemaCallback) |
| { |
| return online |
| ? new DefaultSchemaUpdateHandler((result, dropData) -> callbackOverride(updateSchemaCallback, result, dropData)) |
| : new OfflineSchemaUpdateHandler((result, dropData) -> callbackOverride(updateSchemaCallback, result, dropData)); |
| } |
| } |
| |
| private void testRemoveKeyspace(String ks, String tab, boolean expectDropped) throws Throwable |
| { |
| executeInternal(String.format("CREATE KEYSPACE IF NOT EXISTS %s WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}", ks)); |
| executeInternal(String.format("CREATE TABLE %s.%s (id INT PRIMARY KEY, v INT)", ks, tab)); |
| executeInternal(String.format("INSERT INTO %s.%s (id, v) VALUES (?, ?)", ks, tab), 1, 2); |
| executeInternal(String.format("INSERT INTO %s.%s (id, v) VALUES (?, ?)", ks, tab), 3, 4); |
| ColumnFamilyStore cfs = ColumnFamilyStore.getIfExists(ks, tab); |
| cfs.forceFlush(ColumnFamilyStore.FlushReason.UNIT_TESTS).get(); |
| |
| KeyspaceMetadata ksm = Schema.instance.getKeyspaceMetadata(ks); |
| TableMetadata tm = Schema.instance.getTableMetadata(ks, tab); |
| |
| List<File> directories = cfs.getDirectories().getCFDirectories(); |
| Set<File> filesBefore = directories.stream().flatMap(d -> Arrays.stream(d.tryList(f -> !f.isDirectory()))).collect(Collectors.toSet()); |
| assertThat(filesBefore).isNotEmpty(); |
| |
| executeInternal(String.format("DROP KEYSPACE %s", ks)); |
| |
| Set<File> filesAfter = directories.stream().flatMap(d -> Arrays.stream(d.tryList(f -> !f.isDirectory()))).collect(Collectors.toSet()); |
| if (expectDropped) |
| assertThat(filesAfter).isEmpty(); |
| else |
| assertThat(filesAfter).hasSameElementsAs(filesBefore); |
| |
| Mockito.verify(listener).onDropTable(tm, expectDropped); |
| Mockito.verify(listener).onDropKeyspace(ksm, expectDropped); |
| } |
| |
| @Test |
| public void testRemoveWithoutDropping() throws Throwable |
| { |
| dropDataOverride = false; |
| String ks = "test_remove_without_dropping"; |
| String tab = "test_table"; |
| testRemoveKeyspace(ks, tab, false); |
| } |
| |
| @Test |
| public void testRemoveWithDropping() throws Throwable |
| { |
| dropDataOverride = true; |
| String ks = "test_remove_with_dropping"; |
| String tab = "test_table"; |
| testRemoveKeyspace(ks, tab, true); |
| } |
| } |