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* distributed with this work for additional information
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* 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
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package org.apache.cassandra.triggers;
import java.util.Collections;
import org.junit.Test;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.config.KSMetaData;
import org.apache.cassandra.config.Schema;
import org.apache.cassandra.config.TriggerDefinition;
import org.apache.cassandra.locator.SimpleStrategy;
import org.apache.cassandra.service.MigrationManager;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class TriggersSchemaTest extends SchemaLoader
{
String ksName = "ks" + System.nanoTime();
String cfName = "cf" + System.nanoTime();
String triggerName = "trigger_" + System.nanoTime();
String triggerClass = "org.apache.cassandra.triggers.NoSuchTrigger.class";
@Test
public void newKsContainsCfWithTrigger() throws Exception
{
TriggerDefinition td = TriggerDefinition.create(triggerName, triggerClass);
CFMetaData cfm1 = CFMetaData.compile(String.format("CREATE TABLE %s (k int PRIMARY KEY, v int)", cfName), ksName);
cfm1.addTriggerDefinition(td);
KSMetaData ksm = KSMetaData.newKeyspace(ksName,
SimpleStrategy.class,
Collections.singletonMap("replication_factor", "1"),
true,
Collections.singletonList(cfm1));
MigrationManager.announceNewKeyspace(ksm);
CFMetaData cfm2 = Schema.instance.getCFMetaData(ksName, cfName);
assertFalse(cfm2.getTriggers().isEmpty());
assertEquals(1, cfm2.getTriggers().size());
assertEquals(td, cfm2.getTriggers().get(triggerName));
}
@Test
public void addNewCfWithTriggerToKs() throws Exception
{
KSMetaData ksm = KSMetaData.newKeyspace(ksName,
SimpleStrategy.class,
Collections.singletonMap("replication_factor", "1"),
true,
Collections.EMPTY_LIST);
MigrationManager.announceNewKeyspace(ksm);
CFMetaData cfm1 = CFMetaData.compile(String.format("CREATE TABLE %s (k int PRIMARY KEY, v int)", cfName), ksName);
TriggerDefinition td = TriggerDefinition.create(triggerName, triggerClass);
cfm1.addTriggerDefinition(td);
MigrationManager.announceNewColumnFamily(cfm1);
CFMetaData cfm2 = Schema.instance.getCFMetaData(ksName, cfName);
assertFalse(cfm2.getTriggers().isEmpty());
assertEquals(1, cfm2.getTriggers().size());
assertEquals(td, cfm2.getTriggers().get(triggerName));
}
@Test
public void addTriggerToCf() throws Exception
{
CFMetaData cfm1 = CFMetaData.compile(String.format("CREATE TABLE %s (k int PRIMARY KEY, v int)", cfName), ksName);
KSMetaData ksm = KSMetaData.newKeyspace(ksName,
SimpleStrategy.class,
Collections.singletonMap("replication_factor", "1"),
true,
Collections.singletonList(cfm1));
MigrationManager.announceNewKeyspace(ksm);
CFMetaData cfm2 = Schema.instance.getCFMetaData(ksName, cfName).copy();
TriggerDefinition td = TriggerDefinition.create(triggerName, triggerClass);
cfm2.addTriggerDefinition(td);
MigrationManager.announceColumnFamilyUpdate(cfm2, false);
CFMetaData cfm3 = Schema.instance.getCFMetaData(ksName, cfName);
assertFalse(cfm3.getTriggers().isEmpty());
assertEquals(1, cfm3.getTriggers().size());
assertEquals(td, cfm3.getTriggers().get(triggerName));
}
@Test
public void removeTriggerFromCf() throws Exception
{
TriggerDefinition td = TriggerDefinition.create(triggerName, triggerClass);
CFMetaData cfm1 = CFMetaData.compile(String.format("CREATE TABLE %s (k int PRIMARY KEY, v int)", cfName), ksName);
cfm1.addTriggerDefinition(td);
KSMetaData ksm = KSMetaData.newKeyspace(ksName,
SimpleStrategy.class,
Collections.singletonMap("replication_factor", "1"),
true,
Collections.singletonList(cfm1));
MigrationManager.announceNewKeyspace(ksm);
CFMetaData cfm2 = Schema.instance.getCFMetaData(ksName, cfName).copy();
cfm2.removeTrigger(triggerName);
MigrationManager.announceColumnFamilyUpdate(cfm2, false);
CFMetaData cfm3 = Schema.instance.getCFMetaData(ksName, cfName).copy();
assertTrue(cfm3.getTriggers().isEmpty());
}
}