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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed 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. See accompanying
* LICENSE file.
*/
/*
* IndexCreationInternalsTest.java
* JUnit based test
*
* Created on February 22, 2005, 11:24 AM
*/
package com.gemstone.gemfire.cache.query.internal.index;
import java.util.List;
import junit.framework.TestCase;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.query.CacheUtils;
import com.gemstone.gemfire.cache.query.QueryInvalidException;
import com.gemstone.gemfire.cache.query.internal.CompiledID;
import com.gemstone.gemfire.cache.query.internal.CompiledIteratorDef;
import com.gemstone.gemfire.cache.query.internal.CompiledPath;
import com.gemstone.gemfire.cache.query.internal.CompiledRegion;
import com.gemstone.gemfire.cache.query.internal.QCompiler;
import com.gemstone.gemfire.cache.query.internal.types.TypeUtils;
import com.gemstone.gemfire.internal.cache.LocalRegion;
import io.snappydata.test.dunit.DistributedTestBase;
/**
*
* @author ericz
*/
public class IndexCreationInternalsTest extends TestCase {
protected String childThreadName1 = "";
protected String childThreadName2 = "";
public IndexCreationInternalsTest(String testName) {
super(testName);
}
protected void setUp() throws Exception {
CacheUtils.startCache();
}
protected void tearDown() throws Exception {
CacheUtils.closeCache();
}
public void testLoneFromClause() throws Exception {
// compileFromClause returns a List
QCompiler compiler = new QCompiler(CacheUtils.getLogger().convertToLogWriterI18n());
List list = compiler.compileFromClause("/pos p, p.positions");
assertEquals(2, list.size());
CompiledIteratorDef first = (CompiledIteratorDef)list.get(0);
assertEquals("p", first.getName());
assertEquals("/pos", ((CompiledRegion)first.getCollectionExpr()).getRegionPath());
assertEquals(TypeUtils.OBJECT_TYPE, first.getElementType());
CompiledIteratorDef second = (CompiledIteratorDef)list.get(1);
assertNull(second.getName());
CompiledPath path = (CompiledPath)second.getCollectionExpr();
assertEquals("p", ((CompiledID)path.getReceiver()).getId());
assertEquals("positions", path.getTailID());
assertEquals(TypeUtils.OBJECT_TYPE, second.getElementType());
}
public void testLoneProjectionAttributes() throws Exception {
// compileProjectionAttributes returns a List or null.
// null if '*', or a List.
// The two-element Object arrays are:
// 0: a String, the field name, or null if no identifier provided
// 1: The CompiledValue for the projection expression.
QCompiler compiler = new QCompiler(CacheUtils.getLogger().convertToLogWriterI18n());
List list = compiler.compileProjectionAttributes("*");
assertNull(list);
compiler = new QCompiler(CacheUtils.getLogger().convertToLogWriterI18n());
list = compiler.compileProjectionAttributes("ID, status");
assertEquals(2, list.size());
Object[] firstProj = (Object[])list.get(0);
assertEquals(2, firstProj.length);
assertNull(firstProj[0]); // no field name
CompiledID id1 = (CompiledID)firstProj[1];
assertEquals("ID", id1.getId());
Object[] secondProj = (Object[])list.get(1);
assertEquals(2, secondProj.length);
assertNull(secondProj[0]); // no field name
CompiledID id2 = (CompiledID)secondProj[1];
assertEquals("status", id2.getId());
// test two ways of specifying the field names
compiler = new QCompiler(CacheUtils.getLogger().convertToLogWriterI18n());
list = compiler.compileProjectionAttributes("x: ID, y: status");
assertEquals(2, list.size());
firstProj = (Object[])list.get(0);
assertEquals(2, firstProj.length);
assertEquals("x", firstProj[0]);
id1 = (CompiledID)firstProj[1];
assertEquals("ID", id1.getId());
secondProj = (Object[])list.get(1);
assertEquals(2, secondProj.length);
assertEquals("y", secondProj[0]);
id2 = (CompiledID)secondProj[1];
assertEquals("status", id2.getId());
// the following is invalid
try {
compiler = new QCompiler(CacheUtils.getLogger().convertToLogWriterI18n());
list = compiler.compileProjectionAttributes("ID x, status y");
fail("Should have thrown a QueryInvalidException");
} catch (QueryInvalidException e) {
// pass
}
// test three ways of specifying the field names
compiler = new QCompiler(CacheUtils.getLogger().convertToLogWriterI18n());
list = compiler.compileProjectionAttributes("ID AS x, status as y");
assertEquals(2, list.size());
firstProj = (Object[])list.get(0);
assertEquals(2, firstProj.length);
assertEquals("x", firstProj[0]);
id1 = (CompiledID)firstProj[1];
assertEquals("ID", id1.getId());
secondProj = (Object[])list.get(1);
assertEquals(2, secondProj.length);
assertEquals("y", secondProj[0]);
id2 = (CompiledID)secondProj[1];
assertEquals("status", id2.getId());
}
public void testGenerationOfCanonicalizedIteratorNames() {
try {
Region rgn = CacheUtils.createRegion("dummy",null);
final IndexManager imgr = new IndexManager(rgn);
((LocalRegion)rgn).setIndexManager(imgr);
String name = imgr.putCanonicalizedIteratorNameIfAbsent("dummy");
assertTrue("Error as the iterator name was expected as index_iter1 , but is actually " +name,name.equals("index_iter1"));
}catch(Exception e) {
fail("Exception in running the test "+ e);
}
}
public void testConcurrentGenerationOfCanonicalizedIteratorNames () {
try {
Region rgn = CacheUtils.createRegion("dummy",null);
final IndexManager imgr = new IndexManager(rgn);
((LocalRegion)rgn).setIndexManager(imgr);
String name = imgr.putCanonicalizedIteratorNameIfAbsent("dummy");
assertTrue("Error as the iterator name was expected as index_iter1 , but is actually " +name,name.equals("index_iter1"));
Thread th1 = new Thread ( new Runnable () {
public void run() {
IndexCreationInternalsTest.this.childThreadName1= imgr.putCanonicalizedIteratorNameIfAbsent("index_iter1.coll1");
}
}
);
Thread th2 = new Thread ( new Runnable () {
public void run() {
IndexCreationInternalsTest.this.childThreadName2= imgr.putCanonicalizedIteratorNameIfAbsent("index_iter1.coll1");
}
}
);
th1.start();
th2.start();
name = imgr.putCanonicalizedIteratorNameIfAbsent("index_iter1.coll1");
DistributedTestBase.join(th1, 30 * 1000, null);
DistributedTestBase.join(th2, 30 * 1000, null);
if( !(name.equals(this.childThreadName1) && name.equals(this.childThreadName2)) ) {
fail("Canonicalization name generation test failed in concurrent scenario as first name is "+this.childThreadName1 + "and second is "+name + " and third is "+this.childThreadName2);
}
System.out.print(" Canonicalized name = "+ name);
}catch(Exception e) {
fail("Exception in running the test "+ e);
}
}
}