/*
* Copyright 2010 JBoss Inc
*
* 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.
*/
package org.drools.core.base.extractors;
import java.util.Vector;
import org.junit.Before;
import org.junit.Test;
import org.kie.internal.utils.ClassLoaderUtil;
import static org.junit.Assert.*;
import org.drools.core.base.ClassFieldAccessorCache;
import org.drools.core.base.ClassFieldAccessorStore;
import org.drools.core.test.model.Address;
import org.drools.core.test.model.Person;
import org.drools.core.rule.MVELDialectRuntimeData;
public class MVELClassFieldExtractorTest {
ClassFieldAccessorStore store = new ClassFieldAccessorStore();
MVELObjectClassFieldReader extractor;
private final Person[] person = new Person[2];
private final Address[] business = new Address[2];
private final Address[] home = new Address[2];
@Before
public void setUp() throws Exception {
store.setClassFieldAccessorCache( new ClassFieldAccessorCache( Thread.currentThread().getContextClassLoader() ) );
store.setEagerWire( true );
extractor = ( MVELObjectClassFieldReader ) store.getMVELReader( Person.class.getPackage().getName(),
Person.class.getName(),
"addresses['home'].street",
true,
String.class );
MVELDialectRuntimeData data = new MVELDialectRuntimeData();
data.addImport( Person.class.getSimpleName(), Person.class );
data.onAdd( null, ClassLoaderUtil.getClassLoader( null, getClass(), false ) );
extractor.compile( data );
person[0] = new Person( "bob",
30 );
business[0] = new Address( "Business Street",
"999",
null );
home[0] = new Address( "Home Street",
"555",
"55555555" );
person[0].getAddresses().put( "business",
business[0] );
person[0].getAddresses().put( "home",
home[0] );
person[1] = new Person( "mark",
35 );
business[1] = new Address( "Another Business Street",
"999",
null );
home[1] = new Address( "Another Home Street",
"555",
"55555555" );
person[1].getAddresses().put( "business",
business[1] );
person[1].getAddresses().put( "home",
home[1] );
}
@Test
public void testGetBooleanValue() {
try {
this.extractor.getBooleanValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
@Test
public void testGetByteValue() {
try {
this.extractor.getByteValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
@Test
public void testGetCharValue() {
try {
this.extractor.getCharValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
@Test
public void testGetDoubleValue() {
try {
this.extractor.getDoubleValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
@Test
public void testGetFloatValue() {
try {
this.extractor.getFloatValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
@Test
public void testGetIntValue() {
try {
this.extractor.getIntValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
@Test
public void testGetLongValue() {
try {
this.extractor.getLongValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
@Test
public void testGetShortValue() {
try {
this.extractor.getShortValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
@Test
public void testGetValue() {
try {
assertEquals( home[0].getStreet(),
this.extractor.getValue( null,
this.person[0] ) );
assertTrue( this.extractor.getValue( null,
this.person[0] ) instanceof String );
} catch ( final Exception e ) {
fail( "Should not throw an exception" );
}
}
@Test
public void testIsNullValue() {
try {
assertFalse( this.extractor.isNullValue( null,
this.person[0] ) );
MVELObjectClassFieldReader nullExtractor = ( MVELObjectClassFieldReader ) store.getMVELReader( Person.class.getPackage().getName(),
Person.class.getName(),
"addresses['business'].phone",
true,
String.class );
MVELDialectRuntimeData data = new MVELDialectRuntimeData();
data.addImport( Person.class.getSimpleName(), Person.class );
data.onAdd( null, ClassLoaderUtil.getClassLoader( null, getClass(), false ) );
nullExtractor.compile( data );
//
// InternalReadAccessor nullExtractor = store.getReader( Person.class,
// "addresses['business'].phone",
// getClass().getClassLoader() );
assertTrue( nullExtractor.isNullValue( null,
this.person[0] ) );
} catch ( final Exception e ) {
fail( "Should not throw an exception" );
}
}
@Test
public void testMultithreads() {
final int THREAD_COUNT = 30;
try {
final Vector errors = new Vector();
final Thread t[] = new Thread[THREAD_COUNT];
for ( int j = 0; j < 10; j++ ) {
for ( int i = 0; i < t.length; i++ ) {
final int ID = i;
t[i] = new Thread() {
public void run() {
try {
final int ITERATIONS = 300;
for ( int k = 0; k < ITERATIONS; k++ ) {
String value = (String) extractor.getValue( null,
person[ID % 2] );
if ( !home[ID % 2].getStreet().equals( value ) ) {
errors.add( "THREAD(" + ID + "): Wrong value at iteration " + k + ". Value='" + value + "'\n" );
}
}
} catch ( Exception ex ) {
ex.printStackTrace();
errors.add( ex );
}
}
};
t[i].start();
}
for ( int i = 0; i < t.length; i++ ) {
t[i].join();
}
}
if ( !errors.isEmpty() ) {
fail( " Errors occured during execution\n" + errors.toString() );
}
} catch ( InterruptedException e ) {
e.printStackTrace();
fail( "Unexpected exception running test: " + e.getMessage() );
}
}
}