package org.drools.base.extractors;
import java.util.Vector;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.drools.Address;
import org.drools.Person;
import org.drools.base.ClassFieldExtractorCache;
import org.drools.spi.Extractor;
public class MVELClassFieldExtractorTest extends TestCase {
Extractor extractor = ClassFieldExtractorCache.getInstance().getExtractor( Person.class,
"addresses['home'].street",
getClass().getClassLoader() );
private final Person[] person = new Person[2];
private final Address[] business = new Address[2];
private final Address[] home = new Address[2];
protected void setUp() throws Exception {
super.setUp();
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] );
}
public void testGetBooleanValue() {
try {
this.extractor.getBooleanValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
public void testGetByteValue() {
try {
this.extractor.getByteValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
public void testGetCharValue() {
try {
this.extractor.getCharValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
public void testGetDoubleValue() {
try {
this.extractor.getDoubleValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
public void testGetFloatValue() {
try {
this.extractor.getFloatValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
public void testGetIntValue() {
try {
this.extractor.getIntValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
public void testGetLongValue() {
try {
this.extractor.getLongValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
public void testGetShortValue() {
try {
this.extractor.getShortValue( null,
this.person[0] );
fail( "Should have throw an exception" );
} catch ( final Exception e ) {
// success
}
}
public void testGetValue() {
try {
Assert.assertEquals( home[0].getStreet(),
this.extractor.getValue( null,
this.person[0] ) );
Assert.assertTrue( this.extractor.getValue( null,
this.person[0] ) instanceof String );
} catch ( final Exception e ) {
fail( "Should not throw an exception" );
}
}
public void testIsNullValue() {
try {
Assert.assertFalse( this.extractor.isNullValue( null,
this.person[0] ) );
Extractor nullExtractor = ClassFieldExtractorCache.getInstance().getExtractor( Person.class,
"addresses['business'].phone",
getClass().getClassLoader() );
Assert.assertTrue( nullExtractor.isNullValue( null,
this.person[0] ) );
} catch ( final Exception e ) {
fail( "Should not throw an exception" );
}
}
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() ) {
System.out.println(errors.toString());
fail( " Errors occured during execution " );
}
} catch ( InterruptedException e ) {
e.printStackTrace();
fail( "Unexpected exception running test: " + e.getMessage() );
}
}
}