/*
* Copyright 2005 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.integrationtests;
import org.drools.Address;
import org.drools.CommonTestMethodBase;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.Person;
import org.drools.builder.CompositeKnowledgeBuilder;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.common.DefaultFactHandle;
import org.drools.compiler.CompositeKnowledgeBuilderImpl;
import org.drools.core.util.FileManager;
import org.drools.definition.KnowledgePackage;
import org.drools.definition.type.Modifies;
import org.drools.definition.type.Position;
import org.drools.definition.type.PropertyReactive;
import org.drools.event.knowledgebase.DefaultKnowledgeBaseEventListener;
import org.drools.event.knowledgebase.KnowledgeBaseEventListener;
import org.drools.event.rule.AgendaEventListener;
import org.drools.impl.KnowledgeBaseImpl;
import org.drools.io.ResourceFactory;
import org.drools.io.impl.ByteArrayResource;
import org.drools.reteoo.LeftTuple;
import org.drools.reteoo.ObjectTypeNode;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.rule.FactHandle;
import org.drools.runtime.rule.impl.AgendaImpl;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
/**
* Run all the tests with the ReteOO engine implementation
*/
public class MiscTest2 extends CommonTestMethodBase {
private static final Logger logger = LoggerFactory.getLogger(MiscTest2.class);
@Test
public void testUpdateWithNonEffectiveActivations() throws Exception {
// JBRULES-3604
String str = "package inheritance\n" +
"\n" +
"import org.drools.Address\n" +
"\n" +
"rule \"Parent\"\n" +
" enabled false\n" +
" when \n" +
" $a : Address(suburb == \"xyz\")\n" +
" then \n" +
" System.out.println( $a ); \n" +
"end \n" +
"rule \"Child\" extends \"Parent\" \n" +
" when \n" +
" $b : Address( this == $a, street == \"123\")\n" +
" then \n" +
" System.out.println( $b ); \n" +
"end";
KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder();
builder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL);
if ( builder.hasErrors() ) {
throw new RuntimeException(builder.getErrors().toString());
}
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages(builder.getKnowledgePackages());
StatefulKnowledgeSession ksession = knowledgeBase.newStatefulKnowledgeSession();
Address address = new Address();
address.setSuburb("xyz");
org.drools.runtime.rule.FactHandle addressHandle = ksession.insert(address);
int rulesFired = ksession.fireAllRules();
assertEquals( 0, rulesFired );
address.setStreet("123");
ksession.update(addressHandle, address);
rulesFired = ksession.fireAllRules();
System.out.println( rulesFired );
assertEquals( 1, rulesFired );
ksession.dispose();
}
@Test
public void testClassNotFoundAfterDeserialization() throws Exception {
// JBRULES-3670
String drl =
"package completely.other.deal;\n" +
"\n" +
"declare Person\n" +
" firstName : String\n" +
" lastName : String\n" +
"end\n" +
"\n" +
"rule \"now use it B\"\n" +
" when\n" +
" Person( $christianName, $surname; )\n" +
" then\n" +
" insert( new Person( $christianName, null ) );\n" +
"end";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource(drl.getBytes()), ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
throw new RuntimeException("" + kbuilder.getErrors());
}
FileManager fileManager = new FileManager();
fileManager.setUp();
try {
File root = fileManager.getRootDirectory();
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(new File(root, "test.drl.compiled")));
out.writeObject( kbuilder.getKnowledgePackages());
out.close();
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
ObjectInputStream in = new ObjectInputStream(new FileInputStream(new File(root, "test.drl.compiled")));
kbase.addKnowledgePackages((Collection<KnowledgePackage>) in.readObject());
in.close();
} finally {
fileManager.tearDown();
}
}
@Test
public void testAnalyzeConditionWithVariableRegExp() throws Exception {
// JBRULES-3659
String str =
"dialect \"mvel\"\n" +
"\n" +
"declare Person\n" +
" name : String\n" +
"end\n" +
"declare Stuff\n" +
" regexp : String\n" +
"end\n" +
"\n" +
"rule \"Test Regex\"\n" +
" salience 100\n" +
" when\n" +
" then\n" +
" insert (new Stuff(\"Test\"));\n" +
" insert (new Person(\"Test\"));\n" +
"end\n" +
"\n" +
"rule \"Test Equality\"\n" +
" salience 10\n" +
" when\n" +
" Stuff( $regexp : regexp )\n" +
" Person( name matches $regexp )\n" +
" //Person( name matches \"Test\" )\n" +
" then\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
}
@Test
public void testShareAlphaNodesRegardlessDoubleOrSingleQuotes() {
// JBRULES-3640
String str =
"declare RecordA\n" +
" id : long\n" +
"end\n" +
"\n" +
"declare RecordB\n" +
" id : long\n" +
"role : String\n" +
"end\n" +
"\n" +
"rule \"insert data 1\"\n" +
" salience 10\n" +
" when\n" +
" then\n" +
" insert (new RecordA(100));\n" +
" insert (new RecordB(100, \"1\"));\n" +
" insert (new RecordB(100, \"2\"));\n" +
"end\n" +
"\n" +
"rule \"test 1\"\n" +
" when\n" +
" a : RecordA( )\n" +
" b : RecordB( id == b.id, role == '1' )\n" +
" then\n" +
"end\n" +
"\n" +
"rule \"test 2\"\n" +
" when\n" +
" a : RecordA( )\n" +
" b : RecordB( id == b.id, role == \"1\" )\n" +
" then\n" +
"end\n" +
"\n" +
"rule \"test 3\"\n" +
" when\n" +
" a : RecordA( )\n" +
" b : RecordB( id == b.id, role == \"2\" )\n" +
" then\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(4, ksession.fireAllRules());
}
@Test
public void testKnowledgeBaseEventSupportLeak() throws Exception {
// JBRULES-3666
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
KnowledgeBaseEventListener listener = new DefaultKnowledgeBaseEventListener();
kbase.addEventListener(listener);
kbase.addEventListener(listener);
assertEquals(1, ((KnowledgeBaseImpl) kbase).getRuleBase().getRuleBaseEventListeners().size());
kbase.removeEventListener(listener);
assertEquals(0, ((KnowledgeBaseImpl) kbase).getRuleBase().getRuleBaseEventListeners().size());
}
@Test
public void testReuseAgendaAfterException() throws Exception {
// JBRULES-3677
String str = "import org.drools.Person;\n" +
"global java.util.List results;" +
"rule R1\n" +
"ruleflow-group \"test\"\n" +
"when\n" +
" Person( $age : age ) \n" +
"then\n" +
" if ($age > 40) throw new RuntimeException(\"Too old\");\n" +
" results.add(\"OK\");" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> res = new ArrayList<String>();
ksession.setGlobal( "results", res );
AgendaEventListener agendaEventListener = new AgendaEventListener() {
public void activationCreated(org.drools.event.rule.ActivationCreatedEvent event) {
}
public void activationCancelled(org.drools.event.rule.ActivationCancelledEvent event) {
}
public void beforeActivationFired(org.drools.event.rule.BeforeActivationFiredEvent event) {
}
public void afterActivationFired(org.drools.event.rule.AfterActivationFiredEvent event) {
}
public void agendaGroupPopped(org.drools.event.rule.AgendaGroupPoppedEvent event) {
}
public void agendaGroupPushed(org.drools.event.rule.AgendaGroupPushedEvent event) {
}
public void beforeRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
}
public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
ksession.fireAllRules();
}
public void beforeRuleFlowGroupDeactivated(org.drools.event.rule.RuleFlowGroupDeactivatedEvent event) {
}
public void afterRuleFlowGroupDeactivated(org.drools.event.rule.RuleFlowGroupDeactivatedEvent event) {
}
};
ksession.addEventListener(agendaEventListener);
FactHandle fact1 = ksession.insert(new Person("Mario", 38));
((AgendaImpl)ksession.getAgenda()).activateRuleFlowGroup("test");
assertEquals(1, res.size());
res.clear();
ksession.retract(fact1);
FactHandle fact2 = ksession.insert(new Person("Mario", 48));
try {
((AgendaImpl)ksession.getAgenda()).activateRuleFlowGroup("test");
fail("should throw an Exception");
} catch (Exception e) { }
ksession.retract(fact2);
assertEquals(0, res.size());
// try to reuse the ksession after the Exception
FactHandle fact3 = ksession.insert(new Person("Mario", 38));
((AgendaImpl)ksession.getAgenda()).activateRuleFlowGroup("test");
assertEquals(1, res.size());
ksession.retract(fact3);
ksession.dispose();
}
@Test
public void testMVELForLoop() throws Exception {
// JBRULES-3717
String str = "rule demo\n" +
"dialect \"mvel\"\n" +
"when\n" +
"then\n" +
" for ( int i = 1; i <= 3; i++ ) {\n" +
" insert( \"foo\" + i );\n" +
" }\n" +
"end";
KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder();
builder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL);
if ( builder.hasErrors() ) {
throw new RuntimeException(builder.getErrors().toString());
}
}
@Test
public void testBigDecimalComparison() throws Exception {
// JBRULES-3715
String str = "import org.drools.Person;\n" +
"rule \"Big Decimal Comparison\"\n" +
" dialect \"mvel\"\n" +
"when\n" +
" Person( bigDecimal == 0.0B )\n" +
"then\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Person p = new Person("Mario", 38);
p.setBigDecimal(new BigDecimal("0"));
ksession.insert(p);
assertEquals(1, ksession.fireAllRules());
ksession.dispose();
}
@Test(timeout = 5000)
public void testInfiniteLoopCausedByInheritance() throws Exception {
// DROOLS-13
String str =
"declare Parent\n" +
" active : boolean\n" +
"end\n" +
" \n" +
"declare Child extends Parent\n" +
"end\n" +
" \n" +
"rule \"Init\"\n" +
"when\n" +
"then\n" +
" insert( new Child( false ) );\n" +
"end\n" +
" \n" +
"rule \"Print\"\n" +
"when\n" +
" $g : Child( active == true )\n" +
"then\n" +
"end\n" +
" \n" +
" \n" +
"rule \"Switch\"\n" +
"when\n" +
" $item : Parent( active == false )\n" +
"then\n" +
" modify ( $item ) {\n" +
" setActive( true );\n" +
" }\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.fireAllRules();
}
@Test
public void testIntSorting() {
// DROOLS-15
String str =
"global java.util.List list\n" +
"rule R\n" +
"dialect \"mvel\"\n" +
"when\n" +
" $number : Number()\n" +
" not Number(intValue < $number.intValue)\n" +
"then\n" +
" list.add($number);\n" +
" retract($number);\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<Integer> list = new ArrayList<Integer>();
ksession.setGlobal("list", list);
ksession.insert(5);
ksession.insert(6);
ksession.insert(4);
ksession.insert(1);
ksession.insert(2);
ksession.fireAllRules();
assertEquals(Arrays.asList(1, 2, 4, 5, 6), list);
}
@Test
public void testIntSorting2() {
// DROOLS-15
String str =
"global java.util.List list\n" +
"rule R\n" +
"dialect \"mvel\"\n" +
"when\n" +
" $number : Number()\n" +
" not Number(intValue > $number.intValue)\n" +
"then\n" +
" list.add($number);\n" +
" retract($number);\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<Integer> list = new ArrayList<Integer>();
ksession.setGlobal("list", list);
ksession.insert(3);
ksession.insert(7);
ksession.insert(4);
ksession.insert(5);
ksession.insert(2);
ksession.insert(1);
ksession.insert(6);
ksession.fireAllRules();
assertEquals(Arrays.asList(7, 6, 5, 4, 3, 2, 1), list);
}
@Test(timeout = 5000)
public void testPropertyReactiveOnAlphaNodeFollowedByAccumulate() {
// DROOLS-16
String str =
"package org.drools.pmml.pmml_4_1.test;\n" +
"\n" +
"declare Charge\n" +
" context : String\n" +
" index : String = \"-1\"\n" +
" source : String = \"-1\"\n" +
" value : double\n" +
"end\n" +
"\n" +
"declare Neuron\n" +
"@propertyReactive\n" +
" context : String @key\n" +
" index : String @key\n" +
" layerIndex : int\n" +
" bias : double\n" +
" fanIn : int\n" +
" value : double\n" +
" dvalue : double\n" +
" normalized : boolean\n" +
"end\n" +
"\n" +
"rule \"LinkSynapses\"\n" +
"when\n" +
"then\n" +
" Charge c = new Charge();\n" +
" c.setContext( \"MockCold\" );\n" +
" c.setSource( \"0\" );\n" +
" c.setIndex( \"1\" );\n" +
" c.setValue( 0.43 );\n" +
" insert(c);\n" +
"end\n" +
"\n" +
"rule \"NeuralFire_MockCold_Layer0\"\n" +
"when\n" +
" $neur : Neuron( context == \"MockCold\",\n" +
" layerIndex == 0\n" +
" )\n" +
" accumulate( $c : Charge( context == \"MockCold\", index == $neur.index, $in : value ),\n" +
" $list : collectList( $c ),\n" +
" $val : sum( $in );\n" +
" $list.size() == $neur.fanIn )\n" +
"then\n" +
" double x = 1.0; // $neur.getBias() + $val.doubleValue();\n" +
" modify ( $neur ) {\n" +
" setValue( x );\n" +
" }\n" +
"end\n" +
"\n" +
"rule \"BuildNeurons_MockCold_Layer0\"\n" +
"when\n" +
"then\n" +
" insert( new Neuron( \"MockCold\",\n" +
" \"1\",\n" +
" 0,\n" +
" 1.0,\n" +
" 1,\n" +
" 0.0,\n" +
" 0.0,\n" +
" true\n" +
" ) );\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(3, ksession.fireAllRules());
}
@Test
public void testPropertyReactiveAccumulateModification() {
// DROOLS-16
String str =
"package org.drools.test;\n" +
"\n" +
"declare Neuron\n" +
"@propertyReactive\n" +
" id : int\n" +
" value : double\n" +
"end\n" +
"\n" +
"declare Charge\n" +
" nId : int\n" +
" val : double\n" +
"end\n" +
"\n" +
"rule \"Log 2\"\n" +
"salience 9999\n" +
"when\n" +
" $n : Object();\n" +
"then\n" +
"end\n" +
"rule \"Update\"\n" +
"salience -9999\n" +
"when\n" +
" $c : Charge( val == 1.0 );\n" +
"then\n" +
" modify ( $c ) { " +
" setVal( 2.0 ); \n" +
" } \n" +
"end\n" +
"\n" +
"rule \"Init\"\n" +
"when\n" +
"then\n" +
" insert( new Neuron( 0, 0.0 ) );\n" +
" insert( new Charge( 0, 1.0 ) );\n" +
"end\n" +
"\n" +
"rule \"Modify\"\n" +
"salience -100\n" +
"when\n" +
" $n : Neuron( )\n" +
" accumulate( Charge( $v : val ), $x : sum( $v ) )\n" +
"then\n" +
" modify ( $n ) {\n" +
" setValue( $x.doubleValue() );\n" +
" }\n" +
"end\n" +
"\n" +
"rule \"Watch\"\n" +
"when\n" +
" $n : Neuron() @watch( value )" +
"then\n" +
"end\n" +
"\n" +
"query getNeuron\n" +
" Neuron( $value : value )\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.fireAllRules();
assertEquals(2.0, ksession.getQueryResults( "getNeuron" ).iterator().next().get( "$value" ));
}
@Test
public void testMvelAssignmentToPublicField() {
String str =
"import org.drools.integrationtests.MiscTest2.Foo\n" +
"rule R\n" +
"dialect \"mvel\"\n" +
"when\n" +
" $foo : Foo()\n" +
"then\n" +
" $foo.x = 1;\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Foo foo1 = new Foo();
Foo foo2 = new Foo();
ksession.insert(foo1);
ksession.insert(foo2);
ksession.fireAllRules();
assertEquals(1, foo1.x);
assertEquals(1, foo2.x);
}
public static class Foo {
public int x;
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
}
@Test
public void testMvelInvokeAsList() {
String str =
"import java.util.List;\n" +
"import java.util.Arrays;\n" +
"import java.util.ArrayList;\n" +
"\n" +
"declare Project\n" +
"@typesafe (false)\n" +
" list1 : List\n" +
" list2 : List\n" +
"end\n" +
"\n" +
"rule kickoff\n" +
"salience 999999\n" +
"when\n" +
"then\n" +
" insert( new Project() );\n" +
" insert( new Project() ); // necessary to trigger the exception\n" +
"end\n" +
"\n" +
"rule \" Config rule \"\n" +
"dialect \"mvel\"\n" +
"no-loop true\n" +
"when\n" +
" P : Project()\n" +
"then\n" +
" modify(P) {\n" +
" list1 = Arrays.asList(10, 15, 20, 25),\n" +
" list2 = Arrays.asList(11, 2, 3, 4, 5, 10, 9, 8, 7)\n" +
" };\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.fireAllRules();
}
@Test
public void testDynamicAddRule() {
// DROOLS-17
String str =
"import org.drools.integrationtests.MiscTest2.A\n" +
"rule r1 when\n" +
" $a : A( f1 == 1 )\n" +
"then\n" +
"end\n" +
"\n" +
"rule r2 when\n" +
" $a : A( f2 == 1 )\n" +
"then\n" +
"end\n" +
"\n" +
"rule r3 when\n" +
" $a : A( f3 == 1 )" +
"then\n" +
"end";
String str2 =
"import org.drools.integrationtests.MiscTest2.A\n" +
"rule r4 when\n" +
" $a : A( f2 == 1, f4 == 1 )" +
"then\n" +
"end";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ),
ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
fail( kbuilder.getErrors().toString() );
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
FactHandle fh = ksession.insert(new A(1, 1, 1, 1));
ksession.fireAllRules();
kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str2.getBytes() ),
ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
fail( kbuilder.getErrors().toString() );
}
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
ksession.fireAllRules();
// this second insert forces the regeneration of the otnIds
ksession.insert(new A(2, 2, 2, 2));
LeftTuple leftTuple = ((DefaultFactHandle) fh).getFirstLeftTuple();
ObjectTypeNode.Id letTupleOtnId = leftTuple.getLeftTupleSink().getLeftInputOtnId();
leftTuple = leftTuple.getLeftParentNext();
while ( leftTuple != null ) {
assertTrue( letTupleOtnId.before( leftTuple.getLeftTupleSink().getLeftInputOtnId() ) );
letTupleOtnId = leftTuple.getLeftTupleSink().getLeftInputOtnId();
leftTuple = leftTuple.getLeftParentNext();
}
}
@PropertyReactive
public static class A {
private int f1;
private int f2;
private int f3;
private int f4;
public A(int f1, int f2, int f3, int f4) {
this.f1 = f1;
this.f2 = f2;
this.f3 = f3;
this.f4 = f4;
}
public int getF1() {
return f1;
}
public void setF1(int f1) {
this.f1 = f1;
}
public int getF2() {
return f2;
}
public void setF2(int f2) {
this.f2 = f2;
}
public int getF3() {
return f3;
}
public void setF3(int f3) {
this.f3 = f3;
}
public int getF4() {
return f4;
}
public void setF4(int f4) {
this.f4 = f4;
}
@Override
public String toString() {
return "A[f1=" + f1 + ", f2=" + f2 + ", f3=" + f3 + ", f4=" + f4 + "]";
}
}
@Test
public void testNumberCoercionOnNonGenericMap() {
// JBRULES-3708
String str =
"package com.ilesteban.jit;\n" +
"\n" +
"import java.util.Map;\n" +
"import java.util.EnumMap;\n" +
"import org.drools.integrationtests.MiscTest2.Parameter\n" +
"import org.drools.integrationtests.MiscTest2.DataSample\n" +
"\n" +
"declare TestObject\n" +
" data : java.util.Map\n" +
"end\n" +
"\n" +
"rule \"Rule 1\"\n" +
"when\n" +
" $d: DataSample()\n" +
"then\n" +
" //create a new object copying the Map<Parameter, Double> to a Map<Object, Object>\n" +
" insert( new TestObject($d.getValues()));\n" +
"end\n" +
"\n" +
"rule \"Rule 2\"\n" +
"when\n" +
" TestObject(data[Parameter.PARAM_A] > 3)\n" +
"then\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Map<Parameter, Double> values = new EnumMap<Parameter, Double>(Parameter.class);
values.put(Parameter.PARAM_A, 4.0);
DataSample data = new DataSample();
data.setValues(values);
ksession.insert(data);
assertEquals(2, ksession.fireAllRules());
}
@Test
public void testPropertyReactivityWithNestedAccessorsInModify() {
// JBRULES-3691
String str =
"package com.ilesteban.rulenotbeingfired;\n" +
"\n" +
"import java.util.Map;\n" +
"import java.util.EnumMap;\n" +
"import org.drools.integrationtests.MiscTest2.Parameter\n" +
"import org.drools.integrationtests.MiscTest2.DataSample\n" +
"\n" +
"declare Recommendation\n" +
" parameter : Parameter\n" +
" value : double\n" +
"end\n" +
"\n" +
"rule \"Init\" salience 100\n" +
"when\n" +
"then\n" +
" insert(new Recommendation(Parameter.PARAM_A, 1.0));" +
"end\n" +
"rule \"Rule 1\"\n" +
"when\n" +
" $d: DataSample()\n" +
" $re: Recommendation ($p: parameter, $v: value)\n" +
"then\n" +
" System.out.println(drools.getRule().getName());\n" +
" modify($d){\n" +
" addValue($re.getParameter(), $re.getValue())\n" +
" }\n" +
"end\n" +
"\n" +
"rule \"Data with messages\"\n" +
"salience -100\n" +
"when\n" +
" $d: DataSample(notEmpty == true)\n" +
"then\n" +
" System.out.println(drools.getRule().getName());\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(new DataSample());
assertEquals(3, ksession.fireAllRules());
}
public enum Parameter { PARAM_A, PARAM_B }
@PropertyReactive
public static class DataSample {
private Map<Parameter, Double> values = new EnumMap<Parameter, Double>(Parameter.class);
public Map<Parameter, Double> getValues() {
return values;
}
public void setValues(Map<Parameter, Double> values) {
this.values = values;
}
@Modifies({"values", "notEmpty"})
public void addValue(Parameter p, double value){
this.values.put(p, value);
}
public boolean isNotEmpty(){
return !this.values.isEmpty();
}
}
@Test
public void testMvelResolvingGenericVariableDeclaredInParentClass() {
// JBRULES-3684
String str =
"import org.drools.integrationtests.MiscTest2.AbstractBase\n" +
"import org.drools.integrationtests.MiscTest2.StringConcrete\n" +
"rule \"test\"\n" +
"dialect \"mvel\"\n" +
"when\n" +
"$S : StringConcrete()\n" +
"then\n" +
"$S.getFoo().concat(\"this works with java dialect\");\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
}
public static abstract class AbstractBase<T> {
protected T foo;
public T getFoo() { return foo; }
}
public static class StringConcrete extends AbstractBase<String> {
public StringConcrete() { this.foo = new String(); }
}
@Test
public void testMvelParsingParenthesisInString() {
// JBRULES-3698
String str =
"rule \"Test Rule\"\n" +
"dialect \"mvel\"\n" +
"when\n" +
"then\n" +
"String s = new String(\"write something with ) a paren\");\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
}
public static enum Answer { YES, NO }
public static class AnswerGiver {
public Answer getAnswer() { return Answer.YES; }
}
@Test
public void testCompilationMustFailComparingAClassLiteral() {
// DROOLS-20
String str =
"import org.drools.integrationtests.MiscTest2.Answer\n" +
"import org.drools.integrationtests.MiscTest2.AnswerGiver\n" +
"rule \"Test Rule\"\n" +
"when\n" +
" AnswerGiver(Answer == Answer.YES)\n" +
"then\n" +
"end";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL );
assertTrue( kbuilder.hasErrors() );
}
@Test
public void testDeclaredTypeExtendingInnerClass() {
// DROOLS-27
String str =
"import org.drools.integrationtests.MiscTest2.StaticPerson\n" +
"declare StaticPerson end\n"+
"declare Student extends StaticPerson end\n"+
"rule Init when\n" +
"then\n" +
" Student s = new Student();\n" +
" s.setName( \"Mark\" );\n" +
" insert( s );\n" +
"end\n" +
"rule Check when\n" +
" StaticPerson( name == \"Mark\")\n" +
"then\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
}
public static class StaticPerson {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
@Test
public void testAllowEqualityBetweenObjectAndPrimitiveInt() {
// DROOLS-20
String str =
"declare Bean\n" +
" items : int\n" +
"end\n" +
"\n" +
"rule \"O\"\n" +
"when\n" +
"then\n" +
" insert( new Bean( 2 ) );\n" +
"end\n" +
"\n" +
"rule \"X\"\n" +
"when\n" +
" Bean( $num : items ) \n" +
" accumulate( $o : Object(),\n" +
" $list : collectList( $o );\n" +
" $list.size == $num" +
" )\n" +
"then\n" +
" System.out.println( \"Success!\" );\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals( 2, ksession.fireAllRules() );
}
@Test
public void testJitConstraintWithOperationOnBigDecimal() {
// DROOLS-32
String str =
"import org.drools.integrationtests.MiscTest2.Model;\n" +
"import java.math.BigDecimal;\n" +
"\n" +
"rule \"minCost\" dialect \"mvel\" \n" +
"when\n" +
" $product : Model(price < (cost + 0.10B))\n" +
"then\n" +
" modify ($product) { price = $product.cost + 0.10B }\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
final Model model = new Model();
model.setCost(new BigDecimal("2.43"));
model.setPrice(new BigDecimal("2.43"));
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(model);
int fired = ksession.fireAllRules(2);
if (fired > 1)
throw new RuntimeException("loop");
}
public static class Model {
private BigDecimal cost;
private BigDecimal price;
public BigDecimal getCost() {
return cost;
}
public void setCost(BigDecimal cost) {
this.cost = cost;
}
public BigDecimal getPrice() {
return price;
}
public void setPrice(BigDecimal price) {
this.price = price;
}
}
@Test
public void testJitComparable() {
// DROOLS-37
String str =
"import org.drools.integrationtests.MiscTest2.IntegerWrapperImpl;\n" +
"\n" +
"rule \"minCost\"\n" +
"when\n" +
" $a : IntegerWrapperImpl()\n" +
" IntegerWrapperImpl( this < $a )\n" +
"then\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(new IntegerWrapperImpl(2));
ksession.insert(new IntegerWrapperImpl(3));
assertEquals(1, ksession.fireAllRules());
}
interface IntegerWraper {
int getInt();
}
public static abstract class AbstractIntegerWrapper implements IntegerWraper, Comparable<IntegerWraper> { }
public static class IntegerWrapperImpl extends AbstractIntegerWrapper {
private final int i;
public IntegerWrapperImpl(int i) {
this.i = i;
}
public int compareTo(IntegerWraper o) {
return getInt() - o.getInt();
}
public int getInt() {
return i;
}
}
@Test @Ignore("fixed with mvel 2.1.5.Final")
public void testEqualityOfDifferentTypes() {
// DROOLS-42
String str =
"declare Person\n" +
" name: String\n" +
"end\n" +
"declare Customer\n" +
"extends Person\n" +
" rating: int\n" +
"end\n" +
"declare Employee\n" +
"extends Person\n" +
" wage: int\n" +
"end\n" +
"\n" +
"rule initphone\n" +
"salience 100\n" +
"when\n" +
"then\n" +
" insert( new Customer( \"Joe\", 100 ) );\n" +
" insert( new Employee( \"Paul\", 2100 ) );\n" +
"end\n" +
"\n" +
"rule match\n" +
"when\n" +
" $c: Customer()\n" +
" $e: Employee( this != $c )\n" +
"then\n" +
" System.out.println( \"c/e \" + $c + \" \" + $e );\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.fireAllRules();
}
@Test
public void testUnificationInRule() {
// DROOLS-45
String str =
"declare A\n" +
"end\n" +
"\n" +
"declare B\n" +
" inner : A\n" +
"end\n" +
"\n" +
"rule \"Init\"\n" +
"when\n" +
"then\n" +
" A a = new A();\n" +
" insert( a );\n" +
" insert( new B( a ) );\n" +
"end\n" +
"\n" +
"rule \"Check\"\n" +
"when\n" +
" B( $in := inner )\n" +
" $in := A()\n" +
"then\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
}
@Test
public void testDeclarationsScopeUsingOR() {
// DROOLS-44
String str =
"declare A\n" +
" a1 : String\n" +
"end\n" +
"\n" +
"declare B\n" +
" b1 : String\n" +
"end\n" +
"\n" +
"rule Init salience 10 when \n" +
"then\n" +
" insert( new A( \"A\" ) );\n" +
" insert( new B( null ) );\n" +
"end\n" +
"\n" +
"rule R when \n" +
" A ( $a1 : a1 != null )\n" +
" (or\n" +
" (and\n" +
" B( $b1 : b1 != null )\n" +
" eval( $a1.compareTo( $b1 ) < 0 )\n" +
" )\n" +
" (and\n" +
" B( b1 == null )\n" +
" eval( $a1.compareTo(\"B\") < 0 )\n" +
" )\n" +
" )\n" +
"then\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
}
@Test
public void testQueryAfterEvalInsideOR() {
// DROOLS-54
String str =
"package pakko\n" +
"\n" +
"declare Holder\n" +
" str : String\n" +
"end\n" +
"\n" +
"declare Bean\n" +
" val : String\n" +
"end\n" +
"\n" +
"declare Mock end \n" +
"\n" +
"rule \"Init\"\n" +
"when\n" +
"then\n" +
" insert( new Bean( \"xyz\" ) );\n" +
" insert( new Holder( \"xyz\" ) );\n" +
" insert( new Mock() );\n" +
"end\n" +
"\n" +
"query mock( Mock $m ) $m := Mock() end\n" +
"\n" +
"rule \"Check\"\n" +
"when\n" +
" $b : Bean( $t : val )\n" +
" ( Holder( $t ; ) or eval( $t.startsWith( \"abc\" ) ) )\n" +
" mock( $m ; ) \n" +
"then\n" +
" System.out.println( $m );\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
}
@Test
public void testPackageVisibility() {
// DROOLS-61
String str =
"package org.drools.integrationtests;\n" +
"rule \"getX\"\n" +
"when\n" +
" $x: PackageProtected( )\n" +
"then\n" +
" System.out.println( $x );\n" +
"end";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL );
assertTrue( kbuilder.hasErrors() );
}
@Test
public void testNullValueInFrom() {
// DROOLS-71
String str =
"global java.util.List list\n" +
"\n" +
"rule R\n" +
"when\n" +
" $i : Integer( ) from list\n" +
"then\n" +
"end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<Integer> list = new ArrayList<Integer>();
ksession.setGlobal("list", list);
list.add(1);
list.add(null);
list.add(2);
ksession.fireAllRules();
}
@Test
public void testAvoidUnwantedSemicolonWhenDelimitingExpression() {
// DROOLS-86
String str =
"global java.util.List l\n" +
"rule rule1 \n" +
" dialect \"mvel\" \n" +
"when \n" +
"then \n" +
" String s = \"http://onefineday.123\";\n" +
" l.add(s);\n" +
"end \n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> l = new ArrayList<String>();
ksession.setGlobal("l", l);
ksession.fireAllRules();
assertEquals("http://onefineday.123", l.get(0));
}
@Test
public void testJitCastOfPrimitiveType() {
// DROOLS-79
String str =
"rule R when\n" +
" Number(longValue < (Long)7)\n" +
"then\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(new Long(6));
assertEquals(1, ksession.fireAllRules());
}
public static class Foo2 {
@Position(0)
public int x;
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
}
@Test
public void testSelfChangingRuleSet() {
// DROOLS-92
String str =
"package org.drools.integrationtests;\n" +
"" +
"import org.drools.integrationtests.MiscTest2.Foo2; \n" +
"" +
"global java.util.List list; \n" +
"\n" +
"rule \"Prep\" \n" +
"when \n" +
" $packs : java.util.Collection() \n" +
"then \n" +
" drools.getKnowledgeRuntime().getKnowledgeBase().addKnowledgePackages( $packs );" +
"end \n" +
"" +
"rule \"Self-change\"\n" +
"when\n" +
" String( this == \"go\" )\n" +
"then\n" +
" drools.getKnowledgeRuntime().getKnowledgeBase().removeRule( \"org.drools.integrationtests\", \"React\" ); \n" +
"end\n" +
"\n" +
"\n" +
"rule \"Insert\"\n" +
"when\n" +
" $i : Integer()\n" +
"then\n" +
" Foo2 foo = new Foo2();\n " +
" foo.setX( $i ); \n" +
" insert( foo );\n" +
"end\n" +
"" +
"";
String str2 =
"package org.drools.integrationtests;\n" +
"" +
"import org.drools.integrationtests.MiscTest2.Foo2; \n" +
"global java.util.List list;\n " +
"rule \"React\"\n" +
"when\n" +
" $b : Foo2( x < 10 )\n" +
"then\n" +
" System.out.println( \" Foo2 is in \" + $b.getX() );" +
" list.add( $b ); \n" +
"end\n";
KnowledgeBuilder knowledgeBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
knowledgeBuilder.add( new ByteArrayResource( str2.getBytes() ), ResourceType.DRL );
System.out.println( knowledgeBuilder.getErrors() );
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List list = new ArrayList();
ksession.setGlobal( "list", list );
ksession.insert( knowledgeBuilder.getKnowledgePackages() );
ksession.insert( new Integer( 1 ) );
ksession.fireAllRules();
ksession.insert( "go" );
ksession.fireAllRules();
ksession.insert( new Integer( 2 ) );
ksession.fireAllRules();
assertEquals( 1, list.size() );
}
@Test
public void testMatchIntegers() {
// DROOLS-94
String str =
"global java.util.List list; \n" +
"rule R when\n" +
" $i : Integer( this == 1 )\n" +
"then\n" +
" list.add( $i );\n" +
"end\n" +
"rule S when\n" +
" $i : Integer( this == 2 )\n" +
"then\n" +
" list.add( $i );\n" +
"end\n" +
"rule T when\n" +
" $i : Integer( this == 3 )\n" +
"then\n" +
" list.add( $i );\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List list = new ArrayList();
ksession.setGlobal( "list", list );
ksession.insert( new Integer( 1 ) );
ksession.fireAllRules();
}
public static class SimpleEvent {
private long duration;
public long getDuration() {
return duration;
}
public void setDuration(long duration) {
this.duration = duration;
}
}
@Test
public void testDurationAnnotation() {
// DROOLS-94
String str =
"package org.drools.integrationtests;\n" +
"import org.drools.integrationtests.MiscTest2.SimpleEvent\n" +
"declare SimpleEvent\n" +
" @role(event)\n" +
" @duration(duration)\n" +
"end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
}
@Test
public void testDurationAnnotationWithError() {
// DROOLS-94
String str =
"package org.drools.integrationtests;\n" +
"import org.drools.integrationtests.MiscTest2.SimpleEvent\n" +
"declare SimpleEvent\n" +
" @role(event)\n" +
" @duration(duratio)\n" +
"end\n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ), ResourceType.DRL );
assertTrue(kbuilder.hasErrors());
}
}