evaluatorfactorytest.java

jboss规则引擎

package org.drools.base;

/*
 * 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.
 */

import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import junit.framework.TestCase;

import org.drools.spi.Evaluator;

/**
 * Some test coverage goodness for the evaluators.
 * Evaluator concrete instances are inside the factory at this time.
 * @author Michael Neale
 */
public class EvaluatorFactoryTest extends TestCase {

    public void testObject() {

        final List list = new ArrayList();
        list.add( "foo" );

        final Object[][] data = {
                {"foo", "==", "bar", Boolean.FALSE}, 
                {"foo", "==", "foo", Boolean.TRUE}, 
                {"foo", "!=", "bar", Boolean.TRUE}, 
                {list, "contains", "foo", Boolean.TRUE}, 
                {list, "contains", "bar", Boolean.FALSE},
                {list, "==", null, Boolean.FALSE}, 
                {list, "!=", null, Boolean.TRUE}, 
                {null, "==", null, Boolean.TRUE}, 
                {null, "==", list, Boolean.FALSE}, 
                {null, "!=", list, Boolean.TRUE}, 
                {new BigDecimal( "42.42" ), "<", new BigDecimal( "43" ), Boolean.TRUE},
                {new BigDecimal( "42.42" ), ">", new BigDecimal( "43" ), Boolean.FALSE}, 
                {new BigDecimal( "42.42" ), "<=", new BigDecimal( "42.42" ), Boolean.TRUE}, 
                {new BigInteger( "42" ), ">=", new BigInteger( "43" ), Boolean.FALSE},
                {new BigInteger( "42" ), ">=", new BigInteger( "43" ), Boolean.FALSE}, 
                {list, "excludes", "baz", Boolean.TRUE}, 
                {list, "excludes", "foo", Boolean.FALSE}

        };

        runEvaluatorTest( data,
                          Evaluator.OBJECT_TYPE );

    }

    public void testArrayType() {

        final Object[] field = new Object[]{"foo", "bar"};

        final Object[][] data = {
                {field, "==", new Object[]{"foo"}, Boolean.FALSE}, 
                {field, "==", field, Boolean.TRUE}, 
                {field, "!=", new Object[]{"foo"}, Boolean.TRUE}, 
                {field, "contains", "foo", Boolean.TRUE}, 
                {field, "!=", null, Boolean.TRUE},
                {field, "==", null, Boolean.FALSE}, 
                {null, "==", field, Boolean.FALSE},
                {null, "==", null, Boolean.TRUE},
                {null, "!=", field, Boolean.TRUE}, 
                {null, "!=", null, Boolean.FALSE}};

        runEvaluatorTest( data,
                          Evaluator.ARRAY_TYPE );

    }

    public void testString() {

        final Object[][] data = {
                {"foo", "==", "bar", Boolean.FALSE}, 
                {"foo", "==", "foo", Boolean.TRUE}, 
                {"foo", "!=", "bar", Boolean.TRUE}, 
                {"something foo", "matches", ".*foo", Boolean.TRUE}, 
                {"foo", "matches", ".*foo", Boolean.TRUE},
                {"foo", "matches", "bar", Boolean.FALSE}, 
                {null, "matches", ".*foo", Boolean.FALSE}, 
                {"foo", "==", null, Boolean.FALSE}, 
                {"foo", "!=", null, Boolean.TRUE}, 
                {null, "==", null, Boolean.TRUE}, 
                {"foo", "!=", null, Boolean.TRUE},
                {null, "!=", "foo", Boolean.TRUE}, 
                {null, "!=", null, Boolean.FALSE}
        };

        runEvaluatorTest( data,
                          Evaluator.STRING_TYPE );

    }

    public void testInteger() {

        final Object[][] data = {
                {new Integer( 42 ), "==", new Integer( 42 ), Boolean.TRUE}, 
                {new Integer( 42 ), "<", new Integer( 43 ), Boolean.TRUE}, 
                {new Integer( 42 ), ">=", new Integer( 41 ), Boolean.TRUE},
                {new Integer( 42 ), "!=", new Integer( 41 ), Boolean.TRUE}, 
                {new Integer( 42 ), ">", new Integer( 41 ), Boolean.TRUE}, 
                {new Integer( 42 ), "<=", new Integer( 42 ), Boolean.TRUE},
                {new Integer( 42 ), ">", new Integer( 100 ), Boolean.FALSE}, 
                {new Integer( 42 ), "==", null, Boolean.FALSE}, 
                {new Integer( 42 ), "!=", null, Boolean.TRUE}, 
                {null, "==", null, Boolean.TRUE}, 
                {null, "==", new Integer( 42 ), Boolean.FALSE},
                {null, "!=", null, Boolean.FALSE}, 
                {null, "!=", new Integer( 42 ), Boolean.TRUE}};

        runEvaluatorTest( data,
                          Evaluator.INTEGER_TYPE );

    }

    public void testShort() {

        //Test data: Obj1, Operand, Obj2
        final Object[][] data = {
                {new Short( (short) 42 ), "==", new Short( (short) 42 ), Boolean.TRUE}, 
                {new Short( (short) 42 ), "<", new Short( (short) 43 ), Boolean.TRUE}, 
                {new Short( (short) 42 ), ">=", new Short( (short) 41 ), Boolean.TRUE},
                {new Short( (short) 42 ), "!=", new Short( (short) 41 ), Boolean.TRUE}, 
                {new Short( (short) 42 ), "!=", null, Boolean.TRUE},
                {null, "==", null, Boolean.TRUE}, 
                {null, "==", new Short( (short) 42 ), Boolean.FALSE},
                {null, "!=", null, Boolean.FALSE}, 
                {null, "!=", new Short( (short) 42 ), Boolean.TRUE}};

        runEvaluatorTest( data,
                          Evaluator.SHORT_TYPE );
    }

    public void testBoolean() {

        //Test data: Obj1, Operand, Obj2
        final Object[][] data = {
                {new Boolean( true ), "==", new Boolean( true ), Boolean.TRUE}, 
                {new Boolean( false ), "!=", new Boolean( true ), Boolean.TRUE}, 
                {new Boolean( true ), "==", new Boolean( false ), Boolean.FALSE},
                {new Boolean( true ), "!=", new Boolean( false ), Boolean.TRUE}, 
                {new Boolean( true ), "==", null, Boolean.FALSE}, 
                {new Boolean( true ), "!=", null, Boolean.TRUE}, 
                {null, "==", new Boolean( true ), Boolean.FALSE}, 
                {null, "!=", new Boolean( true ), Boolean.TRUE}, 
                {null, "==", null, Boolean.TRUE}

        };

        runEvaluatorTest( data,
                          Evaluator.BOOLEAN_TYPE );
    }

    public void testDouble() {
        final Object[][] data = {
                {new Double( 42 ), "==", new Double( 42 ), Boolean.TRUE}, 
                {new Double( 42 ), "<", new Double( 43 ), Boolean.TRUE}, 
                {new Double( 42 ), ">=", new Double( 41 ), Boolean.TRUE},
                {new Double( 42 ), "!=", new Double( 41 ), Boolean.TRUE}, 
                {new Double( 42 ), ">", new Double( 41 ), Boolean.TRUE},