/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 
 *      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.decisiontable;

import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;

import org.drools.kiesession.rulebase.InternalKnowledgeBase;
import org.drools.kiesession.rulebase.KnowledgeBaseFactory;
import org.junit.Test;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.KieSession;
import org.kie.internal.builder.DecisionTableConfiguration;
import org.kie.internal.builder.DecisionTableInputType;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.io.ResourceFactory;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.fail;

public class FixedPatternTest {

    @Test
    public void testFixedPattern() throws FileNotFoundException {

        DecisionTableConfiguration dtconf = KnowledgeBuilderFactory.newDecisionTableConfiguration();
        dtconf.setInputType(DecisionTableInputType.XLS);
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add(ResourceFactory.newClassPathResource("fixedPattern.drl.xls", getClass()), ResourceType.DTABLE, dtconf);
        if (kbuilder.hasErrors()) {
            fail( kbuilder.getErrors().toString() );
        }
        InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addPackages(kbuilder.getKnowledgePackages());
        
        KieSession ksession = kbase.newKieSession();

        List<Long> list = new ArrayList<Long>();
        ksession.setGlobal("list", list);

        ksession.insert(1L);
        ksession.insert(2);
        ksession.fireAllRules();

        assertThat(list.size()).isEqualTo(1);
        assertThat((long) list.get(0)).isEqualTo(1L);

        ksession.dispose();
    }
}
