/*
 * 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.
 * 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.karaf.itest;

import javax.inject.Inject;

import org.apache.karaf.features.FeaturesService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.kie.api.runtime.manager.RuntimeManagerFactory;
import org.ops4j.pax.exam.Configuration;
import org.ops4j.pax.exam.Option;
import org.ops4j.pax.exam.junit.PaxExam;
import org.ops4j.pax.exam.karaf.options.LogLevelOption;
import org.ops4j.pax.exam.spi.reactors.ExamReactorStrategy;
import org.ops4j.pax.exam.spi.reactors.PerMethod;

import static org.junit.Assert.*;
import static org.ops4j.pax.exam.karaf.options.KarafDistributionOption.*;

@RunWith(PaxExam.class)
@ExamReactorStrategy(PerMethod.class)
public class RuntimeManagerFeatureKarafIntegrationTest extends AbstractKarafIntegrationTest {

    @Inject
    protected FeaturesService featuresService;

    @Test
    public void testJbpmRuntimeManager() throws Exception {
        // use class loader that imports jbpm otherwise it will use kie api classloader
        ClassLoader classLoader = this.getClass().getClassLoader();
        // attempt to obtain RuntimeManagerFactory when KIE-API and Drools features are installed, but no jBPM
        RuntimeManagerFactory runtimeManagerFactory = RuntimeManagerFactory.Factory.get(classLoader);
        assertNull("KIE-API created non-null RuntimeManagerFactory when jBPM was not installed.", runtimeManagerFactory);

        // install jBPM feature
        featuresService.installFeature("jbpm");

        // attempt to obtain RuntimeManagerFactory once again, now jBPM is installed so it should succeed
        runtimeManagerFactory = RuntimeManagerFactory.Factory.get(classLoader);
        assertNotNull("KIE-API created null RuntimeManagerFactory after jBPM was installed.", runtimeManagerFactory);
    }

    @Configuration
    public static Option[] configure() {
        return new Option[]{
                // Install Karaf Container
                getKarafDistributionOption(),

                // It is really nice if the container sticks around after the test so you can check the contents
                // of the data directory when things go wrong.
                keepRuntimeFolder(),
                // Don't bother with local console output as it just ends up cluttering the logs
                configureConsole().ignoreLocalConsole(),
                // Force the log level to INFO so we have more details during the test.  It defaults to WARN.
                logLevel(LogLevelOption.LogLevel.INFO),

                // Option to be used to do remote debugging
                // debugConfiguration("5005", true),

                // Load drools-module feature only (installs KIE-API and Drools, no jBPM)
                loadKieFeatures("drools-module")
        };
    }
}