SpringInjectedPropertyHolderTest.java

/*
 * #%L
 * Nazgul Project: nazgul-core-cache-impl-hazelcast
 * %%
 * Copyright (C) 2010 - 2017 jGuru Europe AB
 * %%
 * Licensed under the jGuru Europe AB license (the "License"), based
 * on Apache License, Version 2.0; you may not use this file except
 * in compliance with the License.
 *
 * You may obtain a copy of the License at
 *
 *      http://www.jguru.se/licenses/jguruCorporateSourceLicense-2.0.txt
 *
 * 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.
 * #L%
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 */
package se.jguru.nazgul.core.cache.impl.hazelcast.clients;

import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.joran.JoranConfigurator;
import ch.qos.logback.core.joran.spi.JoranException;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import se.jguru.nazgul.core.algorithms.api.NetworkAlgorithms;

import javax.inject.Inject;
import java.net.URL;

/**
 * @author <a href="mailto:lj@jguru.se">Lennart Jörelid</a>, jGuru Europe AB
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/config/spring/propertyHolder-applicationContext.xml")
public class SpringInjectedPropertyHolderTest {

    // Shared state
    @Inject
    private ApplicationContext context;

    private static final String localListeningIp = NetworkAlgorithms.getAllLocalNetworkAddresses(
    NetworkAlgorithms.PUBLIC_IPV4_FILTER, null)
            .stream()
            .findFirst()
            .orElseThrow(() -> new RuntimeException(
                    "Cannot build the HazelcastCacheImplementation project without any active Inet4Addresses"));
    private static final Integer localListeningPort = 5701;
    private static final String cluster = "testCluster";
    private static final String members = "testMembers";

    @BeforeClass
    public static void addRequiredSystemProperties() {

        System.setProperty(PropertyHolder.CACHE_CLUSTER_KEY, cluster);
        System.setProperty(PropertyHolder.CACHE_IP_KEY, localListeningIp);
        System.setProperty(PropertyHolder.CACHE_PORT_KEY, "" + localListeningPort);
        System.setProperty(PropertyHolder.CACHE_MEMBERS_KEY, members);

        // Load the Logback configuration
        final ClassLoader ctxClassLoader = Thread.currentThread().getContextClassLoader();
        final URL logbackURL = ctxClassLoader.getResource("config/logging/logback-test.xml");

        final LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
        final JoranConfigurator configurator = new JoranConfigurator();
        configurator.setContext(context);

        try {
            configurator.doConfigure(logbackURL);
        } catch (JoranException e) {
            e.printStackTrace();
        }
    }

    @AfterClass
    public static void removeRequiredSystemProperties() {

        System.clearProperty(PropertyHolder.CACHE_CLUSTER_KEY);
        System.clearProperty(PropertyHolder.CACHE_MEMBERS_KEY);
        System.clearProperty(PropertyHolder.CACHE_IP_KEY);
        System.clearProperty(PropertyHolder.CACHE_PORT_KEY);
    }

    @Test
    public void validateInjectedPropertyHolder() {

        // Assemble
        final PropertyHolder propertyHolder = context.getBean(PropertyHolder.class);
        final String injectedMembers = context.getBean("members", String.class);
        final String injectedCluster = context.getBean("cluster", String.class);
        final String injectedIp = context.getBean("listenerIp", String.class);
        final Integer injectedPort = context.getBean("listenerPort", Integer.class);

        // Act & Assert
        Assert.assertEquals(members, injectedMembers);
        Assert.assertEquals(cluster, propertyHolder.getCacheClusterId());
        Assert.assertEquals(cluster, injectedCluster);
        Assert.assertEquals(localListeningIp, injectedIp);
        Assert.assertEquals(localListeningPort, injectedPort);
    }
}