ParseServiceTest.java

/**
 *  Copyright 2005-2016 Red Hat, Inc.
 *
 *  Red Hat licenses this file to you 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 io.fabric8.kubernetes.api;

import io.fabric8.kubernetes.api.model.Service;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.util.Set;

import static io.fabric8.kubernetes.api.KubernetesHelper.getContainerPorts;
import static io.fabric8.kubernetes.api.KubernetesHelper.getPorts;
import static io.fabric8.utils.Files.assertFileExists;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

/**
 * Parses the example JSON
 */
public class ParseServiceTest {

    private static final transient Logger LOG = LoggerFactory.getLogger(ParseServiceTest.class);

    @Test
    public void testParseFabric8MQService() throws Exception {
        Service service = assertParseTestFile("fmq-service.json", Service.class);
        Set<Integer> ports = getPorts(service);
        assertNotNull("ports", ports);
        Set<Integer> containerPorts = getContainerPorts(service);
        assertTrue("containerPorts " + containerPorts, containerPorts.iterator().next().intValue() > 0);

        String json = KubernetesHelper.toJson(service);
        LOG.info("Got JSON: " + json);
    }

    public <T> T assertParseTestFile(String relativePath, Class<T> clazz) throws IOException {
        String baseDirPath = System.getProperty("basedir", ".");
        File baseDir = new File(baseDirPath);
        File json = new File(baseDirPath, "target/test-classes/" + relativePath);
        assertFileExists(json);

        Object answer = KubernetesHelper.loadJson(json);
        assertNotNull("Null returned while unmarshalling " + json, answer);
        LOG.info("Parsed: " + json + " as: " + answer);
        assertTrue("Result " + answer + " is not an instance of " + clazz.getName() + " but was " + (answer == null ? "null" : answer.getClass().getName()),
                clazz.isInstance(answer));
        return clazz.cast(answer);
    }
}