com.cloudera.llama.am.api.TestLlamaAM.java Source code

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Here is the source code for com.cloudera.llama.am.api.TestLlamaAM.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 com.cloudera.llama.am.api;

import com.cloudera.llama.am.spi.RMConnector;
import com.cloudera.llama.am.spi.RMListener;
import com.cloudera.llama.am.spi.RMResource;
import com.cloudera.llama.util.LlamaException;
import com.cloudera.llama.util.UUID;
import com.codahale.metrics.MetricRegistry;

import org.apache.hadoop.conf.Configuration;
import org.junit.Assert;
import org.junit.Test;

import java.util.Arrays;
import java.util.Collection;
import java.util.List;

public class TestLlamaAM {

    public static class MyRMConnector implements RMConnector {
        static boolean created;

        public MyRMConnector() {
            created = true;
        }

        @Override
        public void setRMListener(RMListener listener) {
        }

        @Override
        public void start() throws LlamaException {
        }

        @Override
        public void stop() {
        }

        @Override
        public void register(String queue) throws LlamaException {
        }

        @Override
        public void unregister() {
        }

        @Override
        public List<NodeInfo> getNodes() throws LlamaException {
            return Arrays.asList(new NodeInfo[] { new NodeInfo("n1", 8, 8096) });
        }

        @Override
        public void reserve(Collection<RMResource> resources) throws LlamaException {
        }

        @Override
        public void release(Collection<RMResource> resources, boolean doNotCache) throws LlamaException {
        }

        @Override
        public boolean reassignResource(Object rmResourceId, UUID resourceId) {
            return false;
        }

        public void emptyCache() throws LlamaException {
        }

        @Override
        public void setMetricRegistry(MetricRegistry registry) {
        }

        @Override
        public boolean hasResources() {
            return false;
        }

        @Override
        public void deleteAllReservations() {
        }
    }

    private void testCreate(Configuration conf) throws Exception {
        LlamaAM am = LlamaAM.create(conf);
        try {
            am.start();
            am.reserve(TestUtils.createReservation(true));
            Assert.assertTrue(MyRMConnector.created);
        } finally {
            am.stop();
        }
    }

    @Test
    public void testCreate() throws Exception {
        Configuration conf = new Configuration(false);
        conf.setClass(LlamaAM.RM_CONNECTOR_CLASS_KEY, MyRMConnector.class, RMConnector.class);
        testCreate(conf);
    }

}