com.linkedin.pinot.core.query.scheduler.resources.ResourceManagerTest.java Source code

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Here is the source code for com.linkedin.pinot.core.query.scheduler.resources.ResourceManagerTest.java

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/**
 * Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
 *
 * 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 com.linkedin.pinot.core.query.scheduler.resources;

import com.linkedin.pinot.common.query.ServerQueryRequest;
import com.linkedin.pinot.core.query.scheduler.SchedulerGroupAccountant;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.testng.annotations.Test;

import static org.mockito.Mockito.*;
import static org.testng.Assert.*;

public class ResourceManagerTest {

    @Test
    public void testCanSchedule() throws Exception {
        ResourceManager rm = getResourceManager(2, 5, 1, 3);

        SchedulerGroupAccountant accountant = mock(SchedulerGroupAccountant.class);
        when(accountant.totalReservedThreads()).thenReturn(3);
        assertFalse(rm.canSchedule(accountant));

        when(accountant.totalReservedThreads()).thenReturn(2);
        assertTrue(rm.canSchedule(accountant));
    }

    private ResourceManager getResourceManager(int runners, int workers, final int softLimit, final int hardLimit) {

        return new ResourceManager(getConfig(runners, workers)) {

            @Override
            public QueryExecutorService getExecutorService(ServerQueryRequest query,
                    SchedulerGroupAccountant accountant) {
                return new QueryExecutorService() {
                    @Override
                    public void execute(Runnable command) {
                        getQueryWorkers().execute(command);
                    }
                };
            }

            @Override
            public int getTableThreadsHardLimit() {
                return hardLimit;
            }

            @Override
            public int getTableThreadsSoftLimit() {
                return softLimit;
            }
        };
    }

    private Configuration getConfig(int runners, int workers) {
        Configuration config = new PropertiesConfiguration();
        config.setProperty(ResourceManager.QUERY_RUNNER_CONFIG_KEY, runners);
        config.setProperty(ResourceManager.QUERY_WORKER_CONFIG_KEY, workers);
        return config;
    }
}