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

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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.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 UnboundedResourceManagerTest {

    @Test
    public void testDefault() {
        Configuration config = new PropertiesConfiguration();

        UnboundedResourceManager rm = new UnboundedResourceManager(config);
        assertTrue(rm.getNumQueryRunnerThreads() > 1);
        assertTrue(rm.getNumQueryWorkerThreads() >= 1);
        assertEquals(rm.getTableThreadsHardLimit(), rm.getNumQueryRunnerThreads() + rm.getNumQueryWorkerThreads());
        assertEquals(rm.getTableThreadsSoftLimit(), rm.getNumQueryRunnerThreads() + rm.getNumQueryWorkerThreads());
    }

    @Test
    public void testWithConfig() {
        Configuration config = new PropertiesConfiguration();
        final int workers = 5;
        final int runners = 2;

        config.setProperty(ResourceManager.QUERY_RUNNER_CONFIG_KEY, runners);
        config.setProperty(ResourceManager.QUERY_WORKER_CONFIG_KEY, workers);

        UnboundedResourceManager rm = new UnboundedResourceManager(config);
        assertEquals(rm.getNumQueryWorkerThreads(), workers);
        assertEquals(rm.getNumQueryRunnerThreads(), runners);
        assertEquals(rm.getTableThreadsHardLimit(), runners + workers);
        assertEquals(rm.getTableThreadsSoftLimit(), runners + workers);

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

        when(accountant.totalReservedThreads()).thenReturn(workers + runners + 2);
        assertFalse(rm.canSchedule(accountant));
    }
}