com.cloudera.llama.am.TestQueueAssignment.java Source code

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Here is the source code for com.cloudera.llama.am.TestQueueAssignment.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;

import java.util.concurrent.atomic.AtomicReference;

import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.records.QueueACL;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.QueuePlacementPolicy;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import com.cloudera.llama.am.api.LlamaAM;
import com.cloudera.llama.thrift.TLlamaAMReservationRequest;
import com.cloudera.llama.util.ErrorCode;
import com.cloudera.llama.util.LlamaException;
import org.mockito.Mockito;

public class TestQueueAssignment {
    private LlamaAMServiceImpl amService;
    private AllocationConfiguration allocConf;
    private QueuePlacementPolicy placementPolicy;

    @Before
    public void setUp() {
        allocConf = Mockito.mock(AllocationConfiguration.class);
        placementPolicy = Mockito.mock(QueuePlacementPolicy.class);
        Mockito.when(allocConf.hasAccess(Mockito.anyString(), Mockito.any(QueueACL.class),
                Mockito.any(UserGroupInformation.class))).thenReturn(true);
        Mockito.when(allocConf.getPlacementPolicy()).thenReturn(placementPolicy);
        amService = new LlamaAMServiceImpl(Mockito.mock(LlamaAM.class), null, null,
                new AtomicReference<AllocationConfiguration>(allocConf));
    }

    @Test
    public void testAccepted() throws Exception {
        TLlamaAMReservationRequest request = mockRequest("queue", true, "user");
        Mockito.when(placementPolicy.assignAppToQueue(Mockito.eq("queue"), Mockito.anyString()))
                .thenReturn("resolved");
        String queue = amService.assignToQueue(request);
        amService.checkAccess(request.getUser(), queue, request.getQueue());
        Assert.assertEquals("resolved", queue);
    }

    @Test
    public void testRequestedQueueNotSet() throws Exception {
        TLlamaAMReservationRequest request = mockRequest(null, false, "user");
        Mockito.when(placementPolicy.assignAppToQueue(Mockito.eq(YarnConfiguration.DEFAULT_QUEUE_NAME),
                Mockito.anyString())).thenReturn("resolved");
        String queue = amService.assignToQueue(request);
        amService.checkAccess(request.getUser(), queue, request.getQueue());
        Assert.assertEquals("resolved", queue);
    }

    @Test
    public void testRequestedQueueNull() throws Exception {
        TLlamaAMReservationRequest request = mockRequest(null, true, "user");
        Mockito.when(placementPolicy.assignAppToQueue(Mockito.eq(YarnConfiguration.DEFAULT_QUEUE_NAME),
                Mockito.anyString())).thenReturn("resolved");
        String queue = amService.assignToQueue(request);
        amService.checkAccess(request.getUser(), queue, request.getQueue());
        Assert.assertEquals("resolved", queue);
    }

    @Test
    public void testRejectedByPolicy() throws Exception {
        try {
            TLlamaAMReservationRequest request = mockRequest("queue", true, "user");
            Mockito.when(placementPolicy.assignAppToQueue(Mockito.anyString(), Mockito.anyString()))
                    .thenReturn(null);
            String queue = amService.assignToQueue(request);
            amService.checkAccess(request.getUser(), queue, request.getQueue());
            Assert.fail("Should have hit exception");
        } catch (LlamaException ex) {
            Assert.assertEquals(ErrorCode.RESERVATION_USER_TO_QUEUE_MAPPING_NOT_FOUND.getCode(), ex.getErrorCode());
        }
    }

    @Test
    public void testRejectedByAcls() throws Exception {
        try {
            TLlamaAMReservationRequest request = mockRequest("queue", true, "user");
            Mockito.when(placementPolicy.assignAppToQueue(Mockito.anyString(), Mockito.anyString()))
                    .thenReturn("resolved");
            Mockito.when(allocConf.hasAccess(Mockito.anyString(), Mockito.any(QueueACL.class),
                    Mockito.any(UserGroupInformation.class))).thenReturn(false);
            String queue = amService.assignToQueue(request);
            amService.checkAccess(request.getUser(), queue, request.getQueue());
            Assert.fail("Should have hit exception");
        } catch (LlamaException ex) {
            Assert.assertEquals(ErrorCode.RESERVATION_USER_NOT_ALLOWED_IN_QUEUE.getCode(), ex.getErrorCode());
        }
    }

    private TLlamaAMReservationRequest mockRequest(String queue, boolean isSetQueue, String user) {
        TLlamaAMReservationRequest request = Mockito.mock(TLlamaAMReservationRequest.class);
        Mockito.when(request.isSetQueue()).thenReturn(isSetQueue);
        Mockito.when(request.getQueue()).thenReturn(queue);
        Mockito.when(request.getUser()).thenReturn(user);
        return request;
    }
}