hadoop-ozone/common/src/test/java/org/apache/hadoop/ozone/om/helpers/TestOmVolumeArgs.java

/**
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.
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package org.apache.hadoop.ozone.om.helpers;

import java.util.Collections;

import org.apache.hadoop.ozone.OzoneAcl;
import org.apache.hadoop.ozone.security.acl.IAccessAuthorizer;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.Time;
import org.junit.Assert;
import org.junit.Test;

import static org.apache.hadoop.ozone.OzoneAcl.AclScope.ACCESS;

/**
 * Class to test {@link OmVolumeArgs}.
 */
public class TestOmVolumeArgs {

  @Test
  public void testClone() throws Exception {
    String volumeName = "vol1";
    String admin = "admin";
    String owner = UserGroupInformation.getCurrentUser().getUserName();
    OmVolumeArgs omVolumeArgs = new OmVolumeArgs.Builder().setVolume(volumeName)
        .setAdminName(admin).setCreationTime(Time.now()).setOwnerName(owner)
        .setObjectID(1L).setUpdateID(1L).setQuotaInBytes(100L).addMetadata(
            "key1", "value1").addMetadata("key2", "value2")
        .addOzoneAcls(OzoneAcl.toProtobuf(
            new OzoneAcl(IAccessAuthorizer.ACLIdentityType.USER, "user1",
                IAccessAuthorizer.ACLType.READ, ACCESS))).build();

    OmVolumeArgs cloneVolumeArgs = omVolumeArgs.copyObject();

    Assert.assertEquals(omVolumeArgs, cloneVolumeArgs);

    // add user acl to write.
    omVolumeArgs.addAcl(new OzoneAcl(
        IAccessAuthorizer.ACLIdentityType.USER, "user1",
        IAccessAuthorizer.ACLType.WRITE, ACCESS));

    // Now check clone acl
    Assert.assertNotEquals(cloneVolumeArgs.getAclMap().getAcl().get(0),
        omVolumeArgs.getAclMap().getAcl().get(0));

    // Set user acl to Write_ACL.
    omVolumeArgs.setAcls(Collections.singletonList(new OzoneAcl(
        IAccessAuthorizer.ACLIdentityType.USER, "user1",
        IAccessAuthorizer.ACLType.WRITE_ACL, ACCESS)));

    Assert.assertNotEquals(cloneVolumeArgs.getAclMap().getAcl().get(0),
        omVolumeArgs.getAclMap().getAcl().get(0));

    // Now clone and check. It should have same as original acl.
    cloneVolumeArgs = (OmVolumeArgs) omVolumeArgs.copyObject();

    Assert.assertEquals(omVolumeArgs, cloneVolumeArgs);
    Assert.assertEquals(cloneVolumeArgs.getAclMap().getAcl().get(0),
        omVolumeArgs.getAclMap().getAcl().get(0));

    omVolumeArgs.removeAcl(new OzoneAcl(
        IAccessAuthorizer.ACLIdentityType.USER, "user1",
        IAccessAuthorizer.ACLType.WRITE_ACL, ACCESS));

    // Removing acl, in original omVolumeArgs it should have no acls.
    Assert.assertEquals(0, omVolumeArgs.getAclMap().getAcl().size());
    Assert.assertEquals(1, cloneVolumeArgs.getAclMap().getAcl().size());

  }
}