| /** |
| * 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. |
| */ |
| package org.apache.sentry.hdfs; |
| |
| import org.apache.sentry.core.common.utils.SentryConstants; |
| import org.apache.sentry.service.thrift.SentryServiceState; |
| import org.apache.sentry.service.thrift.SentryStateBank; |
| import org.apache.sentry.service.thrift.SentryStateBankTestHelper; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import static org.apache.sentry.hdfs.ServiceConstants.SEQUENCE_NUMBER_UPDATE_UNINITIALIZED; |
| import static org.apache.sentry.hdfs.service.thrift.sentry_hdfs_serviceConstants.UNUSED_PATH_UPDATE_IMG_NUM; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| public class TestDBUpdateForwarder { |
| private ImageRetriever imageRetriever; |
| private DeltaRetriever deltaRetriever; |
| private DBUpdateForwarder updater; |
| |
| @Before |
| public void setUp() { |
| imageRetriever = Mockito.mock(ImageRetriever.class); |
| deltaRetriever = Mockito.mock(DeltaRetriever.class); |
| updater = new DBUpdateForwarder<>(imageRetriever, deltaRetriever); |
| SentryStateBankTestHelper.clearAllStates(); |
| } |
| |
| @Test |
| public void testEmptyListIsReturnedWhenImageNumIsZeroAndNoImagesArePersisted() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(SentryConstants.EMPTY_PATHS_SNAPSHOT_ID); |
| |
| List updates = updater.getAllUpdatesFrom(1, SentryConstants.EMPTY_PATHS_SNAPSHOT_ID); |
| assertTrue(updates.isEmpty()); |
| } |
| |
| /** |
| * Test if a empty list is returned when the Sentry Server is doing a Full update from |
| * HMS. |
| * @throws Exception |
| */ |
| @Test |
| public void testEmptyListIsReturnedWhenFullUpdateRunningFromStart() throws Exception { |
| SentryStateBank.enableState(SentryServiceState.COMPONENT, SentryServiceState.FULL_UPDATE_RUNNING); |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(1L); |
| |
| List updates = updater.getAllUpdatesFrom(SEQUENCE_NUMBER_UPDATE_UNINITIALIZED,1); |
| assertTrue(updates.isEmpty()); |
| } |
| |
| /** |
| * Test if a empty list is returned when the Sentry Server is doing a Full update from |
| * HMS. |
| * @throws Exception |
| */ |
| @Test |
| public void testEmptyListIsReturnedWhenFullUpdateRunning() throws Exception { |
| SentryStateBank.enableState(SentryServiceState.COMPONENT, SentryServiceState.FULL_UPDATE_RUNNING); |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(2L); |
| |
| List updates = updater.getAllUpdatesFrom(SEQUENCE_NUMBER_UPDATE_UNINITIALIZED,1); |
| assertTrue(updates.isEmpty()); |
| } |
| |
| @Test |
| public void testEmptyListIsReturnedWhenImageIsUnusedAndNoDeltaChangesArePersisted() throws Exception { |
| Mockito.when(deltaRetriever.getLatestDeltaID()).thenReturn(SentryConstants.EMPTY_NOTIFICATION_ID); |
| |
| List updates = updater.getAllUpdatesFrom(1, UNUSED_PATH_UPDATE_IMG_NUM); |
| assertTrue(updates.isEmpty()); |
| } |
| |
| @Test |
| public void testEmptyListReturnedWhenImageSeqIsEqualToLatest() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(1L); |
| Mockito.when(deltaRetriever.getLatestDeltaID()).thenReturn(10L); |
| |
| List<PathsUpdate> updates = updater.getAllUpdatesFrom(11, 1); |
| assertTrue(updates.isEmpty()); |
| } |
| |
| @Test |
| public void testFirstImageSyncIsReturnedWhenImageNumIsZero() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(1L); |
| Mockito.when(imageRetriever.retrieveFullImage()) |
| .thenReturn(new PathsUpdate(1, 1, true)); |
| |
| List<PathsUpdate> updates = updater.getAllUpdatesFrom(0, SentryConstants.EMPTY_PATHS_SNAPSHOT_ID); |
| assertEquals(1, updates.size()); |
| assertEquals(1, updates.get(0).getSeqNum()); |
| assertEquals(1, updates.get(0).getImgNum()); |
| assertTrue(updates.get(0).hasFullImage()); |
| } |
| |
| @Test |
| public void testFirstImageSyncGetsEmptySetWhenImageNumIsZeroAndFullUpdateRunning() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(1L); |
| Mockito.when(imageRetriever.retrieveFullImage()) |
| .thenReturn(new PathsUpdate(1, 1, true)); |
| SentryStateBank.enableState(SentryServiceState.COMPONENT, SentryServiceState.FULL_UPDATE_RUNNING); |
| |
| List<PathsUpdate> updates = updater.getAllUpdatesFrom(0, SentryConstants.EMPTY_PATHS_SNAPSHOT_ID); |
| assertTrue(updates.isEmpty()); |
| } |
| |
| |
| @Test |
| public void testFirstImageSyncIsReturnedWhenImageNumIsUnusedButDeltasAreAvailable() throws Exception { |
| Mockito.when(deltaRetriever.getLatestDeltaID()).thenReturn(1L); |
| Mockito.when(imageRetriever.retrieveFullImage()) |
| .thenReturn(new PathsUpdate(1, 1, true)); |
| |
| List<PathsUpdate> updates = updater.getAllUpdatesFrom(0, UNUSED_PATH_UPDATE_IMG_NUM); |
| assertEquals(1, updates.size()); |
| assertEquals(1, updates.get(0).getSeqNum()); |
| assertEquals(1, updates.get(0).getImgNum()); |
| assertTrue(updates.get(0).hasFullImage()); |
| } |
| |
| @Test |
| public void testNewImageUpdateIsReturnedWhenNewImagesArePersisted() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(2L); |
| Mockito.when(imageRetriever.retrieveFullImage()) |
| .thenReturn(new PathsUpdate(1, 2, true)); |
| |
| List<PathsUpdate> updates = updater.getAllUpdatesFrom(1, 1); |
| assertEquals(1, updates.size()); |
| assertEquals(1, updates.get(0).getSeqNum()); |
| assertEquals(2, updates.get(0).getImgNum()); |
| assertTrue(updates.get(0).hasFullImage()); |
| } |
| |
| @Test |
| public void testNewImageUpdateIsReturnedWhenImageSeqIsGreaterThanLatestSeqByOne() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(1L); |
| Mockito.when(deltaRetriever.getLatestDeltaID()).thenReturn(10L); |
| Mockito.when(deltaRetriever.isDeltaAvailable(15)).thenReturn(false); |
| Mockito.when(imageRetriever.retrieveFullImage()) |
| .thenReturn(new PathsUpdate(10, 1, true)); |
| |
| List<PathsUpdate> updates = updater.getAllUpdatesFrom(15, 1); |
| assertEquals(1, updates.size()); |
| assertEquals(10, updates.get(0).getSeqNum()); |
| assertEquals(1, updates.get(0).getImgNum()); |
| assertTrue(updates.get(0).hasFullImage()); |
| } |
| |
| @Test |
| public void testNewImageUpdateIsReturnedWhenRequestedDeltaIsNotAvailable() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(1L); |
| Mockito.when(deltaRetriever.getLatestDeltaID()).thenReturn(3L); |
| Mockito.when(deltaRetriever.isDeltaAvailable(2L)).thenReturn(false); |
| Mockito.when(imageRetriever.retrieveFullImage()) |
| .thenReturn(new PathsUpdate(3, 1, true)); |
| |
| List<PathsUpdate> updates = updater.getAllUpdatesFrom(2, 1); |
| assertEquals(1, updates.size()); |
| assertEquals(3, updates.get(0).getSeqNum()); |
| assertEquals(1, updates.get(0).getImgNum()); |
| assertTrue(updates.get(0).hasFullImage()); |
| } |
| |
| @Test |
| public void testNewDeltasAreReturnedWhenRequestedDeltaIsAvailable() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(1L); |
| Mockito.when(deltaRetriever.getLatestDeltaID()).thenReturn(3L); |
| Mockito.when(deltaRetriever.isDeltaAvailable(2L)).thenReturn(true); |
| Mockito.when(deltaRetriever.retrieveDelta(2L, 1L)) |
| .thenReturn(Arrays.asList(new PathsUpdate(3, 1, false))); |
| |
| List<PathsUpdate> updates = updater.getAllUpdatesFrom(2, 1); |
| assertEquals(1, updates.size()); |
| assertEquals(3, updates.get(0).getSeqNum()); |
| assertEquals(1, updates.get(0).getImgNum()); |
| assertFalse(updates.get(0).hasFullImage()); |
| } |
| |
| @Test |
| public void testNewImageIsReturnedWhenZeroSeqNumAndUnusedImgNumAreUsed() throws Exception { |
| Mockito.when(imageRetriever.getLatestImageID()).thenReturn(0L); |
| Mockito.when(deltaRetriever.getLatestDeltaID()).thenReturn(0L); |
| Mockito.when(imageRetriever.retrieveFullImage()) |
| .thenReturn(new PermissionsUpdate(1, true)); |
| |
| List<PermissionsUpdate> updates = updater.getAllUpdatesFrom(0, UNUSED_PATH_UPDATE_IMG_NUM); |
| assertEquals(1, updates.size()); |
| assertEquals(1, updates.get(0).getSeqNum()); |
| assertEquals(UNUSED_PATH_UPDATE_IMG_NUM, updates.get(0).getImgNum()); |
| assertTrue(updates.get(0).hasFullImage()); |
| } |
| } |