apurtell commented on code in PR #4470: URL: https://github.com/apache/hbase/pull/4470#discussion_r890594020
########## hbase-server/src/test/java/org/apache/hadoop/hbase/master/http/TestMasterHbckServlet.java: ########## @@ -0,0 +1,237 @@ +/* + * 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 org.apache.hadoop.hbase.master.http; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.anyString; +import static org.mockito.Mockito.doAnswer; +import static org.mockito.Mockito.doReturn; +import static org.mockito.Mockito.mock; + +import java.io.ByteArrayOutputStream; +import java.io.PrintWriter; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.hbase.HBaseClassTestRule; +import org.apache.hadoop.hbase.HBaseConfiguration; +import org.apache.hadoop.hbase.ServerName; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.client.RegionInfo; +import org.apache.hadoop.hbase.client.RegionInfoBuilder; +import org.apache.hadoop.hbase.client.TableDescriptor; +import org.apache.hadoop.hbase.client.TableDescriptorBuilder; +import org.apache.hadoop.hbase.master.HMaster; +import org.apache.hadoop.hbase.master.HbckChore; +import org.apache.hadoop.hbase.master.MasterRpcServices; +import org.apache.hadoop.hbase.master.http.gson.GsonFactory; +import org.apache.hadoop.hbase.master.janitor.CatalogJanitor; +import org.apache.hadoop.hbase.master.janitor.Report; +import org.apache.hadoop.hbase.testclassification.MasterTests; +import org.apache.hadoop.hbase.testclassification.MediumTests; +import org.apache.hadoop.hbase.util.Bytes; +import org.apache.hadoop.hbase.util.Pair; +import org.junit.Before; +import org.junit.ClassRule; +import org.junit.Test; +import org.junit.experimental.categories.Category; +import org.mockito.invocation.InvocationOnMock; +import org.mockito.stubbing.Answer; + +import org.apache.hbase.thirdparty.com.google.gson.Gson; +import org.apache.hbase.thirdparty.com.google.gson.reflect.TypeToken; + +/** + * Tests for the master hbck servlet. + */ +@Category({ MasterTests.class, MediumTests.class }) +public class TestMasterHbckServlet { + + @ClassRule + public static final HBaseClassTestRule CLASS_RULE = + HBaseClassTestRule.forClass(TestMasterHbckServlet.class); + + static final ServerName FAKE_HOST = ServerName.valueOf("fakehost", 12345, 1234567890); + static final ServerName FAKE_HOST_2 = ServerName.valueOf("fakehost2", 12345, 1234567890); + static final TableDescriptor FAKE_TABLE = + TableDescriptorBuilder.newBuilder(TableName.valueOf("mytable")).build(); + static final RegionInfo FAKE_HRI = RegionInfoBuilder.newBuilder(FAKE_TABLE.getTableName()) + .setStartKey(Bytes.toBytes("a")).setEndKey(Bytes.toBytes("b")).build(); + static final RegionInfo FAKE_HRI_2 = RegionInfoBuilder.newBuilder(FAKE_TABLE.getTableName()) + .setStartKey(Bytes.toBytes("a")).setEndKey(Bytes.toBytes("c")).build(); + static final RegionInfo FAKE_HRI_3 = RegionInfoBuilder.newBuilder(FAKE_TABLE.getTableName()) + .setStartKey(Bytes.toBytes("d")).setEndKey(Bytes.toBytes("e")).build(); + static final Path FAKE_PATH = new Path( + "/hbase/data/default/" + FAKE_TABLE.getTableName() + "/" + FAKE_HRI_3.getEncodedName()); + static final long FAKE_START_TIMESTAMP = System.currentTimeMillis(); + static final long FAKE_END_TIMESTAMP = System.currentTimeMillis() + 1000; + static final Gson GSON = GsonFactory.buildGson(); + + private HMaster master; + + @Before + public void setupMocks() { + // Fake inconsistentRegions + Map<String, Pair<ServerName, List<ServerName>>> inconsistentRegions = new HashMap<>(); + inconsistentRegions.put(FAKE_HRI.getEncodedName(), + new Pair<>(FAKE_HOST, Arrays.asList(FAKE_HOST_2))); + + // Fake orphanRegionsOnRS + Map<String, ServerName> orphanRegionsOnRS = new HashMap<>(); + + // Fake orphanRegionsOnFS + Map<String, Path> orphanRegionsOnFS = new HashMap<>(); + orphanRegionsOnFS.put(FAKE_HRI_3.getEncodedName(), FAKE_PATH); + + // Fake HbckChore + HbckChore hbckChore = mock(HbckChore.class); + doReturn(FAKE_START_TIMESTAMP).when(hbckChore).getCheckingStartTimestamp(); + doReturn(FAKE_END_TIMESTAMP).when(hbckChore).getCheckingEndTimestamp(); + doReturn(inconsistentRegions).when(hbckChore).getInconsistentRegions(); + doReturn(orphanRegionsOnRS).when(hbckChore).getOrphanRegionsOnRS(); + doReturn(orphanRegionsOnFS).when(hbckChore).getOrphanRegionsOnFS(); + + // Fake region holes + List<Pair<RegionInfo, RegionInfo>> holes = new ArrayList<>(); + + // Fake region overlaps + List<Pair<RegionInfo, RegionInfo>> overlaps = new ArrayList<>(); + overlaps.add(new Pair<>(FAKE_HRI, FAKE_HRI_2)); + + // Fake unknown servers + List<Pair<RegionInfo, ServerName>> unknownServers = new ArrayList<>(); + unknownServers.add(new Pair<>(FAKE_HRI, FAKE_HOST_2)); + + // Fake empty region info + List<String> emptyRegionInfo = new ArrayList<>(); + emptyRegionInfo.add(FAKE_HRI_3.getEncodedName()); + + // Fake catalog janitor report + Report report = mock(Report.class); + doReturn(FAKE_START_TIMESTAMP).when(report).getCreateTime(); + doReturn(holes).when(report).getHoles(); + doReturn(overlaps).when(report).getOverlaps(); + doReturn(unknownServers).when(report).getUnknownServers(); + doReturn(emptyRegionInfo).when(report).getEmptyRegionInfo(); + + // Fake CatalogJanitor + CatalogJanitor janitor = mock(CatalogJanitor.class); + doReturn(report).when(janitor).getLastReport(); + + // Fake master + + master = mock(HMaster.class); + doReturn(HBaseConfiguration.create()).when(master).getConfiguration(); + doReturn(true).when(master).isInitialized(); + doReturn(Optional.of(FAKE_HOST)).when(master).getActiveMaster(); + doReturn(janitor).when(master).getCatalogJanitor(); + doReturn(hbckChore).when(master).getHbckChore(); + MasterRpcServices services = mock(MasterRpcServices.class); + doReturn(services).when(master).getRpcServices(); + doReturn(services).when(master).getMasterRpcServices(); Review Comment: Because when I wrote this test this was the way I understood it could be implemented and I don't think too much is mocked here, just what is needed to produce a report that has exactly what I want to check for later. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
