| /* |
| * 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.druid.server.router; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import org.apache.druid.discovery.DruidLeaderClient; |
| import org.apache.druid.jackson.DefaultObjectMapper; |
| import org.apache.druid.java.util.common.Intervals; |
| import org.apache.druid.java.util.http.client.response.StringFullResponseHolder; |
| import org.apache.druid.server.coordinator.rules.ForeverDropRule; |
| import org.apache.druid.server.coordinator.rules.ForeverLoadRule; |
| import org.apache.druid.server.coordinator.rules.IntervalDropRule; |
| import org.apache.druid.server.coordinator.rules.PeriodLoadRule; |
| import org.apache.druid.server.coordinator.rules.Rule; |
| import org.easymock.EasyMock; |
| import org.jboss.netty.handler.codec.http.HttpResponseStatus; |
| import org.joda.time.Period; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class CoordinatorRuleManagerTest |
| { |
| private static final String DATASOURCE1 = "datasource1"; |
| private static final String DATASOURCE2 = "datasource2"; |
| private static final List<Rule> DEFAULT_RULES = ImmutableList.of( |
| new ForeverLoadRule(ImmutableMap.of("__default", 2)) |
| ); |
| |
| @org.junit.Rule |
| public ExpectedException expectedException = ExpectedException.none(); |
| |
| private final ObjectMapper objectMapper = new DefaultObjectMapper(); |
| private final TieredBrokerConfig tieredBrokerConfig = new TieredBrokerConfig(); |
| |
| @Test |
| public void testAddingToRulesMapThrowingError() |
| { |
| final CoordinatorRuleManager manager = new CoordinatorRuleManager( |
| objectMapper, |
| () -> tieredBrokerConfig, |
| mockClient() |
| ); |
| final Map<String, List<Rule>> rules = manager.getRules(); |
| expectedException.expect(UnsupportedOperationException.class); |
| rules.put("testKey", Collections.emptyList()); |
| } |
| |
| @Test |
| public void testAddingToRulesListThrowingError() |
| { |
| final CoordinatorRuleManager manager = new CoordinatorRuleManager( |
| objectMapper, |
| () -> tieredBrokerConfig, |
| mockClient() |
| ); |
| manager.poll(); |
| final Map<String, List<Rule>> rules = manager.getRules(); |
| expectedException.expect(UnsupportedOperationException.class); |
| rules.get(DATASOURCE1).add(new ForeverDropRule()); |
| } |
| |
| @Test |
| public void testGetRulesWithUnknownDatasourceReturningDefaultRule() |
| { |
| final CoordinatorRuleManager manager = new CoordinatorRuleManager( |
| objectMapper, |
| () -> tieredBrokerConfig, |
| mockClient() |
| ); |
| manager.poll(); |
| final List<Rule> rules = manager.getRulesWithDefault("unknown"); |
| Assert.assertEquals(DEFAULT_RULES, rules); |
| } |
| |
| @Test |
| public void testGetRulesWithKnownDatasourceReturningAllRulesWithDefaultRule() |
| { |
| final CoordinatorRuleManager manager = new CoordinatorRuleManager( |
| objectMapper, |
| () -> tieredBrokerConfig, |
| mockClient() |
| ); |
| manager.poll(); |
| final List<Rule> rules = manager.getRulesWithDefault(DATASOURCE2); |
| final List<Rule> expectedRules = new ArrayList<>(); |
| expectedRules.add(new ForeverLoadRule(null)); |
| expectedRules.add(new IntervalDropRule(Intervals.of("2020-01-01/2020-01-02"))); |
| expectedRules.addAll(DEFAULT_RULES); |
| Assert.assertEquals(expectedRules, rules); |
| } |
| |
| private DruidLeaderClient mockClient() |
| { |
| final Map<String, List<Rule>> rules = ImmutableMap.of( |
| DATASOURCE1, |
| ImmutableList.of(new ForeverLoadRule(null)), |
| DATASOURCE2, |
| ImmutableList.of(new ForeverLoadRule(null), new IntervalDropRule(Intervals.of("2020-01-01/2020-01-02"))), |
| "datasource3", |
| ImmutableList.of( |
| new PeriodLoadRule(new Period("P1M"), true, null), |
| new ForeverDropRule() |
| ), |
| TieredBrokerConfig.DEFAULT_RULE_NAME, |
| ImmutableList.of(new ForeverLoadRule(ImmutableMap.of("__default", 2))) |
| ); |
| final StringFullResponseHolder holder = EasyMock.niceMock(StringFullResponseHolder.class); |
| EasyMock.expect(holder.getStatus()) |
| .andReturn(HttpResponseStatus.OK); |
| try { |
| EasyMock.expect(holder.getContent()) |
| .andReturn(objectMapper.writeValueAsString(rules)); |
| final DruidLeaderClient client = EasyMock.niceMock(DruidLeaderClient.class); |
| EasyMock.expect(client.go(EasyMock.anyObject())) |
| .andReturn(holder); |
| EasyMock.replay(holder, client); |
| return client; |
| } |
| catch (IOException | InterruptedException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |