| /* |
| * 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.geode.internal.cache; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThatThrownBy; |
| |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| |
| import org.apache.geode.cache.execute.FunctionException; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.config.ClusterConfigurationNotAvailableException; |
| import org.apache.geode.management.internal.configuration.domain.Configuration; |
| import org.apache.geode.management.internal.configuration.messages.ConfigurationResponse; |
| import org.apache.geode.test.junit.rules.LocatorStarterRule; |
| |
| |
| public class ClusterConfigurationLoaderIntegrationTest { |
| private ClusterConfigurationLoader loader; |
| |
| @Rule |
| public LocatorStarterRule locator = new LocatorStarterRule(); |
| |
| @Before |
| public void before() { |
| loader = Mockito.spy(new ClusterConfigurationLoader()); |
| } |
| |
| @Test |
| public void requestConfigurationFromLocatorsShouldThrowExceptionWhenClusterConfigurationServiceIsNotEnabled() { |
| locator.withProperty("enable-cluster-configuration", "false").startLocator(); |
| |
| Set<InternalDistributedMember> locators = new HashSet<>(); |
| locators.add((InternalDistributedMember) locator.getLocator().getDistributedSystem() |
| .getDistributedMember()); |
| |
| assertThatThrownBy(() -> loader.requestConfigurationFromLocators("", locators)) |
| .isInstanceOf(FunctionException.class).hasCauseInstanceOf(IllegalStateException.class) |
| .hasMessageContaining("The cluster configuration service is not enabled on this member."); |
| } |
| |
| @Test |
| public void requestConfigurationFromLocatorsShouldThrowExceptionAfterTheSixthNullConfigurationResponse() { |
| CustomAnswer customAnswer = new CustomAnswer(10); |
| Mockito.doAnswer(customAnswer).when(loader).requestConfigurationFromOneLocator(Mockito.any(), |
| Mockito.anySet()); |
| |
| locator.withProperty("enable-cluster-configuration", "true").startLocator(); |
| Set<InternalDistributedMember> locators = new HashSet<>(); |
| locators.add((InternalDistributedMember) locator.getLocator().getDistributedSystem() |
| .getDistributedMember()); |
| |
| assertThatThrownBy(() -> loader.requestConfigurationFromLocators("", locators)) |
| .isInstanceOf(ClusterConfigurationNotAvailableException.class) |
| .hasMessageContaining("Unable to retrieve cluster configuration from the locator."); |
| |
| assertThat(customAnswer.calls).isEqualTo(6); |
| } |
| |
| |
| @Test |
| public void requestConfigurationFromLocatorsShouldCorrectlyLoadTheClusterConfiguration() |
| throws Exception { |
| locator.withProperty("enable-cluster-configuration", "true").startLocator(); |
| |
| Set<InternalDistributedMember> locators = new HashSet<>(); |
| locators.add((InternalDistributedMember) locator.getLocator().getDistributedSystem() |
| .getDistributedMember()); |
| |
| ConfigurationResponse response = loader.requestConfigurationFromLocators("", locators); |
| Map<String, Configuration> configurationMap = response.getRequestedConfiguration(); |
| assertThat(configurationMap.size()).isEqualTo(1); |
| assertThat(configurationMap.get("cluster")).isNotNull(); |
| } |
| |
| @Test |
| public void requestConfigurationFromLocatorsShouldCorrectlyLoadTheClusterConfigurationEvenAfterSeveralRetries() |
| throws Exception { |
| int mockLimit = 6; |
| CustomAnswer customAnswer = new CustomAnswer(mockLimit); |
| Mockito.doAnswer(customAnswer).when(loader).requestConfigurationFromOneLocator(Mockito.any(), |
| Mockito.anySet()); |
| |
| locator.withProperty("enable-cluster-configuration", "true").startLocator(); |
| Set<InternalDistributedMember> locators = new HashSet<>(); |
| locators.add((InternalDistributedMember) locator.getLocator().getDistributedSystem() |
| .getDistributedMember()); |
| |
| ConfigurationResponse response = loader.requestConfigurationFromLocators("", locators); |
| Map<String, Configuration> configurationMap = response.getRequestedConfiguration(); |
| assertThat(configurationMap.size()).isEqualTo(1); |
| assertThat(configurationMap.get("cluster")).isNotNull(); |
| assertThat(customAnswer.calls).isEqualTo(mockLimit); |
| } |
| |
| class CustomAnswer implements Answer { |
| public int calls; |
| public int mockLimit; |
| |
| public CustomAnswer(int mockLimit) { |
| this.calls = 0; |
| this.mockLimit = mockLimit; |
| } |
| |
| @Override |
| public Object answer(InvocationOnMock invocation) throws Throwable { |
| calls++; |
| if (calls < mockLimit) { |
| return null; |
| } else { |
| return invocation.callRealMethod(); |
| } |
| } |
| } |
| } |