| package org.apache.helix.util; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import org.apache.helix.ConfigAccessor; |
| import org.apache.helix.HelixDataAccessor; |
| import org.apache.helix.HelixException; |
| import org.apache.helix.PropertyKey; |
| import org.apache.helix.PropertyType; |
| import org.apache.helix.constants.InstanceConstants; |
| import org.apache.helix.model.ClusterConfig; |
| import org.apache.helix.model.CurrentState; |
| import org.apache.helix.model.ExternalView; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.InstanceConfig; |
| import org.apache.helix.model.LiveInstance; |
| import org.apache.helix.model.StateModelDefinition; |
| import org.mockito.ArgumentMatcher; |
| import org.testng.Assert; |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.argThat; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| public class TestInstanceValidationUtil { |
| private static final String TEST_CLUSTER = "testCluster"; |
| private static final String TEST_INSTANCE = "instance0"; |
| private static final PropertyKey.Builder BUILDER = new PropertyKey.Builder(TEST_CLUSTER); |
| |
| @DataProvider |
| Object[][] isEnabledTestSuite() { |
| return new Object[][] { |
| { |
| true, true, true |
| }, { |
| true, false, false |
| }, { |
| false, true, false |
| }, { |
| false, false, false |
| } |
| }; |
| } |
| |
| @Test(dataProvider = "isEnabledTestSuite", enabled = false) |
| public void TestIsInstanceEnabled(boolean instanceConfigEnabled, boolean clusterConfigEnabled, |
| boolean expected) { |
| Mock mock = new Mock(); |
| InstanceConfig instanceConfig = new InstanceConfig(TEST_INSTANCE); |
| instanceConfig.setInstanceOperation( |
| instanceConfigEnabled ? InstanceConstants.InstanceOperation.ENABLE |
| : InstanceConstants.InstanceOperation.DISABLE); |
| doReturn(instanceConfig).when(mock.dataAccessor) |
| .getProperty(BUILDER.instanceConfig(TEST_INSTANCE)); |
| ClusterConfig clusterConfig = new ClusterConfig(TEST_CLUSTER); |
| if (!clusterConfigEnabled) { |
| clusterConfig.setDisabledInstances(ImmutableMap.of(TEST_INSTANCE, "12345")); |
| } |
| doReturn(clusterConfig).when(mock.dataAccessor) |
| .getProperty(BUILDER.clusterConfig()); |
| |
| boolean isEnabled = InstanceValidationUtil.isEnabled(mock.dataAccessor, TEST_INSTANCE); |
| |
| Assert.assertEquals(isEnabled, expected); |
| } |
| |
| @Test(expectedExceptions = HelixException.class) |
| public void TestIsInstanceEnabled_whenInstanceConfigNull() { |
| Mock mock = new Mock(); |
| doReturn(null).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.CONFIGS))); |
| |
| InstanceValidationUtil.isEnabled(mock.dataAccessor, TEST_INSTANCE); |
| } |
| |
| @Test |
| public void TestIsInstanceAlive() { |
| Mock mock = new Mock(); |
| doReturn(new LiveInstance(TEST_INSTANCE)).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.LIVEINSTANCES))); |
| |
| Assert.assertTrue(InstanceValidationUtil.isAlive(mock.dataAccessor, TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasResourceAssigned_success() { |
| String sessionId = "sessionId"; |
| String resource = "db"; |
| Mock mock = new Mock(); |
| LiveInstance liveInstance = new LiveInstance(TEST_INSTANCE); |
| liveInstance.setSessionId(sessionId); |
| doReturn(liveInstance).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.LIVEINSTANCES))); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.CURRENTSTATES))); |
| CurrentState currentState = mock(CurrentState.class); |
| when(currentState.getPartitionStateMap()).thenReturn(ImmutableMap.of("db0", "master")); |
| doReturn(currentState).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.CURRENTSTATES))); |
| |
| Assert.assertTrue( |
| InstanceValidationUtil.isResourceAssigned(mock.dataAccessor, TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasResourceAssigned_fail() { |
| String sessionId = "sessionId"; |
| String resource = "db"; |
| Mock mock = new Mock(); |
| LiveInstance liveInstance = new LiveInstance(TEST_INSTANCE); |
| liveInstance.setSessionId(sessionId); |
| doReturn(liveInstance).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.LIVEINSTANCES))); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.CURRENTSTATES))); |
| CurrentState currentState = mock(CurrentState.class); |
| when(currentState.getPartitionStateMap()).thenReturn(Collections.<String, String> emptyMap()); |
| doReturn(currentState).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.CURRENTSTATES))); |
| |
| Assert.assertFalse( |
| InstanceValidationUtil.isResourceAssigned(mock.dataAccessor, TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasResourceAssigned_whenNotAlive() { |
| Mock mock = new Mock(); |
| doReturn(null).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.LIVEINSTANCES))); |
| |
| Assert.assertFalse( |
| InstanceValidationUtil.isResourceAssigned(mock.dataAccessor, TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasDisabledPartitions_false() { |
| Mock mock = new Mock(); |
| InstanceConfig instanceConfig = mock(InstanceConfig.class); |
| when(instanceConfig.getDisabledPartitionsMap()) |
| .thenReturn(Collections.<String, List<String>> emptyMap()); |
| when(mock.dataAccessor.getProperty(any(PropertyKey.class))).thenReturn(instanceConfig); |
| |
| Assert.assertFalse(InstanceValidationUtil.hasDisabledPartitions(mock.dataAccessor, TEST_CLUSTER, |
| TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasDisabledPartitions_with_only_names() { |
| Mock mock = new Mock(); |
| InstanceConfig instanceConfig = mock(InstanceConfig.class); |
| when(instanceConfig.getDisabledPartitionsMap()) |
| .thenReturn(ImmutableMap.of("db0", Collections.emptyList())); |
| when(mock.dataAccessor.getProperty(any(PropertyKey.class))).thenReturn(instanceConfig); |
| |
| Assert.assertFalse(InstanceValidationUtil.hasDisabledPartitions(mock.dataAccessor, TEST_CLUSTER, |
| TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasDisabledPartitions_true() { |
| Mock mock = new Mock(); |
| InstanceConfig instanceConfig = mock(InstanceConfig.class); |
| when(instanceConfig.getDisabledPartitionsMap()) |
| .thenReturn(ImmutableMap.of("db0", Arrays.asList("p1"))); |
| when(mock.dataAccessor.getProperty(any(PropertyKey.class))).thenReturn(instanceConfig); |
| |
| Assert.assertTrue(InstanceValidationUtil.hasDisabledPartitions(mock.dataAccessor, TEST_CLUSTER, |
| TEST_INSTANCE)); |
| } |
| |
| @Test(expectedExceptions = HelixException.class) |
| public void TestHasDisabledPartitions_exception() { |
| Mock mock = new Mock(); |
| when(mock.dataAccessor.getProperty(any(PropertyKey.class))).thenReturn(null); |
| |
| Assert.assertTrue(InstanceValidationUtil.hasDisabledPartitions(mock.dataAccessor, TEST_CLUSTER, |
| TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasValidConfig_true() { |
| Mock mock = new Mock(); |
| PropertyKey.Builder keyBuilder = mock.dataAccessor.keyBuilder(); |
| PropertyKey clusterProperty = keyBuilder.clusterConfig(); |
| ClusterConfig clusterConfig = new ClusterConfig(TEST_CLUSTER); |
| clusterConfig.setPersistIntermediateAssignment(true); |
| when(mock.dataAccessor.getProperty(eq(clusterProperty))) |
| .thenReturn(clusterConfig); |
| PropertyKey instanceProperty = keyBuilder.instanceConfig(TEST_INSTANCE); |
| when(mock.dataAccessor.getProperty(eq(instanceProperty))) |
| .thenReturn(new InstanceConfig(TEST_INSTANCE)); |
| |
| Assert.assertTrue( |
| InstanceValidationUtil.hasValidConfig(mock.dataAccessor, TEST_CLUSTER, TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasValidConfig_false() { |
| Mock mock = new Mock(); |
| when(mock.dataAccessor.getProperty(any(PropertyKey.class))).thenReturn(null); |
| |
| Assert.assertFalse( |
| InstanceValidationUtil.hasValidConfig(mock.dataAccessor, TEST_CLUSTER, TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasErrorPartitions_true() { |
| String sessionId = "sessionId"; |
| String resource = "db"; |
| Mock mock = new Mock(); |
| LiveInstance liveInstance = new LiveInstance(TEST_INSTANCE); |
| liveInstance.setSessionId(sessionId); |
| doReturn(liveInstance).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.LIVEINSTANCES))); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.CURRENTSTATES))); |
| CurrentState currentState = mock(CurrentState.class); |
| when(currentState.getPartitionStateMap()).thenReturn(ImmutableMap.of("db0", "ERROR")); |
| doReturn(currentState).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.CURRENTSTATES))); |
| |
| Assert.assertTrue( |
| InstanceValidationUtil.hasErrorPartitions(mock.dataAccessor, TEST_CLUSTER, TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestHasErrorPartitions_false() { |
| String sessionId = "sessionId"; |
| String resource = "db"; |
| Mock mock = new Mock(); |
| LiveInstance liveInstance = new LiveInstance(TEST_INSTANCE); |
| liveInstance.setSessionId(sessionId); |
| doReturn(liveInstance).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.LIVEINSTANCES))); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.CURRENTSTATES))); |
| CurrentState currentState = mock(CurrentState.class); |
| when(currentState.getPartitionStateMap()).thenReturn(ImmutableMap.of("db0", "Master")); |
| doReturn(currentState).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.CURRENTSTATES))); |
| |
| Assert.assertFalse( |
| InstanceValidationUtil.hasErrorPartitions(mock.dataAccessor, TEST_CLUSTER, TEST_INSTANCE)); |
| } |
| |
| @Test |
| public void TestIsInstanceStable_NoException_whenPersistAssignmentOff() { |
| Mock mock = new Mock(); |
| ClusterConfig clusterConfig = new ClusterConfig(TEST_CLUSTER); |
| clusterConfig.setPersistIntermediateAssignment(false); |
| when(mock.dataAccessor.getProperty(any(PropertyKey.class))).thenReturn(clusterConfig); |
| |
| InstanceValidationUtil.isInstanceStable(mock.dataAccessor, TEST_INSTANCE); |
| } |
| |
| @Test(expectedExceptions = HelixException.class) |
| public void TestIsInstanceStable_exception_whenExternalViewNull() { |
| String resource = "db"; |
| Mock mock = new Mock(); |
| ClusterConfig clusterConfig = new ClusterConfig(TEST_CLUSTER); |
| clusterConfig.setPersistIntermediateAssignment(true); |
| doReturn(clusterConfig).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.CONFIGS))); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(true); |
| when(idealState.getPartitionSet()).thenReturn(ImmutableSet.of("db0")); |
| when(idealState.getInstanceStateMap("db0")) |
| .thenReturn(ImmutableMap.of(TEST_INSTANCE, "Master")); |
| when(idealState.isValid()).thenReturn(true); |
| when(idealState.getStateModelDefRef()).thenReturn("MasterSlave"); |
| doReturn(idealState).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| doReturn(null).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| InstanceValidationUtil.isInstanceStable(mock.dataAccessor, TEST_INSTANCE); |
| } |
| |
| @Test |
| public void TestIsInstanceStable_true() { |
| String resource = "db"; |
| Mock mock = new Mock(); |
| ClusterConfig clusterConfig = new ClusterConfig(TEST_CLUSTER); |
| clusterConfig.setPersistIntermediateAssignment(true); |
| doReturn(clusterConfig).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.CONFIGS))); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(Boolean.TRUE); |
| when(idealState.getPartitionSet()).thenReturn(ImmutableSet.of("db0")); |
| when(idealState.getInstanceStateMap("db0")) |
| .thenReturn(ImmutableMap.of(TEST_INSTANCE, "Master")); |
| idealState.setInstanceStateMap("db0", ImmutableMap.of(TEST_INSTANCE, "Master")); |
| doReturn(idealState).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| ExternalView externalView = new ExternalView(resource); |
| externalView.setStateMap("db0", ImmutableMap.of(TEST_INSTANCE, "Master")); |
| doReturn(externalView).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| |
| boolean result = InstanceValidationUtil.isInstanceStable(mock.dataAccessor, TEST_INSTANCE); |
| Assert.assertTrue(result); |
| } |
| |
| @Test(description = "IdealState: slave state, ExternalView:Master state") |
| public void TestIsInstanceStable_false() { |
| String resource = "db"; |
| Mock mock = new Mock(); |
| ClusterConfig clusterConfig = new ClusterConfig(TEST_CLUSTER); |
| clusterConfig.setPersistIntermediateAssignment(true); |
| doReturn(clusterConfig).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.CONFIGS))); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(true); |
| when(idealState.getPartitionSet()).thenReturn(ImmutableSet.of("db0")); |
| when(idealState.getInstanceStateMap("db0")).thenReturn(ImmutableMap.of(TEST_INSTANCE, "slave")); |
| when(idealState.isValid()).thenReturn(true); |
| when(idealState.getStateModelDefRef()).thenReturn("MasterSlave"); |
| doReturn(idealState).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| ExternalView externalView = new ExternalView(resource); |
| externalView.setStateMap("db0", ImmutableMap.of(TEST_INSTANCE, "Master")); |
| doReturn(externalView).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| |
| boolean result = InstanceValidationUtil.isInstanceStable(mock.dataAccessor, TEST_INSTANCE); |
| Assert.assertFalse(result); |
| } |
| |
| @Test |
| public void TestSiblingNodesActiveReplicaCheck_success() { |
| String resource = "resource"; |
| Mock mock = new Mock(); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| // set ideal state |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(true); |
| when(idealState.isValid()).thenReturn(true); |
| when(idealState.getStateModelDefRef()).thenReturn("MasterSlave"); |
| doReturn(idealState).when(mock.dataAccessor).getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| |
| // set external view |
| ExternalView externalView = mock(ExternalView.class); |
| when(externalView.getMinActiveReplicas()).thenReturn(2); |
| when(externalView.getStateModelDefRef()).thenReturn("MasterSlave"); |
| when(externalView.getPartitionSet()).thenReturn(ImmutableSet.of("db0")); |
| when(externalView.getStateMap("db0")).thenReturn(ImmutableMap.of(TEST_INSTANCE, "Master", |
| "instance1", "Slave", "instance2", "Slave", "instance3", "Slave")); |
| doReturn(externalView).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| StateModelDefinition stateModelDefinition = mock(StateModelDefinition.class); |
| when(stateModelDefinition.getInitialState()).thenReturn("OFFLINE"); |
| doReturn(stateModelDefinition).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.STATEMODELDEFS))); |
| |
| boolean result = |
| InstanceValidationUtil.siblingNodesActiveReplicaCheck(mock.dataAccessor, TEST_INSTANCE); |
| |
| Assert.assertTrue(result); |
| } |
| |
| @Test |
| public void TestSiblingNodesActiveReplicaCheckSuccessWithToBeStoppedInstances() { |
| String resource = "resource"; |
| Mock mock = new Mock(); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| // set ideal state |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(true); |
| when(idealState.isValid()).thenReturn(true); |
| when(idealState.getStateModelDefRef()).thenReturn("MasterSlave"); |
| doReturn(idealState).when(mock.dataAccessor).getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| |
| // set external view |
| ExternalView externalView = mock(ExternalView.class); |
| when(externalView.getMinActiveReplicas()).thenReturn(2); |
| when(externalView.getStateModelDefRef()).thenReturn("MasterSlave"); |
| when(externalView.getPartitionSet()).thenReturn(ImmutableSet.of("db0")); |
| when(externalView.getStateMap("db0")).thenReturn(ImmutableMap.of(TEST_INSTANCE, "Master", |
| "instance1", "Slave", "instance2", "Slave", "instance3", "Slave")); |
| doReturn(externalView).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| StateModelDefinition stateModelDefinition = mock(StateModelDefinition.class); |
| when(stateModelDefinition.getInitialState()).thenReturn("OFFLINE"); |
| doReturn(stateModelDefinition).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.STATEMODELDEFS))); |
| |
| Set<String> toBeStoppedInstances = new HashSet<>(); |
| toBeStoppedInstances.add("instance3"); |
| toBeStoppedInstances.add("invalidInstances"); // include an invalid instance. |
| boolean result = |
| InstanceValidationUtil.siblingNodesActiveReplicaCheck(mock.dataAccessor, TEST_INSTANCE, toBeStoppedInstances); |
| Assert.assertTrue(result); |
| |
| result = |
| InstanceValidationUtil.siblingNodesActiveReplicaCheck(mock.dataAccessor, TEST_INSTANCE, null); |
| Assert.assertTrue(result); |
| } |
| |
| @Test |
| public void TestSiblingNodesActiveReplicaCheckFailsWithToBeStoppedInstances() { |
| String resource = "resource"; |
| Mock mock = new Mock(); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| // set ideal state |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(true); |
| when(idealState.isValid()).thenReturn(true); |
| when(idealState.getStateModelDefRef()).thenReturn("MasterSlave"); |
| doReturn(idealState).when(mock.dataAccessor).getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| |
| // set external view |
| ExternalView externalView = mock(ExternalView.class); |
| when(externalView.getMinActiveReplicas()).thenReturn(2); |
| when(externalView.getStateModelDefRef()).thenReturn("MasterSlave"); |
| when(externalView.getPartitionSet()).thenReturn(ImmutableSet.of("db0")); |
| when(externalView.getStateMap("db0")).thenReturn(ImmutableMap.of(TEST_INSTANCE, "Master", |
| "instance1", "Slave", "instance2", "Slave", "instance3", "Slave")); |
| doReturn(externalView).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| StateModelDefinition stateModelDefinition = mock(StateModelDefinition.class); |
| when(stateModelDefinition.getInitialState()).thenReturn("OFFLINE"); |
| doReturn(stateModelDefinition).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.STATEMODELDEFS))); |
| |
| Set<String> toBeStoppedInstances = new HashSet<>(); |
| toBeStoppedInstances.add("instance1"); |
| toBeStoppedInstances.add("instance2"); |
| boolean result = |
| InstanceValidationUtil.siblingNodesActiveReplicaCheck(mock.dataAccessor, TEST_INSTANCE, toBeStoppedInstances); |
| |
| Assert.assertFalse(result); |
| } |
| |
| @Test |
| public void TestSiblingNodesActiveReplicaCheck_fail() { |
| String resource = "resource"; |
| Mock mock = new Mock(); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| // set ideal state |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(true); |
| when(idealState.isValid()).thenReturn(true); |
| when(idealState.getStateModelDefRef()).thenReturn("MasterSlave"); |
| doReturn(idealState).when(mock.dataAccessor).getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| |
| ExternalView externalView = mock(ExternalView.class); |
| when(externalView.getMinActiveReplicas()).thenReturn(3); |
| when(externalView.getStateModelDefRef()).thenReturn("MasterSlave"); |
| when(externalView.getPartitionSet()).thenReturn(ImmutableSet.of("db0")); |
| when(externalView.getStateMap("db0")).thenReturn( |
| ImmutableMap.of(TEST_INSTANCE, "Master", "instance1", "Slave", "instance2", "Slave")); |
| doReturn(externalView).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| StateModelDefinition stateModelDefinition = mock(StateModelDefinition.class); |
| when(stateModelDefinition.getInitialState()).thenReturn("OFFLINE"); |
| doReturn(stateModelDefinition).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.STATEMODELDEFS))); |
| |
| boolean result = |
| InstanceValidationUtil.siblingNodesActiveReplicaCheck(mock.dataAccessor, TEST_INSTANCE); |
| |
| Assert.assertFalse(result); |
| } |
| |
| @Test |
| public void TestSiblingNodesActiveReplicaCheck_whenNoMinActiveReplica() { |
| String resource = "resource"; |
| Mock mock = new Mock(); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| // set ideal state |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(true); |
| when(idealState.isValid()).thenReturn(true); |
| when(idealState.getStateModelDefRef()).thenReturn("MasterSlave"); |
| doReturn(idealState).when(mock.dataAccessor).getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| //set externalView |
| ExternalView externalView = mock(ExternalView.class); |
| // the resource sibling check will be skipped by design |
| when(externalView.getMinActiveReplicas()).thenReturn(-1); |
| doReturn(externalView).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| |
| boolean result = InstanceValidationUtil.siblingNodesActiveReplicaCheck(mock.dataAccessor, TEST_INSTANCE); |
| Assert.assertTrue(result); |
| } |
| |
| @Test(expectedExceptions = HelixException.class) |
| public void TestSiblingNodesActiveReplicaCheck_exception_whenExternalViewUnavailable() { |
| String resource = "resource"; |
| Mock mock = new Mock(); |
| doReturn(ImmutableList.of(resource)).when(mock.dataAccessor) |
| .getChildNames(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| // set ideal state |
| IdealState idealState = mock(IdealState.class); |
| when(idealState.isEnabled()).thenReturn(true); |
| when(idealState.isValid()).thenReturn(true); |
| when(idealState.getStateModelDefRef()).thenReturn("MasterSlave"); |
| doReturn(idealState).when(mock.dataAccessor).getProperty(argThat(new PropertyKeyArgument(PropertyType.IDEALSTATES))); |
| |
| doReturn(null).when(mock.dataAccessor) |
| .getProperty(argThat(new PropertyKeyArgument(PropertyType.EXTERNALVIEW))); |
| |
| InstanceValidationUtil.siblingNodesActiveReplicaCheck(mock.dataAccessor, TEST_INSTANCE); |
| } |
| |
| private class Mock { |
| HelixDataAccessor dataAccessor; |
| ConfigAccessor configAccessor; |
| |
| Mock() { |
| this.dataAccessor = mock(HelixDataAccessor.class); |
| this.configAccessor = mock(ConfigAccessor.class); |
| when(dataAccessor.keyBuilder()).thenReturn(BUILDER); |
| } |
| } |
| |
| public static class PropertyKeyArgument implements ArgumentMatcher<PropertyKey> { |
| private PropertyType propertyType; |
| |
| public PropertyKeyArgument(PropertyType propertyType) { |
| this.propertyType = propertyType; |
| } |
| |
| @Override |
| public boolean matches(PropertyKey propertyKey) { |
| return this.propertyType == propertyKey.getType(); |
| } |
| } |
| } |