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Diffstat (limited to 'feature-pooling-messages/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java')
| -rw-r--r-- | feature-pooling-messages/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/feature-pooling-messages/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java b/feature-pooling-messages/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java new file mode 100644 index 00000000..8f2c9160 --- /dev/null +++ b/feature-pooling-messages/src/test/java/org/onap/policy/drools/pooling/state/SupportBasicStateTester.java @@ -0,0 +1,282 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2018, 2020 AT&T Intellectual Property. All rights reserved. + * Modifications Copyright (C) 2020, 2024 Nordix Foundation + * ================================================================================ + * Licensed 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.drools.pooling.state; + +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.anyLong; +import static org.mockito.ArgumentMatchers.anyString; +import static org.mockito.Mockito.doAnswer; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import java.util.Arrays; +import java.util.LinkedList; +import java.util.List; +import java.util.SortedSet; +import java.util.TreeSet; +import java.util.concurrent.atomic.AtomicReference; +import org.apache.commons.lang3.tuple.Pair; +import org.apache.commons.lang3.tuple.Triple; +import org.onap.policy.drools.pooling.CancellableScheduledTask; +import org.onap.policy.drools.pooling.PoolingManager; +import org.onap.policy.drools.pooling.PoolingProperties; +import org.onap.policy.drools.pooling.message.BucketAssignments; +import org.onap.policy.drools.pooling.message.Leader; +import org.onap.policy.drools.pooling.message.Message; + +/** + * Superclass used to test subclasses of {@link State}. + */ +public class SupportBasicStateTester { + + protected static final long STD_HEARTBEAT_WAIT_MS = 10; + protected static final long STD_REACTIVATE_WAIT_MS = STD_HEARTBEAT_WAIT_MS + 1; + protected static final long STD_IDENTIFICATION_MS = STD_REACTIVATE_WAIT_MS + 1; + protected static final long STD_ACTIVE_HEARTBEAT_MS = STD_IDENTIFICATION_MS + 1; + protected static final long STD_INTER_HEARTBEAT_MS = STD_ACTIVE_HEARTBEAT_MS + 1; + + protected static final String MY_TOPIC = "myTopic"; + + protected static final String PREV_HOST = "prevHost"; + protected static final String PREV_HOST2 = PREV_HOST + "A"; + + // this follows PREV_HOST, alphabetically + protected static final String MY_HOST = PREV_HOST + "X"; + + // these follow MY_HOST, alphabetically + protected static final String HOST1 = MY_HOST + "1"; + protected static final String HOST2 = MY_HOST + "2"; + protected static final String HOST3 = MY_HOST + "3"; + protected static final String HOST4 = MY_HOST + "4"; + + protected static final String LEADER = HOST1; + + protected static final String[] HOST_ARR3 = {HOST1, MY_HOST, HOST2}; + + protected static final BucketAssignments EMPTY_ASGN = new BucketAssignments(); + protected static final BucketAssignments ASGN3 = new BucketAssignments(HOST_ARR3); + + /** + * Scheduled tasks returned by schedule(). + */ + protected LinkedList<CancellableScheduledTask> onceSchedules; + + /** + * Tasks captured via schedule(). + */ + protected LinkedList<Pair<Long, StateTimerTask>> onceTasks; + + /** + * Scheduled tasks returned by scheduleWithFixedDelay(). + */ + protected LinkedList<CancellableScheduledTask> repeatedSchedules; + + /** + * Tasks captured via scheduleWithFixedDelay(). + */ + protected LinkedList<Triple<Long, Long, StateTimerTask>> repeatedTasks; + + /** + * Messages captured via publish(). + */ + protected LinkedList<Pair<String, Message>> published; + + /** + * Messages captured via publishAdmin(). + */ + protected LinkedList<Message> admin; + + protected PoolingManager mgr; + protected PoolingProperties props; + protected State prevState; + + public SupportBasicStateTester() { + super(); + } + + /** + * Setup. + * + * @throws Exception throws exception + */ + public void setUp() throws Exception { + onceSchedules = new LinkedList<>(); + onceTasks = new LinkedList<>(); + + repeatedSchedules = new LinkedList<>(); + repeatedTasks = new LinkedList<>(); + + published = new LinkedList<>(); + admin = new LinkedList<>(); + + mgr = mock(PoolingManager.class); + props = mock(PoolingProperties.class); + + when(mgr.getHost()).thenReturn(MY_HOST); + when(mgr.getTopic()).thenReturn(MY_TOPIC); + when(mgr.getProperties()).thenReturn(props); + + when(props.getStartHeartbeatMs()).thenReturn(STD_HEARTBEAT_WAIT_MS); + when(props.getReactivateMs()).thenReturn(STD_REACTIVATE_WAIT_MS); + when(props.getIdentificationMs()).thenReturn(STD_IDENTIFICATION_MS); + when(props.getActiveHeartbeatMs()).thenReturn(STD_ACTIVE_HEARTBEAT_MS); + when(props.getInterHeartbeatMs()).thenReturn(STD_INTER_HEARTBEAT_MS); + + prevState = new State(mgr) {}; + + // capture publish() arguments + doAnswer(invocation -> { + Object[] args = invocation.getArguments(); + published.add(Pair.of((String) args[0], (Message) args[1])); + + return null; + }).when(mgr).publish(anyString(), any(Message.class)); + + // capture publishAdmin() arguments + doAnswer(invocation -> { + Object[] args = invocation.getArguments(); + admin.add((Message) args[0]); + + return null; + }).when(mgr).publishAdmin(any(Message.class)); + + // capture schedule() arguments, and return a new future + when(mgr.schedule(anyLong(), any(StateTimerTask.class))).thenAnswer(invocation -> { + Object[] args = invocation.getArguments(); + onceTasks.add(Pair.of((Long) args[0], (StateTimerTask) args[1])); + + CancellableScheduledTask sched = mock(CancellableScheduledTask.class); + onceSchedules.add(sched); + return sched; + }); + + // capture scheduleWithFixedDelay() arguments, and return a new future + when(mgr.scheduleWithFixedDelay(anyLong(), anyLong(), any(StateTimerTask.class))).thenAnswer(invocation -> { + Object[] args = invocation.getArguments(); + repeatedTasks.add(Triple.of((Long) args[0], (Long) args[1], (StateTimerTask) args[2])); + + CancellableScheduledTask sched = mock(CancellableScheduledTask.class); + repeatedSchedules.add(sched); + return sched; + }); + + // get/set assignments in the manager + AtomicReference<BucketAssignments> asgn = new AtomicReference<>(ASGN3); + + when(mgr.getAssignments()).thenAnswer(args -> asgn.get()); + + doAnswer(args -> { + asgn.set(args.getArgument(0)); + return null; + }).when(mgr).startDistributing(any()); + } + + /** + * Makes a sorted set of hosts. + * + * @param hosts the hosts to be sorted + * @return the set of hosts, sorted + */ + protected SortedSet<String> sortHosts(String... hosts) { + return new TreeSet<>(Arrays.asList(hosts)); + } + + /** + * Captures the host array from the Leader message published to the admin channel. + * + * @return the host array, as a list + */ + protected List<String> captureHostList() { + return Arrays.asList(captureHostArray()); + } + + /** + * Captures the host array from the Leader message published to the admin channel. + * + * @return the host array + */ + protected String[] captureHostArray() { + BucketAssignments asgn = captureAssignments(); + + String[] arr = asgn.getHostArray(); + assertNotNull(arr); + + return arr; + } + + /** + * Captures the assignments from the Leader message published to the admin channel. + * + * @return the bucket assignments + */ + protected BucketAssignments captureAssignments() { + Leader msg = captureAdminMessage(Leader.class); + + BucketAssignments asgn = msg.getAssignments(); + assertNotNull(asgn); + return asgn; + } + + /** + * Captures the message published to the admin channel. + * + * @param clazz type of {@link Message} to capture + * @return the message that was published + */ + protected <T extends Message> T captureAdminMessage(Class<T> clazz) { + return captureAdminMessage(clazz, 0); + } + + /** + * Captures the message published to the admin channel. + * + * @param clazz type of {@link Message} to capture + * @param index index of the item to be captured + * @return the message that was published + */ + protected <T extends Message> T captureAdminMessage(Class<T> clazz, int index) { + return clazz.cast(admin.get(index)); + } + + /** + * Captures the message published to the non-admin channels. + * + * @param clazz type of {@link Message} to capture + * @return the (channel,message) pair that was published + */ + protected <T extends Message> Pair<String, T> capturePublishedMessage(Class<T> clazz) { + return capturePublishedMessage(clazz, 0); + } + + /** + * Captures the message published to the non-admin channels. + * + * @param clazz type of {@link Message} to capture + * @param index index of the item to be captured + * @return the (channel,message) pair that was published + */ + protected <T extends Message> Pair<String, T> capturePublishedMessage(Class<T> clazz, int index) { + Pair<String, Message> msg = published.get(index); + return Pair.of(msg.getLeft(), clazz.cast(msg.getRight())); + } +} |