| /** |
| * 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.rya.streams.querymanager.kafka; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import java.util.Set; |
| import java.util.UUID; |
| |
| import org.apache.kafka.streams.KafkaStreams; |
| import org.apache.rya.streams.api.entity.StreamsQuery; |
| import org.apache.rya.streams.kafka.KafkaStreamsFactory; |
| import org.apache.rya.streams.querymanager.QueryExecutor; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Sets; |
| |
| /** |
| * Unit tests the methods of {@link LocalQueryExecutor}. |
| */ |
| public class LocalQueryExecutorTest { |
| |
| @Test(expected = IllegalStateException.class) |
| public void startQuery_serviceNotStarted() throws Exception { |
| final QueryExecutor executor = new LocalQueryExecutor(mock(KafkaStreamsFactory.class)); |
| executor.startQuery("rya", new StreamsQuery(UUID.randomUUID(), "query", true)); |
| } |
| |
| @Test |
| public void startQuery() throws Exception { |
| // Test values. |
| final String ryaInstance = "rya"; |
| final StreamsQuery query = new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| |
| // Mock the streams factory so that we can tell if the start function is invoked by the executor. |
| final KafkaStreamsFactory jobFactory = mock(KafkaStreamsFactory.class); |
| final KafkaStreams queryJob = mock(KafkaStreams.class); |
| when(jobFactory.make(eq(ryaInstance), eq(query))).thenReturn(queryJob); |
| |
| // Start the executor that will be tested. |
| final QueryExecutor executor = new LocalQueryExecutor(jobFactory); |
| executor.startAndWait(); |
| try { |
| // Tell the executor to start the query. |
| executor.startQuery(ryaInstance, query); |
| |
| // Show a job was started for that query's ID. |
| verify(queryJob).start(); |
| } finally { |
| executor.stopAndWait(); |
| } |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void stopQuery_serviceNotStarted() throws Exception { |
| final QueryExecutor executor = new LocalQueryExecutor(mock(KafkaStreamsFactory.class)); |
| executor.stopQuery(UUID.randomUUID()); |
| } |
| |
| @Test |
| public void stopQuery_queryNotRunning() throws Exception { |
| // Start an executor. |
| final QueryExecutor executor = new LocalQueryExecutor(mock(KafkaStreamsFactory.class)); |
| executor.startAndWait(); |
| try { |
| // Try to stop a query that was never stareted. |
| executor.stopQuery(UUID.randomUUID()); |
| } finally { |
| executor.stopAndWait(); |
| } |
| } |
| |
| @Test |
| public void stopQuery() throws Exception { |
| // Test values. |
| final String ryaInstance = "rya"; |
| final StreamsQuery query = new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| |
| // Mock the streams factory so that we can tell if the stop function is invoked by the executor. |
| final KafkaStreamsFactory jobFactory = mock(KafkaStreamsFactory.class); |
| final KafkaStreams queryJob = mock(KafkaStreams.class); |
| when(jobFactory.make(eq(ryaInstance), eq(query))).thenReturn(queryJob); |
| |
| // Start the executor that will be tested. |
| final QueryExecutor executor = new LocalQueryExecutor(jobFactory); |
| executor.startAndWait(); |
| try { |
| // Tell the executor to start the query. |
| executor.startQuery(ryaInstance, query); |
| |
| // Tell the executor to stop the query. |
| executor.stopQuery(query.getQueryId()); |
| |
| // Show a job was stopped for that query's ID. |
| verify(queryJob).close(); |
| } finally { |
| executor.stopAndWait(); |
| } |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void stopAll_serviceNotStarted() throws Exception { |
| final QueryExecutor executor = new LocalQueryExecutor(mock(KafkaStreamsFactory.class)); |
| executor.stopAll("rya"); |
| } |
| |
| @Test |
| public void stopAll_noneForThatRyaInstance() throws Exception { |
| // Test values. |
| final String ryaInstance = "rya"; |
| final StreamsQuery query1= new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| final StreamsQuery query2= new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| |
| // Mock the streams factory so that we can tell if the stop function is invoked by the executor. |
| final KafkaStreamsFactory jobFactory = mock(KafkaStreamsFactory.class); |
| final KafkaStreams queryJob1 = mock(KafkaStreams.class); |
| final KafkaStreams queryJob2 = mock(KafkaStreams.class); |
| when(jobFactory.make(eq(ryaInstance), eq(query1))).thenReturn(queryJob1); |
| when(jobFactory.make(eq(ryaInstance), eq(query2))).thenReturn(queryJob2); |
| |
| // Start the executor that will be tested. |
| final QueryExecutor executor = new LocalQueryExecutor(jobFactory); |
| executor.startAndWait(); |
| try { |
| // Tell the executor to start the queries. |
| executor.startQuery(ryaInstance, query1); |
| executor.startQuery(ryaInstance, query2); |
| |
| // Verify both are running. |
| verify(queryJob1).start(); |
| verify(queryJob2).start(); |
| |
| // Tell the executor to stop queries running under rya2. |
| executor.stopAll("someOtherRyaInstance"); |
| |
| // Show none of the queries were stopped. |
| verify(queryJob1, never()).close(); |
| verify(queryJob2, never()).close(); |
| |
| } finally { |
| executor.stopAndWait(); |
| } |
| } |
| |
| @Test |
| public void stopAll() throws Exception { |
| // Test values. |
| final String ryaInstance1 = "rya1"; |
| final StreamsQuery query1= new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| final String ryaInstance2 = "rya2"; |
| final StreamsQuery query2= new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| |
| // Mock the streams factory so that we can tell if the stop function is invoked by the executor. |
| final KafkaStreamsFactory jobFactory = mock(KafkaStreamsFactory.class); |
| final KafkaStreams queryJob1 = mock(KafkaStreams.class); |
| when(jobFactory.make(eq(ryaInstance1), eq(query1))).thenReturn(queryJob1); |
| final KafkaStreams queryJob2 = mock(KafkaStreams.class); |
| when(jobFactory.make(eq(ryaInstance2), eq(query2))).thenReturn(queryJob2); |
| |
| // Start the executor that will be tested. |
| final QueryExecutor executor = new LocalQueryExecutor(jobFactory); |
| executor.startAndWait(); |
| try { |
| // Tell the executor to start the queries. |
| executor.startQuery(ryaInstance1, query1); |
| executor.startQuery(ryaInstance2, query2); |
| |
| // Verify both are running. |
| verify(queryJob1).start(); |
| verify(queryJob2).start(); |
| |
| // Tell the executor to stop queries running under rya2. |
| executor.stopAll(ryaInstance2); |
| |
| // Show the first query is still running, but the second isn't. |
| verify(queryJob1, never()).close(); |
| verify(queryJob2).close(); |
| |
| } finally { |
| executor.stopAndWait(); |
| } |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void getRunningQueryIds_serviceNotStarted() throws Exception { |
| final QueryExecutor executor = new LocalQueryExecutor(mock(KafkaStreamsFactory.class)); |
| executor.getRunningQueryIds(); |
| } |
| |
| @Test |
| public void getRunningQueryIds_noneStarted() throws Exception { |
| // Start an executor. |
| final QueryExecutor executor = new LocalQueryExecutor(mock(KafkaStreamsFactory.class)); |
| executor.startAndWait(); |
| try { |
| // Get the list of running queries. |
| final Set<UUID> runningQueries = executor.getRunningQueryIds(); |
| |
| // Show no queries are reported as running. |
| assertTrue(runningQueries.isEmpty()); |
| } finally { |
| executor.stopAndWait(); |
| } |
| } |
| |
| @Test |
| public void getRunningQueryIds_noneStopped() throws Exception { |
| // Test values. |
| final String ryaInstance = "rya"; |
| final StreamsQuery query1 = new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| final StreamsQuery query2 = new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| final StreamsQuery query3 = new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| |
| // Mock the streams factory so that we can figure out what is started. |
| final KafkaStreamsFactory jobFactory = mock(KafkaStreamsFactory.class); |
| when(jobFactory.make(eq(ryaInstance), eq(query1))).thenReturn(mock(KafkaStreams.class)); |
| when(jobFactory.make(eq(ryaInstance), eq(query2))).thenReturn(mock(KafkaStreams.class)); |
| when(jobFactory.make(eq(ryaInstance), eq(query3))).thenReturn(mock(KafkaStreams.class)); |
| |
| // Start the executor that will be tested. |
| final QueryExecutor executor = new LocalQueryExecutor(jobFactory); |
| executor.startAndWait(); |
| try { |
| // Start the queries. |
| executor.startQuery(ryaInstance, query1); |
| executor.startQuery(ryaInstance, query2); |
| executor.startQuery(ryaInstance, query3); |
| |
| // All of those query IDs should be reported as running. |
| final Set<UUID> expected = Sets.newHashSet( |
| query1.getQueryId(), |
| query2.getQueryId(), |
| query3.getQueryId()); |
| assertEquals(expected, executor.getRunningQueryIds()); |
| |
| } finally { |
| executor.stopAndWait(); |
| } |
| } |
| |
| @Test |
| public void getRunningQueryIds_stoppedNoLongerListed() throws Exception { |
| // Test values. |
| final String ryaInstance = "rya"; |
| final StreamsQuery query1 = new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| final StreamsQuery query2 = new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| final StreamsQuery query3 = new StreamsQuery(UUID.randomUUID(), "SELECT * WHERE { ?a ?b ?c. }", true); |
| |
| // Mock the streams factory so that we can figure out what is started. |
| final KafkaStreamsFactory jobFactory = mock(KafkaStreamsFactory.class); |
| when(jobFactory.make(eq(ryaInstance), eq(query1))).thenReturn(mock(KafkaStreams.class)); |
| when(jobFactory.make(eq(ryaInstance), eq(query2))).thenReturn(mock(KafkaStreams.class)); |
| when(jobFactory.make(eq(ryaInstance), eq(query3))).thenReturn(mock(KafkaStreams.class)); |
| |
| // Start the executor that will be tested. |
| final QueryExecutor executor = new LocalQueryExecutor(jobFactory); |
| executor.startAndWait(); |
| try { |
| // Start the queries. |
| executor.startQuery(ryaInstance, query1); |
| executor.startQuery(ryaInstance, query2); |
| executor.startQuery(ryaInstance, query3); |
| |
| // Stop the second query. |
| executor.stopQuery(query2.getQueryId()); |
| |
| // Only the first and third queries are running. |
| final Set<UUID> expected = Sets.newHashSet( |
| query1.getQueryId(), |
| query3.getQueryId()); |
| assertEquals(expected, executor.getRunningQueryIds()); |
| |
| } finally { |
| executor.stopAndWait(); |
| } |
| } |
| } |