| /* |
| * 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.tinkerpop.gremlin.driver.remote; |
| |
| import org.apache.tinkerpop.gremlin.driver.AbstractResultQueueTest; |
| import org.apache.tinkerpop.gremlin.driver.Client; |
| import org.apache.tinkerpop.gremlin.driver.ResultSet; |
| import org.apache.tinkerpop.gremlin.driver.message.RequestMessage; |
| import org.apache.tinkerpop.gremlin.process.traversal.TraversalSideEffects; |
| import org.junit.Test; |
| import org.mockito.stubbing.Answer; |
| |
| import java.util.UUID; |
| import java.util.concurrent.CompletableFuture; |
| |
| import static org.hamcrest.core.IsInstanceOf.instanceOf; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public class DriverRemoteTraversalSideEffectsTest extends AbstractResultQueueTest { |
| |
| @Test |
| public void shouldNotContactRemoteForKeysAfterCloseIsCalled() throws Exception { |
| final Client client = mock(Client.class); |
| mockClientForCall(client); |
| mockClientForCall(client); |
| |
| final UUID sideEffectKey = UUID.fromString("31dec2c6-b214-4a6f-a68b-996608dce0d9"); |
| final CompletableFuture<Void> ready = new CompletableFuture<>(); |
| ready.complete(null); |
| final TraversalSideEffects sideEffects = new DriverRemoteTraversalSideEffects(client, sideEffectKey, null, ready); |
| |
| assertEquals(1, sideEffects.keys().size()); |
| sideEffects.close(); |
| |
| // call this again and again and it will only hit the cached keys - no more server calls |
| assertEquals(1, sideEffects.keys().size()); |
| assertEquals(1, sideEffects.keys().size()); |
| assertEquals(1, sideEffects.keys().size()); |
| assertEquals(1, sideEffects.keys().size()); |
| |
| // once for the keys and once for the close message |
| verify(client, times(2)).submitAsync(any(RequestMessage.class)); |
| } |
| |
| @Test |
| public void shoudlNotContactRemoteForGetAfterCloseIsCalled() throws Exception { |
| final Client client = mock(Client.class); |
| mockClientForCall(client); |
| mockClientForCall(client); |
| final UUID sideEffectKey = UUID.fromString("31dec2c6-b214-4a6f-a68b-996608dce0d9"); |
| final CompletableFuture<Void> ready = new CompletableFuture<>(); |
| ready.complete(null); |
| final TraversalSideEffects sideEffects = new DriverRemoteTraversalSideEffects(client, sideEffectKey, null, ready); |
| |
| assertNotNull(sideEffects.get("test-0")); |
| sideEffects.close(); |
| |
| // Side effect 'a' should be cached locally |
| assertNotNull(sideEffects.get("test-0")); |
| assertNotNull(sideEffects.get("test-0")); |
| assertNotNull(sideEffects.get("test-0")); |
| |
| // Once for keys, once for get and once for close |
| verify(client, times(3)).submitAsync(any(RequestMessage.class)); |
| } |
| |
| @Test |
| public void shouldNotContactRemoteMoreThanOnceForClose() throws Exception { |
| final Client client = mock(Client.class); |
| mockClientForCall(client); |
| |
| final UUID sideEffectKey = UUID.fromString("31dec2c6-b214-4a6f-a68b-996608dce0d9"); |
| final CompletableFuture<Void> ready = new CompletableFuture<>(); |
| ready.complete(null); |
| final TraversalSideEffects sideEffects = new DriverRemoteTraversalSideEffects(client, sideEffectKey, null, ready); |
| |
| sideEffects.close(); |
| sideEffects.close(); |
| sideEffects.close(); |
| sideEffects.close(); |
| sideEffects.close(); |
| |
| try { |
| sideEffects.keys(); |
| fail("The traversal is closed"); |
| } catch (Exception ex) { |
| assertThat(ex, instanceOf(IllegalStateException.class)); |
| assertEquals("Traversal has been closed - side-effect keys cannot be retrieved", ex.getMessage()); |
| } |
| |
| try { |
| sideEffects.get("a"); |
| fail("The traversal is closed"); |
| } catch (Exception ex) { |
| assertThat(ex, instanceOf(IllegalStateException.class)); |
| assertEquals("Traversal has been closed - side-effect keys cannot be retrieved", ex.getMessage()); |
| } |
| |
| // once for the close message |
| verify(client, times(1)).submitAsync(any(RequestMessage.class)); |
| } |
| |
| private void mockClientForCall(final Client client) throws Exception { |
| // the return is just generic garbage from addToQueue for any call to submitAsync(). |
| when(client.submitAsync(any(RequestMessage.class))).thenAnswer((Answer<Object>) invocationOnMock -> { |
| final ResultSet returnedResultSet = new ResultSet(resultQueue, pool, readCompleted, RequestMessage.build("traversal").create(), null); |
| addToQueue(1, 0, true, true, 1); |
| final CompletableFuture<ResultSet> returnedFuture = new CompletableFuture<>(); |
| returnedFuture.complete(returnedResultSet); |
| return returnedFuture; |
| }); |
| } |
| } |