| /* |
| * 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 io.cucumber.java.Scenario; |
| import org.apache.tinkerpop.gremlin.LoadGraphWith; |
| import org.apache.tinkerpop.gremlin.TestHelper; |
| import org.apache.tinkerpop.gremlin.driver.Client; |
| import org.apache.tinkerpop.gremlin.driver.Cluster; |
| import org.apache.tinkerpop.gremlin.util.ser.Serializers; |
| import org.apache.tinkerpop.gremlin.features.World; |
| import org.apache.tinkerpop.gremlin.process.computer.Computer; |
| import org.apache.tinkerpop.gremlin.process.traversal.AnonymousTraversalSource; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; |
| import org.apache.tinkerpop.gremlin.server.TestClientFactory; |
| import org.apache.tinkerpop.gremlin.tinkergraph.process.computer.TinkerGraphComputer; |
| import org.junit.AssumptionViolatedException; |
| |
| import java.io.File; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| /** |
| * The abstract {@link World} implementation for driver/server that provides the {@link GraphTraversalSource} instances |
| * required by the Gherkin test suite. A new cluster and client is injected per scenario. To reduce runtime of the |
| * tests, the same server is used for every scenario. |
| */ |
| public abstract class RemoteWorld implements World { |
| private final Cluster cluster; |
| |
| /** |
| * Helper method to create a test cluster based on the type of serializer. Can be used by implementations to help |
| * construct a RemoteWorld. |
| */ |
| public static Cluster createTestCluster(final Serializers serializer) { |
| return TestClientFactory.build().serializer(serializer).create(); |
| } |
| |
| public RemoteWorld(Cluster cluster) { |
| this.cluster = cluster; |
| } |
| |
| @Override |
| public void afterEachScenario() { |
| cluster.close(); |
| } |
| |
| @Override |
| public GraphTraversalSource getGraphTraversalSource(final LoadGraphWith.GraphData graphData) { |
| String remoteTraversalSource = "g"; // these names are from gremlin-server-integration.yaml |
| final Client client = cluster.connect(); |
| |
| if (null == graphData) { |
| try { // Clear data before run because tests are allowed to modify data for the empty graph. |
| client.submit("graph.clear();").all().get(); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| remoteTraversalSource = "ggraph"; |
| } else { |
| switch (graphData) { |
| case CLASSIC: |
| remoteTraversalSource = "gclassic"; |
| break; |
| case CREW: |
| remoteTraversalSource = "gcrew"; |
| break; |
| case MODERN: |
| remoteTraversalSource = "gmodern"; |
| break; |
| case SINK: |
| remoteTraversalSource = "gsink"; |
| break; |
| case GRATEFUL: |
| remoteTraversalSource = "ggrateful"; |
| break; |
| default: |
| throw new UnsupportedOperationException("GraphData not supported: " + graphData.name()); |
| } |
| } |
| |
| return AnonymousTraversalSource.traversal().withRemote(DriverRemoteConnection.using(client, remoteTraversalSource)); |
| } |
| |
| @Override |
| public String changePathToDataFile(final String pathToFileFromGremlin) { |
| return ".." + File.separator + pathToFileFromGremlin; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * The abstract {@link World} implementation for driver/server that provides the {@link GraphTraversalSource} |
| * instances that include the VertexProgramStrategy. |
| */ |
| public abstract static class RemoteComputerWorld extends RemoteWorld { |
| private static final List<String> TAGS_TO_IGNORE = Arrays.asList( |
| "@StepDrop", |
| "@StepInject", |
| "@StepV", |
| "@GraphComputerVerificationOneBulk", |
| "@GraphComputerVerificationStrategyNotSupported", |
| "@GraphComputerVerificationMidVNotSupported", |
| "@GraphComputerVerificationInjectionNotSupported", |
| "@GraphComputerVerificationStarGraphExceeded", |
| "@GraphComputerVerificationReferenceOnly", |
| "@TinkerServiceRegistry"); |
| |
| private final int AVAILABLE_PROCESSORS = Runtime.getRuntime().availableProcessors(); |
| |
| public RemoteComputerWorld(Cluster cluster) { |
| super(cluster); |
| } |
| |
| @Override |
| public void beforeEachScenario(final Scenario scenario) { |
| final List<String> ignores = TAGS_TO_IGNORE.stream().filter(t -> scenario.getSourceTagNames().contains(t)).collect(Collectors.toList()); |
| if (!ignores.isEmpty()) |
| throw new AssumptionViolatedException(String.format("This scenario is not supported with GraphComputer: %s", ignores)); |
| } |
| |
| @Override |
| public GraphTraversalSource getGraphTraversalSource(final LoadGraphWith.GraphData graphData) { |
| if (null == graphData) throw new AssumptionViolatedException("GraphComputer does not support mutation"); |
| |
| final int state = TestHelper.RANDOM.nextInt(3); |
| switch (state) { |
| case 0: |
| return super.getGraphTraversalSource(graphData).withComputer(); |
| case 1: |
| return super.getGraphTraversalSource(graphData).withComputer(Computer.compute(TinkerGraphComputer.class)); |
| case 2: |
| return super.getGraphTraversalSource(graphData) |
| .withComputer(Computer.compute(TinkerGraphComputer.class) |
| .workers(TestHelper.RANDOM.nextInt(AVAILABLE_PROCESSORS) + 1)); |
| default: |
| throw new IllegalStateException("This state should not have occurred: " + state); |
| } |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| public static class GraphBinaryRemoteWorld extends RemoteWorld { |
| public GraphBinaryRemoteWorld() { super(createTestCluster(Serializers.GRAPHBINARY_V1D0)); } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| public static class GraphBinaryRemoteComputerWorld extends RemoteComputerWorld { |
| public GraphBinaryRemoteComputerWorld() { super(createTestCluster(Serializers.GRAPHBINARY_V1D0)); } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| public static class GraphSONRemoteWorld extends RemoteWorld { |
| public GraphSONRemoteWorld() { super(createTestCluster(Serializers.GRAPHSON_V3D0)); } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| public static class GraphSONRemoteComputerWorld extends RemoteComputerWorld { |
| public GraphSONRemoteComputerWorld() { super(createTestCluster(Serializers.GRAPHSON_V3D0)); } |
| } |
| } |