| /* |
| * 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.groovy.jsr223; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; |
| import org.apache.tinkerpop.gremlin.structure.Graph; |
| import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerFactory; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.script.Bindings; |
| import javax.script.ScriptException; |
| |
| import static org.junit.Assert.fail; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public class GremlinGroovyScriptEngineIntegrateTest { |
| private static final Logger logger = LoggerFactory.getLogger(GremlinGroovyScriptEngineIntegrateTest.class); |
| |
| @Test |
| public void shouldNotBlowTheHeapParameterized() throws ScriptException { |
| final Graph graph = TinkerFactory.createModern(); |
| final GraphTraversalSource g = graph.traversal(); |
| final GremlinGroovyScriptEngine engine = new GremlinGroovyScriptEngine(); |
| |
| final String[] gremlins = new String[]{ |
| "g.V(xxx).out().toList()", |
| "g.V(xxx).in().toList()", |
| "g.V(xxx).out().out().out().toList()", |
| "g.V(xxx).out().groupCount()" |
| }; |
| |
| long parameterizedStartTime = System.currentTimeMillis(); |
| logger.info("Try to blow the heap with parameterized Gremlin."); |
| try { |
| for (int ix = 0; ix < 50001; ix++) { |
| final Bindings bindings = engine.createBindings(); |
| bindings.put("g", g); |
| bindings.put("xxx", (ix % 4) + 1); |
| engine.eval(gremlins[ix % 4], bindings); |
| |
| if (ix > 0 && ix % 5000 == 0) { |
| logger.info(String.format("%s scripts processed in %s (ms) - rate %s (ms/q).", ix, System.currentTimeMillis() - parameterizedStartTime, Double.valueOf(System.currentTimeMillis() - parameterizedStartTime) / Double.valueOf(ix))); |
| } |
| } |
| } catch (OutOfMemoryError oome) { |
| fail("Blew the heap - the cache should prevent this from happening."); |
| } |
| } |
| |
| @Test |
| public void shouldNotBlowTheHeapUnparameterized() throws ScriptException { |
| final GremlinGroovyScriptEngine engine = new GremlinGroovyScriptEngine(); |
| long notParameterizedStartTime = System.currentTimeMillis(); |
| logger.info("Try to blow the heap with non-parameterized Gremlin."); |
| try { |
| for (int ix = 0; ix < 15001; ix++) { |
| final Bindings bindings = engine.createBindings(); |
| engine.eval(String.format("1+%s", ix), bindings); |
| if (ix > 0 && ix % 5000 == 0) { |
| logger.info(String.format("%s scripts processed in %s (ms) - rate %s (ms/q).", ix, System.currentTimeMillis() - notParameterizedStartTime, Double.valueOf(System.currentTimeMillis() - notParameterizedStartTime) / Double.valueOf(ix))); |
| } |
| } |
| } catch (OutOfMemoryError oome) { |
| fail("Blew the heap - the cache should prevent this from happening."); |
| } |
| } |
| |
| } |