| /* |
| * 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.python.jsr223; |
| |
| import org.apache.tinkerpop.gremlin.jsr223.DefaultGremlinScriptEngineManager; |
| import org.apache.tinkerpop.gremlin.jsr223.GremlinScriptEngineManager; |
| import org.apache.tinkerpop.gremlin.process.traversal.SackFunctions; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal; |
| import org.apache.tinkerpop.gremlin.structure.Column; |
| import org.apache.tinkerpop.gremlin.structure.T; |
| import org.apache.tinkerpop.gremlin.structure.VertexProperty; |
| import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerFactory; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| import javax.script.ScriptContext; |
| import javax.script.ScriptEngine; |
| import javax.script.ScriptEngineManager; |
| import java.math.BigInteger; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.IsInstanceOf.instanceOf; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| */ |
| @Ignore |
| public class GremlinJythonScriptEngineTest { |
| |
| @Test |
| public void shouldGetEngineByName() throws Exception { |
| final ScriptEngine engine = new DefaultGremlinScriptEngineManager().getEngineByName("gremlin-jython"); |
| assertNotNull(engine); |
| assertTrue(engine instanceof GremlinJythonScriptEngine); |
| assertEquals(3, engine.eval("1+2")); |
| } |
| |
| @Test |
| public void shouldHaveCoreImports() throws Exception { |
| final ScriptEngine engine = new DefaultGremlinScriptEngineManager().getEngineByName("gremlin-jython"); |
| assertThat(engine.eval("Graph"), instanceOf(Class.class)); |
| assertThat(engine.eval("__"), instanceOf(Class.class)); |
| assertThat(engine.eval("T"), instanceOf(Class.class)); |
| assertThat(engine.eval("label"), instanceOf(T.class)); |
| assertThat(engine.eval("T.label"), instanceOf(T.class)); |
| assertEquals(SackFunctions.Barrier.class, engine.eval("Barrier")); |
| assertEquals(SackFunctions.Barrier.normSack, engine.eval("Barrier.normSack")); |
| assertEquals(Column.class, engine.eval("Column")); |
| assertEquals(Column.values, engine.eval("Column.valueOf(\'values\')")); |
| assertEquals(VertexProperty.Cardinality.class, engine.eval("Cardinality")); |
| assertEquals(VertexProperty.Cardinality.single, engine.eval("Cardinality.valueOf(\'single\')")); |
| assertTrue(engine.eval("out()") instanceof GraphTraversal); |
| assertTrue(engine.eval("__.out()") instanceof GraphTraversal); |
| assertTrue(engine.eval("__.property(VertexProperty.Cardinality.single, 'name','marko')") instanceof GraphTraversal); |
| assertTrue(engine.eval("__.property(Cardinality.single, 'name','marko')") instanceof GraphTraversal); |
| } |
| |
| |
| @Test |
| public void shouldSupportJavaBasedGraphTraversal() throws Exception { |
| final ScriptEngine engine = new DefaultGremlinScriptEngineManager().getEngineByName("gremlin-jython"); |
| engine.getBindings(ScriptContext.ENGINE_SCOPE).put("graph", TinkerFactory.createModern()); |
| engine.eval("g = graph.traversal()"); |
| assertEquals(new HashSet<>(Arrays.asList("ripple", "lop")), engine.eval("g.V().repeat(out()).times(2).values('name').toSet()")); |
| assertEquals(new HashSet<>(Arrays.asList("ripple", "lop")), engine.eval("g.V().repeat(__.out()).times(2).values('name').toSet()")); |
| assertEquals(new HashSet<>(Arrays.asList("ripple", "lop")), engine.eval("g.V().repeat(out()).times(2).name.toSet()")); |
| assertEquals(new HashSet<>(Arrays.asList("ripple", "lop")), engine.eval("g.V().repeat(__.out()).times(2).name.toSet()")); |
| assertEquals(new HashSet<>(Arrays.asList("ripple", "lop")), engine.eval("g.V().repeat(__.out()).times(2)[0:2].name.toSet()")); |
| assertEquals(new HashSet<>(Arrays.asList("ripple", "lop")), engine.eval("g.V().repeat(__.out()).times(2).name[0:3].toSet()")); |
| } |
| |
| @Test |
| public void shouldSupportSugarMethods() throws Exception { |
| final ScriptEngine engine = new DefaultGremlinScriptEngineManager().getEngineByName("gremlin-jython"); |
| engine.getBindings(ScriptContext.ENGINE_SCOPE).put("graph", TinkerFactory.createModern()); |
| engine.eval("g = graph.traversal()"); |
| assertEquals(new HashSet<>(Arrays.asList("ripple", "lop")), engine.eval("g.V().repeat(__.out()).times(2)[0:2].name.toSet()")); |
| assertEquals(new HashSet<>(Arrays.asList("ripple", "lop")), engine.eval("g.V().repeat(__.out()).times(2).name[0:3].toSet()")); |
| assertEquals(BigInteger.valueOf(1), engine.eval("g.V().repeat(__.out()).times(2).name[0:1].count().next()")); |
| assertEquals(BigInteger.valueOf(1), engine.eval("g.V().repeat(__.out()).times(2).name[0].count().next()")); |
| assertEquals(BigInteger.valueOf(0), engine.eval("g.V().repeat(__.out()).times(2).name[3].count().next()")); |
| } |
| } |