Coverage Summary for Class: TestLocalVertexStepRepeatStep (org.umlg.sqlg.test.localvertexstep)

Class Class, % Method, % Branch, % Line, %
TestLocalVertexStepRepeatStep 100% (1/1) 100% (70/70) 57.2% (869/1520) 99.9% (1046/1047)


 package org.umlg.sqlg.test.localvertexstep;
 
 import org.apache.tinkerpop.gremlin.process.traversal.Path;
 import org.apache.tinkerpop.gremlin.process.traversal.Traversal;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
 import org.apache.tinkerpop.gremlin.process.traversal.step.util.MapHelper;
 import org.apache.tinkerpop.gremlin.structure.Graph;
 import org.apache.tinkerpop.gremlin.structure.T;
 import org.apache.tinkerpop.gremlin.structure.Vertex;
 import org.junit.Assert;
 import org.junit.Test;
 import org.umlg.sqlg.test.BaseTest;
 
 import java.util.*;
 import java.util.function.Predicate;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 /**
  * Date: 2016/05/07
  * Time: 2:44 PM
  */
 public class TestLocalVertexStepRepeatStep extends BaseTest {
 
     @Test
     public void testLocalRepeatStepEmitTimesBefore() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         a1.addEdge("ab", b1);
         b1.addEdge("bc", c1);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.gt.V(a1).local(__.<Vertex>emit().times(2).repeat(__.out())).path().toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(3, paths.size());
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 1 && p.get(0).equals(a1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1),
                 p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testLocalRepeatStepEmitTimesAfter() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         a1.addEdge("ab", b1);
         b1.addEdge("bc", c1);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.gt.V(a1).local(__.repeat(__.out()).emit().times(2)).path().toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(2, paths.size());
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1),
                 p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeatSimpleTimesEmitBefore() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B");
         a1.addEdge("ab", b1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.<Vertex>times(1).emit().repeat(__.out())).path().toList();
         assertEquals(2, paths.size());
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 1 && p.get(0).equals(a1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeatSimpleTimeEmitAfter() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B");
         a1.addEdge("ab", b1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.repeat(__.out()).times(1).emit()).path().toList();
         assertEquals(1, paths.size());
         List<Predicate<Path>> pathsToAssert = Collections.singletonList(
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeat() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         this.sqlgGraph.tx().commit();
 
         List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>times(0).repeat(__.out("ab").out("bc"))).toList();
         //TODO put back in, bug is already fixed in TinkerPop but not yet deployed.
         assertEquals(1, vertices.size());
         assertTrue(vertices.contains(a1));
 
         vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.repeat(__.out("ab", "bc")).times(1)).toList();
         assertEquals(3, vertices.size());
         assertTrue(vertices.contains(b1));
         assertTrue(vertices.contains(b2));
         assertTrue(vertices.contains(b3));
 
         vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>times(1).repeat(__.out("ab", "bc"))).toList();
         assertEquals(3, vertices.size());
         assertTrue(vertices.contains(b1));
         assertTrue(vertices.contains(b2));
         assertTrue(vertices.contains(b3));
 
         vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.repeat(__.out("ab", "bc")).times(2)).toList();
         assertEquals(3, vertices.size());
         assertTrue(vertices.contains(c1));
         assertTrue(vertices.contains(c2));
         assertTrue(vertices.contains(c3));
 
         vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>times(2).repeat(__.out("ab", "bc"))).toList();
         assertEquals(3, vertices.size());
         assertTrue(vertices.contains(c1));
         assertTrue(vertices.contains(c2));
         assertTrue(vertices.contains(c3));
     }
 
     @Test
     public void testSmallerRepeatWithEmitFirst() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         b1.addEdge("bc", c1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().repeat(__.out("ab", "bc")).times(1)).path().toList();
         assertEquals(3, paths.size());
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 1 && p.get(0).equals(a1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
 
         paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().repeat(__.out("ab", "bc")).times(1)).path().toList();
         assertEquals(3, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeatWithEmitFirst() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name", "d2");
         Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name", "d3");
         c1.addEdge("cd", d1);
         c1.addEdge("cd", d2);
         c1.addEdge("cd", d3);
         this.sqlgGraph.tx().commit();
 
         List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().repeat(__.out("ab", "bc", "cd")).times(3)).toList();
         assertEquals(14, vertices.size());
         assertTrue(vertices.remove(a1));
         assertTrue(vertices.remove(b1));
         assertTrue(vertices.remove(b2));
         assertTrue(vertices.remove(b3));
         assertTrue(vertices.remove(c1));
         assertTrue(vertices.remove(c1));
         assertTrue(vertices.remove(c2));
         assertTrue(vertices.remove(c3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.isEmpty());
     }
 
     @Test
     public void testRepeatWithEmitFirstWithPeriod() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name.AA", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name.AA", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name.AA", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name.AA", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name.AA", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name.AA", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name.AA", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name.AA", "d1");
         Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name.AA", "d2");
         Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name.AA", "d3");
         c1.addEdge("cd", d1);
         c1.addEdge("cd", d2);
         c1.addEdge("cd", d3);
         this.sqlgGraph.tx().commit();
 
         List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().repeat(__.out("ab", "bc", "cd")).times(3)).toList();
         assertEquals(14, vertices.size());
         assertTrue(vertices.remove(a1));
         assertTrue(vertices.remove(b1));
         assertTrue(vertices.remove(b2));
         assertTrue(vertices.remove(b3));
         assertTrue(vertices.remove(c1));
         assertTrue(vertices.remove(c1));
         assertTrue(vertices.remove(c2));
         assertTrue(vertices.remove(c3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.isEmpty());
     }
 
     @Test
     public void testRepeatWithEmitFirstPathWithPeriod() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name.AA", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name", "d2");
         Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name", "d3");
         c1.addEdge("cd", d1);
         c1.addEdge("cd", d2);
         c1.addEdge("cd", d3);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().repeat(__.out("ab", "bc", "cd")).times(3)).path().toList();
         assertEquals(14, paths.size());
         for (Path path : paths) {
             System.out.println(path);
         }
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1) && ((Vertex)p.get(0)).value("name.AA").equals("a1")));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b3)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c2)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c3)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeatWithEmitFirstPath() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name", "d2");
         Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name", "d3");
         c1.addEdge("cd", d1);
         c1.addEdge("cd", d2);
         c1.addEdge("cd", d3);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().repeat(__.out("ab", "bc", "cd")).times(3)).path().toList();
         assertEquals(14, paths.size());
         for (Path path : paths) {
             System.out.println(path);
         }
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b3)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c2)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c3)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeatWithEmitTimesFirst() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name", "d2");
         Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name", "d3");
         c1.addEdge("cd", d1);
         c1.addEdge("cd", d2);
         c1.addEdge("cd", d3);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().times(3).repeat(__.out("ab", "bc", "cd"))).path().toList();
         for (Path path : paths) {
             System.out.println(path.toString());
         }
         assertEquals(14, paths.size());
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b3)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c2)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c3)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeatWithEmitTimesLast() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name", "d2");
         Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name", "d3");
         c1.addEdge("cd", d1);
         c1.addEdge("cd", d2);
         c1.addEdge("cd", d3);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.repeat(__.out("ab", "bc", "cd")).emit().times(3)).path().toList();
         for (Path path : paths) {
             System.out.println(path.toString());
         }
         assertEquals(13, paths.size());
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b2)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b3)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c2)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c3)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d3)).findAny().orElseThrow(IllegalStateException::new));
 
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeatWithEmitLastShouldNotLeftJoinFirstDegree() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name", "d2");
         Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name", "d3");
         c1.addEdge("cd", d1);
         c1.addEdge("cd", d2);
         c1.addEdge("cd", d3);
         this.sqlgGraph.tx().commit();
 
         List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.repeat(__.out("ab", "bc", "cd")).emit().times(3)).toList();
         for (Vertex vertex : vertices) {
             System.out.println(vertex.value("name").toString());
         }
         assertEquals(13, vertices.size());
         assertTrue(vertices.remove(b1));
         assertTrue(vertices.remove(b2));
         assertTrue(vertices.remove(b3));
         assertTrue(vertices.remove(c1));
         assertTrue(vertices.remove(c1));
         assertTrue(vertices.remove(c2));
         assertTrue(vertices.remove(c3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.isEmpty());
     }
 
     @Test
     public void testRepeatWithEmitLastWithTimesFirst() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
         Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
         a1.addEdge("ab", b1);
         a1.addEdge("ab", b2);
         a1.addEdge("ab", b3);
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
         Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c1);
         b1.addEdge("bc", c2);
         b1.addEdge("bc", c3);
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name", "d2");
         Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name", "d3");
         c1.addEdge("cd", d1);
         c1.addEdge("cd", d2);
         c1.addEdge("cd", d3);
         this.sqlgGraph.tx().commit();
 
         List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>times(3).repeat(__.out("ab", "bc", "cd")).emit()).toList();
         for (Vertex vertex : vertices) {
             System.out.println(vertex.value("name").toString());
         }
         assertEquals(19, vertices.size());
         assertTrue(vertices.remove(b1));
         assertTrue(vertices.remove(b2));
         assertTrue(vertices.remove(b3));
         assertTrue(vertices.remove(c1));
         assertTrue(vertices.remove(c1));
         assertTrue(vertices.remove(c2));
         assertTrue(vertices.remove(c3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.remove(d1));
         assertTrue(vertices.remove(d2));
         assertTrue(vertices.remove(d3));
         assertTrue(vertices.isEmpty());
     }
 
     @Test
     public void g_V_repeatXoutX_timesX2X() {
         final List<Traversal<Vertex, Vertex>> traversals = new ArrayList<>();
         loadModern();
         Graph graph = this.sqlgGraph;
         assertModernGraph(graph, true, false);
 
         Traversal<Vertex, Vertex> t = graph.traversal().V().local(__.repeat(__.out()).times(2));
         traversals.add(t);
         traversals.forEach(traversal -> {
             printTraversalForm(traversal);
             int counter = 0;
             while (traversal.hasNext()) {
                 counter++;
                 Vertex vertex = traversal.next();
                 assertTrue(vertex.value("name").equals("lop") || vertex.value("name").equals("ripple"));
             }
             Assert.assertEquals(2, counter);
             Assert.assertFalse(traversal.hasNext());
         });
     }
 
     @Test
     public void g_V_repeatXoutX_timesX2X_path_byXitX_byXnameX_byXlangX() {
         loadModern();
         Graph graph = this.sqlgGraph;
         assertModernGraph(graph, true, false);
         final Traversal<Vertex, Path> traversal = graph.traversal().V().local(__.repeat(__.out()).times(2).path().by().by("name").by("lang"));
         printTraversalForm(traversal);
         int counter = 0;
         while (traversal.hasNext()) {
             counter++;
             final Path path = traversal.next();
             assertEquals(3, path.size());
             assertEquals("marko", ((Vertex) path.get(0)).<String>value("name"));
             assertEquals("josh", path.<String>get(1));
             assertEquals("java", path.<String>get(2));
         }
         assertEquals(2, counter);
     }
 
     @Test
     public void g_V_repeatXoutX_timesX2X_emit_path() {
         loadModern();
         Graph graph = this.sqlgGraph;
         assertModernGraph(graph, true, false);
         GraphTraversalSource g = graph.traversal();
         final List<Traversal<Vertex, Path>> traversals = new ArrayList<>();
         Traversal<Vertex, Path> t = g.V().local(__.repeat(__.out()).emit().times(2)).path();
         traversals.add(t);
         traversals.forEach(traversal -> {
             printTraversalForm(traversal);
             final Map<Integer, Long> pathLengths = new HashMap<>();
             int counter = 0;
             while (traversal.hasNext()) {
                 counter++;
                 MapHelper.incr(pathLengths, traversal.next().size(), 1L);
             }
             assertEquals(2, pathLengths.size());
             assertEquals(8, counter);
             assertEquals(Long.valueOf(6), pathLengths.get(2));
             assertEquals(Long.valueOf(2), pathLengths.get(3));
         });
     }
 
     @Test
     public void testTimesBeforeEmitBefore() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B");
         a1.addEdge("ab", b1);
         b1.addEdge("ba", a1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.<Vertex>emit().times(2).repeat(__.out()).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 1 && p.get(0).equals(a1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1),
                 p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a1)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testTimesAfterEmitBefore() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B");
         a1.addEdge("ab", b1);
         b1.addEdge("ba", a1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.<Vertex>emit().repeat(__.out()).times(2).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 1 && p.get(0).equals(a1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1),
                 p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a1)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testTimesBeforeEmitBeforeToSelf() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A");
         Vertex a3 = this.sqlgGraph.addVertex(T.label, "A");
         a1.addEdge("aa", a2);
         a1.addEdge("ab", b1);
         a2.addEdge("aa", a3);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.<Vertex>emit().times(2).repeat(__.out()).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 1 && p.get(0).equals(a1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2),
                 p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(a3)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testTimesAfterEmitBeforeToSelf() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A");
         Vertex a3 = this.sqlgGraph.addVertex(T.label, "A");
         a1.addEdge("ab", a2);
         a2.addEdge("ab", a3);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.<Vertex>emit().repeat(__.out()).times(2).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 1 && p.get(0).equals(a1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2),
                 p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(a3)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void g_V_emit_timesX2X_repeatXoutX_path() {
         loadModern();
         Graph graph = this.sqlgGraph;
         GraphTraversalSource g = graph.traversal();
         final List<Traversal<Vertex, Path>> traversals = Arrays.asList(
                 g.V().local(__.<Vertex>emit().times(2).repeat(__.out()).path()),
                 g.V().local(__.<Vertex>emit().repeat(__.out()).times(2).path())
         );
         traversals.forEach(traversal -> {
             int path1 = 0;
             int path2 = 0;
             int path3 = 0;
             while (traversal.hasNext()) {
                 final Path path = traversal.next();
                 System.out.println(path);
                 //noinspection Duplicates
                 if (path.size() == 1) {
                     path1++;
                 } else if (path.size() == 2) {
                     path2++;
                 } else if (path.size() == 3) {
                     path3++;
                 } else {
                     Assert.fail("Only path lengths of 1, 2, or 3 should be seen");
                 }
             }
             assertEquals(6, path1);
             assertEquals(6, path2);
             assertEquals(2, path3);
         });
     }
 
     @Test
     public void testGremlinLeftJoin() {
         Vertex marko = this.sqlgGraph.addVertex(T.label, "Person", "name", "marko");
         Vertex josh = this.sqlgGraph.addVertex(T.label, "Person", "name", "josh");
         Vertex lop = this.sqlgGraph.addVertex(T.label, "Software", "name", "lop");
         marko.addEdge("knows", josh);
         marko.addEdge("created", lop);
         josh.addEdge("created", lop);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.repeat(__.out()).times(2).emit().path()).toList();
         assertEquals(4, paths.size());
 
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(marko) && p.get(1).equals(lop)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(marko) && p.get(1).equals(lop)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(josh) && p.get(1).equals(lop)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(josh) && p.get(1).equals(lop)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(marko) && p.get(1).equals(josh)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(marko) && p.get(1).equals(josh)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(marko) && p.get(1).equals(josh) && p.get(2).equals(lop)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(marko) && p.get(1).equals(josh) && p.get(2).equals(lop)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
 
         List<Vertex> vertices = this.sqlgGraph.traversal().V().local(__.repeat(__.out()).times(2).emit()).toList();
         assertEquals(4, vertices.size());
         assertTrue(vertices.remove(josh));
         assertTrue(vertices.remove(lop));
         assertTrue(vertices.remove(lop));
         assertTrue(vertices.remove(lop));
         assertTrue(vertices.isEmpty());
     }
 
     @Test
     public void testDuplicatePathToSelf() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex a3 = this.sqlgGraph.addVertex(T.label, "A", "name", "a3");
 
         a1.addEdge("knows", a2);
         a2.addEdge("knows", a3);
         this.sqlgGraph.tx().commit();
 
         List<Vertex> vertices = this.sqlgGraph.traversal().V().local(__.repeat(__.out("knows")).times(2).emit()).toList();
         assertEquals(3, vertices.size());
         assertTrue(vertices.remove(a2));
         assertTrue(vertices.remove(a3));
         assertTrue(vertices.remove(a3));
         assertEquals(0, vertices.size());
 
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.repeat(__.out("knows")).emit().times(2).path()).toList();
         assertEquals(3, paths.size());
         for (Path path : paths) {
             System.out.println(path);
         }
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(a3)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(a3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a2) && p.get(1).equals(a3)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a2) && p.get(1).equals(a3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testDuplicatePathToSelfEmitFirst() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex a3 = this.sqlgGraph.addVertex(T.label, "A", "name", "a3");
 
         a1.addEdge("knows", a2);
         a2.addEdge("knows", a3);
         this.sqlgGraph.tx().commit();
 
         List<Vertex> vertices = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out("knows")).times(2)).toList();
         assertEquals(6, vertices.size());
         assertTrue(vertices.remove(a1));
         assertTrue(vertices.remove(a2));
         assertTrue(vertices.remove(a3));
         assertTrue(vertices.remove(a2));
         assertTrue(vertices.remove(a3));
         assertTrue(vertices.remove(a3));
         assertEquals(0, vertices.size());
 
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out("knows")).times(2).path()).toList();
         assertEquals(6, paths.size());
         for (Path path : paths) {
             System.out.println(path);
         }
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(a3)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(a3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a2) && p.get(1).equals(a3)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a2) && p.get(1).equals(a3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a3)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a3)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testOnLeftJoinOnLeaveNode() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("ab", b1);
         a2.addEdge("ab", b1);
         this.sqlgGraph.tx().commit();
         List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().repeat(__.out("ab")).times(1)).toList();
         assertEquals(4, vertices.size());
     }
 
     @Test
     public void testOnDuplicatePaths() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("ab", b1);
         b1.addEdge("ba", a2);
         this.sqlgGraph.tx().commit();
         List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>emit().repeat(__.out("ab", "ba")).times(2)).toList();
         assertEquals(4, vertices.size());
     }
 
     @Test
     public void testOnDuplicatePathsFromVertexTimesAfter() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("ab", b1);
         b1.addEdge("ba", a2);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out("ab", "ba")).times(2).path()).toList();
         assertEquals(6, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a2)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a2)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testOnDuplicatePathsFromVertexTimes1After() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("ab", b1);
         b1.addEdge("ba", a2);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out("ab", "ba")).times(1).path()).toList();
         assertEquals(5, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testOnDuplicatePathsFromVertexTimes2After() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("ab", b1);
         b1.addEdge("ba", a2);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out("ab", "ba")).times(2).path()).toList();
         assertEquals(6, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testOnDuplicatePathsFromVertexTimes1EmitAfter() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("ab", b1);
         b1.addEdge("ba", a2);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.repeat(__.out("ab", "ba")).emit().times(1).path()).toList();
         assertEquals(2, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testOnDuplicatePathsFromVertexTimes2EmitAfter() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("ab", b1);
         b1.addEdge("ba", a2);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.repeat(__.out("ab", "ba")).emit().times(2).path()).toList();
         assertEquals(3, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a2)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testRepeatWithTimesBefore() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("ab", b1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().times(2).repeat(__.out()).path()).toList();
         assertEquals(3, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testPathToSelfTreeValidatedTakingTheRootIntoAccount() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("aa", a2);
         a2.addEdge("ba", b1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.repeat(__.out()).emit().times(2)).path().toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(3, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a2) && p.get(1).equals(b1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a2) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testEmitAfterTimesAfterAndBefore() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         a1.addEdge("ab", b1);
         b1.addEdge("bc", c1);
         c1.addEdge("cd", d1);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.repeat(__.out()).emit().times(3).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(3, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
 
         paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.repeat(__.out()).emit().times(4).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths.remove(paths.stream().filter(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
 
         paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>times(2).repeat(__.out()).emit().path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(3, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testTimesBeforeAfterFirstNoEmit() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
         a1.addEdge("ab", b1);
         b1.addEdge("bc", c1);
         c1.addEdge("cd", d1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.<Vertex>times(3).repeat(__.out()).path()).toList();
         assertEquals(1, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 4 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1) && p.get(3).equals(d1)));
         paths = this.sqlgGraph.traversal().V().hasLabel("A").local(__.repeat(__.out()).times(4).path()).toList();
         assertEquals(0, paths.size());
     }
 
     @Test
     public void testEmitTimesBeforeAfter() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
         a1.addEdge("ab", b1);
         b1.addEdge("bc", c1);
         this.sqlgGraph.tx().commit();
         List<Path> paths = this.sqlgGraph.traversal().V().hasLabel("B").local(__.<Vertex>emit().times(2).repeat(__.out()).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(2, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
 
         paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().times(2).repeat(__.out()).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(6, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
         System.out.println("-----------------");
 
         paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().times(3).repeat(__.out()).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(6, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
 
         System.out.println("-----------------");
         paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out()).times(3).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(6, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
         System.out.println("-----------------");
         paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out()).times(2).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(6, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(c1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(c1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testEmitTimes2MultiplePathsSimple() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("aa", a2);
         a2.addEdge("ab", b1);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.<Vertex>emit().times(2).repeat(__.out()).path()).toList();
         for (Path path : paths) {
             System.out.println(path);
         }
         assertEquals(3, paths.size());
         List<Predicate<Path>> pathsToAssert = Arrays.asList(
                 p -> p.size() == 1 && p.get(0).equals(a1),
                 p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2),
                 p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(b1)
         );
         for (Predicate<Path> pathPredicate : pathsToAssert) {
             Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
             assertTrue(path.isPresent());
             assertTrue(paths.remove(path.get()));
         }
         assertTrue(paths.isEmpty());
     }
 
     @Test
     public void testEmitTimes2MultiplePaths() {
         Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
         Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
         Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
         a1.addEdge("aa", a2);
         a2.addEdge("ab", b1);
         this.sqlgGraph.tx().commit();
 
         List<Path> paths = this.sqlgGraph.traversal()
                 .V()
                 .local(
                         __.<Vertex>emit().times(2).repeat(__.out()).path()
                 )
                 .toList();
         assertEquals(6, paths.size());
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a2)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a2) && p.get(1).equals(b1)));
         assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(b1)));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a2) && p.get(1).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(b1)).findAny().orElseThrow(IllegalStateException::new));
         assertTrue(paths.isEmpty());
     }
 
 }