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org.umlg.sqlg.test.gremlincompile.TestRepeatStepGraphBoth Maven / Gradle / Ivy
package org.umlg.sqlg.test.gremlincompile;
import org.apache.tinkerpop.gremlin.process.traversal.P;
import org.apache.tinkerpop.gremlin.process.traversal.Path;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
import org.apache.tinkerpop.gremlin.structure.Column;
import org.apache.tinkerpop.gremlin.structure.Edge;
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.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
/**
* Date: 2015/10/21
* Time: 8:18 PM
*/
public class TestRepeatStepGraphBoth extends BaseTest {
@Test
public void testRepeatBoth() {
Vertex a1 = this.sqlgGraph.addVertex(T.label, "A");
Vertex b1 = this.sqlgGraph.addVertex(T.label, "B");
Vertex c1 = this.sqlgGraph.addVertex(T.label, "C");
a1.addEdge("ab", b1);
b1.addEdge("bc", c1);
this.sqlgGraph.tx().commit();
DefaultGraphTraversal> traversal = (DefaultGraphTraversal>) this.sqlgGraph.traversal()
.V(b1).as("a")
.repeat(__.both()).times(3).emit().as("b")
.select("a", "b");
Assert.assertEquals(3, traversal.getSteps().size());
List> vertexList = traversal.toList();
Assert.assertEquals(2, traversal.getSteps().size());
Assert.assertEquals(8, vertexList.size());
List aVertices = new ArrayList<>();
List bVertices = new ArrayList<>();
for (Map stringVertexMap : vertexList) {
System.out.println(stringVertexMap);
Assert.assertEquals(2, stringVertexMap.size());
aVertices.add(stringVertexMap.get("a"));
bVertices.add(stringVertexMap.get("b"));
}
Assert.assertTrue(aVertices.remove(b1));
Assert.assertTrue(aVertices.remove(b1));
Assert.assertTrue(aVertices.remove(b1));
Assert.assertTrue(aVertices.remove(b1));
Assert.assertTrue(aVertices.remove(b1));
Assert.assertTrue(aVertices.remove(b1));
Assert.assertTrue(aVertices.remove(b1));
Assert.assertTrue(aVertices.remove(b1));
Assert.assertTrue(aVertices.isEmpty());
Assert.assertTrue(bVertices.remove(c1));
Assert.assertTrue(bVertices.remove(c1));
Assert.assertTrue(bVertices.remove(c1));
Assert.assertTrue(bVertices.remove(a1));
Assert.assertTrue(bVertices.remove(a1));
Assert.assertTrue(bVertices.remove(a1));
Assert.assertTrue(bVertices.remove(b1));
Assert.assertTrue(bVertices.remove(b1));
Assert.assertTrue(bVertices.isEmpty());
}
@Test
public void testGroupByByFailure() {
loadModern();
this.sqlgGraph.tx().commit();
DefaultGraphTraversal> traversal = (DefaultGraphTraversal>) this.sqlgGraph.traversal()
.V().as("a")
.repeat(__.both()).times(3).emit().as("b")
.group()
.by(__.select("a"))
.by(__.select("b").dedup().order().by(T.id).fold())
.select(Column.values)
.>unfold()
.dedup();
Assert.assertEquals(6, traversal.getSteps().size());
printTraversalForm(traversal);
Assert.assertEquals(5, traversal.getSteps().size());
final Collection vertices = traversal.next();
Assert.assertFalse(traversal.hasNext());
Assert.assertEquals(6, vertices.size());
Assert.assertTrue(vertices.contains(convertToVertex(this.sqlgGraph, "marko")));
Assert.assertTrue(vertices.contains(convertToVertex(this.sqlgGraph, "vadas")));
Assert.assertTrue(vertices.contains(convertToVertex(this.sqlgGraph, "josh")));
Assert.assertTrue(vertices.contains(convertToVertex(this.sqlgGraph, "peter")));
Assert.assertTrue(vertices.contains(convertToVertex(this.sqlgGraph, "lop")));
Assert.assertTrue(vertices.contains(convertToVertex(this.sqlgGraph, "ripple")));
}
@Test
public void testRepeatAndOut() {
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();
DefaultGraphTraversal traversal = (DefaultGraphTraversal) this.sqlgGraph.traversal()
.V().repeat(__.both()).times(1).out();
Assert.assertEquals(3, traversal.getSteps().size());
List vertices = traversal.toList();
Assert.assertEquals(1, traversal.getSteps().size());
Assert.assertEquals(1, vertices.size());
Assert.assertEquals(b1, vertices.get(0));
}
@Test
public void testRepeatBoth2() {
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();
DefaultGraphTraversal traversal = (DefaultGraphTraversal) this.sqlgGraph.traversal()
.V(b1).repeat(__.both()).times(3);
Assert.assertEquals(2, traversal.getSteps().size());
List vertices = traversal.toList();
Assert.assertEquals(1, traversal.getSteps().size());
Assert.assertEquals(4, vertices.size());
}
@Test
public void testRepeatBothE() {
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();
DefaultGraphTraversal traversal = (DefaultGraphTraversal) this.sqlgGraph.traversal()
.V(b1).repeat(__.bothE().otherV()).times(3);
Assert.assertEquals(2, traversal.getSteps().size());
List vertices = traversal.toList();
Assert.assertEquals(1, traversal.getSteps().size());
Assert.assertEquals(4, vertices.size());
}
@Test
public void testRepeatBothEWithAggregate() {
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");
Edge e1 = a1.addEdge("ab", b1);
Edge e2 = b1.addEdge("bc", c1);
this.sqlgGraph.tx().commit();
DefaultGraphTraversal traversal = (DefaultGraphTraversal) this.sqlgGraph.traversal()
.V(b1).repeat(__.bothE().where(P.without("e")).aggregate("e").otherV()).emit().path();
Assert.assertEquals(3, traversal.getSteps().size());
List paths = traversal.toList();
Assert.assertEquals(3, traversal.getSteps().size());
Assert.assertEquals(2, paths.size());
Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(b1) && p.get(1).equals(e1) && p.get(2).equals(a1)));
paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(b1) && p.get(1).equals(e1) && p.get(2).equals(a1)).findAny().get());
Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(b1) && p.get(1).equals(e2) && p.get(2).equals(c1)));
paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(b1) && p.get(1).equals(e2) && p.get(2).equals(c1)).findAny().get());
Assert.assertTrue(paths.isEmpty());
}
}
