Coverage Summary for Class: TestSample (org.umlg.sqlg.test.sample)

 package org.umlg.sqlg.test.sample;
 
 import org.apache.tinkerpop.gremlin.process.traversal.Scope;
 import org.apache.tinkerpop.gremlin.process.traversal.Traversal;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
 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.Collection;
 import java.util.Map;
 
 /**
  * @author <a href="https://github.com/pietermartin">Pieter Martin</a>
  * Date: 2017/05/02
  */
 public class TestSample extends BaseTest {
 
     @Test
     public void g_V_group_byXlabelX_byXbothE_weight_fold_sampleXlocal_5XX() {
         loadModern();
         Traversal<Vertex, Map<Object, Object>> traversal = this.sqlgGraph.traversal().V(new Object[0])
                 .group().by(T.label).by(__.bothE(new String[0]).values(new String[]{"weight"})
                         .fold().sample(Scope.local, 5));
         Assert.assertTrue(traversal.hasNext());
         Map<String, Collection<Double>> map = (Map) traversal.next();
         Assert.assertFalse(traversal.hasNext());
         Assert.assertEquals(2L, (long) map.size());
         Assert.assertEquals(4L, (long) ((Collection) map.get("software")).size());
         Assert.assertEquals(5L, (long) ((Collection) map.get("person")).size());
     }
 
     @Test
     public void g_V_localXoutE_sampleX1X_byXweightXX() {
         loadModern();
         final Traversal<Vertex, Edge> traversal = this.sqlgGraph.traversal()
                 .V()
                 .local(
                         __.outE().sample(1).by("weight")
                 );
         int counter = 0;
         while (traversal.hasNext()) {
             counter++;
             traversal.next();
         }
         Assert.assertEquals(3, counter);
         Assert.assertFalse(traversal.hasNext());
     }
 }