diff --git a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/dump/DumpJobTest.java b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/dump/DumpJobTest.java
index 271ae8fc1f..4d000e08c3 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/dump/DumpJobTest.java
+++ b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/dump/DumpJobTest.java
@@ -13,6 +13,7 @@ import org.apache.spark.api.java.JavaRDD;
 import org.apache.spark.api.java.JavaSparkContext;
 import org.apache.spark.api.java.function.ForeachFunction;
 import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.Row;
 import org.apache.spark.sql.SparkSession;
 import org.junit.jupiter.api.*;
 import org.slf4j.Logger;
@@ -408,4 +409,57 @@ public class DumpJobTest {
 
 	}
 
+	@Test
+	public void testArticlePCA() {
+		final String sourcePath = getClass()
+			.getResource("/eu/dnetlib/dhp/oa/graph/dump/resultDump/publication_pca")
+			.getPath();
+
+		final String communityMapPath = getClass()
+			.getResource("/eu/dnetlib/dhp/oa/graph/dump/communityMapPath/communitymap.json")
+			.getPath();
+
+		DumpProducts dump = new DumpProducts();
+		dump
+			.run(
+				// false, sourcePath, workingDir.toString() + "/result", communityMapPath, Publication.class,
+				false, sourcePath, workingDir.toString() + "/result", communityMapPath, Publication.class,
+				GraphResult.class, Constants.DUMPTYPE.COMPLETE.getType());
+
+		final JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
+
+		JavaRDD<GraphResult> tmp = sc
+			.textFile(workingDir.toString() + "/result")
+			.map(item -> OBJECT_MAPPER.readValue(item, GraphResult.class));
+
+		org.apache.spark.sql.Dataset<GraphResult> verificationDataset = spark
+			.createDataset(tmp.rdd(), Encoders.bean(GraphResult.class));
+
+		Assertions.assertEquals(23, verificationDataset.count());
+		//verificationDataset.show(false);
+
+		Assertions.assertEquals(23, verificationDataset.filter("type = 'publication'").count());
+
+		verificationDataset.createOrReplaceTempView("check");
+
+		org.apache.spark.sql.Dataset<Row> temp = spark.sql("select id " +
+				"from check " +
+				"lateral view explode (instance) i as inst " +
+				"where inst.articleprocessingcharge is not null");
+
+		Assertions.assertTrue(temp.count() == 2);
+
+		Assertions.assertTrue(temp.filter("id = '50|datacite____::05c611fdfc93d7a2a703d1324e28104a'").count() == 1);
+
+		Assertions.assertTrue(temp.filter("id = '50|dedup_wf_001::01e6a28565ca01376b7548e530c6f6e8'").count() == 1);
+
+
+
+//		verificationDataset.filter("bestAccessright.code = 'c_abf2'").count() == verificationDataset
+//				.filter("bestAccessright.code = 'c_abf2' and bestAccessright.label = 'OPEN'")
+//				.count()
+
+//TODO verify value and name of the fields for vocab related value (i.e. accessright, bestaccessright)
+	}
+
 }