more extensive Jena tests
Project: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/commit/6fdc9903 Tree: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/tree/6fdc9903 Diff: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/diff/6fdc9903 Branch: refs/heads/master Commit: 6fdc9903b70fe8c4cacd7c70c6ed012d93a7d8f9 Parents: 13464e2 Author: Stian Soiland-Reyes <st...@apache.org> Authored: Wed Oct 26 12:10:32 2016 +0100 Committer: Stian Soiland-Reyes <st...@apache.org> Committed: Wed Oct 26 12:10:32 2016 +0100 ---------------------------------------------------------------------- .../jena/TestJenaGraphToCommonsRDFGraph.java | 93 +++++++++++++++++--- 1 file changed, 80 insertions(+), 13 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/6fdc9903/jena/src/test/java/org/apache/commons/rdf/jena/TestJenaGraphToCommonsRDFGraph.java ---------------------------------------------------------------------- diff --git a/jena/src/test/java/org/apache/commons/rdf/jena/TestJenaGraphToCommonsRDFGraph.java b/jena/src/test/java/org/apache/commons/rdf/jena/TestJenaGraphToCommonsRDFGraph.java index 13ee7e7..050de4e 100644 --- a/jena/src/test/java/org/apache/commons/rdf/jena/TestJenaGraphToCommonsRDFGraph.java +++ b/jena/src/test/java/org/apache/commons/rdf/jena/TestJenaGraphToCommonsRDFGraph.java @@ -18,14 +18,22 @@ package org.apache.commons.rdf.jena; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.StandardCopyOption; +import org.apache.commons.rdf.api.BlankNode; +import org.apache.commons.rdf.api.BlankNodeOrIRI; import org.apache.commons.rdf.api.Graph ; -import org.apache.commons.rdf.api.RDFTermFactory ; -import org.apache.jena.riot.Lang ; +import org.apache.commons.rdf.api.RDFTerm; +import org.apache.commons.rdf.api.Triple; +import org.apache.commons.rdf.simple.Types; +import org.apache.jena.riot.Lang; import org.apache.jena.riot.RDFDataMgr ; import org.apache.jena.sparql.graph.GraphFactory ; import org.junit.After; @@ -34,7 +42,8 @@ import org.junit.Test; /** Adapt a Jena Graph after parsing data into it */ public class TestJenaGraphToCommonsRDFGraph { - private Path turtleFile; + private static final boolean DEBUG = false; + private Path turtleFile; @Before @@ -55,19 +64,77 @@ public class TestJenaGraphToCommonsRDFGraph { org.apache.jena.graph.Graph jGraph = GraphFactory.createGraphMem() ; RDFDataMgr.read(jGraph, turtleFile.toUri().toString()) ; + JenaFactory factory = new JenaFactory() ; + // "graph" is a CommonsRDF graph - Graph graph = new JenaFactory().fromJena(jGraph) ; + Graph graph = factory.fromJena(jGraph) ; + + + + // The below check expected statements from D.ttl + + JenaIRI p = factory.createIRI("http://example.com/p";); + JenaIRI s = factory.createIRI("http://example.com/s";); + JenaLiteral literal123 = factory.createLiteral("123", Types.XSD_INTEGER); + assertTrue(graph.contains(s, p, literal123)); + + JenaIRI p1 = factory.createIRI("http://example.com/p1";); + // Let's look up the BlankNode + BlankNodeOrIRI bnode1 = graph.stream(null, p1, null) + .findFirst().map(Triple::getSubject).get(); + assertTrue(bnode1 instanceof BlankNode); + + // Verify we can use BlankNode in query again + RDFTerm obj = graph.stream(bnode1, p1, null).findFirst().map(Triple::getObject).get(); + + // Let's look up also that nested blank node + assertTrue(obj instanceof BlankNode); + BlankNode bnode2 = (BlankNode)obj; + + + JenaIRI q = factory.createIRI("http://example.com/q";); + JenaLiteral literalR = factory.createLiteral("r", "en"); + assertTrue(graph.contains(bnode2, q, literalR)); + + + // Can we add the same triple again as s/p/o + // without affecting graph size? + // Just to be evil we add a blanknode-iri-blanknode statement + assertEquals(3, graph.size()); + graph.add(bnode1, p1, bnode2); + assertEquals(3, graph.size()); + + // Add the same Triple again + graph.stream(bnode2,null,null).findFirst().ifPresent(graph::add); + assertEquals(3, graph.size()); + + // Add to CommonsRDF Graph - RDFTermFactory rft = new JenaFactory() ; - graph.add(rft.createIRI("http://example/s2";), - rft.createIRI("http://example/p2";), - rft.createLiteral("foo")) ; -// System.out.println("==== Write CommonsRDF graph\n") ; -// graph.stream().forEach(System.out::println) ; -// System.out.println("\n==== Write Jena graph directly\n") ; - // And its in the Jena graph - RDFDataMgr.write(System.out, jGraph, Lang.TTL) ; + JenaIRI s2 = factory.createIRI("http://example/s2";); + JenaIRI p2 = factory.createIRI("http://example/p2";); + JenaLiteral foo = factory.createLiteral("foo"); + graph.add(s2, + p2, + foo) ; + assertEquals(4, graph.size()); + assertTrue(graph.contains(s2,p2,foo)); + + // Verify the corresponding Jena Nodes are in Jena graph + assertTrue(jGraph.contains(s2.asJenaNode(), p2.asJenaNode(), foo.asJenaNode())); + + if (DEBUG) { + System.out.println("==== Write CommonsRDF graph\n") ; + graph.stream().forEach(System.out::println) ; + // And its in the Jena graph + System.out.println("\n==== Write Jena graph directly\n") ; + RDFDataMgr.write(System.out, jGraph, Lang.TTL) ; + } + + // Can stream modify the jGraph? Let's try to remove.. + assertFalse(jGraph.isEmpty()); + graph.stream().forEach(graph::remove); + assertTrue(jGraph.isEmpty()); } }
