Examples with Graph org.apache.jena.graph.Graph used on opensource projects

Example 26 with Graph

use of org.apache.jena.graph.Graph in project jena by apache.

the class UnionTest method testUnion.

@ContractTest
public void testUnion() {
    Graph g1 = graphWith("x R y; p R q");
    Graph g2 = graphWith("r Foo s; x R y");
    Union u = new Union(g1, g2);
    assertContains("Union", "x R y", u);
    assertContains("Union", "p R q", u);
    assertContains("Union", "r Foo s", u);
    if (u.size() != 3)
        fail("oops: size of union is not 3");
    u.add(triple("cats eat cheese"));
    assertContains("Union", "cats eat cheese", u);
    if (contains(g1, "cats eat cheese") == false && contains(g2, "cats eat cheese") == false)
        fail("oops: neither g1 nor g2 contains `cats eat cheese`");
}

Example 27 with Graph

use of org.apache.jena.graph.Graph in project jena by apache.

the class GraphEventManagerContractTest method testDeleteGraph.

/**
	 * Test that deleting a graph is reported as deleting a graph.
	 */
@ContractTest
public void testDeleteGraph() {
    gem.register(L);
    Graph other = Mockito.mock(Graph.class);
    gem.notifyDeleteGraph(mockGraph, other);
    L.assertHas(new Object[] { "deleteGraph", mockGraph, other });
}

Example 28 with Graph

use of org.apache.jena.graph.Graph in project jena by apache.

the class GraphMakerContractTest method testCanOpenUncreated.

/**
	 * Test that we *can* open a graph that hasn't been created
	 */
@ContractTest
public void testCanOpenUncreated() {
    String name = jName("willBeCreated");
    Graph g1 = graphMaker.openGraph(name);
    g1.close();
    graphMaker.openGraph(name, true);
}

Example 29 with Graph

use of org.apache.jena.graph.Graph in project jena by apache.

the class TestReasoners method testTransitiveRebind.

/**
     * Test rebind operation for the transitive reasoner
     */
public void testTransitiveRebind() {
    Graph data = Factory.createGraphMem();
    Node C1 = NodeFactory.createURI("C1");
    Node C2 = NodeFactory.createURI("C2");
    Node C3 = NodeFactory.createURI("C3");
    Node C4 = NodeFactory.createURI("C4");
    data.add(new Triple(C1, RDFS.subClassOf.asNode(), C2));
    data.add(new Triple(C2, RDFS.subClassOf.asNode(), C3));
    Reasoner reasoner = TransitiveReasonerFactory.theInstance().create(null);
    assertTrue(reasoner.supportsProperty(RDFS.subClassOf));
    assertTrue(!reasoner.supportsProperty(RDFS.domain));
    InfGraph infgraph = reasoner.bind(data);
    TestUtil.assertIteratorValues(this, infgraph.find(C1, null, null), new Object[] { new Triple(C1, RDFS.subClassOf.asNode(), C1), new Triple(C1, RDFS.subClassOf.asNode(), C2), new Triple(C1, RDFS.subClassOf.asNode(), C3) });
    Graph data2 = Factory.createGraphMem();
    data2.add(new Triple(C1, RDFS.subClassOf.asNode(), C2));
    data2.add(new Triple(C2, RDFS.subClassOf.asNode(), C4));
    infgraph.rebind(data2);
    // Incremental additions
    Node a = NodeFactory.createURI("a");
    Node b = NodeFactory.createURI("b");
    Node c = NodeFactory.createURI("c");
    infgraph.add(new Triple(a, RDFS.subClassOf.asNode(), b));
    infgraph.add(new Triple(b, RDFS.subClassOf.asNode(), c));
    TestUtil.assertIteratorValues(this, infgraph.find(b, RDFS.subClassOf.asNode(), null), new Object[] { new Triple(b, RDFS.subClassOf.asNode(), c), new Triple(b, RDFS.subClassOf.asNode(), b) });
    TestUtil.assertIteratorValues(this, infgraph.find(a, RDFS.subClassOf.asNode(), null), new Object[] { new Triple(a, RDFS.subClassOf.asNode(), a), new Triple(a, RDFS.subClassOf.asNode(), b), new Triple(a, RDFS.subClassOf.asNode(), c) });
    Node p = NodeFactory.createURI("p");
    Node q = NodeFactory.createURI("q");
    Node r = NodeFactory.createURI("r");
    infgraph.add(new Triple(p, RDFS.subPropertyOf.asNode(), q));
    infgraph.add(new Triple(q, RDFS.subPropertyOf.asNode(), r));
    TestUtil.assertIteratorValues(this, infgraph.find(q, RDFS.subPropertyOf.asNode(), null), new Object[] { new Triple(q, RDFS.subPropertyOf.asNode(), q), new Triple(q, RDFS.subPropertyOf.asNode(), r) });
    TestUtil.assertIteratorValues(this, infgraph.find(p, RDFS.subPropertyOf.asNode(), null), new Object[] { new Triple(p, RDFS.subPropertyOf.asNode(), p), new Triple(p, RDFS.subPropertyOf.asNode(), q), new Triple(p, RDFS.subPropertyOf.asNode(), r) });
}

Example 30 with Graph

use of org.apache.jena.graph.Graph in project jena by apache.

the class TestReasoners method testRDFSRebind.

/**
     * Test rebind operation for the RDFS reasoner
     */
public void testRDFSRebind() {
    Graph data = Factory.createGraphMem();
    Node C1 = NodeFactory.createURI("C1");
    Node C2 = NodeFactory.createURI("C2");
    Node C3 = NodeFactory.createURI("C3");
    Node C4 = NodeFactory.createURI("C4");
    data.add(new Triple(C1, RDFS.subClassOf.asNode(), C2));
    data.add(new Triple(C2, RDFS.subClassOf.asNode(), C3));
    Reasoner reasoner = RDFSRuleReasonerFactory.theInstance().create(null);
    InfGraph infgraph = reasoner.bind(data);
    TestUtil.assertIteratorValues(this, infgraph.find(C1, RDFS.subClassOf.asNode(), null), new Object[] { new Triple(C1, RDFS.subClassOf.asNode(), C1), new Triple(C1, RDFS.subClassOf.asNode(), C2), new Triple(C1, RDFS.subClassOf.asNode(), C3) });
    Graph data2 = Factory.createGraphMem();
    data2.add(new Triple(C1, RDFS.subClassOf.asNode(), C2));
    data2.add(new Triple(C2, RDFS.subClassOf.asNode(), C4));
    infgraph.rebind(data2);
    TestUtil.assertIteratorValues(this, infgraph.find(C1, RDFS.subClassOf.asNode(), null), new Object[] { new Triple(C1, RDFS.subClassOf.asNode(), C1), new Triple(C1, RDFS.subClassOf.asNode(), C2), new Triple(C1, RDFS.subClassOf.asNode(), C4) });
}