On Tue, Nov 29, 2011 at 7:20 PM, Linan Wang <tali.w...@gmail.com> wrote:
> Why call tx.failure in close db? > To assure a pristine DB between unit tests, as suggested here: http://wiki.neo4j.org/content/Testing_with_Neo4j I don't think this is the cause of my problem as the exception gets thrown before the call to roll back the TX. > > On Wednesday, November 30, 2011, Jon Walton <jon.w.wal...@gmail.com> > wrote: > > Greetings - I have started my first project using neo4j, and am having > some > > trouble with unit tests. I must be missing something, but when I > retrieve > > a node using an incoming direction, I am unable to get properties from > that > > node. The first test works fine, the second one fails with a > > NotFoundException on the property "asn". (although it does find the > > end-node with no trouble) Can anyone point out what I am doing wrong? > > > > Thanks, > > > > Jon > > > > /** > > * $Id$ > > */ > > package com.mcafee.tsw.webgraph; > > > > import org.junit.After; > > import org.junit.Before; > > import org.junit.Test; > > import org.neo4j.graphdb.Direction; > > import org.neo4j.graphdb.GraphDatabaseService; > > import org.neo4j.graphdb.Node; > > import org.neo4j.graphdb.RelationshipType; > > import org.neo4j.graphdb.Transaction; > > import org.neo4j.test.ImpermanentGraphDatabase; > > > > /** > > */ > > public class TestMe { > > > > private GraphDatabaseService svc; > > private Transaction tx; > > > > /** > > * @throws java.lang.Exception > > */ > > @Before > > public void initDB() throws Exception { > > svc = new ImpermanentGraphDatabase(); > > tx = svc.beginTx(); > > } > > > > /** > > * @throws java.lang.Exception > > */ > > @After > > public void closeDB() throws Exception { > > tx.failure(); > > tx.finish(); > > svc.shutdown(); > > svc = null; > > } > > > > // This one works. > > @Test > > public void testOutgoing() { > > > > Node network = svc.createNode(); > > Node as = svc.createNode(); > > > > as.setProperty("asn", "123"); > > network.createRelationshipTo(as, IPAddressRelationshipType.AS); > > > > > > > > System.out.println(network.getSingleRelationship(IPAddressRelationshipType.AS, > > Direction.OUTGOING) > > .getEndNode().getProperty("asn")); > > > > } > > > > // This one results in a not found exception on the 'asn' property. > > @Test > > public void testIncoming() { > > > > Node network = svc.createNode(); > > Node as = svc.createNode(); > > as.setProperty("asn", "123"); > > > > as.createRelationshipTo(network, IPAddressRelationshipType.AS); > > > > > > > > System.out.println(network.getSingleRelationship(IPAddressRelationshipType.AS, > > Direction.INCOMING) > > .getEndNode().getProperty("asn")); > > > > } > > > > } > > _______________________________________________ > > Neo4j mailing list > > User@lists.neo4j.org > > https://lists.neo4j.org/mailman/listinfo/user > > > > -- > Best wishes, > > Linan Wang > Architect, Programmer, PhD > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
