@Test
public void shouldBeAbleToGetPropertiesOnRelationship() throws Exception {
long relationshipId;
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("neo", "Thomas A. Anderson");
properties.put("number", 15L);
Transaction tx = database.getGraph().beginTx();
try {
Node startNode = database.getGraph().createNode();
Node endNode = database.getGraph().createNode();
Relationship relationship =
startNode.createRelationshipTo(endNode, DynamicRelationshipType.withName("knows"));
for (Map.Entry<String, Object> entry : properties.entrySet()) {
relationship.setProperty(entry.getKey(), entry.getValue());
}
relationshipId = relationship.getId();
tx.success();
} finally {
tx.finish();
}
Map<String, Object> readProperties =
serialize(actions.getAllRelationshipProperties(relationshipId));
assertEquals(properties, readProperties);
}
@Test
public void shouldOverwriteExistingProperties()
throws PropertyValueException, NodeNotFoundException {
long nodeId;
Transaction tx = database.getGraph().beginTx();
try {
Node node = database.getGraph().createNode();
node.setProperty("remove me", "trash");
nodeId = node.getId();
tx.success();
} finally {
tx.finish();
}
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("baz", 17);
actions.setAllNodeProperties(nodeId, properties);
tx = database.getGraph().beginTx();
try {
Node node = database.getGraph().getNodeById(nodeId);
assertHasProperties(node, properties);
assertNull(node.getProperty("remove me", null));
} finally {
tx.finish();
}
}
private void addPropertyToReferenceNode() {
Transaction tx = db.getGraph().beginTx();
Node n = db.getGraph().getReferenceNode();
n.setProperty("monkey", "rock!");
tx.success();
tx.finish();
}
public org.neo4j.server.database.RrdDbWrapper createRrdDbAndSampler(
final Database db, JobScheduler scheduler) throws IOException {
NodeManager nodeManager =
db.getGraph().getDependencyResolver().resolveDependency(NodeManager.class);
Sampleable[] primitives = {
new NodeIdsInUseSampleable(nodeManager),
new PropertyCountSampleable(nodeManager),
new RelationshipCountSampleable(nodeManager)
};
Sampleable[] usage = {};
final String rrdPath =
config.getString(RRDB_LOCATION_PROPERTY_KEY, getDefaultRrdFile(db.getGraph()));
final RrdDbWrapper rrdb =
createRrdb(rrdPath, isEphemereal(db.getGraph()), join(primitives, usage));
scheduler.scheduleAtFixedRate(
new RrdJob(new RrdSamplerImpl(rrdb.get(), primitives)),
RRD_THREAD_NAME + "[primitives]",
SECONDS.toMillis(0),
SECONDS.toMillis(3));
return rrdb;
}
@Test
public void createdNodeShouldBeInDatabase() throws Exception {
NodeRepresentation noderep = actions.createNode(Collections.<String, Object>emptyMap());
Transaction tx = database.getGraph().beginTx();
try {
assertNotNull(database.getGraph().getNodeById(noderep.getId()));
} finally {
tx.finish();
}
}
private long createNode(Map<String, Object> properties) {
long nodeId;
Transaction tx = database.getGraph().beginTx();
try {
Node node = database.getGraph().createNode();
for (Map.Entry<String, Object> entry : properties.entrySet()) {
node.setProperty(entry.getKey(), entry.getValue());
}
nodeId = node.getId();
tx.success();
} finally {
tx.finish();
}
return nodeId;
}
@Test
public void shouldRemoveNodeWithNoRelationsFromDBOnDelete()
throws NodeNotFoundException, OperationFailureException {
long nodeId;
Transaction tx = database.getGraph().beginTx();
try {
Node node = database.getGraph().createNode();
nodeId = node.getId();
tx.success();
} finally {
tx.finish();
}
int nodeCount = graphdbHelper.getNumberOfNodes();
actions.deleteNode(nodeId);
assertEquals(nodeCount - 1, graphdbHelper.getNumberOfNodes());
}
@Test
public void shouldBeAbleToRemoveNodeProperties() throws Exception {
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("number", 15);
long nodeId = createNode(properties);
actions.removeAllNodeProperties(nodeId);
Transaction tx = database.getGraph().beginTx();
try {
Node node = database.getGraph().getNodeById(nodeId);
assertEquals(false, node.getPropertyKeys().iterator().hasNext());
tx.success();
} finally {
tx.finish();
}
}
@Test
public void shouldBeAbleToStorePropertiesInAnExistingNode()
throws PropertyValueException, NodeNotFoundException {
long nodeId = graphdbHelper.createNode();
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("baz", 17);
actions.setAllNodeProperties(nodeId, properties);
Transaction tx = database.getGraph().beginTx();
try {
Node node = database.getGraph().getNodeById(nodeId);
assertHasProperties(node, properties);
} finally {
tx.finish();
}
}
private void addNodeIntoGraph() {
Transaction tx = db.getGraph().beginTx();
Node referenceNode = db.getGraph().getReferenceNode();
Node myNewNode = db.getGraph().createNode();
myNewNode.setProperty("id", UUID.randomUUID().toString());
myNewNode.createRelationshipTo(
referenceNode,
new RelationshipType() {
@Override
public String name() {
return "knows_about";
}
});
tx.success();
tx.finish();
}
@Before
public void startDatabase() throws IOException {
graph = (InternalAbstractGraphDatabase) new TestGraphDatabaseFactory().newImpermanentDatabase();
database = new WrappedDatabase(graph);
helper = new GraphDbHelper(database);
output = new EntityOutputFormat(new JsonFormat(), URI.create(BASE_URI), null);
leaseManager = new LeaseManager(new FakeClock());
service =
new RestfulGraphDatabase(
new JsonFormat(), output, new DatabaseActions(leaseManager, true, database.getGraph()));
service = new TransactionWrappingRestfulGraphDatabase(graph, service);
}
private long createListOfNodes(int numberOfNodes) {
Transaction tx = database.getGraph().beginTx();
try {
long zerothNode = helper.createNode(MapUtil.map("name", String.valueOf(0)));
long previousNodeId = zerothNode;
for (int i = 1; i < numberOfNodes; i++) {
long currentNodeId = helper.createNode(MapUtil.map("name", String.valueOf(i)));
database
.getGraph()
.getNodeById(previousNodeId)
.createRelationshipTo(
database.getGraph().getNodeById(currentNodeId),
DynamicRelationshipType.withName("PRECEDES"));
previousNodeId = currentNodeId;
}
tx.success();
return zerothNode;
} finally {
tx.finish();
}
}
@Test
public void shouldBeAbleToGetPropertiesOnNode() throws NodeNotFoundException {
long nodeId;
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("neo", "Thomas A. Anderson");
properties.put("number", 15L);
Transaction tx = database.getGraph().beginTx();
try {
Node node = database.getGraph().createNode();
for (Map.Entry<String, Object> entry : properties.entrySet()) {
node.setProperty(entry.getKey(), entry.getValue());
}
nodeId = node.getId();
tx.success();
} finally {
tx.finish();
}
Map<String, Object> readProperties = serialize(actions.getAllNodeProperties(nodeId));
assertEquals(properties, readProperties);
}
@Test
public void shouldStoreSuppliedPropertiesWhenCreatingRelationship() throws Exception {
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("string", "value");
properties.put("integer", 17);
long relId =
actions
.createRelationship(
graphdbHelper.createNode(), graphdbHelper.createNode(), "LOVES", properties)
.getId();
Transaction tx = database.getGraph().beginTx();
try {
Relationship rel = database.getGraph().getRelationshipById(relId);
for (String key : rel.getPropertyKeys()) {
assertTrue("extra property stored", properties.containsKey(key));
}
for (Map.Entry<String, Object> entry : properties.entrySet()) {
assertEquals(entry.getValue(), rel.getProperty(entry.getKey()));
}
} finally {
tx.finish();
}
}
@Before
public void setUp() throws Exception {
db = new WrappingDatabase(new ImpermanentGraphDatabase());
sampleable = new PropertyCountSampleable(db.getGraph());
}
@After
public void shutdownDatabase() throws Throwable {
db.getGraph().shutdown();
}
@After
public void tearDown() {
db.getGraph().shutdown();
}