@Test
public void shouldBeAbleToTraverseEverything() {
long startNode = createBasicTraversableGraph();
List<Object> hits =
serialize(
actions.traverse(
startNode,
MapUtil.map(
"return_filter",
MapUtil.map("language", "javascript", "body", "true;"),
"max_depth",
10),
TraverserReturnType.node));
assertEquals(6, hits.size());
hits =
serialize(
actions.traverse(
startNode,
MapUtil.map(
"return_filter",
MapUtil.map("language", "builtin", "name", "all"),
"max_depth",
10),
TraverserReturnType.node));
assertEquals(6, hits.size());
}
@Test
public void shouldBeAbleToTraverseWithMaxDepthAndPruneEvaluatorCombined() {
long startNode = createBasicTraversableGraph();
List<Object> hits =
serialize(
actions.traverse(
startNode,
MapUtil.map(
"max_depth",
2,
"prune_evaluator",
MapUtil.map(
"language",
"javascript",
"body",
"position.endNode().getProperty('name').equals('Emil')")),
TraverserReturnType.node));
assertEquals(3, hits.size());
hits =
serialize(
actions.traverse(
startNode,
MapUtil.map(
"max_depth",
1,
"prune_evaluator",
MapUtil.map(
"language",
"javascript",
"body",
"position.endNode().getProperty('name').equals('Emil')")),
TraverserReturnType.node));
assertEquals(2, hits.size());
}
@Test
public void shouldBeAbleToGetPathsUsingDijkstra() throws Exception {
long[] nodes = createDijkstraGraph(true);
// /paths
List<Object> result =
serialize(
actions.findPaths(
nodes[0],
nodes[1],
map(
"algorithm",
"dijkstra",
"cost_property",
"cost",
"relationships",
map("type", "to", "direction", "out"))));
assertPaths(1, nodes, 6, result);
// /path
Map<String, Object> path =
serialize(
actions.findSinglePath(
nodes[0],
nodes[1],
map(
"algorithm",
"dijkstra",
"cost_property",
"cost",
"relationships",
map("type", "to", "direction", "out"))));
assertPaths(1, nodes, 6, Arrays.<Object>asList(path));
assertEquals(6.0d, path.get("weight"));
}
@Test
public void shouldBeAbleToIndexNode() {
String key = "mykey";
String value = "myvalue";
long nodeId = graphdbHelper.createNode();
String indexName = "node";
actions.createNodeIndex(MapUtil.map("name", indexName));
assertFalse(serialize(actions.getIndexedNodes(indexName, key, value)).iterator().hasNext());
actions.addToNodeIndex(indexName, key, value, nodeId);
assertEquals(Arrays.asList(nodeId), graphdbHelper.getIndexedNodes(indexName, key, value));
}
@Test
public void settingAnEmptyArrayShouldWorkIfOriginalEntityHasAnEmptyArrayAsWell()
throws Exception {
// Given
long nodeId = createNode(map("emptyArray", new int[] {}));
// When
actions.setNodeProperty(nodeId, "emptyArray", new ArrayList<Object>());
// Then
Representation val = actions.getNodeProperty(nodeId, "emptyArray");
System.out.println(val);
}
@Test
public void shouldBeAbleToGetShortestPaths() throws Exception {
long[] nodes = createMoreComplexGraph();
// /paths
List<Object> result =
serialize(
actions.findPaths(
nodes[0],
nodes[1],
MapUtil.map(
"max_depth",
2,
"algorithm",
"shortestPath",
"relationships",
MapUtil.map("type", "to", "direction", "out"))));
assertPaths(2, nodes, 2, result);
// /path
Map<String, Object> path =
serialize(
actions.findSinglePath(
nodes[0],
nodes[1],
MapUtil.map(
"max_depth",
2,
"algorithm",
"shortestPath",
"relationships",
MapUtil.map("type", "to", "direction", "out"))));
assertPaths(1, nodes, 2, Arrays.<Object>asList(path));
// /path {single: false} (has no effect)
path =
serialize(
actions.findSinglePath(
nodes[0],
nodes[1],
MapUtil.map(
"max_depth",
2,
"algorithm",
"shortestPath",
"relationships",
MapUtil.map("type", "to", "direction", "out"),
"single",
false)));
assertPaths(1, nodes, 2, Arrays.<Object>asList(path));
}
@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 shouldBeAbleToGetPropertyOnNode() throws Exception {
String key = "foo";
Object value = "bar";
long nodeId = createNode(Collections.singletonMap(key, value));
assertEquals(value, serialize(actions.getNodeProperty(nodeId, key)));
}
@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();
}
}
@Test(expected = NoSuchPropertyException.class)
public void shouldReturnFalseIfNodePropertyNotRemoved() throws Exception {
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("number", 15);
long nodeId = createNode(properties);
actions.removeNodeProperty(nodeId, "baz");
}
@Test
public void shouldReturnTrueIfNodePropertyRemoved() throws Exception {
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("number", 15);
long nodeId = createNode(properties);
actions.removeNodeProperty(nodeId, "foo");
}
@Test
public void shouldNotCreateRelationshipBetweenNonExistentNodes() throws Exception {
long nodeId = graphdbHelper.createNode();
Map<String, Object> properties = Collections.<String, Object>emptyMap();
try {
actions.createRelationship(nodeId, nodeId * 1000, "Loves", properties);
fail();
} catch (EndNodeNotFoundException e) {
// ok
}
try {
actions.createRelationship(nodeId * 1000, nodeId, "Loves", properties);
fail();
} catch (StartNodeNotFoundException e) {
// ok
}
}
@Test
public void shouldBeAbleToSetPropertyOnNode() throws Exception {
long nodeId = createNode(Collections.<String, Object>emptyMap());
String key = "foo";
Object value = "bar";
actions.setNodeProperty(nodeId, key, value);
assertEquals(Collections.singletonMap(key, value), graphdbHelper.getNodeProperties(nodeId));
}
@Test
public void shouldBeAbleToTraverseWithDefaultParameters() {
long startNode = createBasicTraversableGraph();
List<Object> hits =
serialize(
actions.traverse(startNode, new HashMap<String, Object>(), TraverserReturnType.node));
assertEquals(2, hits.size());
}
@Test
public void shouldBeAbleToTraverseDepthTwo() {
long startNode = createBasicTraversableGraph();
List<Object> hits =
serialize(
actions.traverse(startNode, MapUtil.map("max_depth", 2), TraverserReturnType.node));
assertEquals(3, hits.size());
}
@Test
public void shouldAllowCreateRelationshipWithSameStartAsEndNode() throws Exception {
long nodeId = graphdbHelper.createNode();
Map<String, Object> properties = Collections.<String, Object>emptyMap();
RelationshipRepresentation rel =
actions.createRelationship(nodeId, nodeId, "Loves", properties);
assertNotNull(rel);
}
@Test
public void shouldNotGetAnyRelationshipsWhenRetrievingFromNodeWithoutRelationships()
throws Exception {
long nodeId = graphdbHelper.createNode();
verifyRelReps(
0,
actions.getNodeRelationships(
nodeId, RelationshipDirection.all, Collections.<String>emptyList()));
verifyRelReps(
0,
actions.getNodeRelationships(
nodeId, RelationshipDirection.in, Collections.<String>emptyList()));
verifyRelReps(
0,
actions.getNodeRelationships(
nodeId, RelationshipDirection.out, Collections.<String>emptyList()));
}
@Test
public void shouldBeAbleToSetRelationshipProperties() throws Exception {
long relationshipId = graphdbHelper.createRelationship("KNOWS");
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("number", 10);
actions.setAllRelationshipProperties(relationshipId, properties);
assertEquals(properties, graphdbHelper.getRelationshipProperties(relationshipId));
}
@Test
public void shouldBeAbleToRemoveNodeFromIndex() {
String key = "mykey2";
String value = "myvalue";
String value2 = "myvalue2";
String indexName = "node";
long nodeId = graphdbHelper.createNode();
actions.addToNodeIndex(indexName, key, value, nodeId);
actions.addToNodeIndex(indexName, key, value2, nodeId);
assertEquals(1, graphdbHelper.getIndexedNodes(indexName, key, value).size());
assertEquals(1, graphdbHelper.getIndexedNodes(indexName, key, value2).size());
actions.removeFromNodeIndex(indexName, key, value, nodeId);
assertEquals(0, graphdbHelper.getIndexedNodes(indexName, key, value).size());
assertEquals(1, graphdbHelper.getIndexedNodes(indexName, key, value2).size());
actions.removeFromNodeIndex(indexName, key, value2, nodeId);
assertEquals(0, graphdbHelper.getIndexedNodes(indexName, key, value).size());
assertEquals(0, graphdbHelper.getIndexedNodes(indexName, key, value2).size());
}
@Test
public void shouldStoreRelationshipsBetweenTwoExistingNodes() throws Exception {
int relationshipCount = graphdbHelper.getNumberOfRelationships();
actions.createRelationship(
graphdbHelper.createNode(),
graphdbHelper.createNode(),
"LOVES",
Collections.<String, Object>emptyMap());
assertEquals(relationshipCount + 1, graphdbHelper.getNumberOfRelationships());
}
@Test
public void shouldBeAbleToSetRelationshipProperty() throws Exception {
long relationshipId = graphdbHelper.createRelationship("KNOWS");
String key = "foo";
Object value = "bar";
actions.setRelationshipProperty(relationshipId, key, value);
assertEquals(
Collections.singletonMap(key, value),
graphdbHelper.getRelationshipProperties(relationshipId));
}
@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();
}
}
@Test
public void shouldBeAbleToGetRelationshipsIfSpecified() {
long startNode = createBasicTraversableGraph();
ListRepresentation traverse =
actions.traverse(
startNode, new HashMap<String, Object>(), TraverserReturnType.relationship);
List<Object> hits = serialize(traverse);
for (Object hit : hits) {
RelationshipRepresentationTest.verifySerialisation((Map<String, Object>) hit);
}
}
@Test
public void shouldBeAbleToDeleteARelationship() throws Exception {
long relationshipId = graphdbHelper.createRelationship("LOVES");
actions.deleteRelationship(relationshipId);
try {
graphdbHelper.getRelationship(relationshipId);
fail();
} catch (NotFoundException e) {
}
}
@Test
public void shouldRemoveRelationshipProperty() throws Exception {
long relId = graphdbHelper.createRelationship("PAIR-PROGRAMS_WITH");
Map<String, Object> map = new HashMap<String, Object>();
map.put("foo", "bar");
map.put("baz", 22);
graphdbHelper.setRelationshipProperties(relId, map);
actions.removeRelationshipProperty(relId, "foo");
assertEquals(1, graphdbHelper.getRelationshipProperties(relId).size());
}
@Test(expected = PropertyValueException.class)
public void shouldFailOnTryingToStoreMixedArraysAsAProperty() throws Exception {
long nodeId = graphdbHelper.createNode();
Map<String, Object> properties = new HashMap<String, Object>();
Object[] dodgyArray = new Object[3];
dodgyArray[0] = 0;
dodgyArray[1] = 1;
dodgyArray[2] = "two";
properties.put("foo", dodgyArray);
actions.setAllNodeProperties(nodeId, properties);
}
@Test
public void shouldBeAbleToFulltextIndex() {
String key = "key";
String value = "the value with spaces";
long nodeId = graphdbHelper.createNode();
String indexName = "fulltext-node";
graphdbHelper.createNodeFullTextIndex(indexName);
assertFalse(serialize(actions.getIndexedNodes(indexName, key, value)).iterator().hasNext());
actions.addToNodeIndex(indexName, key, value, nodeId);
assertEquals(Arrays.asList(nodeId), graphdbHelper.getIndexedNodes(indexName, key, value));
assertEquals(
Arrays.asList(nodeId),
graphdbHelper.getIndexedNodes(indexName, key, "the value with spaces"));
assertEquals(Arrays.asList(nodeId), graphdbHelper.queryIndexedNodes(indexName, key, "the"));
assertEquals(Arrays.asList(nodeId), graphdbHelper.queryIndexedNodes(indexName, key, "value"));
assertEquals(Arrays.asList(nodeId), graphdbHelper.queryIndexedNodes(indexName, key, "with"));
assertEquals(Arrays.asList(nodeId), graphdbHelper.queryIndexedNodes(indexName, key, "spaces"));
assertEquals(
Arrays.asList(nodeId), graphdbHelper.queryIndexedNodes(indexName, key, "*spaces*"));
assertTrue(graphdbHelper.getIndexedNodes(indexName, key, "nohit").isEmpty());
}
@Test
public void shouldBeAbleToRetrieveASinglePropertyFromARelationship() throws Exception {
Map<String, Object> properties = new HashMap<String, Object>();
properties.put("foo", "bar");
properties.put("neo", "Thomas A. Anderson");
properties.put("number", 15L);
long relationshipId = graphdbHelper.createRelationship("LOVES");
graphdbHelper.setRelationshipProperties(relationshipId, properties);
Object relationshipProperty = serialize(actions.getRelationshipProperty(relationshipId, "foo"));
assertEquals("bar", relationshipProperty);
}
@Test
public void shouldBeAbleToGetPathsIfSpecified() {
long startNode = createBasicTraversableGraph();
List<Object> hits =
serialize(
actions.traverse(startNode, new HashMap<String, Object>(), TraverserReturnType.path));
for (Object hit : hits) {
Map<String, Object> map = (Map<String, Object>) hit;
assertThat(map, hasKey("start"));
assertThat(map, hasKey("end"));
assertThat(map, hasKey("length"));
}
}
@Test
public void shouldGetExtendedNodeRepresentationsWhenGettingFromIndex() {
String key = "mykey3";
String value = "value";
long nodeId = graphdbHelper.createNode();
String indexName = "node";
graphdbHelper.addNodeToIndex(indexName, key, value, nodeId);
int counter = 0;
for (Object rep : serialize(actions.getIndexedNodes(indexName, key, value))) {
Map<String, Object> serialized = (Map<String, Object>) rep;
NodeRepresentationTest.verifySerialisation(serialized);
assertNotNull(serialized.get("indexed"));
counter++;
}
assertEquals(1, counter);
}