@Test
@Transactional
public void shouldCreateRelationshipWithProperty() throws Exception {
Relationship relationship =
neo4jTemplate.createRelationshipBetween(referenceNode, node1, "has", map("name", "rel2"));
assertNotNull(relationship);
assertEquals(referenceNode, relationship.getStartNode());
assertEquals(node1, relationship.getEndNode());
assertEquals(HAS.name(), relationship.getType().name());
assertEquals("rel2", relationship.getProperty("name", "not set"));
}
@Test
public void listing3_9_add_properties_to_relationships() {
usersAndMovies.addPropertiesToRelationships();
try (Transaction tx = graphDb.beginTx()) {
Relationship hasSeen =
usersAndMovies.user1.getSingleRelationship(
MyRelationshipTypes.HAS_SEEN, Direction.OUTGOING);
assertEquals(5, hasSeen.getProperty("stars"));
tx.success();
}
}
@Test
public void testDeleteRelationship() {
Transaction tx = restAPI.beginTx();
Node n1 = restAPI.createNode(map("name", "newnode1"));
Node n2 = restAPI.createNode(map("name", "newnode2"));
Relationship rel = restAPI.createRelationship(n1, n2, Type.TEST, map("name", "rel"));
rel.delete();
tx.success();
tx.finish();
Relationship foundRelationship =
TestHelper.firstRelationshipBetween(
n1.getRelationships(Type.TEST, Direction.OUTGOING), n1, n2);
Assert.assertNull("found relationship", foundRelationship);
}
@Test
public void testCreateRelationshipToNodeOutsideofBatch() throws Exception {
final Node node1 = restAPI.createNode(map());
final Transaction tx = restAPI.beginTx();
Node node2 = restAPI.createNode(map());
final Relationship relationship =
node1.createRelationshipTo(node2, DynamicRelationshipType.withName("foo"));
tx.success();
tx.finish();
assertEquals("foo", relationship.getType().name());
assertEquals(
"foo", getGraphDatabase().getRelationshipById(relationship.getId()).getType().name());
}
@Test
public void shouldGetSynonymsFromSavingSide() {
wordRepository.save(earth);
assertThat("earth's synonyms count", earth.getSynonymsCount(), is(0));
wordRepository.save(globe);
// as earth and globe both are under controll of springdata graph, no need to further call
// earth.save()
earth.synonymWith(globe, "the planet we live");
assertThat("earth's synonyms count", earth.getSynonymsCount(), is(equalTo(1)));
assertThat("earth's synonym contains globe", earth.getSynonyms(), hasItem(globe));
Relationship relationship = earth.getSynonymRelationshipTo(globe);
assertThat("relationship should work properly", relationship.getWord(), is(earth));
assertThat("relationship should work properly", relationship.getAnotherWord(), is(globe));
assertThat(
"relationship should work properly", relationship.getOnEnglish(), is("the planet we live"));
}
@Test
public void shouldGetIdiomFromSavingSide() {
wordRepository.save(earth);
assertThat("earth's idioms count", earth.getIdiomsCount(), is(0));
wordRepository.save(onEarth);
// as earth and sky both are under controll of springdata graph, no need to further call
// earth.save()
earth.idiomWith(onEarth, "added a prefix 'on'");
assertThat("earth's idioms count", earth.getIdiomsCount(), is(equalTo(1)));
assertThat("earth's idioms contains onEarth", earth.getIdioms(), hasItem(onEarth));
Relationship relationship = earth.getIdiomRelationshipTo(onEarth);
assertThat("relationship should work properly", relationship.getWord(), is(earth));
assertThat("relationship should work properly", relationship.getAnotherWord(), is(onEarth));
assertThat(
"relationship should work properly",
relationship.getOnEnglish(),
is("added a prefix 'on'"));
}
@Test
public void shouldGetExtensionFromSavingSide() {
wordRepository.save(earth);
assertThat("earth's extensions count", earth.getExtensionsCount(), is(0));
wordRepository.save(sky);
// as earth and sky both are under controll of springdata graph, no need to further call
// earth.save()
earth.extendWith(sky, "earth and sky just intuitive");
assertThat("earth's extensions count", earth.getExtensionsCount(), is(equalTo(1)));
assertThat("earth's extensions contains sky", earth.getExtensions(), hasItem(sky));
Relationship relationship = earth.getExtensionRelationshipTo(sky);
assertThat("relationship should work properly", relationship.getWord(), is(earth));
assertThat("relationship should work properly", relationship.getAnotherWord(), is(sky));
assertThat(
"relationship should work properly",
relationship.getOnEnglish(),
is("earth and sky just intuitive"));
}
@Test
public void shouldGetAntonymFromSavingSide() {
wordRepository.save(happy);
assertThat("happy's antonym count", happy.getAntonymsCount(), is(0));
wordRepository.save(sad);
// as earth and sky both are under controll of springdata graph, no need to further call
// earth.save()
happy.antonymWith(sad, "feel good vs feel bad");
assertThat("happy's antonym count", happy.getAntonymsCount(), is(equalTo(1)));
assertThat("happy's antonym contains sad", happy.getAntonyms(), hasItem(sad));
Relationship relationship = happy.getAntonymRelationshipTo(sad);
assertThat("relationship should work properly", relationship.getWord(), is(happy));
assertThat("relationship should work properly", relationship.getAnotherWord(), is(sad));
assertThat(
"relationship should work properly",
relationship.getOnEnglish(),
is("feel good vs feel bad"));
Set<Relationship> relationships = happy.getRelationshipsTo(sad);
assertThat(relationships.size(), is(1));
assertThat(relationships, hasItem(relationship));
}
@Test
public void checkAddingRelationship() {
rManager.removeAll();
cManager.removeAll();
iManager.removeAll();
Cake cake = new Cake(CAKE_NAME, CAKE_PRICE, CAKE_WEIGHT);
cManager.addCake(cake);
cake = cManager.getAll().get(0);
Ingredient ing = new Ingredient(ING_NAMES.get(0), ING_KINDS.get(0));
iManager.addIngredient(ing);
ing = iManager.getAll().get(0);
rManager.addRelationship(cake, ing);
List<Relationship> relations = rManager.getAll();
Relationship r = relations.get(0);
assertEquals(CAKE_NAME, cManager.getOne(r.getCakeId()).getName());
assertEquals(ING_NAMES.get(0), iManager.getOne(r.getIngredientId()).getName());
}
@Override
public String convert(Relationship value, Class<String> type) {
return (String) value.getProperty("name");
}
@Test
@Transactional
public void testGetRelationship() throws Exception {
Relationship lookedUpRelationship = neo4jTemplate.getRelationship(relationship1.getId());
assertThat(lookedUpRelationship, is(relationship1));
}