@Test
public void testPurgeRelationships() throws Exception {
String p, o;
int relNum =
0; // used to form unique relationships or objects/object literals... addRelationship needs
// unique predicate x object combinations
for (String s : subject) {
p = "urn:p" + relNum++;
o = "urn:o";
purgeRelationship(s, p, o, false, null);
p = "urn:title" + relNum;
o = "asdf"; // "三国演义"; // test unicode
purgeRelationship(s, p, o, true, null);
p = "urn:temperature" + relNum;
o = "98.6";
purgeRelationship(s, p, o, true, Constants.RDF_XSD.FLOAT.uri);
// utf-8 literal with multibyte sequences
p = "urn:utf8literal" + relNum;
o = MULTIBYTE_UTF8;
purgeRelationship(s, p, o, true, null);
assertFalse(
"Purging non-existant relation should have failed",
apim.purgeRelationship(s, "urn:asdf", "867-5309", true, null));
addRelationship(s, p, o, true, null);
addRelationship(s, p, "foo", true, null);
List<RelationshipTuple> tuples = apim.getRelationships(s, p);
assertNotNull(tuples);
assertEquals(2, tuples.size());
assertTrue(
"Purging relationship with null object should delete all subject/predicate matches",
apim.purgeRelationship(s, p, null, true, null));
tuples = apim.getRelationships(s, p);
assertNotNull(tuples);
assertEquals(0, tuples.size());
}
}
private void getRelationship(
String subject, String predicate, String object, boolean isLiteral, String datatype)
throws Exception {
addRelationship(subject, predicate, object, isLiteral, datatype);
List<RelationshipTuple> tuples = apim.getRelationships(subject, predicate);
assertNotNull(tuples);
assertEquals(1, tuples.size());
assertEquals(subjectAsURI(subject), tuples.get(0).getSubject());
assertEquals(predicate, tuples.get(0).getPredicate());
assertEquals(object, tuples.get(0).getObject());
assertEquals(isLiteral, tuples.get(0).isIsLiteral());
assertEquals(datatype, tuples.get(0).getDatatype());
}
private void checkExistsViaGetRelationships(String subject, String predicate, String object)
throws Exception {
boolean found = false;
for (RelationshipTuple tuple : apim.getRelationships(subject, predicate)) {
if (tuple.getSubject().equals(subjectAsURI(subject))
&& tuple.getPredicate().equals(predicate)
&& tuple.getObject().equals(object)) {
found = true;
}
}
assertTrue(
"Relationship not found via getRelationships (subject="
+ subject
+ ", predicate="
+ predicate
+ ", object="
+ object,
found);
}
@Test
public void testGetAllRelationships() throws Exception {
// subject uri and pid
List<RelationshipTuple> tuples = apim.getRelationships("demo:777", null);
assertEquals(1, tuples.size());
}