/** "dirty" reifications - those with conflicting quadlets - should fail. */
public void testDirtyReification() {
Resource R = model.createResource(aURI);
model.add(R, RDF.type, RDF.Statement);
model.add(R, RDF.subject, S);
model.add(R, RDF.subject, P);
testDoesNotReify("boo", R);
}
/**
* the simplest case: if we assert all the components of a reification quad, we can get a
* ReifiedStatement that represents the reified statement.
*/
public void testBasicReification() {
if (model.getReificationStyle() != ModelFactory.Minimal) {
Resource R = model.createResource(aURI);
model.add(R, RDF.type, RDF.Statement);
model.add(R, RDF.subject, S);
model.add(R, RDF.predicate, P);
model.add(R, RDF.object, O);
RDFNode rs = R.as(ReifiedStatement.class);
assertEquals("can recover statement", SPO, ((ReifiedStatement) rs).getStatement());
}
}
public void testListReifiedSpecificStatements() {
assertEquals("no statements should match st", empty, getSetRS(model, SPO));
/* */
ReifiedStatement rs = model.createReifiedStatement(aURI, SPO);
ReifiedStatement rs2 = model.createReifiedStatement(anotherURI, SPO2);
model.add(rs, P, O);
// assertEquals( "still no matching statement", empty, getSetRS( m, stOther ) );
/* */
Set justRS2 = arrayToSet(new Object[] {rs2});
model.add(rs2, P, O);
assertEquals("now one matching statement", justRS2, getSetRS(model, SPO2));
}
/**
* test that listReifiedStatements produces an iterator that contains the right reified
* statements. We *don't* test that they're not duplicated, because they might be; disallowing
* duplicates could be expensive.
*/
public void testListReifiedStatements() {
assertEquals("initially: no reified statements", empty, getSetRS(model));
ReifiedStatement rs = model.createReifiedStatement(aURI, SPO);
// assertEquals( "still: no reified statements", empty, getSetRS( m ) );
/* */
model.add(rs, P, O);
Set justRS = arrayToSet(new Object[] {rs});
assertEquals("post-add: one reified statement", justRS, getSetRS(model));
model.add(S, P, rs);
assertEquals("post-add: still one reified statement", justRS, getSetRS(model));
/* */
ReifiedStatement rs2 = model.createReifiedStatement(anotherURI, SPO2);
Set bothRS = arrayToSet(new Object[] {rs, rs2});
model.add(rs2, P, O);
assertEquals("post-add: still one reified statement", bothRS, getSetRS(model));
}
public void testStatementListReifiedStatements() {
Statement st = SPO;
Model m = model;
assertEquals(
"it's not there yet", empty, GraphTestBase.iteratorToSet(st.listReifiedStatements()));
ReifiedStatement rs = m.createReifiedStatement(aURI, st);
Set justRS = arrayToSet(new Object[] {rs});
m.add(rs, P, O);
assertEquals("it's here now", justRS, GraphTestBase.iteratorToSet(st.listReifiedStatements()));
}
public void testIsReified() {
ReifiedStatement rs = model.createReifiedStatement(aURI, SPO);
Resource BS = model.createResource(anchor + "BS");
Property BP = model.createProperty(anchor + "BP");
RDFNode BO = model.createProperty(anchor + "BO");
model.add(rs, P, O);
assertTrue("st should be reified now", SPO.isReified());
assertTrue("m should have st reified now", model.isReified(SPO));
assertFalse(
"this new statement should not be reified", model.createStatement(BS, BP, BO).isReified());
}
/**
* walk down the set of statements (represented as an array), recursing with and without each
* statement being present. The mask bits record those statements that are in the model. At the
* bottom of the recursion (n == 0), check that R can be reified exactly when all four quad
* components are present; the other statements don't matter.
*/
private void testCombinations(Model m, Resource R, int mask, Object[][] statements, int n) {
if (n == 0) {
try {
// System.err.println( "| hello. mask = " + mask );
ReifiedStatement rs = (ReifiedStatement) R.as(ReifiedStatement.class);
// System.err.println( "+ we constructed " + rs );
assertTrue(
"should not reify: not all components present [" + mask + "]: " + rs,
(mask & 15) == 15);
// System.err.println( "+ and we passed the assertion." );
} catch (DoesNotReifyException e) { // System.err.println( "+ we exploded" );
assertFalse("should reify: all components present", mask == 15);
}
} else {
int i = n - 1;
Statement s = (Statement) statements[i][0];
int bits = ((Integer) statements[i][1]).intValue();
testCombinations(m, R, mask, statements, i);
m.add(s);
testCombinations(m, R, mask + bits, statements, i);
m.remove(s);
}
}
public void testThisWillBreak() {
Resource R = model.createResource(aURI);
SPO.createReifiedStatement(aURI);
model.add(R, RDF.subject, R);
}