/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jena.arq.querybuilder;
import static org.junit.Assert.*;
import org.apache.jena.arq.querybuilder.handlers.HandlerBlock;
import org.apache.jena.graph.FrontsNode ;
import org.apache.jena.graph.Node ;
import org.apache.jena.graph.NodeFactory ;
import org.apache.jena.graph.impl.LiteralLabel ;
import org.apache.jena.graph.impl.LiteralLabelFactory ;
import org.apache.jena.reasoner.rulesys.Node_RuleVariable ;
import org.apache.jena.sparql.core.Var ;
import org.apache.jena.sparql.expr.ExprVar ;
import org.apache.jena.vocabulary.RDF ;
import org.junit.Before;
import org.junit.Test;
public class AbstractQueryBuilderTest {
private AbstractQueryBuilder<?> builder;
@Before
public void setup() {
builder = new TestBuilder();
}
private class TestBuilder extends AbstractQueryBuilder<TestBuilder> {
private HandlerBlock handlerBlock;
public TestBuilder()
{
super();
handlerBlock = new HandlerBlock( query );
}
@Override
public String toString() {
return "TestBuilder";
}
@Override
public HandlerBlock getHandlerBlock() {
return handlerBlock;
}
}
private class NodeFront implements FrontsNode {
Node n;
NodeFront(Node n) {
this.n = n;
}
@Override
public Node asNode() {
return n;
}
}
@Test
public void testMakeNode() {
Node n = builder.makeNode(null);
assertEquals(Node.ANY, n);
n = builder.makeNode(RDF.type);
assertEquals(RDF.type.asNode(), n);
Node n2 = NodeFactory.createBlankNode();
n = builder.makeNode(n2);
assertEquals(n2, n);
builder.addPrefix("demo", "http://example.com/");
n = builder.makeNode("demo:type");
assertEquals(NodeFactory.createURI("http://example.com/type"), n);
n = builder.makeNode("<one>");
assertEquals(NodeFactory.createURI("one"), n);
n = builder.makeNode(builder);
LiteralLabel ll = LiteralLabelFactory.createTypedLiteral(builder);
assertEquals(NodeFactory.createLiteral(ll), n);
}
@Test
public void testMakeVar() {
Var v = builder.makeVar(null);
assertEquals(Var.ANON, v);
v = builder.makeVar("a");
assertEquals(Var.alloc("a"), v);
v = builder.makeVar("?a");
assertEquals(Var.alloc("a"), v);
Node n = NodeFactory.createVariable("foo");
v = builder.makeVar(n);
assertEquals(Var.alloc("foo"), v);
NodeFront nf = new NodeFront(n);
v = builder.makeVar(nf);
assertEquals(Var.alloc("foo"), v);
v = builder.makeVar(Node_RuleVariable.WILD);
assertNull(v);
ExprVar ev = new ExprVar("bar");
v = builder.makeVar(ev);
assertEquals(Var.alloc("bar"), v);
ev = new ExprVar(n);
v = builder.makeVar(ev);
assertEquals(Var.alloc("foo"), v);
ev = new ExprVar(Var.ANON);
v = builder.makeVar(ev);
assertEquals(Var.ANON, v);
}
}