/*
 * 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.graph.test;

import junit.framework.TestSuite;
import org.apache.jena.graph.* ;
import org.apache.jena.graph.Triple.* ;

public class TestTripleField extends GraphTestBase
    {
    public TestTripleField( String name )
        { super( name ); }
    
    public static TestSuite suite()
        { return new TestSuite( TestTripleField.class ); }
    
    public void testFieldsExistAndAreTyped()
        {
        assertInstanceOf( Triple.Field.class, Triple.Field.fieldSubject );
        assertInstanceOf( Triple.Field.class, Triple.Field.fieldObject );
        assertInstanceOf( Triple.Field.class, Triple.Field.fieldPredicate );        
        }
    
    public void testGetSubject()
        {
        assertEquals( node( "s" ), Field.fieldSubject.getField( triple( "s p o" ) ) );
        }
    
    public void testGetObject()
        {
        assertEquals( node( "o" ), Field.fieldObject.getField( triple( "s p o" ) ) );
        }  
    
    public void testGetPredicate()
        {
        assertEquals( node( "p" ), Field.fieldPredicate.getField( triple( "s p o" ) ) );
        }    
    
    public void testFilterSubject()
        {
        assertTrue( Field.fieldSubject.filterOn( node( "a" ) ).test( triple( "a P b" ) ) );
        assertFalse( Field.fieldSubject.filterOn( node( "x" ) ).test( triple( "a P b" ) ) );
        }    
    
    public void testFilterObject()
        {
        assertTrue( Field.fieldObject.filterOn( node( "b" ) ).test( triple( "a P b" ) ) );
        assertFalse( Field.fieldObject.filterOn( node( "c" ) ).test( triple( "a P b" ) ) );
        }
    
    public void testFilterPredicate()
        {
        assertTrue( Field.fieldPredicate.filterOn( node( "P" ) ).test( triple( "a P b" ) ) );
        assertFalse( Field.fieldPredicate.filterOn( node( "Q" ) ).test( triple( "a P b" ) ) );
        }
    
    public void testFilterByTriple()
        {
        assertTrue( Field.fieldSubject.filterOn( triple( "s P o" ) ).test( triple( "s Q p" ) ) );
        assertFalse( Field.fieldSubject.filterOn( triple( "s P o" ) ).test( triple( "x Q p" ) ) );
        }
    }