Package org.apache.jena.riot.lang

Source Code of org.apache.jena.riot.lang.TestLangNQuads

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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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*/

package org.apache.jena.riot.lang;

import org.apache.jena.riot.RiotReader ;
import org.apache.jena.riot.ErrorHandlerTestLib.ExFatal ;
import org.apache.jena.riot.lang.LangRIOT ;
import org.apache.jena.riot.lang.StreamRDFCounting ;
import org.apache.jena.riot.system.StreamRDF ;
import org.apache.jena.riot.system.StreamRDFLib ;
import org.apache.jena.riot.tokens.Tokenizer ;
import org.junit.Test ;

import com.hp.hpl.jena.graph.NodeFactory ;
import com.hp.hpl.jena.sparql.core.DatasetGraph ;
import com.hp.hpl.jena.sparql.lib.DatasetLib ;

/** Test of syntax by a quads parser (does not include node validitiy checking) */

public class TestLangNQuads extends TestLangNTuples
{
   
    @Test
    public void quad_1()
    {
        parseCount("<x> <p> <s> <g> .") ;
    }
   
    @Test(expected=ExFatal.class)
    public void quad_2()
    {
        parseCount("<x> <p> <s> <g>") ;        // No trailing DOT
    }
   

    @Test(expected=ExFatal.class)
    public void nq_only_1()
    {
        parseCount("<x> <p> <s> <g> <c> .") ;
    }

    @Test(expected=ExFatal.class)
    public void nq_only_2()
    {
        parseCount("@base <http://example/> . <x> <p> <s> .") ;
    }

   
    @Test
    public void dataset_1()
    {
        // This must parse to <g>
        DatasetGraph dsg = parseToDataset("<x> <p> <s> <g> .") ;
        assertEquals(1,dsg.size()) ;
        assertEquals(1, dsg.getGraph(NodeFactory.createURI("g")).size()) ;
        assertEquals(0, dsg.getDefaultGraph().size()) ;
    }

    @Override
    protected long parseCount(String... strings)
    {
        StreamRDFCounting sink = StreamRDFLib.count() ;
        parse(sink, strings) ;
        return sink.count() ;
    }
   
    private DatasetGraph parseToDataset(String string)
    {
        DatasetGraph dsg = DatasetLib.createDatasetGraphMem() ;
        StreamRDF dest = StreamRDFLib.dataset(dsg) ;
        parse(dest, string) ;
        return dsg ;
    }

    @Override
    protected LangRIOT createParser(Tokenizer tokenizer, StreamRDF sink)
    {
        return RiotReader.createParserNQuads(tokenizer, sink) ;
    }
   
}
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