JSONLDWriterOldTest.java
/*******************************************************************************
* Copyright (c) 2015 Eclipse RDF4J contributors, Aduna, and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/
package org.eclipse.rdf4j.rio.jsonld;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.Literal;
import org.eclipse.rdf4j.model.Model;
import org.eclipse.rdf4j.model.Statement;
import org.eclipse.rdf4j.model.impl.LinkedHashModel;
import org.eclipse.rdf4j.model.vocabulary.DCTERMS;
import org.eclipse.rdf4j.model.vocabulary.XSD;
import org.eclipse.rdf4j.rio.ParserConfig;
import org.eclipse.rdf4j.rio.RDFFormat;
import org.eclipse.rdf4j.rio.RDFHandlerException;
import org.eclipse.rdf4j.rio.RDFParseException;
import org.eclipse.rdf4j.rio.RDFParser;
import org.eclipse.rdf4j.rio.RDFWriter;
import org.eclipse.rdf4j.rio.RDFWriterTest;
import org.eclipse.rdf4j.rio.Rio;
import org.eclipse.rdf4j.rio.RioSetting;
import org.eclipse.rdf4j.rio.WriterConfig;
import org.eclipse.rdf4j.rio.helpers.BasicParserSettings;
import org.eclipse.rdf4j.rio.helpers.BasicWriterSettings;
import org.eclipse.rdf4j.rio.helpers.JSONLDMode;
import org.eclipse.rdf4j.rio.helpers.JSONLDSettings;
import org.eclipse.rdf4j.rio.helpers.StatementCollector;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import no.hasmac.jsonld.JsonLdError;
import no.hasmac.jsonld.document.Document;
import no.hasmac.jsonld.document.JsonDocument;
/**
* @author Peter Ansell
*
* Tests with the old JSONLDSettings class
*/
public class JSONLDWriterOldTest extends RDFWriterTest {
private final String exNs = "http://example.org/";
public JSONLDWriterOldTest() {
super(new JSONLDWriterFactory(), new JSONLDParserFactory());
}
@Override
protected void setupWriterConfig(WriterConfig config) {
super.setupWriterConfig(config);
config.set(JSONLDSettings.JSONLD_MODE, JSONLDMode.COMPACT);
}
@Override
protected void setupParserConfig(ParserConfig config) {
super.setupParserConfig(config);
config.set(BasicParserSettings.FAIL_ON_UNKNOWN_DATATYPES, true);
config.set(BasicParserSettings.FAIL_ON_UNKNOWN_LANGUAGES, true);
}
@Test
@Override
@Disabled("TODO: Determine why this test is breaking")
public void testIllegalPrefix() throws RDFHandlerException, RDFParseException {
}
@Test
public void testEmptyNamespace() {
IRI uri1 = vf.createIRI(exNs, "uri1");
IRI uri2 = vf.createIRI(exNs, "uri2");
StringWriter w = new StringWriter();
RDFWriter rdfWriter = rdfWriterFactory.getWriter(w);
rdfWriter.getWriterConfig().set(JSONLDSettings.JSONLD_MODE, JSONLDMode.COMPACT);
rdfWriter.startRDF();
rdfWriter.handleNamespace("", exNs);
rdfWriter.handleNamespace(DCTERMS.PREFIX, DCTERMS.NAMESPACE);
rdfWriter.handleStatement(vf.createStatement(uri1, DCTERMS.TITLE, vf.createBNode()));
rdfWriter.handleStatement(vf.createStatement(uri1, uri2, vf.createBNode()));
rdfWriter.endRDF();
assertTrue(w.toString().contains("@vocab"), "Does not contain @vocab");
}
@Test
public void testRoundTripNamespaces() throws Exception {
IRI uri1 = vf.createIRI(exNs, "uri1");
IRI uri2 = vf.createIRI(exNs, "uri2");
Literal plainLit = vf.createLiteral("plain", XSD.STRING);
Statement st1 = vf.createStatement(uri1, uri2, plainLit);
ByteArrayOutputStream out = new ByteArrayOutputStream();
RDFWriter rdfWriter = rdfWriterFactory.getWriter(out);
rdfWriter.getWriterConfig().set(JSONLDSettings.JSONLD_MODE, JSONLDMode.COMPACT);
rdfWriter.startRDF();
rdfWriter.handleNamespace("ex", exNs);
rdfWriter.handleStatement(st1);
rdfWriter.endRDF();
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
RDFParser rdfParser = rdfParserFactory.getParser();
ParserConfig config = new ParserConfig();
config.set(BasicParserSettings.FAIL_ON_UNKNOWN_DATATYPES, true);
config.set(BasicParserSettings.FAIL_ON_UNKNOWN_LANGUAGES, true);
rdfParser.setParserConfig(config);
rdfParser.setValueFactory(vf);
Model model = new LinkedHashModel();
rdfParser.setRDFHandler(new StatementCollector(model));
rdfParser.parse(in, "foo:bar");
assertEquals(1, model.size(), "Unexpected number of statements, found " + model.size());
assertTrue(model.contains(st1), "missing namespaced statement");
if (rdfParser.getRDFFormat().supportsNamespaces()) {
assertTrue(!model.getNamespaces().isEmpty(),
"Expected at least one namespace, found " + model.getNamespaces().size());
assertEquals(exNs, model.getNamespace("ex").get().getName());
}
}
/**
* Test if the JSON-LD writer honors the "native RDF type" setting.
*/
@Test
public void testNativeRDFTypes() {
IRI subject = vf.createIRI(exNs, "uri1");
IRI predicate = vf.createIRI(exNs, "uri2");
Literal object = vf.createLiteral(true);
Statement stmt = vf.createStatement(subject, predicate, object);
StringWriter w = new StringWriter();
RDFWriter rdfWriter = rdfWriterFactory.getWriter(w);
rdfWriter.getWriterConfig().set(JSONLDSettings.JSONLD_MODE, JSONLDMode.COMPACT);
rdfWriter.getWriterConfig().set(JSONLDSettings.COMPACT_ARRAYS, true);
rdfWriter.getWriterConfig().set(JSONLDSettings.USE_NATIVE_TYPES, true);
rdfWriter.startRDF();
rdfWriter.handleStatement(stmt);
rdfWriter.endRDF();
assertTrue(!w.toString().contains("@type"), "Does contain @type");
}
@Test
public void testFraming() throws IOException, JsonLdError {
Model data = Rio.parse(new StringReader("{\n" +
" \"@context\": {\n" +
" \"dc11\": \"http://purl.org/dc/elements/1.1/\",\n" +
" \"ex\": \"http://example.org/vocab#\",\n" +
" \"xsd\": \"http://www.w3.org/2001/XMLSchema#\",\n" +
" \"ex:contains\": {\n" +
" \"@type\": \"@id\"\n" +
" }\n" +
" },\n" +
" \"@graph\": [\n" +
" {\n" +
" \"@id\": \"http://example.org/library\",\n" +
" \"@type\": \"ex:Library\",\n" +
" \"ex:contains\": \"http://example.org/library/the-republic\"\n" +
" },\n" +
" {\n" +
" \"@id\": \"http://example.org/library/the-republic\",\n" +
" \"@type\": \"ex:Book\",\n" +
" \"dc11:creator\": \"Plato\",\n" +
" \"dc11:title\": \"The Republic\",\n" +
" \"ex:contains\": \"http://example.org/library/the-republic#introduction\"\n" +
" },\n" +
" {\n" +
" \"@id\": \"http://example.org/library/the-republic#introduction\",\n" +
" \"@type\": \"ex:Chapter\",\n" +
" \"dc11:description\": \"An introductory chapter on The Republic.\",\n" +
" \"dc11:title\": \"The Introduction\"\n" +
" }\n" +
" ]\n" +
"}"), "", RDFFormat.JSONLD);
Document frame = JsonDocument.of(new StringReader("{\n" +
" \"@context\": {\n" +
" \"dc11\": \"http://purl.org/dc/elements/1.1/\",\n" +
" \"ex\": \"http://example.org/vocab#\"\n" +
" },\n" +
" \"@type\": \"ex:Library\",\n" +
" \"ex:contains\": {\n" +
" \"@type\": \"ex:Book\",\n" +
" \"ex:contains\": {\n" +
" \"@type\": \"ex:Chapter\"\n" +
" }\n" +
" }\n" +
"}"));
StringWriter stringWriter = new StringWriter();
RDFWriter rdfWriter = rdfWriterFactory.getWriter(stringWriter);
rdfWriter.getWriterConfig().set(JSONLDSettings.JSONLD_MODE, JSONLDMode.FRAME);
rdfWriter.getWriterConfig().set(JSONLDSettings.FRAME, frame);
rdfWriter.getWriterConfig().set(BasicWriterSettings.PRETTY_PRINT, true);
rdfWriter.startRDF();
data.forEach(rdfWriter::handleStatement);
rdfWriter.endRDF();
assertEquals(
"{\n" +
" \"@id\": \"http://example.org/library\",\n" +
" \"@type\": \"ex:Library\",\n" +
" \"ex:contains\": {\n" +
" \"@id\": \"http://example.org/library/the-republic\",\n" +
" \"@type\": \"ex:Book\",\n" +
" \"ex:contains\": {\n" +
" \"@id\": \"http://example.org/library/the-republic#introduction\",\n" +
" \"@type\": \"ex:Chapter\",\n" +
" \"dc11:description\": \"An introductory chapter on The Republic.\",\n" +
" \"dc11:title\": \"The Introduction\"\n" +
" },\n" +
" \"dc11:creator\": \"Plato\",\n" +
" \"dc11:title\": \"The Republic\"\n" +
" },\n" +
" \"@context\": {\n" +
" \"dc11\": \"http://purl.org/dc/elements/1.1/\",\n" +
" \"ex\": \"http://example.org/vocab#\"\n" +
" }\n" +
"}",
stringWriter.toString());
}
@Override
protected RioSetting<?>[] getExpectedSupportedSettings() {
return new RioSetting[] {
BasicWriterSettings.BASE_DIRECTIVE,
BasicWriterSettings.PRETTY_PRINT,
org.eclipse.rdf4j.rio.jsonld.JSONLDSettings.COMPACT_ARRAYS,
org.eclipse.rdf4j.rio.jsonld.JSONLDSettings.JSONLD_MODE,
org.eclipse.rdf4j.rio.jsonld.JSONLDSettings.USE_RDF_TYPE,
org.eclipse.rdf4j.rio.jsonld.JSONLDSettings.USE_NATIVE_TYPES,
org.eclipse.rdf4j.rio.jsonld.JSONLDSettings.PRODUCE_GENERALIZED_RDF,
org.eclipse.rdf4j.rio.jsonld.JSONLDSettings.EXCEPTION_ON_WARNING,
org.eclipse.rdf4j.rio.jsonld.JSONLDSettings.FRAME
};
}
}