package com.google.refine.tests.rdf.exporters;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import org.json.JSONObject;
import org.openrdf.model.URI;
import org.openrdf.model.ValueFactory;
import org.openrdf.model.vocabulary.RDF;
import org.openrdf.model.vocabulary.RDFS;
import org.openrdf.repository.Repository;
import org.openrdf.repository.RepositoryConnection;
import org.openrdf.repository.sail.SailRepository;
import org.openrdf.repository.util.RepositoryUtil;
import org.openrdf.rio.RDFFormat;
import org.openrdf.sail.memory.MemoryStore;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import com.google.refine.browsing.Engine;
import com.google.refine.expr.ExpressionUtils;
import com.google.refine.grel.ControlFunctionRegistry;
import com.google.refine.model.Project;
import com.google.refine.model.Row;
import com.google.refine.rdf.RdfSchema;
import com.google.refine.rdf.app.ApplicationContext;
import com.google.refine.rdf.exporters.RdfExporter;
import com.google.refine.rdf.expr.RdfBinder;
import com.google.refine.rdf.expr.functions.strings.Urlify;
import com.google.refine.util.ParsingUtilities;
public class RdfExporterMultiRootNodesTest {
Project project;
Engine engine;
RdfExporter exporter;
Repository model;
Repository expected;
RdfSchema schema;
@BeforeClass
public void init()throws Exception{
expected = buildExpectedModel();
ApplicationContext ctxt = new ApplicationContext();
schema = getRdfSchema();
project = RdfExporterFacultyDataTest.buildTheSampleProject(schema);
engine = new Engine(project);
exporter = new RdfExporter(ctxt,RDFFormat.RDFXML);
ControlFunctionRegistry.registerFunction("urlify", new Urlify());
ExpressionUtils.registerBinder(new RdfBinder(ctxt));
model = exporter.buildModel(project, engine, schema);
assertEquals(project.rows.size(),3);
assertEquals(project.columnModel.getColumnIndexByName("Advisor"),5);
Row row = project.rows.get(0);
assertEquals(row.cells.get(5).value,"");
row = project.rows.get(1);
assertEquals(row.cells.get(5).value,"Tim Finin");
row = project.rows.get(2);
assertEquals(row.cells.get(5).value,"Anupam Joshi");
}
@Test(groups={"rdf-schema-test"})
public void testModel()throws Exception{
assertTrue(RepositoryUtil.equals(expected, model));
}
RdfSchema getRdfSchema()throws Exception{
String json = "{\"baseUri\":\"http://lab.linkeddata.deri.ie/test#\",\"rootNodes\":[{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":false,\"expression\":\"value.urlify()\",\"columnName\":\"Name\",\"rdfTypes\":[{\"uri\":\"http://xmlns.com/foaf/0.1/Person\",\"curie\":\"foaf:Person\"}],\"links\":[{\"uri\":\"http://xmlns.com/foaf/0.1/name\",\"curie\":\"foaf:name\",\"target\":{\"nodeType\":\"cell-as-literal\",\"expression\":\"value\",\"isRowNumberCell\":false,\"columnName\":\"Name\"}},{\"uri\":\"http://xmlns.com/foaf/0.1/mbox\",\"curie\":\"foaf:mbox\",\"target\":{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":false,\"expression\":\"'mailto:' + value\",\"rdfTypes\":[],\"columnName\":\"Email\",\"links\":[]}},{\"uri\":\"officeNumber\",\"curie\":\":officeNumber\",\"target\":{\"nodeType\":\"cell-as-literal\",\"expression\":\"value\",\"isRowNumberCell\":false,\"valueType\":\"http://www.w3.org/2001/XMLSchema#int\",\"columnName\":\"Office\"}},{\"uri\":\"http://xmlns.com/foaf/0.1/member\",\"curie\":\"foaf:member\",\"target\":{\"nodeType\":\"resource\",\"value\":\"http://example.org/UMBC\",\"rdfTypes\":[{\"uri\":\"http://xmlns.com/foaf/0.1/Organization\",\"curie\":\"foaf:Organization\"}],\"links\":[{\"uri\":\"http://www.w3.org/2000/01/rdf-schema#label\",\"curie\":\"rdfs:label\",\"target\":{\"nodeType\":\"literal\",\"value\":\"University of Maryland Baltimore County\",\"lang\":\"en\"}}]}},{\"uri\":\"advisor\",\"curie\":\":advisor\",\"target\":{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":false,\"expression\":\"value.urlify()\",\"columnName\":\"Advisor\",\"rdfTypes\":[{\"uri\":\"Advisor\",\"curie\":\":Advisor\"}],\"links\":[{\"uri\":\"http://xmlns.com/foaf/0.1/name\",\"curie\":\"foaf:name\",\"target\":{\"nodeType\":\"cell-as-literal\",\"expression\":\"value\",\"isRowNumberCell\":false,\"columnName\":\"Advisor\"}}]}}]},{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":false,\"expression\":\"value.urlify()\",\"columnName\":\"Advisor\",\"rdfTypes\":[{\"uri\":\"Advisor\",\"curie\":\"Advisor\"}],\"links\":[{\"uri\":\"advise\", \"curie\":\"advise\",\"target\":{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":false,\"expression\":\"value.urlify()\",\"columnName\":\"Name\",\"rdfTypes\":[],\"links\":[{\"uri\":\"college\",\"curie\":\"college\",\"target\":{\"nodeType\":\"resource\", \"value\":\"http://example.org/ScienceCollege\", \"rdfTypes\":[], \"links\":[]}}]}}]}]}";
JSONObject o = ParsingUtilities.evaluateJsonStringToObject(json);
return RdfSchema.reconstruct(o);
}
Repository buildExpectedModel() throws Exception{
//see test2.xlsx and rdfschema2.png
Repository model = new SailRepository(new MemoryStore());
model.initialize();
RepositoryConnection con = null;
try{
con = model.getConnection();
ValueFactory vf = con.getValueFactory();
//create persons
URI person1 = addFoafPerson(vf, con, "http://lab.linkeddata.deri.ie/test#tim-finin", "Tim Finin", "finin@umbc.edu");
URI person2 = addFoafPerson(vf, con, "http://lab.linkeddata.deri.ie/test#lushan-han", "Lushan Han", "lushan@umbc.edu");
URI person3 = addFoafPerson(vf, con, "http://lab.linkeddata.deri.ie/test#wenjia-li", "Wenjia Li", "wenjia@umbc.edu");
//office numbers
URI officeNumberProp = vf.createURI("http://lab.linkeddata.deri.ie/test#officeNumber");
con.add(vf.createStatement(person1, officeNumberProp, vf.createLiteral(329)));
con.add(vf.createStatement(person2, officeNumberProp, vf.createLiteral(377)));
con.add(vf.createStatement(person3, officeNumberProp, vf.createLiteral(377)));
//advisor
URI advisor = vf.createURI("http://lab.linkeddata.deri.ie/test#anupam-joshi");
con.add(vf.createStatement(advisor, vf.createURI("http://xmlns.com/foaf/0.1/name"), vf.createLiteral("Anupam Joshi")));
URI advisorType = vf.createURI("http://lab.linkeddata.deri.ie/test#Advisor");
con.add(vf.createStatement(advisor, RDF.TYPE, advisorType));
con.add(vf.createStatement(person1, RDF.TYPE, advisorType));
//university
URI university = vf.createURI("http://example.org/UMBC");
con.add(vf.createStatement(university,RDF.TYPE, vf.createURI("http://xmlns.com/foaf/0.1/Organization")));
con.add(vf.createStatement(university,RDFS.LABEL,vf.createLiteral("University of Maryland Baltimore County","en")));
URI memberProp = vf.createURI("http://xmlns.com/foaf/0.1/member");
con.add(vf.createStatement(person1,memberProp,university));
con.add(vf.createStatement(person2,memberProp,university));
con.add(vf.createStatement(person3,memberProp,university));
//add advisor
URI advisorProp = vf.createURI("http://lab.linkeddata.deri.ie/test#advisor");
con.add(vf.createStatement(person2,advisorProp,person1));
con.add(vf.createStatement(person3,advisorProp,advisor));
//second root node data
URI adviseProp = vf.createURI("http://lab.linkeddata.deri.ie/test#advise");
con.add(vf.createStatement(person1, adviseProp, person2));
con.add(vf.createStatement(advisor, adviseProp, person3));
//
URI scienceCollege = vf.createURI("http://example.org/ScienceCollege");
URI collegeProp = vf.createURI("http://lab.linkeddata.deri.ie/test#college");
con.add(vf.createStatement(person2, collegeProp, scienceCollege));
con.add(vf.createStatement(person3, collegeProp, scienceCollege));
return model;
}finally{
con.close();
}
}
private URI addFoafPerson(ValueFactory vf,RepositoryConnection con,String uri,String name,String email)throws Exception{
URI person = vf.createURI(uri);
con.add(vf.createStatement(person, RDF.TYPE, vf.createURI("http://xmlns.com/foaf/0.1/Person")));
con.add(vf.createStatement(person,vf.createURI("http://xmlns.com/foaf/0.1/name"),vf.createLiteral(name)));
con.add(vf.createStatement(person,vf.createURI("http://xmlns.com/foaf/0.1/mbox"),vf.createURI("mailto:" + email)));
return person;
}
}