Package com.google.refine.tests.rdf

Source Code of com.google.refine.tests.rdf.RdfSchemaTest

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package com.google.refine.tests.rdf;

import java.util.ArrayList;
import java.util.List;

import org.json.JSONObject;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

import static org.testng.Assert.*;

import com.google.refine.util.ParsingUtilities;
import com.google.refine.rdf.CellLiteralNode;
import com.google.refine.rdf.CellResourceNode;
import com.google.refine.rdf.Link;
import com.google.refine.rdf.Node;
import com.google.refine.rdf.RdfSchema;
import com.google.refine.rdf.ResourceNode;
import com.google.refine.rdf.ResourceNode.RdfType;

public class RdfSchemaTest {

  private RdfSchema schema;
  private CellResourceNode root;
 
  @BeforeClass
  public void init()throws Exception{
    //see image in docs for the schema
    //String json = "{\"baseUri\":\"http://data.bis.gov.uk/data/organogram/2010-08-26/\",\"rootNodes\":[{\"nodeType\":\"cell-as-resource\",\"expression\":\"'http://reference.data.gov.uk/id/department/bis/post/' + value\",\"columnName\":\"Post unique reference\",\"rdfTypes\":[{\"uri\":\"http://reference.data.gov.uk/def/central-government/CivilServicePost\",\"curie\":\"gov:CivilServicePost\"}],\"links\":[{\"uri\":\"http://reference.data.gov.uk/def/central-government/heldBy\",\"curie\":\"http://reference.data.gov.uk/def/central-government/heldBy\",\"target\":{\"nodeType\":\"cell-as-resource\",\"columnIndex\":-1,\"expression\":\"('#person' + value).urlify(baseURI)\",\"isRowNumberCell\":true,\"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\",\"columnIndex\":2,\"valueType\":\"untyped\",\"columnName\":\"Name\"}},{\"uri\":\"http://xmlns.com/foaf/0.1/mbox\",\"curie\":\"foaf:mbox\",\"target\":{\"nodeType\":\"cell-as-resource\",\"columnIndex\":12,\"expression\":\"'mailto:' + value\",\"isRowNumberCell\":false,\"columnName\":\"Contact e-mail\",\"rdfTypes\":[],\"links\":[]}}]}},{\"uri\":\"http://www.w3.org/2000/01/rdf-schema#label\",\"curie\":\"rdfs:label\",\"target\":{\"nodeType\":\"cell-as-literal\",\"columnIndex\":5,\"valueType\":\"untyped\",\"lang\":\"en\",\"columnName\":\"Job Title\"}},{\"uri\":\"http://reference.data.gov.uk/def/central-government/postIn\",\"curie\":\"http://reference.data.gov.uk/def/central-government/postIn\",\"target\":{\"nodeType\":\"cell-as-resource\",\"columnIndex\":10,\"expression\":\"value.urlify(baseURI)\",\"isRowNumberCell\":false,\"columnName\":\"Unit\",\"rdfTypes\":[],\"links\":[{\"uri\":\"http://reference.data.gov.uk/def/central-government/hasPost\",\"curie\":\"http://reference.data.gov.uk/def/central-government/hasPost\",\"target\":{\"nodeType\":\"cell-as-resource\",\"columnIndex\":0,\"expression\":\"'http://reference.data.gov.uk/id/department/bis/post/' + value\",\"isRowNumberCell\":false,\"columnName\":\"Post unique reference\",\"rdfTypes\":[],\"links\":[]}}]}}]}]}";
    String json = "{\"baseUri\":\"http://data.bis.gov.uk/data/organogram/2010-08-26/\",\"rootNodes\":[{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":false,\"expression\":\"'http://reference.data.gov.uk/id/department/bis/post/' + value\",\"columnName\":\"Post unique reference\",\"rdfTypes\":[{\"uri\":\"http://reference.data.gov.uk/def/central-government/CivilServicePost\",\"curie\":\"gov:CivilServicePost\"}],\"links\":[{\"uri\":\"http://reference.data.gov.uk/def/central-government/heldBy\",\"curie\":\"http://reference.data.gov.uk/def/central-government/heldBy\",\"target\":{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":true,\"expression\":\"('#person' + value).urlify()\",\"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\",\"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\",\"columnName\":\"Contact e-mail\",\"rdfTypes\":[],\"links\":[]}}]}},{\"uri\":\"http://www.w3.org/2000/01/rdf-schema#label\",\"curie\":\"rdfs:label\",\"target\":{\"nodeType\":\"cell-as-literal\",\"isRowNumberCell\":false,\"lang\":\"en\",\"columnName\":\"Job Title\"}},{\"uri\":\"http://reference.data.gov.uk/def/central-government/postIn\",\"curie\":\"http://reference.data.gov.uk/def/central-government/postIn\",\"target\":{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":false,\"expression\":\"value.urlify()\",\"columnName\":\"Unit\",\"rdfTypes\":[],\"links\":[{\"uri\":\"http://reference.data.gov.uk/def/central-government/hasPost\",\"curie\":\"http://reference.data.gov.uk/def/central-government/hasPost\",\"target\":{\"nodeType\":\"cell-as-resource\",\"isRowNumberCell\":false,\"expression\":\"'http://reference.data.gov.uk/id/department/bis/post/' + value\",\"columnName\":\"Post unique reference\",\"rdfTypes\":[],\"links\":[]}}]}}]}]}";
    JSONObject o = ParsingUtilities.evaluateJsonStringToObject(json);
    schema = RdfSchema.reconstruct(o);
    root = (CellResourceNode)schema.getRoots().get(0);
  }
 
  @Test(groups={"rdf-schema-test"})
  public void testRootNodes(){
    assertNotNull(root);
    assertEquals(root.getLinkCount(),3);
    assertEquals(root.getTypes().size(), 1);
    assertEquals(root.getUriExpression(),"'http://reference.data.gov.uk/id/department/bis/post/' + value");
  }
 
  @Test(groups={"rdf-schema-test"})
  public void testJobTitleLiteral(){
    Node jobTitleNode = getLink(root, "http://www.w3.org/2000/01/rdf-schema#label");
    assertNotNull(jobTitleNode);
    assertTrue(jobTitleNode instanceof CellLiteralNode);
    CellLiteralNode jobTitle = (CellLiteralNode)jobTitleNode;
    //test language
    assertEquals(jobTitle.getLang(),"en");
    //test type: null stands for "untyped"
    assertNull(jobTitle.getValueType());
    //test column name
    assertEquals(jobTitle.getColumnName(), "Job Title");
  }
 
  @Test(groups={"rdf-schema-test"})
  public void testRowNumberCell(){
    Node rowNumberNode = getLink(root,"http://reference.data.gov.uk/def/central-government/heldBy");
    assertNotNull(rowNumberNode);
    assertTrue(rowNumberNode instanceof CellResourceNode );
    CellResourceNode rowNumber = (CellResourceNode) rowNumberNode;
    //test URI expression
    assertEquals(rowNumber.getUriExpression(),"('#person' + value).urlify()");
    //test column name
    assertNull(rowNumber.getColumnName());
    testLinks(rowNumber, "http://xmlns.com/foaf/0.1/name","http://xmlns.com/foaf/0.1/mbox");
    testRdfTypes(rowNumber, "http://xmlns.com/foaf/0.1/Person");
  }
 
  @Test(groups={"rdf-schema-test"})
  public void testNameCell(){
    CellResourceNode rowNumber = (CellResourceNode)getLink(root,"http://reference.data.gov.uk/def/central-government/heldBy");
    Node nameNode = getLink(rowNumber, "http://xmlns.com/foaf/0.1/name");
    assertTrue(nameNode instanceof CellLiteralNode );
    CellLiteralNode name = (CellLiteralNode) nameNode;
    assertNull(name.getLang());
    assertEquals(name.getColumnName(), "Name");
    assertNull(name.getValueType());   
  }
 
  @Test(groups={"rdf-schema-test"})
  public void testEmailCell(){
    CellResourceNode rowNumber = (CellResourceNode)getLink(root,"http://reference.data.gov.uk/def/central-government/heldBy");
    Node emailNode = getLink(rowNumber, "http://xmlns.com/foaf/0.1/mbox");
    assertTrue(emailNode instanceof CellResourceNode);
    CellResourceNode email = (CellResourceNode) emailNode;
   
    assertEquals(email.getUriExpression(), "'mailto:' + value");
    testLinks(email);
    testRdfTypes(email);
  }
 
  @Test(groups={"rdf-schema-test"})
  public void testInverseProperty(){
    CellResourceNode n1 = (CellResourceNode)getLink(root,"http://reference.data.gov.uk/def/central-government/postIn");
    CellResourceNode n2 = (CellResourceNode)getLink(n1,"http://reference.data.gov.uk/def/central-government/hasPost");
    assertEquals(n2.getUriExpression(),"'http://reference.data.gov.uk/id/department/bis/post/' + value");
    assertEquals(n2.getColumnName(), "Post unique reference");
    testLinks(n2);
    testRdfTypes(n2);
  }
 
  protected Node getLink(ResourceNode resource, String propertyUri){
    for(Link link:resource.getLinks()){
      if(link.propertyUri.equals(propertyUri)){
        return link.target;
      }
    }
    return null;
  }
 
  void testLinks(ResourceNode node, String... expectedPropertiesUris){
    assertEquals(node.getLinkCount(), expectedPropertiesUris.length);
    List<String> actuals = new ArrayList<String>();
    for(Link link:node.getLinks()){
      actuals.add(link.propertyUri);
    }
    for(int i=0;i<expectedPropertiesUris.length;i++){
      String prop = expectedPropertiesUris[i];
      assertTrue(actuals.remove(prop));
    }
    assertTrue(actuals.isEmpty());
  }
 
  void testRdfTypes(ResourceNode node, String... expectedTypesUris){
    assertEquals(node.getTypes().size(), expectedTypesUris.length);
    List<String> actuals = new ArrayList<String>();
    for(RdfType type:node.getTypes()){
      actuals.add(type.getUri());
    }
    for(int i=0;i<expectedTypesUris.length;i++){
      assertTrue(actuals.remove(expectedTypesUris[i]));
    }
    assertTrue(actuals.isEmpty());
  }
}
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Related Classes of com.google.refine.tests.rdf.RdfSchemaTest

  • com.google.refine.rdf.CellLiteralNode
  • com.google.refine.rdf.CellResourceNode
  • com.google.refine.rdf.Node
  • org.json.JSONObject
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