/**
* 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.query.text;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import java.io.Reader;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.jena.atlas.lib.StrUtils;
import org.apache.jena.query.* ;
import org.apache.jena.rdf.model.Model ;
import org.apache.jena.update.UpdateExecutionFactory;
import org.apache.jena.update.UpdateFactory;
import org.apache.jena.update.UpdateProcessor;
import org.apache.jena.update.UpdateRequest;
/*
* This abstract class defines a collection of test methods for testing
* test searches. Its subclasses create a dataset using the index to
* to be tested and then call the test methods in this class to run
* the actual tests.
*/
public abstract class AbstractTestDatasetWithTextIndexBase {
protected static final String RESOURCE_BASE = "http://example.org/data/resource/";
protected static final String QUERY_PROLOG =
StrUtils.strjoinNL(
"PREFIX text: <http://jena.apache.org/text#>",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>"
);
protected static final String TURTLE_PROLOG =
StrUtils.strjoinNL(
"@prefix text: <http://jena.apache.org/text#> .",
"@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> ."
);
protected Dataset dataset;
protected void doTestSearch(String turtle, String queryString, Set<String> expectedEntityURIs) {
doTestSearch("", turtle, queryString, expectedEntityURIs);
}
protected void doTestSearch(String label, String turtle, String queryString, Set<String> expectedEntityURIs) {
doTestSearch(label, turtle, queryString, expectedEntityURIs, expectedEntityURIs.size());
}
protected void doTestSearch(String label, String turtle, String queryString, Set<String> expectedEntityURIs, int expectedNumResults) {
loadData(turtle);
doTestQuery(dataset, label, queryString, expectedEntityURIs, expectedNumResults);
}
protected Map<String,Float> doTestSearchWithScores(String turtle, String queryString, Set<String> expectedEntityURIs) {
loadData(turtle);
return doTestQueryWithScores(queryString, expectedEntityURIs);
}
protected void doTestSearchNoResult(String turtle, String queryString) {
doTestSearchNoResult("", turtle, queryString);
}
protected void doTestSearchNoResult(String label, String turtle, String queryString) {
loadData(turtle);
doTestNoResult(dataset, label, queryString);
}
protected void loadData(String turtle) {
Model model = dataset.getDefaultModel();
Reader reader = new StringReader(turtle);
dataset.begin(ReadWrite.WRITE);
model.read(reader, "", "TURTLE");
dataset.commit();
}
public static void doTestQuery(Dataset dataset, String label, String queryString, Set<String> expectedEntityURIs, int expectedNumResults) {
Query query = QueryFactory.create(queryString) ;
dataset.begin(ReadWrite.READ);
try(QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
ResultSet rs = qexec.execSelect() ;
ResultSetRewindable results = ResultSetFactory.makeRewindable(rs) ;
// ResultSetFormatter.out(results);
// results.reset();
assertEquals(label, expectedNumResults > 0, results.hasNext());
int count;
for (count=0; results.hasNext(); count++) {
String entityURI = results.next().getResource("s").getURI();
assertTrue(label + ": unexpected result: " + entityURI, expectedEntityURIs.contains(entityURI));
}
assertEquals(label, expectedNumResults, count);
}
finally {
dataset.end() ;
}
}
protected Map<String,Float> doTestQueryWithScores(String queryString, Set<String> expectedEntityURIs) {
Map<String,Float> scores = new HashMap<>();
Query query = QueryFactory.create(queryString) ;
dataset.begin(ReadWrite.READ);
try(QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
ResultSet results = qexec.execSelect() ;
assertEquals(expectedEntityURIs.size() > 0, results.hasNext());
int count;
for (count=0; results.hasNext(); count++) {
QuerySolution soln = results.nextSolution();
String entityUri = soln.getResource("s").getURI();
assertTrue(expectedEntityURIs.contains(entityUri));
float score = soln.getLiteral("score").getFloat();
scores.put(entityUri, score);
}
assertEquals(expectedEntityURIs.size(), count);
}
finally {
dataset.end() ;
}
return scores;
}
public static void doTestNoResult(Dataset dataset, String label, String queryString) {
Query query = QueryFactory.create(queryString) ;
dataset.begin(ReadWrite.READ);
try(QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
ResultSet results = qexec.execSelect() ;
assertFalse(label, results.hasNext());
}
finally {
dataset.end() ;
}
}
protected void doUpdate(String updateString) {
dataset.begin(ReadWrite.WRITE);
UpdateRequest request = UpdateFactory.create(updateString);
UpdateProcessor proc = UpdateExecutionFactory.create(request, dataset);
proc.execute();
dataset.commit();
}
}