| /* |
| * 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.sparql.graph; |
| |
| import java.util.ArrayList ; |
| import java.util.Arrays ; |
| import java.util.Collection ; |
| import java.util.List ; |
| |
| import org.apache.jena.atlas.lib.Creator ; |
| import org.apache.jena.query.* ; |
| import org.apache.jena.sparql.core.DatasetGraph ; |
| import org.apache.jena.update.UpdateExecutionFactory ; |
| import org.apache.jena.update.UpdateFactory ; |
| import org.apache.jena.update.UpdateProcessor ; |
| import org.apache.jena.update.UpdateRequest ; |
| import org.junit.Assert ; |
| import org.junit.Before ; |
| import org.junit.Test ; |
| import org.junit.runner.RunWith ; |
| import org.junit.runners.Parameterized ; |
| import org.junit.runners.Parameterized.Parameters ; |
| |
| @RunWith(Parameterized.class) |
| public class TestDatasets { |
| @Parameters(name = "{index}: {0}") |
| public static Collection<Object[]> data() { |
| Creator<Dataset> datasetGeneralMaker = ()-> DatasetFactory.createGeneral() ; |
| Creator<Dataset> datasetTxnMemMaker = ()-> DatasetFactory.createTxnMem() ; |
| return Arrays.asList(new Object[][] { { "General", datasetGeneralMaker }, |
| { "TxnMem", datasetTxnMemMaker} }); |
| } |
| |
| private static final String data = "INSERT DATA { <ex:default> <ex:default> <ex:default>.\n" |
| + "GRAPH <ex:from> { <ex:from> <ex:from> <ex:from> }\n" |
| + "GRAPH <ex:named> { <ex:named> <ex:named> <ex:named> }\n" |
| + "GRAPH <ex:other> { <ex:other> <ex:other> <ex:other> }\n" |
| + "}"; |
| |
| private final Creator<Dataset> maker; |
| private final Dataset ds; |
| private final DatasetGraph dsg; |
| |
| public TestDatasets(String name, Creator<Dataset> maker) { |
| this.maker = maker ; |
| this.ds = maker.create() ; |
| this.dsg = ds.asDatasetGraph() ; |
| } |
| |
| @Before |
| public void setup() { |
| UpdateRequest up = UpdateFactory.create(TestDatasets.data); |
| UpdateProcessor processor = UpdateExecutionFactory.create(up, this.dsg); |
| processor.execute(); |
| } |
| |
| private void test(String query, String[] expected, int expectedCount) { |
| //Parse the query |
| Query q = QueryFactory.create(query); |
| |
| //Then execute the query |
| QueryExecution exec = QueryExecutionFactory.create(q, ds); |
| |
| ResultSet results = exec.execSelect(); |
| List<String> found = new ArrayList<>(); |
| int count = 0; |
| while (results.hasNext()) { |
| count++; |
| QuerySolution sln = results.next(); |
| found.add(sln.get("s").toString()); |
| } |
| |
| boolean dumped = false; |
| if (expectedCount != count) { |
| //If incorrect dump output for debugging |
| System.out.println(query); |
| dump(expectedCount, count, expected, found); |
| dumped = true; |
| } |
| Assert.assertEquals(expectedCount, count); |
| for (String e : expected) { |
| if (!found.contains(e)) { |
| if (!dumped) { |
| System.out.println(query); |
| dump(expectedCount, count, expected, found); |
| dumped = true; |
| } |
| Assert.fail("Did not find expected result " + e); |
| } |
| } |
| } |
| |
| private void dump(int expectedCount, int actualCount, String[] expected, List<String> actual) { |
| if (expectedCount != actualCount) { |
| System.out.println("Got incorrect number of results, expected " + expectedCount + " but got " + actualCount); |
| } else { |
| System.out.println("Did not find an expected result"); |
| } |
| System.out.print("Expected: "); |
| for (String e : expected) { |
| System.out.print(e + " "); |
| } |
| System.out.println(); |
| System.out.print("Actual: "); |
| for (String a : actual) { |
| System.out.print(a + " "); |
| } |
| System.out.println(); |
| } |
| |
| /* |
| * This block of tests are for the case where we have all of FROM, FROM NAMED and GRAPH clause present |
| */ |
| |
| @Test |
| public void from_and_named_and_graph_uri_exists() { |
| //FROM |
| //FROM NAMED |
| //GRAPH clause with URI of an existing graph which is in the FROM NAMED list |
| |
| //Yields triples from <ex:named> |
| test("SELECT * FROM <ex:from> FROM NAMED <ex:named> { GRAPH <ex:named> { ?s ?p ?o } }", new String[] { "ex:named" }, 1); |
| } |
| |
| @Test |
| public void from_and_named_and_graph_uri_exists_not_in_list() { |
| //FROM |
| //FROM NAMED |
| //GRAPH clause with URI of an existing graph which is NOT in the FROM NAMED list |
| |
| //Yields no triples, tries to access a named graph not in the named graph list |
| test("SELECT * FROM <ex:from> FROM NAMED <ex:named> { GRAPH <ex:other> { ?s ?p ?o } }", new String[] { }, 0); |
| } |
| |
| @Test |
| public void from_and_named_and_graph_uri_missing() { |
| //FROM |
| //FROM NAMED |
| //GRAPH clause with URI of an existing graph which is in the FROM NAMED list |
| |
| //Yields no triples |
| test("SELECT * FROM <ex:from> FROM NAMED <ex:named> { GRAPH <ex:missing> { ?s ?p ?o } }", new String[] { }, 0); |
| } |
| |
| @Test |
| public void from_and_named_and_graph_var() { |
| //FROM |
| //FROM NAMED |
| //GRAPH clause with variable |
| |
| //Yields triples from <ex:named> |
| test("SELECT * FROM <ex:from> FROM NAMED <ex:named> { GRAPH ?g { ?s ?p ?o } }", new String[] { "ex:named" }, 1); |
| } |
| |
| @Test |
| public void from_and_named_and_graphs_var() { |
| //FROM |
| //FROM NAMED |
| //GRAPH clause with variable |
| |
| //Yields triples from <ex:named> |
| test("SELECT * FROM <ex:from> FROM NAMED <ex:named> FROM NAMED <ex:other> { GRAPH ?g { ?s ?p ?o } }", new String[] { "ex:named", "ex:other" }, 2); |
| } |
| |
| /* |
| * This block of tests are for the case where we have FROM and a GRAPH clause present |
| */ |
| |
| @Test |
| public void from_and_graph_uri_exists() { |
| //FROM |
| //No FROM NAMED |
| //GRAPH clause with URI of an existing graph |
| |
| //Yields no triples |
| test("SELECT * FROM <ex:from> { GRAPH <ex:named> { ?s ?p ?o } }", new String[] { }, 0); |
| } |
| |
| @Test |
| public void from_and_graph_uri_missing() { |
| //FROM |
| //No FROM NAMED |
| //GRAPH clause with URI of an existing graph |
| |
| //Yields no triples |
| test("SELECT * FROM <ex:from> { GRAPH <ex:missing> { ?s ?p ?o } }", new String[] { }, 0); |
| } |
| |
| @Test |
| public void from_and_graph_var() { |
| //FROM |
| //No FROM NAMED |
| //GRAPH clause with variable |
| |
| //Yields no triples |
| test("SELECT * FROM <ex:from> { GRAPH ?g { ?s ?p ?o } }", new String[] { }, 0); |
| } |
| |
| /** |
| * This block of tests are for the case where we have FROM NAMED and a GRAPH clause |
| */ |
| |
| @Test |
| public void named_graph_var() { |
| //No FROM |
| //FROM NAMED |
| //GRAPH clause with variable |
| |
| //Yields triples in <ex:named> |
| test("SELECT * FROM NAMED <ex:named> WHERE { GRAPH ?g { ?s ?p ?o } }", new String[] { "ex:named" }, 1); |
| } |
| |
| @Test |
| public void named_graphs_var() { |
| //No FROM |
| //FROM NAMED |
| //GRAPH clause with variable |
| |
| //Yields triples in <ex:named> and <ex:other> |
| test("SELECT * FROM NAMED <ex:named> FROM NAMED <ex:other> WHERE { GRAPH ?g { ?s ?p ?o } }", new String[] { "ex:named", "ex:other" }, 2); |
| } |
| |
| @Test |
| public void named_graph_uri_exists() { |
| //No FROM |
| //FROM NAMED |
| //GRAPH clause with URI of existing graph |
| |
| //Yields triples in <ex:named> |
| test("SELECT * FROM NAMED <ex:named> WHERE { GRAPH <ex:named> { ?s ?p ?o } }", new String[] { "ex:named" }, 1); |
| } |
| |
| @Test |
| public void named_graph_uri_missing() { |
| //No FROM |
| //FROM NAMED |
| //GRAPH clause with URI of non-existent graph |
| |
| //Yields triples in <ex:named> |
| test("SELECT * FROM NAMED <ex:named> WHERE { GRAPH <ex:missing> { ?s ?p ?o } }", new String[] { }, 0); |
| } |
| |
| /** |
| * This block of tests are for the case where we have a FROM only |
| */ |
| |
| @Test |
| public void from() { |
| //FROM |
| //No FROM NAMED |
| //No GRAPH clause |
| |
| //Yields triples from <ex:from> |
| test("SELECT * FROM <ex:from> WHERE { ?s ?p ?o }", new String[] { "ex:from" }, 1); |
| } |
| |
| /** |
| * This block of tests are for the cases where we only have a GRAPH clause |
| */ |
| |
| @Test |
| public void graph_var() { |
| //No FROM |
| //No FROM NAMED |
| //GRAPH clause with variable |
| |
| //Yields triples in all named graphs |
| test("SELECT * WHERE { GRAPH ?g { ?s ?p ?o } }", new String[] { "ex:from", "ex:named", "ex:other" }, 3); |
| } |
| |
| @Test |
| public void graph_uri_exists() { |
| //No FROM |
| //No FROM NAMED |
| //GRAPH clause with URI of an existing graph |
| |
| //Yields triples in the specific named graph |
| test("SELECT * WHERE { GRAPH <ex:named> { ?s ?p ?o } }", new String[] { "ex:named" }, 1); |
| } |
| |
| @Test |
| public void graph_uri_missing() { |
| //No FROM |
| //No FROM NAMED |
| //GRAPH clause with URI of a non-existent graph |
| |
| //Yields no triples |
| test("SELECT * WHERE { GRAPH <ex:missing> { ?s ?p ?o } }", new String[] { }, 0); |
| } |
| |
| /** |
| * Tests where we have no explicit dataset definition of any kind |
| */ |
| |
| @Test |
| public void no_dataset() { |
| //No FROM |
| //No FROM NAMED |
| //No GRAPH clause |
| |
| //Yields only triples in the default graph |
| test("SELECT * WHERE { ?s ?p ?o }", new String[] { "ex:default" }, 1); |
| } |
| } |