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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *  http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17
    18  package org.apache.any23.rdf;
    19
    20  import org.junit.Assert;
    21  import org.junit.Test;
    22  import org.eclipse.rdf4j.rio.RDFFormat;
    23
    24  import javax.xml.datatype.DatatypeConfigurationException;
    25  import java.io.ByteArrayOutputStream;
    26  import java.io.OutputStreamWriter;
    27  import java.io.UnsupportedEncodingException;
    28  import java.net.URISyntaxException;
    29  import java.nio.charset.StandardCharsets;
    30  import java.text.ParseException;
    31
    32  /**
    33   * Reference test class for {@link RDFUtils}.
    34   *
    35   * @author Michele Mostarda (mostarda@fbk.eu)
    36   * @author Davide Palmisano (palmisano@gmail.com)
    37   */
    38  public class RDFUtilsTest {
    39
    40      @Test
    41      public void testFixAbsoluteIRI() throws UnsupportedEncodingException, URISyntaxException {
    42          Assert.assertEquals("Error: passed IRIs are not the same.", "http://example.com/resource/the%20godfather",
    43                  RDFUtils.fixAbsoluteIRI("http://example.com/resource/the godfather"));
    44
    45          Assert.assertEquals("Error: passed IRIs are not the same.", "http://dbpedia.org/",
    46                  RDFUtils.fixAbsoluteIRI("http://dbpedia.org"));
    47      }
    48
    49      @Test
    50      public void testGetXSDDate() throws DatatypeConfigurationException, ParseException {
    51          Assert.assertEquals("1997-09-01T13:00:00.000Z", RDFUtils.getXSDDate("19970901T1300Z", "yyyyMMdd'T'HHmm'Z'"));
    52      }
    53
    54      /**
    55       * Tests the extension support.
    56       */
    57      @Test
    58      public void testGetRDFFormatByExtension() {
    59          Assert.assertEquals(RDFFormat.NTRIPLES, RDFUtils.getFormatByExtension("nt").get());
    60          Assert.assertEquals(RDFFormat.TURTLE, RDFUtils.getFormatByExtension("ttl").get());
    61          Assert.assertEquals(RDFFormat.NQUADS, RDFUtils.getFormatByExtension("nq").get());
    62          Assert.assertEquals(RDFFormat.NQUADS, RDFUtils.getFormatByExtension(".nq").get());
    63      }
    64
    65      /**
    66       * Tests the <code>NQuads</code> format support.
    67       */
    68      @Test
    69      public void testGetNQuadsFormat() {
    70          RDFUtils.getFormats().contains(RDFFormat.NQUADS);
    71      }
    72
    73      /**
    74       * Tests the <code>NQuads</code> parsing support.
    75       */
    76      @Test
    77      public void testGetNQuadsParser() {
    78          Assert.assertNotNull(RDFUtils.getParser(RDFFormat.NQUADS));
    79      }
    80
    81      /**
    82       * Tests the <code>NQuads</code> writing support.
    83       */
    84      @Test
    85      public void testGetNQuadsWriter() {
    86          Assert.assertNotNull(RDFUtils.getWriter(RDFFormat.NQUADS,
    87                  new OutputStreamWriter(new ByteArrayOutputStream(), StandardCharsets.UTF_8)));
    88      }
    89
    90  }