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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.vocab;
    19
    20  import org.apache.any23.util.StringUtils;
    21  import org.junit.Assert;
    22  import org.junit.Test;
    23  import org.eclipse.rdf4j.rio.RDFFormat;
    24  import org.slf4j.Logger;
    25  import org.slf4j.LoggerFactory;
    26
    27  import java.io.ByteArrayOutputStream;
    28  import java.io.PrintStream;
    29  import java.nio.charset.StandardCharsets;
    30
    31  /**
    32   * Test case for {@link RDFSchemaUtils}.
    33   *
    34   * @author Michele Mostarda (mostarda@fbk.eu)
    35   */
    36  public class RDFSchemaUtilsTest {
    37
    38      private static final Logger logger = LoggerFactory.getLogger(RDFSchemaUtilsTest.class);
    39
    40      /**
    41       * Test case for {@link RDFSchemaUtils#serializeVocabularies( org.eclipse.rdf4j.rio.RDFFormat, java.io.PrintStream)}
    42       * with <i>NTriples</i> format.
    43       */
    44      @Test
    45      public void testSerializeVocabulariesNTriples() {
    46          serializeVocabularies(RDFFormat.NTRIPLES, 2178);
    47      }
    48
    49      /**
    50       * Test case for {@link RDFSchemaUtils#serializeVocabularies( org.eclipse.rdf4j.rio.RDFFormat, java.io.PrintStream)}
    51       * with <i>RDFXML</i> format.
    52       */
    53      @Test
    54      public void testSerializeVocabulariesRDFXML() {
    55          serializeVocabularies(RDFFormat.RDFXML, 5709); // Effective lines + separators.
    56      }
    57
    58      private void serializeVocabularies(RDFFormat format, int expectedLines) {
    59          final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    60          try (PrintStream ps = new PrintStream(baos, true, StandardCharsets.UTF_8)) {
    61              RDFSchemaUtils.serializeVocabularies(format, ps);
    62          }
    63          final String output = baos.toString(StandardCharsets.UTF_8);
    64          logger.debug(output);
    65          final int occurrences = StringUtils.countOccurrences(output, "\n");
    66          Assert.assertEquals(expectedLines, occurrences);
    67      }
    68
    69  }