/*
    * 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.any23.extractor.csv;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  import java.io.BufferedInputStream;
  import java.io.IOException;
  
  /**
   * Test case for {@link CSVReaderBuilder}.
   *
   * @author Michele Mostarda (mostarda@fbk.eu)
   */
  public class CSVReaderBuilderTest {
  
      /**
       * Tests positive CSV detection.
       *
       * @throws IOException
       *             if there is an error interpreting the input data
       */
      @Test
      public void testPositiveCSVDetection() throws IOException {
          Assert.assertTrue("Builder cannot detect CVS stream.",
                  CSVReaderBuilder.isCSV(new BufferedInputStream(this.getClass().getResourceAsStream("test-comma.csv"))));
          Assert.assertTrue("Builder cannot detect CVS stream.", CSVReaderBuilder
                  .isCSV(new BufferedInputStream(this.getClass().getResourceAsStream("test-semicolon.csv"))));
          Assert.assertTrue("Builder cannot detect CVS stream.",
                  CSVReaderBuilder.isCSV(new BufferedInputStream(this.getClass().getResourceAsStream("test-tab.csv"))));
      }
  
      /**
       * Tests negative CSV detection.
       *
       * @throws IOException
       *             if there is an error interpreting the input data
       */
      @Test
      public void testNegativeCSVDetection() throws IOException {
          Assert.assertFalse("Wrong CSV detection.", CSVReaderBuilder
                  .isCSV(new BufferedInputStream(this.getClass().getResourceAsStream("/application/nquads/test1.nq"))));
          Assert.assertFalse("Wrong CSV detection.", CSVReaderBuilder
                  .isCSV(new BufferedInputStream(this.getClass().getResourceAsStream("/application/nquads/test2.nq"))));
          Assert.assertFalse("Wrong CSV detection.", CSVReaderBuilder.isCSV(new BufferedInputStream(
                  this.getClass().getResourceAsStream("/org/apache/any23/extractor/rdf/example-ntriples.nt"))));
      }
  
  }