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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.mime.purifier;
    19
    20  import java.io.IOException;
    21  import java.io.BufferedInputStream;
    22  import java.io.InputStream;
    23  import java.nio.charset.StandardCharsets;
    24
    25  import org.apache.commons.io.IOUtils;
    26  import org.junit.After;
    27  import org.junit.Assert;
    28  import org.junit.Before;
    29  import org.junit.Test;
    30
    31  /**
    32   * Reference test case for {@link WhiteSpacesPurifier}.
    33   *
    34   * @author Davide Palmisano ( dpalmisano@gmail.com )
    35   */
    36  public class WhiteSpacesPurifierTest {
    37
    38      private Purifier purifier;
    39
    40      @Before
    41      public void setUp() {
    42          this.purifier = new WhiteSpacesPurifier();
    43      }
    44
    45      @After
    46      public void tearDown() {
    47          this.purifier = null;
    48      }
    49
    50      @Test
    51      public void testPurification() throws IOException {
    52          InputStream inputStream = new BufferedInputStream(
    53                  this.getClass().getResourceAsStream("/application/xhtml/blank-file-header.xhtml"));
    54          this.purifier.purify(inputStream);
    55          Assert.assertNotNull(inputStream);
    56          Assert.assertTrue(validatePurification(IOUtils.toString(inputStream, StandardCharsets.UTF_8)));
    57
    58      }
    59
    60      /**
    61       * Checks if a {@link String} starts with a propert character.
    62       *
    63       * @param string
    64       *
    65       * @return
    66       */
    67      private boolean validatePurification(String string) {
    68          char firstChar = string.charAt(0);
    69          return (firstChar != '\t') && (firstChar != '\n') && (firstChar != ' ');
    70      }
    71
    72  }